How Scientists Achieved 39.7% Efficiency [2020]

How Scientists Achieved 39.7% Efficiency [2020]

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A new solar cell technology has broken the old 22% efficiency record, all of that with a 6-junction solar cell design, something that was thought unachievable for the past decade.
Developments in production methods of the famous III-V group of Semiconductor elements (IUPAC 13-15), was able to arrange them in unique ways to generate this amazing technology, all thanks to their distinctive alloy properties.
Groups III-V of the periodic table are known for their special characteristics that, when combined, produce a wide range of energy bandgaps that can be used in multitude of different electronics devices.
The most commonly known combination is Indium Gallium Arsenic or InGaAs …Fart noise… which is widely used in solar panels. In this new research they explored other elements of the group with a variety of combinations which ultimately increased solar panels conversion efficiency to a whopping 39.2% efficiency at one-Sun.


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  1. Denis Stanley on April 13, 2021 at 11:59 pm

    Solar is great in the days when few clouds or rain . My solar panels on my yacht after 10 years are useless and cracked. Im looking at tried tests panasonics and quality controllers for my yacht. Not that expensive but forget the promised long warranties and read the fine print. A mate dumped 6 panels that were 2 years old as they all had cracks in them. Also his main controller died and took 6 weeks for a replaxement. Im thinking of adding a small wind turbine. Also you may need to clean the solar panels every forthnight depending on where you are. The seem to attract dust and dirt and this reduces their performance considerably. I do not see solar panels or wind turbines saving the planet. Maybe nuclear power stations are the answer for clean regular energy.

  2. Alexis Rocheleau on April 13, 2021 at 11:59 pm

    Great animations, but i think you should try simplifying the science, not everyone is an engineer! The channel Real Engineering does this very well you could check him out.

  3. Matt Orourke on April 14, 2021 at 12:02 am

    How the hell does he know all of this. God I wish I was that smart

  4. Derick Monteiro Oliva on April 14, 2021 at 12:02 am

    Is missing a peltier cell layer to take the better of the lost heat. And this whole set floats in the chilled water naturally.

  5. Peter Wagner on April 14, 2021 at 12:04 am

    Many (~25) years ago I was rousting around in the NREL library in Golden, CO when I came across a study that stated until the efficiency
    hit 25% solar panels would not be cost effectively competitive with traditional energy. Take away the subsidies and that still holds true today, although with the declining $/W costs the payback period is getting reasonable. However, with the creeping efficiencies and ever declining $/W costs, it’s getting closer to a "no brainer." Now if the batteries would just keep up…

  6. ojoreakatheoj on April 14, 2021 at 12:05 am

    Conversion efficiency better than plants? 🌱

  7. OLD Fighters on April 14, 2021 at 12:05 am

    When our good engineers are making sea cargo ships/bulk carriers, running with electric batteries combined with solar power?

  8. Billy Andriamahazomandimby on April 14, 2021 at 12:05 am

    Great great great video but I don’t understand why he talks about LG Neon but fails to mention Sunpower’s Maxeon 3 cells which are repordetly better.

  9. Robin mozilla on April 14, 2021 at 12:09 am

    at least 80% efficiency is possible I know this, printscreen this and in 2030 you’ll see I was correct.

  10. F-zero91maru on April 14, 2021 at 12:10 am

    The whole World and humankind needs solar panels or any energy efficients.

  11. Farhan Rafid on April 14, 2021 at 12:13 am

    The "funny" sound effects sometimes feel loudly irrelevant. probably heard them since 1990s. Can you please try "siren sound effect"?

  12. Fukushima is Revelation on April 14, 2021 at 12:15 am

    200 watts per square meter 20% efficiency, so 400 watts per square meter at 40% efficiency?

  13. MinNyeAccount on April 14, 2021 at 12:15 am

    what is 1000 suns

  14. Gene Raza on April 14, 2021 at 12:15 am

    If you use solar reflecting material to concentrate the sunlight onto the solar panel, you can obtain more power output from the solar panel. In fact, you can overdrive the Solar Panel beyond it’s specifications.

    You must be careful not to allow the solar panel to reach temperatures higher than the Solar Panel safe operating temperature in the Solar Panel’s specifications.

    A good heat sink system placed on the back of the Solar Panel, and additional water cooling, can facilitate heat transfer to harness the excess heat and also channel heat into a hot water system.

    I first tested this out using small Solar Panels as a hobby project 35 years ago, and it works. My aim was to create a Solar Panel that could be driven to become as close to 100% efficiency as possible.

    My findings also led me to conclude that the faster you can remove heat from Solar Panels, the more light they can absorb, and the more power can be generated. The key is the Heat Exchange System.

    At the very least, Solar Panel users should seriously take this into account as it could save you dollars for those people who operate in very cold climates most of the year. It can save you dollars on buying extra Solar Panels.

    Does anyone now if NASA currently uses Outer Space Thermal transfer systems to cool Solar Panels down and make them more efficient?

  15. ASIF ALI on April 14, 2021 at 12:18 am

    InGaAs is the future ….from SPINTRONICS to optoelectronics

  16. Ronald Garrison on April 14, 2021 at 12:18 am

    With 40% efficient PV, yes, I’d say fossil fuels are getting whopped.

  17. Casey Hunten on April 14, 2021 at 12:19 am

    We need more of this tech!

  18. Harrison Barnes on April 14, 2021 at 12:19 am

    Texas we need to use this for our solar farms and sell energy to the nation! We have to show them that we can have the best solar grid in the world. We have the space to make the solar farms and to pivot from gas sales to solar sales. Contact Elon Musk for help, Thanks!

  19. Matt Hautzinger on April 14, 2021 at 12:20 am

    Hey, we’re now calling it the detailed-balance limit, not Shockely. I agree with this report:

  20. Balancing Life on April 14, 2021 at 12:20 am

    Just made my video on solar with a 500watt bi-layer panel

  21. atsimas on April 14, 2021 at 12:20 am

    Subtitles please!

  22. alx bd on April 14, 2021 at 12:24 am

    🌞 💪…!!!

  23. Withnail1969 on April 14, 2021 at 12:26 am

    this is a lie.

  24. John on April 14, 2021 at 12:26 am

    These things are toys destined for the garbage dump in 10 years.

  25. TrinidadLink Live Repairs on April 14, 2021 at 12:27 am

    Wind and hydro is better.. Gravity and the atmosphere never turns off or gets blocked… It’s smaller cheaper lasts longer and produces more.. DAY AND NIGHT…

  26. Free Game on April 14, 2021 at 12:30 am

    The best thing about teaching yourself this shit on YouTube is that you don’t end up with tuition costs.
    And Thank GOD we don’t have to take a quiz at the end of this damn video!

  27. Tom Crockett on April 14, 2021 at 12:30 am

    What if you put micro dimples on the panel?

  28. in God we trust, gacha tuber on April 14, 2021 at 12:31 am

    Solar should be truly affordable for real, not just on paper.

  29. n00byn4t3r on April 14, 2021 at 12:32 am

    Your cost calculation does not hold up. Solar panels of about 200W/m^2 cost in the range of 120-150$ per panel (all black even, I’m sure blue and silver panels are even cheaper) and not upwards of 800$. These kinds of misconceptions unfortunately greatly hurt the adoption rate of solar panels by home owners.

  30. KD on April 14, 2021 at 12:32 am

    Great 40%, for how long? 1 year, 2? What’s your efficiency curve look like

  31. Jocelyn Joseph on April 14, 2021 at 12:34 am

    The ups needs to be upgraded as well. At the research Center I run, the ups runs on energy from the sun. It doesn’t need extra power from mains to charge the battery at night. It has better load distribution technique. SJRTC, #21, RA rd., BLR, IN 560047.

  32. Châu Kỷ on April 14, 2021 at 12:36 am

    If only they could keep this efficiency during the night…

  33. Saharin Cuker on April 14, 2021 at 12:36 am

    Kudos for the Video! Sorry for chiming in, I am interested in your initial thoughts. Have you thought about – Schallingora Computer Reconstruction Scheme (do a search on google)? It is a good exclusive product for saving money on your electric bill using this simple technology without the headache. Ive heard some decent things about it and my buddy got cool results with it.

  34. Mark Maxwell on April 14, 2021 at 12:39 am

    The average at the moment seems to be 25% …

  35. SINGKEW LAW on April 14, 2021 at 12:41 am


  36. SoloSailor sv on April 14, 2021 at 12:43 am

    "Efficiency" starts with the house and appliances and the user.
    Why are efficient chest freezers, vacuum panel insulation, LED lighting and passive heating/cooling NOT discussed? Marketing hype and profits
    (no, "energy star" is not even close to best efficiency)
    A smartly designed house (Michael Reynolds for example) just isn’t legal in most cities.
    We have DUMB Building Codes houses, yet park Smart Cars in them
    The "tech" is fun, but its the USA bureaucracy that needs "Development"
    yes, i went pure solar in 1998 when it was 7$/watt (no incentives/free money), with hyper efficiency ‘everything’ first…because i value Freedom (evidently, more than most people)

  37. Isaac L on April 14, 2021 at 12:44 am

    0:50 InGaAs, more like "In ga ass"

    Nothing to see here move along.

  38. A Mohamed Nazel on April 14, 2021 at 12:46 am

    houses could be built on hydraulic bases to rotate the house to capture more solar and wind power also..

  39. Rushikesh Space. on April 14, 2021 at 12:47 am

    Nice explanation with best videos 👍 Share more ideas like there for the new technology

  40. Rob H on April 14, 2021 at 12:47 am

    He might as well be talking about the turboencabulator.

  41. Prashant Chhonker on April 14, 2021 at 12:48 am

    How do we verify what is being said in this video?

  42. Hesham A.kamel on April 14, 2021 at 12:48 am

    next time , do a subtitle and thanks for the vedio

  43. aust hayes on April 14, 2021 at 12:49 am

    I will blow everyone’s mind with my solar panels! My company will change the world for the better.

  44. Fahad Amir on April 14, 2021 at 12:53 am

    So mars us further away from sun…. Hmmmm😂

  45. Mike White on April 14, 2021 at 12:53 am

    But solar still will not be affordable. Solar will remain not monetarily efficient. Remember when they said getting 20% efficient would make it affordable.

  46. Copisetic 1 on April 14, 2021 at 12:54 am

    Great, now 10 years to market.

  47. Joshua Kiser on April 14, 2021 at 12:54 am

    Opinion here. I don’t care. Efficiency only matters in extreme environments like space or severely limited applications like mobile ones. I wish they would concentrate on cheaper solar panels made of materials that can be recycled. Currently they are a ticking time bomb waiting for the dump unless we figure that one out.

  48. Vedraj r.m on April 14, 2021 at 12:58 am

    What does 1000 suns mean?
    Is it referring to the concentration?

  49. Bill Lyell on April 14, 2021 at 12:58 am

    Solar panels can’t compete without heavy tax rebates that is saddled on the poor taxpayers. No then repeal all the tax breaks and lower our taxes!
    They are made from toxic materials that put lead water pipes to shame. The well documented green energy dirty secret.
    Solar is great for off grid applications but does not scale with our current technology.
    And that isn’t even discussing toxic electrical storage medium we use. Why is limited lithium or dangerous lead acid used instead of safer Edison batteries? Corporate greed that doesn’t want to sell batteries with lifespans of many decades.
    Shall we discuss the 3 to 1 conversion of pv into thermal? Where are the cheaper thermal-pv panels to address the issue? They are stifled by government interference using tax breaks to slow innovation and keep the corporate status quo.

  50. suraj hanmar on April 14, 2021 at 12:59 am

    Hahaha fun to know though
    Hope this comes soon

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