Breakthrough paves way for mass-production of ultra-efficient perovskite solar

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Breakthrough paves way for mass-production of ultra-efficient perovskite solar
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20 окт 2024

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Комментарии : 210

@dzcav3 Год назад

This is good news IF and WHEN these panels are made by an established manufacturer, and they perform well, last long, and are price competitive. At this point, all we have are scientific papers and a Chinese start-up. In other words, this is several years in the futures if at all. These types of announcements come out about every day, and 99+% of them never amount to anything.

@teklife Год назад

exactly, i'm still waiting for tech that i saw on the covers of popular science magazines back in the 1970s to make it to market

@bertiesworld Год назад

Damn, I was thinking about asking for a refund on the panels that I've just had installed. But if these are years in the future. I'll pass.

@pstanyer1 Год назад

I ve been following this for a few years and its not that hard to make so I fully expect the chinese to be on this very soon. It wont be as cheap as they say but will be a quarter of the cost of normal solar. So thats four panels for the price of one. So a 10k system will be 2500 and will be 5% more efficent in real world trials. But dont believe all the hype Ive tested 2 boards so far both produced more power than silicon, but not the 30+% in the lab.

@solarpowered3364 Год назад

@roro4787you should go read some old popular science magazines. They are great for a good laugh at what we thought the future would be like. It's fun to see the stuff they got right and what they got wrong, and oh boy they got a lot wrong

@rogerdc7279 Год назад

Very interesting, thank you Sam. If this will pan out, it will be very important. I have a sugestion - When you base what you say in published studies, it would be good if you would post the link (s) to those publications.

@kangab1387 Год назад

Sam, I don’t know how you do it, but is 5am and you still post videos. I don’t know of any more RU-vidrs who put on this much effort. Thank you

@MrGMawson2438 Год назад

I don't want Sam to burn out, but he could doing this allthe time

@kangab1387 Год назад

@@MrGMawson2438 he is a man of incredible conviction. One of few. I am sure he can achieve anything. I don’t think he will burn out. Too passionate about this

@rendezone Год назад

The obvious answer is: he is a Viking Vampire

@justinklenk Год назад

Ditto! Impressive output, more than anyone I'm aware of. 👍

@francisdebriey3609 Год назад

When you have a passion you don't count...

@gregkral4467 Год назад

Interesting, will be interesting to see how they perform. Thanks for sharing with us. Every now and then I do get some good recommendations.

@frankcoffey Год назад

Everyone all over the world are working on solar, batteries, and solar. It's a very exciting time and even those of us that can see the future will be amazed.

@jasongooden917 Год назад

Imagine in the future they say, We found a miracle chemical for solar panels. We call it chlorophyll. 😂

@dinozaurpickupline4221 Год назад

Lol a hybrid design could actually work but I heard chlorophyll is not as efficient as the current panels I get you're wanting to convert stored chemical potential energy directly into electricity that gets stored as chemical back again but I don't understand the efficiency of this

@Mulberrysmile Год назад

@@dinozaurpickupline4221you can play with it. I took some green leaves and blended them, then ran through a filter to remove the leaf matter. I striped some wires bare and ran them around a sandwich container, leaving leads hanging out. Added my green water and started measuring voltages. It did create very low voltages, but this was a terribly crude set up. When chlorophyll is exposed to light, it breaks water into hyd and oxy, and creates ions that are the electric charge. Leaves need a supply of fresh water to keep the chemical reaction going. In fall, deciduous plants cut off the water supply, which causes the chlorophyll reaction to stop after utilizing the available water. The chlorophyll can’t refresh, so the green disappears, and you see the color of the leaf without the added green. Fall leaf peeping time. The issues are that water freezes. Is there a chemical that won’t react to the chlorophyll and will act as an antifreeze? Is it efficient enough to self power a heater, and to what temperature? There needs to be circulation of the water and supply of water. Can it power it’s own circulation pump? As with other solar, there is a limit to useful bandwidths of light,b which means you still need a large surface area. A benefit is that the process produces oxygen and hydrogen, which could be collected as useful gases, but it requires a BIG industrial solar field to get amounts worth collecting. Conversely, the gases can be allowed to reform into water, reducing the supply requirements. Another benefit is that chlorophyll is renewable and could be collected from waste streams of plant refuse. I believe I saw that they were experimenting with this in Germany.

@kennedy6971 Год назад

That day is coming. And panels will have the ability to repair themselves

@HamguyBacon Год назад

there already is such a material, you can paint your house white and generate electricity.

@erdelyibiohacker Год назад

I loved 🎉🎉 thanks for your work, I am so grateful that I am in the only one biggest community solar power program 💪💪🌞. I make money with solar energy and I do something good for the environment, and when I hear this good news I know that I am in the right place ❤. Thanks for the work what you do 😊

@mortimersnead5821 Год назад

I've been waiting for perovskites longer than Linus has been waiting for the Great Pumpkin. But the promise of perovskites is that with the right formula, instead of melting silicon in an ultra clean vacuum chamber, you could print solar panels in a roll to roll process, similar to printing newspapers, and for not a lot more money. May I live to see the deserts of Australia carpeted with perovskites.

@wesbaumguardner8829 Год назад

That would be just great for all of those desert critters.

@markae0 Год назад

@@wesbaumguardner8829 F them snakes. They are wasting the sunlight.

@mortimersnead5821 Год назад

I don't mean the whole island. A tiny fraction would be ample.

@skiinggator Год назад

The key to PV is affordability. Get those initial costs way down, and everyone will have them on their roofs.

@OneMinuteGardener Год назад

Whilst I am no expert, I once carefully followed the progress of perovskite solar. My understanding (and I could be wrong ) is a dual layer cell will have a partially transparent perovskite solar cell layered on top of a silicone cell. The perovskite works under low light and lets some light through it, that is then captured by the silicone cell. So the panels will be more expensive , but not much more as perovskite is cheap and the perovskite cell/layer will deteriorate rapidly, but the silcone wont, so for about 5-10 years you will get a super efficient panel and then it will degrade, but on a better curve than a silicone only panel overall. Thats what I am guessing. I dont think the panels will be cheaper as they will be dual layer. But if they figure out how to make perovskite last, then potentially it will be way cheaper in a single layer on its own. But that all depends on what they need to add to perovskite to make it last

@dinozaurpickupline4221 Год назад

The cell also converts light to electricity more efficiently

@alexlindekugel8727 Год назад

the kite used to last just a few seconds when exposed to light and by ajusting the chemical mix they have goten it to last over a day. its posible as they tweak blends that can get it to last much longer. but how long to get it to a stable state i dk. sounds like kite dosent realy want to exsist and extreamly unstable so really dk how that would be fixed. i think if they figure it out the cost per watt would drop like a stone. add ten percent efficency to a panals so go 20 to 30 percent same size panal. plus more production in less ideal weather. but will it handle the real wourld?

@nickkacures2304 Год назад

😊SAM😊 yes Perovskites are the future and tandem perovskites could provide 20 plus miles average of range daily through the full year most people drive less than 30 miles a day

@lassewestvanghougaard4856 Год назад

The #1 limit to solar panels are heat. If the solar panel can’t handle the heat from the higher efficiency boost, it will break the solar panel longevity. They have to create a durable solar panel that can handle higher temperatures before we see better solar panels. We already see half-cell and shingles solar panels improving solar output with cloudy days and partial shading. And we see higher output using bifacial solar panels.

@bobwallace9753 Год назад

Heat is not the damaging factor for solar. High UV exposure and wind/snow loading create the most degradation. Heat can lower the output, solar panels really zoom on cold clear days.

@mnhsty Год назад

All else being equal, shouldn't higher conversion to electricity mean less absorption and heat? I'm thinking 100% conversion would mean no heat at all.

@bobwallace9753 Год назад

@@mnhsty Yes. What energy that is not converted to electricity is converted to heat.

@bobwallace9753 Год назад

@@mnhsty Let me modify my comment a bit. Some of the incoming sunshine might be reflected back out into space. A dark panel is going to have fairly low albedo but there will be some reflection. However some of that reflected light will be intercepted by molecules such as 'soot' in the atmosphere, absorbed, and emitted as heat.

@eyesuckle Год назад

@@mnhsty Good point.

@slateslavens Год назад

The problem with perovskites hasn't really been efficiency. It's _longevity._ They just degrade too fast. It's nice that the price is coming down, but the bulk of the costs of PV installations is the labor. I don't see that replacing cheaper perovskite panels more frequently is going to displace conventional panels any time soon. The breakthrough we need is _longer-lasting_ perovskite panels.

@manofsan Год назад

maybe some new formula will come out that is more stable and lasts longer. Can happen, you never know.

@slateslavens Год назад

@@manofsan I know it's being worked on - Just Have A Think has and Undecided With Matt Ferrell have covered them over the last few years

@manofsan Год назад

@@slateslavens - yes, I watch their channels too, along with this one

@CC-yr2nx Год назад

Something similar was sent to the ISS recently and they discovered that it did not degrade in space but degraded fairly fast at ground level. They think that the atmosphere is likely the culprit. In the vacuum of space it is fine so... you need to seal it airtight and vacuumed and that is a very big problem long term for anything manufactured. Research is still ongoing!

@cbmusgrave Год назад

The major degradation pathway for the best materials is dissolution in water, so you need to keep any moisture, including from humidity, away from the perovskite.

@QUADBOYification Год назад

Wonder materials are always right around the corner, right? Some stuff has to be digg up to be used as a solar panel. What if a polymer is capable of dong the same at only 10% efficiency, will it be called a miracle material? Probably not. But if polymers are getting these properties they can be woven to large areas and attached to any surface like paint or a foil. Way better outdoor properties and probably waterproof. See-through stuff is what is needed in commercial high-rise buildings.

@DennisMathias Год назад

Can I ask why you show solar reflectors instead of solar panels at ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-6E6cmcqzAsw.html? Solar PVs are always in line while thermal reflectors in in an arc or circle. Misleading. And again at ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-6E6cmcqzAsw.html The problem with most of the companies bragging about >30% efficiency is they are very reticent to sample out their product. i.e., no one can test them to confirm. This will hurt them in the long run.

@briank.5173 Год назад

Solar windows and solar paint are interesting (to me)

@erictuffelmire6826 Год назад

Perovskite uses lead and other toxic metals and has a very short lifespan. Efficiency also isn't the problem, cost is.

@danmoyer4650 Год назад

Please provide proof of this claim. I just did a lot of reading on Perovskite in Wikipedia and other sources. Not one of them mentioned "lead" or "toxic".

@mb-3faze Год назад

@@danmoyer4650 Gosh, you didn't check very hard...'lead' is literally in the first sentence in the wikipedia page : en.wikipedia.org/wiki/Perovskite_solar_cell

@danparish1344 Год назад

The Wikipedia page has a whole section “toxicity” as well. I feel second hand embarrassment from the first reply.

@cbmusgrave Год назад

@@mb-3faze Notice that the article says "lead or tin", so lead not absolutely necessary. However, the first good perovskite solar absorber was CsPbI3, so researchers all piled on to this material and similar variants, e.g., where they alloyed tin or other "B-site" cations with lead. I have reported over 50,000 perovskites, most not containing lead and none that would probably make good light absorbers for photovoltaics. My car batteries contain a heck of a lot more lead than a solar panel, yet it and over 100 billion other lead acid batteries have been driven around the world attached to the front ends of vehicles over the last 100 years and somehow the world survived.Also note, lead acid batteries are the most recycled consumer product (99.3% in the US).

@mb-3faze Год назад

@@cbmusgrave It's the push to get perovskite PV out that is misguided. The tin halide based technology is way behind. All the commercialization push is for the lead-based perovskite. Sure there's lead in car batteries but it's well contained in a protective box and secondly there is a vast recycling system set up to keep it out of the environment. With PV it's going to be a nightmare. The lead is not in a big lump or even in some sulfide solution, it's going to be incredibly hard to extract the toxins from potentially useful silicon. This so smacks of the rush to get lead into gasoline way back by Midgley et al. The fossils got it in there to make money totally at the expense of their children's future. At the very least they should study how a few million panels will be recycled and also just how much of the lead leaches out of the panel over the lifespan. The older PV panels are now being disposed of. These old panels contained lead in the solder - they are already an environmental nightmare, eagerly highlighted by the oil industry.

@saidaidsa1891 Год назад

If tesla panel can generate 350 watt how much perovskites panel can generate per watt ?🤔🤔

@5th_decile Год назад

Nice developments indeed. In my understanding though, the new perovskite tandem cells don't allow for miracles in cloudy conditions. The light spectrum of clouds is more or less comparable to that of solar radiation itself (5800K blackbody spectrum), except that some of that original solar radiation is reflected back into space by said clouds. It's rather still the other way around that it's possible to achieve miracles if there are no clouds and it is possible to focus the sun light using mirrors or lenses: in those circumstances the present-day efficiency record (using III-V multijunction solar cells) is just above 47%.

@melvinfansler9432 9 месяцев назад

wouldn't putting them in a vacuum protect them from oxygen and water, thus eliminate the degredation all together?

@PeterTerren Год назад

My thoughts. Perovskites were known for a century but photoelectric studies with them were getting up to 17% efficiency by 2014. although at that stage may have had a liquid electrolyte and used lead. The 30.3% efficiency you quoted comes from the ANU Australian study. To put this in perspective, the world record for any solar cell type is 47%. Typical roof top solar cells today are around 10-15%. You quoted a 2009 perovskite cell efficiency of 4% sounds (actually 3.8%) is a selectively misleading from early experiments. Also bear in mind that Solar radiation is 1kW per square meter with sun overhead at the equator. But as most solar installers know it may be briefly higher if there is direct sunlight PLUS white clouds for the rest of the sky. About 50% of sunlight energy is infrared but it is of lower energy per photon and harder to capture. Compared to super mass produced solar panels a doubling of efficiency is great but the how will that translate to cost of production at scale? We can hope that it will be competitive.

@mathieusimoneau3358 Год назад

Can you point to the record you speak of? Because your claim goes against the Shockley-Queisser limit.

@PeterTerren Год назад

@@mathieusimoneau3358 "Traditional single-junction cells with an optimal band gap for the solar spectrum have a maximum theoretical efficiency of 33.16%, the Shockley-Queisser limit" . I understand that the record holder had 6 junction layers rather than just one. Single crystal Si cell, non concentrator performance appears to have a best of around 27%. Presumably these latter have the S-Q limit of 33%. en.wikipedia.org/wiki/Solar-cell_efficiency#/media/File:NREL_PV_Cell_Record_Efficiency_Chart.png Many examples of progress including this year.

@quietackshon Год назад

FYI Your comment with the HTTP link in it, does not show up for logged in users. Be creative is with dot or dash is my advice.

@mathieusimoneau3358 Год назад

@@PeterTerren Many thanks for the precision. It is so easy to miss some details. 👍👍 If i understand correctly the current approach is to stack panels to increase output per meter.

@PeterTerren Год назад

@@quietackshon Sorry, can't post links. Google NREL Graph efficiency

@sigma_six Год назад

But how long do they last? just long enough to get past the warranty? And then you you have to go back and replace them... but then again... a for profit corporation wouldn't consider doing something so heinous as that, right?

@MrGMawson2438 Год назад

Its only going to get better mate

@JorgeLausell Год назад

Nice to see more work from you other than Tesla!

@lighthousesaunders7242 Год назад

Perovskite cell (PSCs) technology has hang-ups; it's not easy to mass-produce, it deteriorates quickly, and it's made from some nasty materials.

@cbmusgrave Год назад

Actually, mass production is one of its advantages because it is solution processable and compatible with roll-to-roll manufacturing. Also, takes much less energy to make than Si based PV.

@sector13studios Год назад

As efficiency rises and costs plummet, we as citizens of the world desperately need to unite against unreasonable protectionism and regulations from power producers and their government lobbyists. they will inevitably try to keep us from using these technologies as we see fit and they will try to keep us from getting paid or at the very least try too lowball us on our investment and contribution to the existing grid system. It's already happening here in the states.

@stephenbrickwood1602 Год назад

Nuclear promoters need massive investment and government guarantees on cash flows and disaster insurance. Nuclear promoters need huge time frames to start to recover financial costs. Nuclear promoters need electricity bills to remain high to maintain future cash flows and customers' acceptance of high bills. Free solar energy is their enemy. Government over regulating raise solar installations cost.

@mnhsty Год назад

@@stephenbrickwood1602 Nuclear promoters seem to have an uphill battle against renewables.

@stephenbrickwood1602 Год назад

@@mnhsty big business donate to political parties and individuals can make a large amount of money, guaranteed cash flows. Murdoch is supporting nuclear. Bill Gates is promoting nuclear. Power companies supporting centralised concentrated electric power generation.

@teklife Год назад

yea good luck fighting big business

@anunexpectedfire4062 Год назад

More hype. Unless perovskite degradation is brought in line with silicon, this will be for niche applications, at best. Current perovskite cells last less than 5 years, if I remember right. For roof top installations and solar farms, you need 20+. Good progress on energy production, but I’m waiting on the degradation breakthrough.

@richardbartlett6932 Год назад

20years is far to long considering how fast advances are being made. Millions of outdated panels no use to anyone.

@danmoyer4650 Год назад

@@richardbartlett6932 If it makes economic sense today, then do it! If you keep waiting for the ultimate solution in the future, you'll never do anything. Solar and wind power make economic sense now. Get on with it! If they get better in the future, that's great.

@richardbartlett6932 Год назад

@@danmoyer4650 I'm not against new tech the question was should panels last 20 years. I feel that is unnecessary

@jacquesmertens3369 Год назад

IF these panels really are efficient and IF they last long enough to make their installation worthwile, our European/UK/US governments should step in to secure our own production. There's a strategic risk if we rely too much on solar panels that are produced by rogue states like China, which we shouldn't be buying from in the first place. What I'm missing a bit from this video is the behaviour of perovskite solar panels under very hot conditions. How fast will efficiency drop, and how will hot temperatures affect longevity?

@flobeeonekinobee2353 Год назад

Does it make the sun shine?

@peterm5554 Год назад

If these cells work when it’s cloudy maybe solar will become more reliable and predictable and we won’t need so much battery storage. I have read that offshore wind is close to thermal when delivering predictable power

@mxguy2438 Год назад

Prices have already leveled out for our current technology of solar, indicating the cost has approached the cost of raw materials. So a system going from 20 to 30% efficient panels requires 2/3 of the panels... a potential for a 33% reduction in cost per watt. Actually it's less than that from an "installed" perspective, because there are fixed costs to a solar install regardless of the number of panels you put up. I'm not sure what portion of a solar panels current cost is made up of silicone itself but given that number, vs the cost of perovskite you could get some additional savings there. But again, since only a fraction of the panels cost is made up of the semiconductor material, the ratio of cost between perovskite and the silicone is only place there is a potential for savings. I don't see huge differences in prices coming from the cost of materials. Best case, maybe a 40% reduction in cost from perovskite and realistically more like 10-20%, and that's assuming they can match the current panels ~.5% per year annual degradation. If perovskite degrades at a higher rate, even just 1%, it significantly eats into their value since they will have a shorter life span. Particularly when you consider that installation seems to be a significant fraction of the cost of solar.

@elthamtreehugger5320 Год назад

Thanks Sam, those long music outros are weird and getting to be noticeable and unpleasant

@mnhsty Год назад

My computer has a pause button. Also a back button.

@elthamtreehugger5320 Год назад

@@mnhsty it’s ridiculous to add literally minutes of elevator music to the end of the clip. I download them as I trek in places where mobile coverage is poor. This adds to the length of the file. Just poor experience for what?

@cazzone Год назад

Cool but mirrors are not photovoltaic

@wombatillo Год назад

Solar cell efficiency is irrelevant for most use cases. It's all about cost per m^2 or Watt, the longevity of the cells and scaleability. 20% efficiency with silicon is totally good enough if the panels are cheap as dirt.

@bobwallace9753 Год назад

Don't overlook the cost of framing, cover glass, racking, shipping, etc. A 20% efficient panel will produce electricity far cheaper than an 18% panel because more watts are collected per fixed costs.

@SeekingBeautifulDesign Год назад

@@bobwallace9753 Install costs are overtaking panel costs for rooftop solar.

@mnhsty Год назад

If your talking about solar farms, I guess real estate cost is a factor,, too, but I have no idea how much.

@eyesuckle Год назад

"Solar cell efficiency is irrelevant for most use cases." That's a pretty foolish statement. Obviously, if each panel is more efficient, then you need fewer of them purchased and installed to generate a given amount of energy in a day. That reduces the cost of installation. More efficient panels can also generate energy more days of the year in temperate climates, and for longer each day, reducing the problem of solar energy being intermittent.

@wombatillo Год назад

@@SeekingBeautifulDesign I recall that the total cost of a PV system was only about 20% panels and this was already a few years back.

@mrnobody043 Год назад

That's all great, but my question would be.. what will the cost be for the consumer to purchase these? See, these solutions need to be accessible for the average people and not just for the high earners.

@sailaway8244 Год назад

You vill own nothing and you vill be happy

@jasonbuksh2958 Год назад

I've heard this all before .... will be commercially available in 2090 ......

@baconsledge Год назад

"Miracle material" is a science "red flag". I have flagged this to watch a year from now and seeing how good this "miracle material" pans out.

@bearup1612 Год назад

Like most of the hype on the net I will believe it when it is for sale

@Orvect Год назад

Totally related to the subject of the video: you would be a great pirate cosplayer. 🙃 I can see it... you cannot lie to me!

@rollmeister Год назад

I dont care if a solar panel is 15% efficient when it's cheap enough & lasts at least 10 years. Just use more panels.

@cleanitup_pls7893 Год назад

Thnks Sam. If the efficiency is much greater and the lifespan is as good, then about the same cost or less is a winner. Not just cloudy days, but probably also dawn, dusk and when the sun is less directly aligned will logically generate more electricity at those times. The only question is cost - I don;t think we know yet.

@cbmusgrave Год назад

Cost is not the issue - they are very cheap to manufacture because they are solution processable and can be made with roll-to-roll methods. The major remaining issue is durability. Reminds me of OLED, which also had durability issues for many years before they were commercially viable.

@joelaichner3025 Год назад

New to me

@insAneTunA Год назад

A video like this comes by at least 2 or 3 times a week. And I have seen that happening as long as I have my YT account, and that is at least 17 years, but it could be longer. In the early years I was even promoting videos like these. For example 14 years ago when researchers from Stanford University had developed a new type of solar panel and battery with carbon nano tubes. Only to find out that you will most likely never hear again from the technology, or at least that is the case for 98% or so. If only half of all the very promising technologies that I have seen passing by over the course of all those years would be working as promised and available for customers right now we would not need any powerplant or water dam at all. And every house would be able to produce and store its own energy in abundance, in any region of the world. Don't get me wrong, I am in favor of green technologies. I just don't like the laboratory hypes anymore. Inform me when I can buy it, or at least not before the actual production has started. You have all kinds of competitors who are developing their own technology, and investors go shopping. The developers know that, so they make these videos or they publish these expected specifications from their yet to be produced product, where they hype up their own invention, as if it is ready to go except for this small barrier, whatever that barrier might be. Videos like these are nothing more than a commercial for a company or investment group that thinks to have found the holy grail. And this way they hope to find investors or sometimes even buyers for the entire company. The problem with these technologies is that next week a competitor will join the market with a new technology that promises to make every thing even cheaper, more powerful and more reliable and more durable. So you have a whole group of people desperately competing for money well before there is any usable product at all. I want to be an optimist, but I am also a realist.

@pstanyer1 Год назад

At last an article about a technology that is going to happen very soon. Ive been following perovskite for a few year and it will produce a touch more power at a quarter of the price and isnt that difficult to produce. Lets hope the Chinese get a move on

@5th_decile Год назад

Gotta keep an eye on those III-V multijunction solar cells too, right? Using focusing to get the surface area of cell required and hence the cost down. I mean those guys are already at 47% efficiency 😋

@mb-3faze Год назад

Even if a wonder material gets to 100% sunlight to electron conversion efficiency, you will never get enough power to drive a vehicle (at least not until the sun goes supernova). So the PV wafer efficiency improvements are for static solar installations. However, most often, for static installations, the area covered in panels is not the limiting factor. If you have say 10 regular PV panels and you want more power, you could replace the panels with super efficient perovskite panels - or you could just add another regular panel to the array. (And you don't have to worry about the lead in the perovskite)

@MrGMawson2438 Год назад

Evening mate

@streetcat3411 Год назад

The inventor of the Perovskite solar cell is a Japanese person you hate named "Tsutomu Miyasaka".

@stephenwilliams1824 Год назад

These commercial solar cell products may get better and cheaper but, their end-of-life removal is difficult to recycle and costly. Will we see landfills full of them. Governments such as in the U.K. would end up putting a tax levy on these products.

@francisdebriey3609 Год назад

Sam are you an AI or a human ? LoL Now when I wake up during the night, I look for any Electrified Viking around...😅 I love your videos because I love green tech.

@mb-3faze Год назад

I think he's one of twins - or maybe triplets :)

@SuperMassman Год назад

😑.. wake me when they actually have a cheap quality product. By the time this happens, there will be 20 alternatives available all more effectiant

@danmoyer4650 Год назад

What's your point? Solar electricity is getting more efficient and less expensive every day. If perovskite is part of this advancement, that's great. If it's not, at least it's worth looking at. Why the negative attitude?

@andrejsurdevics6476 Год назад

@@danmoyer4650 Overhype?

@mathieusimoneau3358 Год назад

No amount of unobtainium will break the Shockley-Queisser limit which is a law of physic. There is, to date, no efficient way to recycle solar panels either. It is a fool errand.

@solarminer7194 Год назад

When they start making these wait 5 years and the life will double.

@kevindouglas2060 Год назад

Over 30% in real life conditions. I find that sort of difficult to believe, hope so.

@jb5music Год назад

So technically complex and very knowledgeable tech presentation on the latest solar POV panel technology... then at 01:15 you're showing us pictures of a non solar panel facility that just uses reflective mirrors. The one near Vegas? Do you people not know the difference?

@jb5music Год назад

Again at 2:15 - 2:28 😆 those aren't solar panels those are mirrors

@edwardlewis1963 Год назад

33%

@willm5814 Год назад

What does efficiency ratio mean??

@nicholasthon973 Год назад

Energy produced per amount of light on the cell.

@willm5814 Год назад

@@nicholasthon973 wouldn’t that just be efficiency? Where does the ratio come in?

@bobwallace9753 Год назад

@@willm5814 Percent of energy falling on the surface that gets converted into electricity. A ratio, a percentage.

@willm5814 Год назад

@@bobwallace9753 OK but then choose one or the other - not both ‘efficiency ratio’

@bobwallace9753 Год назад

@@willm5814 Why? What's the difference between 10:100 efficiency and 10% efficiency?

@arturturk5926 Год назад

SKOAL!

@alexlindekugel8727 Год назад

ok so near max possible recoverable energy. cool.

@chrisva505 Год назад

Scientists say......coming very soon....miracle...all in the first 40 seconds.

@andreycham4797 Год назад

My roof will not leak for another 10 years , so you have time to honk this technology

@peterfitzpatrick7032 Год назад

Conversely, I'm 65 and getting older by the minute... pull the finger out and git them to market before I go "off-planet" !!... 😕

@arturturk5926 Год назад

It sounds more like the silicone panel industry bought out perovskite with a lot of fancy talk, red tape, and money.

@icosthop9998 Год назад

Waiting on that report from Sam. About the very Efficient and Sensitive solar panels that can produce energy by moonlight. 🌚 Hence allowing solar panels to produce energy 24/7. It is out there, and have been reported on.

@bobwallace9753 Год назад

There's not a lot of energy in moonlight. It's reflected sunlight from a relatively small and poorly reflective surface. The solution is a proper mix of wind and storage in order to get cheap 24/365 electricity.

@skipondowntheroad5833 Год назад

@icosthop Nonsense. On a clear night with a full moon, you should only expect 0.3% of the energy production that you would experience in direct sunlight. Totally not going to work.

@PeterTerren Год назад

I have tried to generate enough power from moonlight to turn a Crookes radiometer. This is a light globe shaped device with black and silver vanes that rotate with applied sunlight or even just heat from your hands. I focused a full moon collected from a 0.3 square meter Fresnel lens. It didn't work and my calculations suggested it needs a magnitude more brightness. In sunlight this setup can melt brick (300W in 8mm diam). I read the article about "solar" cells in darkness but can't remember the full details. It was a tiny amount of energy. Something like the difference in long wave infrared from the ground is greater than that of space.

@markuswilkerson4601 Год назад

An efficiency rate of 30% is horrible and NOT ultra efficient. What are you reporting here?

@5th_decile Год назад

Nice debunk, thx! I almost got a sliver of enthusiasm on this news, but it's nice to stand corrected :D

@lighthousesaunders7242 Год назад

What is this crap music you buffer your 10 second insights with, in order to boost your videos to over 8 minutes? Come on Sam. Quality over quantity.

@insolidusyt Год назад

You don't have to be an expert on the field, but I wish you wouldn't just read out exactly what was written in the article. There is no citation of the actual article being talked about in the report and I'm guessing you don't know either.

@john_in_phoenix Год назад

I think you're leaving out the part of the studies that explain how quickly this miracle material degrades. I understand that you want to make videos that get views, but I have been hearing about miracle inventions "just around the corner" since the 60s. I remain skeptical until they actually are available to buy. I am still waiting for my flying car. Fusion is still 30 years away.

@richardbartlett6932 Год назад

Are you seriously saying you haven't seen ANY advances in the last 30years or just cherry picking a couple of those that haven't?

@danmoyer4650 Год назад

Re-usable rockets are taking over the launch market today. Electric vehicles are selling by the millions now, and will completely take over the market by the very early twenty-thirties. Very powerful computers in the form of smartphones are in everyone's pockets today. BTW, flying cars are coming onto the market now.

@peterinns5136 Год назад

Flying cars are a thing now. At least one has received an airworthiness certificate. Alef Automotive makes them. Cost? Lots, I imagine.

@pstanyer1 Год назад

@@peterinns5136 we had flying cars in the 60s

@helmutzollner5496 Год назад

I am waiting for some info. It is only gushing. How does the new tandem solar cell overcome the durability and stability issues. You just quote efficiency improvements. That is pretty old by now. The problem for the past 15 years was that these improvemts do not last. You keep gushing, but there is no info why. Finally, youbwere using some visuals of solar thermal power plants and standard Si panels. What are you actually reporting on? I would not call your flic clickbait, but it is not far off.

@izmark671 Год назад

light weight, cheap, affordable, easily replaced and powerful. But...they must come in colors at least. Art would be even better...a Picasso roof for me. To muck to ask for I guess.

@bobwallace9753 Год назад

A colored panel means that part of the light spectrum is not being absorbed and turned into electricity. That's going to increase the cost of powering your house. Perhaps you'd be willing to pay extra but most likely not many would which means you'd pay even more for a low scale product.

@gijbuis Год назад

"a breakthrough... which is coming soon" 🤣Perovskite solar panels will be coming, but the problems of short lifetime still remain!

@jonathans4832 Год назад

Too many filler words. Can the video be shorter so that I can capture the gist of the message without spending too much time?

@RASDB7 Год назад

419 👍🏾

@aleksandermiskowiec6591 Год назад

take a break

@larryw.7311 Год назад

Sam please stop with the 2 minite musical headache at the end. Thanks for the facts, but I'll get my music elsewhere.

@danielcapson9842 Год назад

This is not new... They've been working on the combination cells for years. You are behind the ball on this one... Silicon combo cells have been in the works for years... You're weak on getting this stuff out...

@pstanyer1 Год назад

exactly my thought, Ive test two of these cells and got 24% and 30 % power output in the lab, in real world situations they were only producing slightly more than normal silicon. Ive got a 1971 uk made satellite panel that produces a very health 6%

@crazyprayingmantis5596 Год назад

I still wanna know what's renewable about Germanium Thalium, lithium and Cobalt etc...... Utilised for non-recyclable single use processing to make solar panels and batteries? Even the fibreglass blades of giant windmills don't get recycled, they get used until they destroy themselves which they do pretty often then they get junked. So what's 'renewable' about this technology? The best batteries in the world are junked after less than 10 years of constant charge/ discharge cycling, the solar panels lose half they're already crappy energy conversion efficiency at about the same time, then you just throw them away and make more. What is renewable about that? Those elements aren't made in the natural cycles of the Earth, they were created in late stage supernova fusion and we won't be getting more of that stuff. So how is this renewable?

@mnhsty Год назад

Batteries are recyclable. At scale, will be cheaper than mining, but currently there are too few dead batteries.

@danmoyer4650 Год назад

So what's your solution? Are oil, gas, and oil recyclable? Are thermal generating plants recyclable? Lithium-based batteries and solar panels are recyclable. Companies like Redwood and Li-Cycle are doing it now and claim that over 90% of materials can be recycled into new batteries. Glass fibre wind turbine blades aren't being recycled? That may be true, but market demands will ensure that recyclable materials will take over the wind turbine blade industry. Even when they can't be recycled, dead wind turbine blades are a far less toxic waste matter than your own personal household waste.

@crazyprayingmantis5596 Год назад

@@danmoyer4650 Nuclear is the only answer, the rest is pissing in the wind.

@pstanyer1 Год назад

The blades can be recycled its just an extremely expensive thing to do the companies should be forced to pay for it. Each blade costs about £8k to recycle but it costs hardly anything to bury them in landfill

@johnbash-on-ger Год назад

Multi-junction solar cells are not new, the two-junction solar cell presented isn't a real breakthrough. Not ultra-efficient either, this video was disappointing. Make a video when they reach 40+% with a two-junction cell..

@bobhilder1469 Год назад

Inexpensive Multi-Junction cells with decent efficiency would be "new".

@5th_decile Год назад

According to NREL chart, the two-junction solar cell efficiency records are at 32,9% without concentration (of solar light) and 35,5% with concentration. With 4-junction, they can achieve 47,6% efficiency under concentration. @bobhilder: the fun thing is that you can use lenses or mirrors to concentrate the solar light into a tiny spot, thus requiring only a small surface area of solar cell and moreover boosting the efficiency of that solar cell. Touwsrivier solar plant in South Africa and Golmud solar plant in China use that principle.

@bobhilder1469 Год назад

@@5th_decile Isn't that NREL chart amazing! Do you happen to know what the two solar (concentrator) plants are using for concentration? My understanding is that any real efficiency improvements are only realized with many, many 10's or more of concentration.

@5th_decile Год назад

@@bobhilder1469 You are right, the record for the 2-junction case was made with a 38,1 factor of concentration, so indeed you see that the additional +/-3% efficiency boost (35,5-32,9) required an order of magnitude in concentration. On the other hand, this kind of concentration is not difficult in an additive way really. A key figure is that a parabolic trough (line-to-point focusing) can achieve +/- 100 times focusing while a parabolic dish (plane-to-point focusing) can achieve +/- 10000 times focusing. Getting better focusing is a job of precision: accurate parabolic shapes and excellent tracking of the sun. It's not that you have to stack more and more lenses or mirrors to get better focusing. As a consequence, the 10000 times focusing I mentioned for the dish is the theoretical maximum (things can heat up to 5800 K in that focus, the temperature of the surface of the sun).

@lct9031 Год назад

billions and billions of dollars spent on R&D and pv panels are not even 30% efficient yet . Electric motors are over 90% efficient and this was achieved many years ago. Just imagine if they spend all that R&D money in hydro, hydro mini systems, hydro in drain systems. In a world where efficiency is crucial we surely waste a lot of money

@Mr11ESSE111 Год назад

This guy are full of some news and reality are same as it was 10+ years ago and that means shitty range and long recharge but everyday are stories about scientists found/have batteries which recharge in few minutes or have up to 1200wat per kg and EV still use same old shit

@Jkauppa Год назад

what are the angels talking again, against the Lord

@Jkauppa Год назад

you know that metal diodes are a thing, not requiring doped semiconductors/silicon? M-I-M galvanic potential solar cells, with the intrinsic/undoped semiconductor region of the PIN solar diode

@Jkauppa Год назад

yep PIN diodes can be schottky diodes, ie, metal-intrinsic-metal diodes

@Jkauppa Год назад

yep macro solar cells, no micro equipment required, everyone can do those, by themselves, with basic tools, you can even use normal stock metals, including silicon metal, something like Aluminium-Silicon-Copper or even Copper oxide semiconductor, as the collection intrinsic region, or any other suitable stock intrinsic material

@Jkauppa Год назад

if you want to dope a semiconductor, just mix in the dopant in ultra small quantities, like 1% or less

@Jkauppa Год назад

yep I have uni masters in semiconductor tech, including solar tech

@aleksander4711 9 месяцев назад

They age like milk I hear.

@yourlogicalnightmare1014 Год назад

How many thousands of times do you fall for the "breakthrough" bull sheep 😂 There's no such thing as a "breakthrough" that leads to commercialization in the next 10 years