Thanks for making sense of many things .... in a light and humorous way
@jedics1
20 сағат бұрын
30% efficiency means 50% more energy than my 20% efficiency panels which means a huge improvement to my quality of life in winter :)
@fireball75677
18 сағат бұрын
it also means less panels on the roof for the same power production which I like
@madpete6438
18 сағат бұрын
@@fireball75677 OR more power from the same roof !
@EdSurridge
15 сағат бұрын
Likewise. I wonder when to buy thou. I guess incompatibility isn't a problem but shall check. I also want the smaller sizes to fit on my small house boat
@anguscampbell1533
14 сағат бұрын
It also means that if in winter you harvest the waste heat for hot water, space heating and clothes drying you reduce energy consumption from another area. That is a distinct possibility.
@gasdive
14 сағат бұрын
Though for most householders money is the limiting factor rather than roof area. A panel that makes 50% more but which costs 100% more is only an advance for a very limited set of applications.
@fixeroftheinternet
10 сағат бұрын
Great show Dave. Keep up tbe great work
@markuslang1869
5 сағат бұрын
Got it right just after 13 tries - got me. Thank you for your great work
@manickn6819
Күн бұрын
Good stuff. I did a course on solar some years ago and perovskites were the most efficient.
@troyfelsman583
21 сағат бұрын
You look so much like my mom’s brother, my son and I are freaking out, watching your video. My mom and her family are American but primarily of English descent, having come over in the 1800’s . Just crazy.
@michaelmcnally9737
23 сағат бұрын
Hey now, I do actually remember talking about perovskites earlier
@mellissadalby1402
Күн бұрын
I am looking forward to longevitiy data on these new PV cells that make use of Perovskite as they go through their service life.
@adrianthoroughgood1191
21 сағат бұрын
Even if you assume that sunlight is only intense for 6 hours a day, that was only 100 days. We want an least 3000 days, minimum.
@scooble
12 сағат бұрын
What a pleasant fella
@MarcoNierop
Күн бұрын
I read many concerns about the longevity of perovskite panels, but if they are dirt cheap, that might not be much of an issue.. just have them removed and install new ones (which are probably better as well), the old ones should then be recycled, so the materials can be used to make new solar panels.
@ristekostadinov2820
23 сағат бұрын
i think they're not going to be dirt cheap (at least not anytime soon) because they're going to be silicon-perovskite combination, LCOE can be lower than regular ones because they converts more sun light into electricity
@SonnyDarvishzadeh
23 сағат бұрын
Wouldn't it be amazing if no product was allowed in the market until the whole process, down to its recyclability was designed and implemented?
@terosma
23 сағат бұрын
Today installation costs more than the panels for residential applications
@2ndfloorsongs
21 сағат бұрын
I hope development continues because they are certainly viable for specific applications. But even if their reliability is improved, I doubt they will ever reach the amazing reliability and manufactured cost of current solar cells whose prices are still falling. Three problems: Their manufacture requires adding additional layers which requires a more complicated and expensive manufacturing process. These additional layers decrease the cell's thermal conductivity which complicates cooling issues. Their weather-resilient protection requires more expensive UV transparent glass or a plastic that is as durable glass.
@MartinMaat
16 сағат бұрын
How is low voltage of wide spectrum cells a problem when one can put them in series?
@peterdollins3610
16 сағат бұрын
Thank you for another fine report for me to view.
@martinhuhn7813
15 сағат бұрын
10% efficiency loss after 600h of sunlight is still terrible in comparison [EDIT: I understood the numbers incorrectly - see below. It was actually only 3% loss] to the established silicon panels. That´s less than a very cloudy year. So, after 2 years the panels become less efficient than conventional ones, after 4 years their lifetime production is down below what conventional panels produced so far and by then, they are essentially e-waste and have to be replaced (all assuming, the degradeation is linear), whilst conventional panels will be good for 15+ years. The development of the technology is still impressive.
@mael1515
13 сағат бұрын
I agree, but as I understood it, the degradation is only for the perovskite part of a tandem module. So the silicone part should stay the same 🤔
@baileyhollender2604
13 сағат бұрын
Where do you get the 10% from? He says that it's 3%
@FischerNilsA
13 сағат бұрын
But...material degradation isnt linear in any given example. Let alone solar panels. Current standard silicon panels start out loosing 2-4% in the first year, with the capacity loss getting smaller each year after that. My 18-yo system now produces about 14% less than in the first year. But yeah, that made me listen up too.
@martinhuhn7813
13 сағат бұрын
@@mael1515 As I understood it, most of the video was about pure perovskite panels which are on sale now, whilst the very highly efficient tandem module was rather something for the future. That being said: I am not sure, if the silicone part will really be unaffected, when the perovskite part degrades. I can imagine some reasons, why that might not be the case. But it would be more usefull if somebody without more knowledge about the technology than me addressed that question.
@martinhuhn7813
12 сағат бұрын
@@FischerNilsA Sure, I don´t know, how the degradation of perovskite panels develops. It might slow down as it does for silicone based systems, continue linear or even accellerate dramatically. That´s the problem with insufficient data. The video did not tell us about the dynamics of the degradation. And if 600h of continuous sunlight are mentioned, that does not even tell us anything about ageing over time (independant of the light) or the effects of temperature fluctuations in the real world or the effect that changes in light exposure in comparison to continuous exposure might have.
@punditgi
22 сағат бұрын
Fascinating video, Dave. Always appreciate your technology updates. And I notice you correctly use "micrometre" instead of "micron", which is officially obsolete. One hint, though; your pronunciation is for "micrometer", which is a measurement device. The pronunciation of the metric subunit of the "metre" is MY-kroh-mee-ter, much like MILL-ee-mee-ter. Cheers, mate! 😊
@aliendroneservices6621
22 сағат бұрын
7:57 7:59
@2ndfloorsongs
22 сағат бұрын
Haha, micron is definitely not obsolete and is the preferred term to use where I come from which, not surprisingly, is the manufacturing, engineering, and manufacturing of those damned measurement instruments that people confuse with the new-fangled unit name. (Numerous publications and textbook publishers have resisted changing over as well for the same reason.) "Micron is also shorter and well known. Nope, call me old-fashioned, but "micron" is the much better, less confusing term And I support all efforts to resist this change. The world has enough ambiguity as it is, there's absolutely no reason to add more.
@punditgi
21 сағат бұрын
@@2ndfloorsongs I mean officially obsolete per the BIPM.
@2ndfloorsongs
20 сағат бұрын
@@punditgiYes, I understand. You must forgive me for ranting on as I have to deal with the confusion every day and I'm evidently more sensitive about it than I should be. 😁
@punditgi
20 сағат бұрын
@@2ndfloorsongs No worries, mate! 😃
@justin_time
23 сағат бұрын
40% efficiency solar cells would definitely make solar electric vehicles much more viable for lots of folks out there. Right now it seems that the typical range gain from adding solar cells to a vehicle is about 10-20 miles per day, but doubling current efficiency would bring it up to 20-40 miles per day, which I believe would cover most people's commutes. Very hope inspiring tech. I'm glad to hear that this one actually came to fruition. I hope the technology continues to improve too.
@danilooliveira6580
23 сағат бұрын
10-20 miles in the best possible conditions with direct sunlight, for a small fortune that would cost to apply them to the entire surface of the vehicle. it's never going to be worth it unless for super light vehicles designed specifically for the purpose of maximizing solar energy.
@justin_time
23 сағат бұрын
@@danilooliveira6580 Like the Aptera Sol
@rosspitca9142
23 сағат бұрын
keep eye on graphene solid state ev batteries,, goal is 600 miles, extremely fast charge and less prone to fires.
@vinniepeterss
22 сағат бұрын
😑
@2ndfloorsongs
22 сағат бұрын
I certainly wish this idea well, but for now the added weight gain and overall vehicle reliability penalty really cancels out any benefits.
@GhostFS
23 сағат бұрын
That's my luck. Made research in quantum dot cell to save the world... not working good enough, tech ended up Q-led in monitor. Made research in organic photovoltaic to save the world... not working good enough, tech ended up in OLED monitor. Made research in Perovskite cell and... stopped thinking that "will end up like the other two broken dreams displayed on monitor" and abandoned research for private sector.. Now 10 years later... Those are working -_-
@danilooliveira6580
23 сағат бұрын
you paved the way for those discoveries
@2ndfloorsongs
22 сағат бұрын
Science is a crap-shoot. I applaud your honest efforts. Really, that's the best anyone can do.
@ahenchan5422
14 сағат бұрын
Organic PV may well be working as you say. With your experience though, you surely know that Perovskite is not organic. It even says so in the video.
@GhostFS
7 сағат бұрын
@@ahenchan5422 Miss typed two times Organic PV. First Perovskite were also pretty nasty. With lead inside and GHB as solvent for deposition. So definitely different from the OPV I was doing before with most of the material that were perfectly biocompatible.
@jesseestrada8914
22 сағат бұрын
You're excellent use of the a banger at the beginning is you farming view time. I know this because I had to watch 2 minutes twice cuz I was laughing so hard.
@Kevin_Street
2 минут бұрын
Thanks for the video! It seems almost miraculous that they can do tiny little microscale modifications to the surface of the perovskite crystal, and scale that up for industrial production at the same time. But then, there are already all kinds of industrial processes that operate on the micro and nano scales, like consumer electronics. Imagine spending your career optimizing things that no one can see without a microscope!
@pandoraeeris7860
Күн бұрын
Finally!
@martinrady
23 сағат бұрын
Thanks
@WeDeserveBetterNow
Күн бұрын
This is fantastic news! Thanks for keeping us up to date on all the latest green tech Dave!
@russellzauner
18 сағат бұрын
I'm waiting for my perovskite solar paint. University of Washington has been printing P cells on plastic film for over a decade.
@jonathanodude6660
6 сағат бұрын
did you miss the part where the smoothness of the tandem cells was a huge barrier that has only recently been figured out? single layer solar cells already exist, but you arent going to get anything multilayered in paint if the current research is literally into how to apply a layer we already understand to another layer we already understand.
@fje1948
10 сағат бұрын
Many Thanks for this informative video.
@TheLRider
13 сағат бұрын
Superb as ever. Thank you.. Wish I could make it to Farnborough.
@adrianthoroughgood1191
21 сағат бұрын
For general use what matters is annual Whr / $. Conversion % only matters more when space is tightly constricted such for solar boosted vehicles. Even on a house roof it's not worth paying a premium for higher % because you can always top up from the grid.
@DanteVelasquez
3 сағат бұрын
Here's hoping! How wonderful this will be when we can get tandem cells working everythere they are viable 🙂
@polodog7458
4 сағат бұрын
Just building in CAD wile listening and this part caught me so off guard i had to double check 3:28
@TinaKrack
Күн бұрын
Great video! I really like the way you present the material - everything is clear, understandable and professional. Keep making us happy with your work!🐹🌲🙊
@glennllewellyn7369
Күн бұрын
Explain your interest and experience in batteries please
@Able_Cylon
23 сағат бұрын
@@TinaKrack I like batteries too. They make toys work.
@Able_Cylon
23 сағат бұрын
@@TinaKrack oops, I forgot to add cute emojis
@Able_Cylon
23 сағат бұрын
@@TinaKrack why take comments away?
@Able_Cylon
23 сағат бұрын
@@TinaKrack stop!
@markapplejohn4376
21 сағат бұрын
Just wanted to say that I have really been enjoying your channel for a few years now. Would have really liked to have seen you last month here, in the Vancouver, Canada area last month at the Everything Electric Show sponsored by BC Hydro. Don't know if you have come to Canada before but if not, it's a great place to visit. Keep up the great work!!
@marketingmark9992
16 сағат бұрын
I hope to see the day when solar panels capture infrared light that change would be amazing, I'm sure someone is working on it
@gregvanpaassen
15 сағат бұрын
Infrared light doesn't produce much voltage, unfortunately.
@GBOAC
15 сағат бұрын
The biggest issue is that with that capture it heats op the panel much more, which diminishes the efficiency of the visible light conversion. That's why it pays off more to reflect IR and just capture high energy radiation.
@liamthompson9342
Күн бұрын
Amazing to see research actually get to market. So many damp squibs.
@peterjol
9 сағат бұрын
My 4kw system was also the maximum amount of panels that would fit on my roof, in ten years it's more than paid for itself ..even though I recently did have to get a new inverter (which wasn't cheap), I really don't understand why people are still being slow to have systems installed. It makes damn good sense even for those who only interested IN money and investments and don't care about the planet or global warming..... and even more so if they can increase the panels, efficiency by so much more.
@IDann1
22 сағат бұрын
Thank you for your pronunciation. It made me feel good.
@ThaedDavid
14 сағат бұрын
Great video. The graph backgrounds always make me want to wash my screen :)
@james3876
25 минут бұрын
We're all going to be on solar in a couple decades
@anders21karlsson
10 күн бұрын
Brilliant as always.
@ChoompanZeebra
22 сағат бұрын
How did you comment 9 days ago? This video was shared yesterday. I'm so confused
@2ndfloorsongs
20 сағат бұрын
@@ChoompanZeebra I guess the answer would be that paying members get to see the videos earlier?
@ExploreandDiscuss
20 сағат бұрын
Amazing!!
@dermotdonnelly5495
22 сағат бұрын
Great video. Thanks.
@petersimms4982
16 сағат бұрын
Amazing 😊
@patrickgriffiths889
22 сағат бұрын
Thanks. Free fusion FTW.
@MichaelRada-INDUSTRY50
18 сағат бұрын
Dear David, thank you for your next THINK, Some of the standard SOLAR PV producers deliver SOLAR panels with 24% efficiency.
@ianPedlar
Күн бұрын
Skulduggery I tell you! It is strange that having, as we do, a massive fusion generator (our Sun) only eight light minutes away, that we can't use it to power everything (apart from life on earth). What would the Vogons say?
@Rustea314
Күн бұрын
Mostly harmless. 😂
@vinniepeterss
22 сағат бұрын
😂😂
@2ndfloorsongs
22 сағат бұрын
The Vogons, to the detriment of all sentient beings, have probably written an uncountable number of seemingly endless poems about it.
@ItWasSaucerShaped
11 сағат бұрын
i mean, we kind of do petroleum and coal are stored and compressed solar energy, just with the unfortunate side effect of also having carbon dioxide compressed and stored along with the energy and it makes a lot of sense to use pre-stored solar energy.... except for the whole carbon dioxide thing :|
@2ndfloorsongs
10 сағат бұрын
@@ItWasSaucerShaped My favorite stored energy is geothermal. Those new drilling techniques that use microwaves to vaporize rock have really made great progress. When we can drill deep enough to produce superheated steam anywhere on the planet, I think even solar and wind will become niche power generating technologies and everything on earth will be geothermal. Fusion reactors, besides being non-existent, are already giant, expensive dinosaurs vis-à-vis earth. But the research is important because they will come in very handy in deep space.
@andrewking1122
7 сағат бұрын
Any increase in the technology is great as long as it is not done at the cost of the environment!
@xspager
21 сағат бұрын
Paying for access to scientific publications with Patreon money 😎
@peterlomax7143
8 сағат бұрын
Hi there, thanks for all the wonderful videos you put out. I just saw an interesting new BESS technology using organic material to store electricity. I don't know if this is clickbait or something more revolutionary.
@stewartpalmer2456
3 сағат бұрын
I've seen what the sun in my area does to paint. I can't imagine losing 3% efficiency every 50 days at 12 hour exposures. These panels would be dead in 2 years at best. But keep working at it. We need break throughs somewhere.
@ralph72462
9 сағат бұрын
The description of what happens when the sunlight hits the material reminds me of batteries. It seems that it could be an actual chemical reaction from the sunlight that causes the material to change and kind of rust giving off electrans but once it's rusted then it doesn't produce as well. ???? I am not sure if that is correct just my thoughts. The silicone panel probably work very different but they also eventually decay in the sun too. I say this because I live in Florida and the sun is very strong here. I like experiments with solar technologies to try to optimize efficiency for example here in Florida having a way to cool a panel improve thier efficiency a lot. They also can last a bit longer although the sun eats them away eventually. Said to much. Great video thank you 😊
@pauldenney7908
12 сағат бұрын
Our original 16 panels from 2008 still produce close to thier theoretical maximum. We can produce more from the 10 new ones we installed 2 years ago. And I dare say in the next 5 years we will install 5 which will give us the same or more than the original 16. That's quite an increase in performance in what will be 20 years.
@agsystems8220
15 сағат бұрын
Energy efficiency only makes sense to talk about if you are running out of space, and we are not nearly close to that. Far more important is cost per watt, including installation. More efficient cells are more compact, so less installation for the same power, but it doesn't matter if the cells are not cost competitive. The most important question is whether a technology can be cheap.
@jantjarks7946
12 сағат бұрын
Installation costs are a massive part of the overall costs though. Both have to be weighted against each other. As usual, a new technology costs more, with declining costs over time. All that has to be taken into account.
@HoboGardenerBen
10 сағат бұрын
Good point, plenty of desert wasteland, cropland, and canals waiting for panels. The end of life of the product also matters a lot. The industry keeps making stuff that become forever trash, can't be remade into more, that is stupid. We can't cover the world in garbage in the process of going electric.
@HoboGardenerBen
10 сағат бұрын
I am interested in solar ebikes so the most efficient panel would be great there, limited real estate. But it also needs to be tough
@Ben-Ken
9 сағат бұрын
That's true but new tech always starts out expensive and then become cheaper over time. Efficiency is a major issue for small, mobile applications and for homes with limited roof space.
@predabot__6778
5 сағат бұрын
@@HoboGardenerBen That seems like a terrible idea. One reason being the massive amounts of vibrations which the panels would have to withstand, from being a part of a bike-frame. You're better off having solar at home and through your public municipality, which you could then fast-charge with.
@RaglansElectricBaboon
20 сағат бұрын
For the ones 'ON SALE' in the USA what's the $/W? Awesome to hear about the research :)
@vinniepeterss
22 сағат бұрын
great!
@grantyale
13 сағат бұрын
Higher efficiency is great. I'm limited to a 5kW inverter though. All that extra electricity I sell back to the grid can't even make up for the fixed connection fee.
@TheDoomWizard
23 сағат бұрын
Cool. Buy me some and a bag of groceries.
@joehopfield
23 сағат бұрын
I just joined your Patreon because of your perfect pronunciation of something that should clearly have been an acronym. Well done!
@johnramirez5032
4 сағат бұрын
Great video! I don know why but this reminds me of Luis Pasteur quest during his time. Perhaps the researcher will stumble on what will be a huge discovery? Im just having a think!
@jonblacklock1052
14 сағат бұрын
Imagine bifacial perovskite panels. This really would be quite an improvement in high latitudes in winter.
@marrow-zp7zt
17 сағат бұрын
Spruce Pine mines have all their operations cut out and roads flooded out by hurricane Helene. Spruce Pine district is one of the largest suppliers of high-purity quartz, the raw material for silicon. This will lead to serious shortage of the semiconductors and PV.
@spadress
10 сағат бұрын
About schokley-qeussier: Why not use most of the light and as for the low voltage add the cells in series, so the voltage adds onto each other
@johnphilipwilson
16 сағат бұрын
Is space efficiency the most critical factor, watt/m^2? Or is it more cost efficiency, i.e. watt/£ of install. Is the production/install process going to be significantly cheaper to make a big impact. I often wonder if the much less space efficient polymer solar printing and paint process are something to get more excited about, where the production/installation cost is so much cheaper you can use it every where.
@rklauco
12 күн бұрын
The more tech we can use, the better. Even if it has some downsides (e.g. shorter lifespan), it still can work plenty well for ground-mounted utility scale arrays. And if it's not from silicone, it might be easier to recycle afterwards... I am optimistic. Thanks for the update, positive news are rare these days.
@2ndfloorsongs
20 сағат бұрын
One layer is a traditional solar cell so the recycling issue is more complex not less complex. That said, the good news is that it's not that bad just to bury them in a landfill. For even a 20-year lifetime the mass per year is still very low. Lower than most stuff that ends up in a landfill. Definitely a few orders of magnitude less than single use plastic and don't get me started on disposable diapers and kitty litter. 😁
@TaylerKnox
23 сағат бұрын
Whenever you cite research in China I’m both hopeful yet skeptical. When will it be available for verification?
@MarksElectricLife
15 сағат бұрын
Like a new Covid strain success means outcompeting the dominant technology. 20% greater efficiency won’t win if the panel costs 20% more. Thus, the barrier to entry is reaching a scale where production cost falls below existing tech. It’s a high barrier. That’s why we are still using the same design (roughly) from 20 years ago.
@andrewallen9918
15 сағат бұрын
There are already low cost commercially available mass produced PV panels at the same efficiency of the Oxford PV panels, not 20% lower as you detailed in the video. 25% regular panels will be available Q1 next year. Hopefully Oxford PV and other perovskite producers will accelerate the efficiency improvements as I doubt they are cost competitive at the moment.
@RasmusSchultz
15 сағат бұрын
6:00 "curent denisty, aribtrary units" 😌
@RasmusSchultz
15 сағат бұрын
did you get a new editing guy? the animation is really bad as well - the animation at 6:50 will give some people motion sickness. 😞
@aussieideasman8498
21 сағат бұрын
At 1:40 the guy on the right side of the screen with the camera is me. Check one of the few videos of mine with me in it and you will see. You have a clearer shot of me than my webcam does, because I usually make it small. I have only ever been to two shows in Sydney. I recall it being Fully Charged first and then Everything Electric at a new location the second time around. I think I made a Mickey Mouse video of each. Anyhow, if you need permission for my ugly mug you have it. I respect your high-quality content and that shot of me can only drag it down, lol. The red MG4 was the first year, from memory.
@bloepje
15 сағат бұрын
Currently the price per panel is much lower than the price per panel mounting equipment. You pay more for 2 aluminium profiles that you have to screw on your panel to connect it to your roof. So needing less panels is always better. Because the mounting is extremely expensive, not the panels.
@macmcleod1188
23 сағат бұрын
The Spruce Pines (north caroline) quartz* manufacturing has been shut down but is more likely to affect computer chips than solar. Just FYI, unless someone says it's going to shut down solar panels. *(99.999999% pure quartz wafers).
@Yanquetino
21 сағат бұрын
With the soaring temperatures from the climate crisis my array is no longer keeping up with our electric demand. I just might have to replace some of them with these new, more efficient panels.
@2ndfloorsongs
20 сағат бұрын
And speaking of global warming: These cells require additional layers making them, at the moment, less thermally conductive which makes cooling the cells more problematic. Also, the UV transparent glass that's needed to protect them is more expensive and using UV resistant plastic that is UV transparent has durability issues. Also, additional layers always cost more to manufacture. So, still some bugs to be worked out. 😁 But I sincerely wish the companies well.
@MrAdopado
12 сағат бұрын
... or alternatively reduce your electricity demand?
@ianstewart7605
Күн бұрын
Nothing wrong with hopium, as long as we don't count the chickens yet.
@2ndfloorsongs
19 сағат бұрын
Especially those chickens over there on the other side of the road.
@LCTesla
7 сағат бұрын
Ray Kurzweil has been really prescient on this. He's been saying we can solve the climate and clean energy problem just with solar power for the last 20 years or so. All a simple matter of extrapolating its predictable halvings in cost forward. Now solar is the cheapest form of enery and its cost halving shows no sign of halting.
@kylequinn1963
11 сағат бұрын
If we can get efficiency to 50% that would be insane. Imagine doubling current solar output on the same footprint.
@scottstormcarter9603
12 сағат бұрын
Very interesting. How do we make them last 25+ years?
@LeeSmith-cf1vo
16 сағат бұрын
It´s good to see one of these ¨miracle solutions¨ actually hit the market for a change :) But if the panels are made in the EU, why is the US the first market for them?
@SusannaSaunders
16 сағат бұрын
Your title mentions panels being sold but you don't talk about this! Just More speculative hopium as you put it... I was hoping to learn more about what is actually available now. And then talk about potential future improvements.
@JCrashB
15 сағат бұрын
9:33 So that means after roughly 3 years they only have 50% of their initial performance left and a mere 11% after 10 years (assuming an average light exposure of 12h/day). Not really sustainable, is it?
@LL-fw7hi
22 сағат бұрын
600 hours of illumination divided by 12 hours in a day isn't even two months. I'm sure it ends up being more than that: the solar cell probably doesn't have direct sunlight for all 12 hours, there is an intensity curve over the course of the day, etc. but still those numbers don't look good. Will these cells have lost most of their advantage after a couple of years of use?
@basedchad6284
10 сағат бұрын
Would you ever cover the Thunderstorm Generator?
@scottstormcarter9603
11 сағат бұрын
Where to buy seems elusive, didn't find anything on their website. Just a FAQ saying they will tell us.
@FrancisFjordCupola
16 сағат бұрын
The only thing we ever really need is cold fusion. /Sarcasm. I wonder what the longevity of the newer panels is; previous generations have excellent long life. Organic coating might degenerate quicker.
@DavidCheok
10 сағат бұрын
The nibbling on my mind is how long will a coating that typically lasts 6 days can be modded to last 25 years or more.
@anguscampbell1533
Күн бұрын
How does excessive heat buildup affect perovskite tandem/silicon panels?
@2ndfloorsongs
20 сағат бұрын
While I can't be of any help about the chemical or structural (delamination caused by temperature cycling) effects of elevated temperatures, I do know that it's more problematic to cool the cells because the extra layers reduce the cell's thermal conductivity.
@anguscampbell1533
14 сағат бұрын
@@2ndfloorsongs Thank you
@haroldnicholos7436
Күн бұрын
All that matters is how is the respectability. We don't need super powerful solar panels what we need is solar panels that are easily recyclable
@brsaweda
Күн бұрын
We want both, of course: super powerful solar panels that are easily recyclable. And cheap, too.
@NobbsAndVagene
23 сағат бұрын
All that matters is that we respect them, show them we care. Respectability is what I really look for in a solar panel in 2024.
@danilooliveira6580
23 сағат бұрын
recyclability is not really that important, specially if it's at the cost of panel durability. modern solar panels are made to last more than 30 years already, and even after 30 years they still produce plenty of energy. if you can make them easier to recycle without affecting durability, then sure, but modern panels already can be recycled, it's just a lot more expensive then mining new raw materials. but it would be even better if we found ways to continue using old panels, just like we should find ways to continue using old batteries for as long as they still work.
@incognitotorpedo42
23 сағат бұрын
No, that's not "all that matters". When you're comparing it to coal as a source of electricity, you need to consider all the people and other animals getting sick or dying from the air pollution, the mountains of toxic coal ash, the massive, ongoing destruction of the environment while we continually mine massive quantities of coal. With solar panels, the material requirements are minimal. Infinitesimal, in comparison to coal. At the end of their useful life, decades in the future, they can be harmlessly buried. So what. I know, "Reeee, it's not 'sustainable'!!!" BFD. Coal is killing us.
@2ndfloorsongs
21 сағат бұрын
@@incognitotorpedo42They are easily modified into standard roofing material. But yes, burying them in landfills is easily justified because their 30-year lifetimes make their mass per year relatively low. Orders of magnitude lower than most anything else you put in a landfill. Add another order of magnitude or two when you consider single use plastic and don't even get me started on disposable diapers and kitty litter...
@martinwilke1980
16 сағат бұрын
24.6% is not 20% more than commercially available silicon panels which are available with at least 22.8%.
@dimmedaurum114
18 сағат бұрын
I have a question to just have a think. The solar panels look quite blackish to me, so they must absorb huge amounts of solar light lengths and they convert about 25 % of the light to create electricity (the best panels). The question is what happens to the other 75%?. Are they emitted back to space or do they warm up the atmosphere around the solar panels quite more efficiently then say the sand and rocks of the desert those panels are installed upon?
@Nobe_Oddy
Күн бұрын
I guess the REAL QUESTION is 'HOW MUCH?" (for the unpronounceable TEA compound(s) and retrofitting this new process into (the one) existing Perovskite production line)
@HoboGardenerBen
10 сағат бұрын
I think we need durability and proper end of life recycling as well, not just a focus on efficiency. Besides, putting soalr panels in canals makes them a lot more efficient by keeping them cool. That is the best use-case I can think of, that and agrivoltaics, combining major system functions will lead to a greater system wide improvement than getting more efficient but not lasting long and becoming e waste sooner. We need perfect materials recycling so bad, that would fix much of the issue with the global distribution system. Seems like it should have financial incentive now, we've literally covered a lot of the planet in garbage to the point that quality of life is reducing in many many places.
@daddydigadiga5694
5 сағат бұрын
Did you know that you can write to the authors of scientific papers and ask for a copy? They are normally very happy to provide a copy for free.
@noizydan
9 сағат бұрын
Based on 600 hours use, this does seem to be a very short guarantee of efficacy for perovskite on silicon. I'd like to see this measured over a longer time period so we can have more confidence that these numbers can be sustained. The extra processing required needs to be justifiable over the full lifecycle of the tech.
@jasonlegg3191
21 сағат бұрын
Don’t use the 20% off discount code!!! It’s 20% off a higher priced ticket… you’ll be charged £15.60 and not the £10 the tickets are currently priced at… 🤷♂️
@jurijfranko9002
6 сағат бұрын
Solar panels are the most efficient source of electricity. If one compares hydro with solar panels, he must calculate efficiency of solar energy evaporating water into clouds etc. which gives efficiency of less than 1% compared to 20-40% for solar panels.
@KF1
3 сағат бұрын
So what's the cost and lifespan comparison vs standard panels?
@blahdelablah
15 сағат бұрын
"In addition, encapsulated devices display excellent operational stability by retaining over 97% of their initial performance after 600 h continuous illumination". 600 hours is 25 days. If you assume continuous illumination in the real world of roughly 12 hours a day, you's still only looking at 50 days for the cells to drop 3% efficiency. Not exactly ready for the real world based on that one statistic, would need to see if the degradation was constant or whether the cell efficiency reached some form of stability.
@spadress
10 сағат бұрын
What about lifetime energy? Longevity was a problem with perovskites
@craigibbotson3501
15 сағат бұрын
If they are for sale in the Usa when will they be on sale in the uk?
@MrAdopado
12 сағат бұрын
They are not on general sale in the USA according to other comments here so presumably they are first going to commercial investors, those who put up some of the money to make the cells/panels.
@lagrangewei
13 сағат бұрын
33.9% is verified. however what the japanese competitor speculate they can compete against the chinese panel by maximising lifespan of their products; claiming their product can last longer. i am not sure if the japanese path of focusing on lifespan is better than efficiency... since that just mean slow ROI for the buyer... but it is interesting to see how they are trying to avoid direct competition with their chinese counterpart.
@AlfaStation1
10 сағат бұрын
Nice but how much of these new panels can be recycled? Traditional solar panels can be recycled for 98%. I'm guessing these P panels will need special glass which might make them impossible to recycle alltogether! 😢
@vitabricksnailslime8273
Күн бұрын
This polyfluorinated coating sounds a bit like another one of those "forever" chemicals. Any thoughts?
@incognitotorpedo42
21 сағат бұрын
That's a legitimate question. I found the paper and looked at the structure. It's only a trifluoromethyl, so not the perflourinated species (like perfluorooctanoic acid/PFOA) that people are concerned about. PFOA is very hydrophobic and has 15 fluorines, while a trifluormethyl is not very hydrophobic and has only three fluorines. Trifluoromethyl groups appear in a some pharmaceuticals, so they've been studied in great detail as part of the drug approval process.
@2ndfloorsongs
20 сағат бұрын
@@incognitotorpedo42Damn, you're one of the reasons why I love reading these comments. You know how hard it is finding someone who knows what he's talking about on the web these days, much less in a KZitem comments section? Oh, right, maybe you do... Well, anyway, just wanted to show my appreciation.
@rtfazeberdee3519
15 сағат бұрын
Does the solar panel still have a 25+ year life?
@alexogle8950
8 сағат бұрын
OK, let's "Just Have a Think"... The chemical used to improve the surface flatness contains thionyl and fluorine, both of which are extremely toxic and difficult to recover and recycle. Then, the longevity was advertised as a 3% reduction in efficacy after continual illuminaton for 600 hours (how bright/aggressive was this illumination?). That's 50 days. If we take the approach that every 50 days will cause 3% degradation then the treatment will be 50% effective after only 3 years. I know there is room for 'development', but the cheeky, chirpy, attitude of this video in amplifying the work of a Chinese group that has made a discovery when China as a whole is committed to increasing coal consumption for power is what's really causing me to "Just Have a Think".
@pixelfrenzy
2 сағат бұрын
If it were still "Hopium" would a German company be releasing it commercially in the US? Or is there a reason why they're not selling it in Europe first (cheaper shipping at least), such as advertising standards? Genuinely curious.
@playyourturntodieatvgperson
13 сағат бұрын
how does it affect the levelized cost of electricity? the whole point of solar is its cheap.
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