Scientists develop mega-thin solar cells that could be shockingly easy to produce: ‘As rapid as printing a newspaper’::These cells could be laminated onto various kinds of surfaces, such as the sails of a boat to provide power while at sea.

  • masterspace@lemmy.ca
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    11 months ago

    If it’s shockingly easy to produce then just do it and then you can write a declarative headline that doesn’t need to use the word “could”. If you can’t then I’m guessing it’s not that shockingly easy.

    • NocturnalMorning@lemmy.world
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      11 months ago

      I mean, even if it’s easy to do, that doesn’t mean a manufacturing process is easy to ramp up. You need equipment to produce it, and people to do it. Logistics of that isn’t like just turning on/off a light switch.

      • frezik@midwest.social
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        11 months ago

        Some people have never tried getting a product to market before, and it shows.

      • Tony N@lemmy.ml
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        11 months ago

        Without headlines, no investors. Without investors, no equipment. Without equipment, no product. Headlines like these drive investment.

      • BearOfaTime@lemm.ee
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        11 months ago

        I love shows like How It’s Made, you get to see the Rube Goldbergian systems that produce stuff we take for granted.

      • masterspace@lemmy.ca
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        11 months ago

        Yes, exactly. My point is that I’m tired of these bullshit headlines that are implying that we have some great breakthrough; unless the discovery also accounts for everything you listed, it’s not a breakthrough and we, the public, don’t need to hear about it just so that a newspaper can sell clicks and ruin trust in science.

        • Meowoem@sh.itjust.works
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          11 months ago

          Some of us like learning about science and technology, if you only want to know about products then watch adverts.

          The average person understands the difference between ‘will’ and ‘could’

    • KairuByte@lemmy.dbzer0.com
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      11 months ago

      To echo the other individual who replied, it’s shockingly easy to make injection molded parts, but there is usually a long process before you bring the final product to market. And that’s with all the manufacturing processes already existing at scale.

      In this case, the processes need to be fleshed out from scratch, which adds even more time to the ramp up. So even if the headline is 100% accurate, and there are no other roadblocks, it would still take a significant chunk of time to bring to market.

      • BearOfaTime@lemm.ee
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        11 months ago

        Time, money, man hours, etc, etc. All while still figuring out how to make it at scale and be able to sell it a a price that enables you to continue the business.

        It’s hard stuff, for sure.

    • Meowoem@sh.itjust.works
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      11 months ago

      Yeah, how dare they report on science and technology - I’ve barely seen a dozen articles about Will Smith’s personal life today, we don’t have resources to waste talking about successful research projects from MIT!

      When MIT get in a salacious romance scandal then they can have a bit of our precious media space but get the fuck out of here with your science bullshit nerds.

      • PsychedSy@sh.itjust.works
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        11 months ago

        For a while I was celebrating when I didn’t see Taylor Swift’s name in either the sports or entertainment heading on google news. And each heading only showed three headlines.

      • masterspace@lemmy.ca
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        11 months ago

        This isn’t science, this is engineering, and it’s crappy engineering at that.

  • PlutoniumAcid@lemmy.world
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    11 months ago

    “mega-thin”? Is that like “micro-large”?

    Pepperidge Farm remembers when journalists had a grasp of the language.

  • Burn_The_Right@lemmy.world
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    11 months ago

    This kind of affordable tech has been promised as “about to hit the market” since 2003. I’ll believe it when I see it on the market.

  • MeanEYE@lemmy.world
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    11 months ago

    This has its own applications but I can’t say I’ve ever heard anyone complain about thickness of solar panels. Efficiency, power generated, etc. Sure.

    • Dran@lemmy.world
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      11 months ago

      I don’t think it’s so much about thickness, but being super thin presumably means it requires less of a manufacturing process and also less raw materials. Could bring costs down on panels and make them more financially viable for projects.

    • tal@lemmy.today
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      11 months ago

      Although the cells can only generate half the energy per unit area compared to traditional silicon panels, they can generate 18 times more power per kilogram, Fast Company reported.

      For most users, I’d guess that unit area is more important. But for satellites, I suppose that as long as they can unfold, space isn’t really an issue. You’ve got all of outer space to spread out into. But weight determines a lot of the cost of putting the thing up in space, so you’d like that to be low.

      • frezik@midwest.social
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        11 months ago

        If they’re cheap enough, you can just slap them on any available surface that gets a marginal amount of sunlight. Doubly so if they’re flexible.

      • MeanEYE@lemmy.world
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        11 months ago

        Weight does play a huge role for satellites and to be honest I have very little knowledge of solar panels they use. However since solar sail is a thing, I’d argue surface is indeed a factor with satellites. But perhaps they managed to get some use there. There might be even other use cases I just didn’t think about. My original comment was mostly pointing out that thickness was rarely as big of an issue as it was efficiency.

      • tty5@lemmy.world
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        11 months ago

        For anything other than house roof solar price per kw is going to be the deciding factor. Rural land is very cheap compared to solar panels - we’re talking about a 100:1 cost ratio.

      • Kowowow@lemmy.ca
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        11 months ago

        Also I can’t imagine you’d want to add too much extra weight to a skyscraper

    • mortalic@lemmy.world
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      11 months ago

      Use cases increase if they are thin. Instead of limited to rooftops. For example, take a look at what Aptera is doing.

    • JungleJim@sh.itjust.works
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      11 months ago

      Clearly you’ve never owned an air fryer wanted a solar powered car. Or imagine shipping containers covered in these powering the trucks that haul them! Or trains! Even boats. Basically any kind of self powered transit, especially ones with greater surface area.

      Second edit: Another idea! Clingfilm solar panels for windows, or blinds and curtains that can power the lights!

      Or wind turbines skinned in thin, light, flexible solar panels. You’d double dip on energy per square meter. You could have a solar farm on a stick that also makes wind energy.

      • MeanEYE@lemmy.world
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        11 months ago

        If you dream of covering a vehicle with panels and have it driven by that power, I have to burst your bubble. That’s not even nearly enough surface to generate enough power. Perhaps assist in trickle charging battery, sure. But we already have flexible panels, even self-adhesive ones. And again, their biggest downside is not their thickness but efficiency. There will never be a self-propelled vehicle. Just a nature of things.

        As for window blinds, etc. There is already glass that lets enough light through and can generate electricity. Those are even worse when it comes to efficiency due to non-ideal angle, light passing through, etc.

        • JungleJim@sh.itjust.works
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          11 months ago

          “We already have technology that doesn’t do those things well enough, so this new technology that won’t see advancement ever has no chance of addressing these issues either.”

          Trickle charge is awesome. Trickle charge the semi during your 8 hour driving shift and then another 8 hours while the trucker is asleep. If that nets half a charge every other day, that’s a charge and a half a week. It’s not self powered like a perpetual motion device, those aren’t real. But regenerative braking is a worthwhile addition to an electric truck. Why wouldn’t solar paper or whatever we want to call it also be part of the solution?

          • MeanEYE@lemmy.world
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            11 months ago

            More like, it would take 8 days of constant sun to have an hour of driving.

              • lnsfwuser@lemmynsfw.com
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                11 months ago

                No, there is literally only so much energy radiated by the sun in a certain area. The number of square feet of roof on a car is just too small to propel it, even with magic theoretical 100% efficient panels.

                • UrPartnerInCrime@sh.itjust.works
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                  11 months ago

                  You do know cars don’t have to move all the time right? If I was on a road trip and got stuck because of no juice for whatever reason, I would be able to camp wherever I am for a couple days and then have enough to move.

                  Your thinking is pretty small minded

              • frezik@midwest.social
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                11 months ago

                As outlined elsewhere in this thread, you’d have to move the Earth closer to the sun for this to be feasible. You can only get so much solar power as it stands, and even 100% efficient panels would only go so far.

          • frezik@midwest.social
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            11 months ago

            There are physical limits at play to how much power this can provide. No amount of technological improvement can break them.

            Imagine the driver plugging in the truck during the 8 hours while they’re asleep. That’s an achievable goal.

            • JungleJim@sh.itjust.works
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              11 months ago

              Here’s a video of a camper van with traditional solar panels on the roof using a slide-out awning technique.

              https://youtu.be/Ev5C9gf0zFc?si=97piy-3mV9TIsRlu

              You might say that’s impractical for regular use. Sure, it is, but your previous argument was that is was impossible due to physics, which the video clearly shows isn’t physically impossible, so we’re already much closer to a reality. I’m not saying it could drive forever without stopping or be the only power source. That’s silly. But if it reduces the need to charge from a grid by X% it can be a useful technology. Go on now and tell me how it could never ever work.

              • frezik@midwest.social
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                11 months ago

                A camper van. Which has electrical use for things besides turning a motor. Yeah, that’s useful, but it doesn’t exactly help your case.

                Under optimal conditions, the sun gives us 1000Wh per square meter. Let’s say you have a 100% efficient solar panel. A semi truck trailer has a max of 42 sq meters on top of its trailer. So you get 42kWh out of this.

                It takes about 280kWh to keep a semi truck at cruising speed on the highway. Thus, in this most optimal scenario, it would give you an additional 15%. Even this assumes there is no additional aerodynamic drag from the panels, mounting hardware, or wiring. It wouldn’t take much to completely blow that 15% away.

                If it’s a cloudy day, all of it is now deadweight, and now hurts more than it helps. If you don’t drive on the equator, its output drops and it now hurts more than it helps. If you have solar panels that actually exist that do around 20% efficiency instead of 100%, it now hurts more than it helps.

                I guess we could move the Earth closer to the sun. Won’t help our global warming problems, though.

    • Treczoks@lemmy.world
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      11 months ago

      First, the thickness factor plays into flexibility. Just imagine surfaces of every shape being covered in solar cells. Flexible panels could also be less prone to breakage.

      Second, with “as rapid as printing a newspaper”, this might be a major cost-reduction thing, even on top of the process needing less high-pure Si material.

      This might make solar power generation more attractive even if the efficiency would be lower than other methods, because this would drive the ratio $/kw down.

      • MeanEYE@lemmy.world
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        11 months ago

        Kind of like these? Flexible solar panels are not a problem. And no, being newspaper thin will never be stronger than mounted on rigid surface. If it bends it has a definite limit in number of times you can bend it.

        As for “printing a newspaper” and rapid production, when I see it I’ll believe it. At the moment it’s nothing more than speculation as they themselves have not made it yet. Every manufacturing process starts slow and then speeds up as process is optimized. The problem is whether there is a financial incentive to start producing in the first place.

        • Treczoks@lemmy.world
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          11 months ago

          By “flexible” I did not imply “use it as a hinge”. It was more like: “you can install it on a non-flat surface”, e.g. by gluing it down. Now that surface would provide the needed overall stability. Imagine having you cars roof and engine hood being completely covered in solar cells - or basically be a solar cell. No, you would not be able to drive it as an EV with the amounts of power provided, but it could trickle charge a battery, or power a fan in hot weather so the interior will not be boiling when you return to your vehicle after a day at work.

          • MeanEYE@lemmy.world
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            11 months ago

            We already have the panel type which is glued on. But I guess it remains to be seen whether there’s a financial incentive to mass produce this.

      • MeanEYE@lemmy.world
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        11 months ago

        Which would all be a valid concern if you had to carry them all the time or bend them. There are flexible solar panels which you can glue on roof of your boat or car though.

    • SCB@lemmy.world
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      11 months ago

      It’s a different process. Multiple processes with varied applications are absolutely essential to making this style of solar the norm

      It’s a great thing that this particular field continues to see innovation.

      New process

      Scientists used electronic printable inks, using a technique similar to how designs are printed on t-shirts. As these thin solar cells are difficult to handle and can tear easily, scientists searched for a lightweight, flexible, and resilient material that could adhere to those solar cells. The fabric they chose was Dyneema Composite Fabric, a material known for its incredible strength.

      After printing the electrodes on a flat sheet of plastic, they glued the sheet of plastic on Dyneema. Lastly, they peeled away the fabric, which has picked up the electrodes, leaving a clean sheet of plastic behind.

      Your linked process:

      The organic solar cells being deployed have been printed on laminated polyethylene terephthalate (PET) plastic by a printer formerly used for wine labels.

      The 18 metre long ultralight and ultraflexible strips are similar in thickness and appearance to a chip packet, the university team have said.

      • Peppycito@sh.itjust.works
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        11 months ago

        The fabric they chose was Dyneema Composite Fabric

        As a fabric geek with a cut/sew shop working on marine canvas, this gives me a raging boner. The panel making process might be cheap but I’ll tell you dyneema fabric isn’t. Bet there’s great mark-up on it though! 🤑

    • TheFriar@lemm.ee
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      11 months ago

      We do love “discovering” other peoples things and claiming they’re “the new _____”

  • trackindakraken@lemmy.whynotdrs.org
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    11 months ago

    Man, y’all a bunch a grumpies.

    This technology doesn’t hinge on what we here believe or predict. It will happen or it won’t.

    We could speculate on how cool it would be, and how it could be used if it happens, instead of pooh-poohing it.

  • Zaddy@lemmy.world
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    11 months ago

    You guys realize that this is a significant step towards having moving pictures like in Harry Potter right?

    • Peppycito@sh.itjust.works
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      11 months ago

      If it’s true you can print it on cloth, and it has reasonable longevity, sailors will be buying the shit out of it.

    • Meowoem@sh.itjust.works
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      11 months ago

      I love when people act like progress never happens, we’re in a world where developments happen so fast it’s impossible to keep up with a single field of development because so much new stuff is happening but sure anyone interested in the emergence of printable pv is a rube…

      I see the same in ai discussion, I use it when coding all the time but every article about a new development has someone saying it’s useless and a gimmick.

      Rapid deployment solar is happening whether you like it or not, the science has been building for a couple of decades and every interesting new study and development opens up new avenues of possibility. This will be a game changer in many situations and it’s something we can see getting closer, studies like this are so interesting because we can see which avenues things are likely to take and consider how it would affect things.

      We have a tendency to think of science as someone waking up and inventing something and then it’s ready to hit the shelves but it’s never worked like that. If you’d been reading the news when photography was new you’d see endless news stories about progress towards colour photography, about potential methods and means of a making a single plate colour image - famously you’d have also seen discussions in the letters section of the Times between some of the chemists that’d go on to actually solve it.

      Progress happens, science happens - sure you don’t care that they found a way of transferring printed solar onto fabric which avoids the need for the fabric to be able to endure the entire fabrication process but it’s actually a pretty cool thing. The article is kinda dumb I really don’t think this process will hold up to the intense sea air and mechanical stress of being a sail but for simpler uses such as an awning cover over carparks or even better train lines its likely to be very useful - imagine being able to generate the power for electric vehicle charging or train travel simply from a fabric roof which also shades the area from hot sun.

      A process that makes the current chemistry cheap and fast to print onto a useful material is a big thing, not as huge as extending the working life of the materials but by being easier to make and replace we might find that there are a lot of uses for rapid temporary deployment of PV in situations like disaster zones but also in seasonal infrastructure which is especially important for things like music festivals, holiday locations (which see power usage vastly increased when tourists are in town), and travel routes.

      • emptiestplace@lemmy.ml
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        11 months ago

        It can be as plain as “we literally couldn’t do this last week” - like when we invented grass that doesn’t need to be watered - and people will be there to tell you it’s shit and you’re incompetent if you feel otherwise.

      • Phoenixz@lemmy.ca
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        11 months ago

        Yeah, you’re missing the point that this is a shouting headline that I’ve read about 50 times in the past ten years at least. Progress happens, I’m sure, I neo t say it doesn’t. This, however, is sensationalist bullshit, not progress.

        • Meowoem@sh.itjust.works
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          11 months ago

          I think you probably don’t understand the article because you only read the headline, the actual study is very interesting and solves a problem that was often talked about before. Those of us with an interest in this field recognise the advancement that’s been made are are interested in the implications,

          The headline is like if every article about CERN, James Webb, and any other physics study was titled ‘could lead to unified field theory’ or if every time anyone releases a new machine learning model the headlines were all about AGI - Oh yeah, they do that one too…

          So yes it’s a bad headline but it’s great science and we really are making great progress with printable PV - there will come a time where you start seeing it everywhere.

          Much like AI people have known that the relevant breakthroughs have been coming for a long time but it’s not until a certain threshold is met that we see companies scrambling to stake their claim. Someone will make a factory producing one of the various printable PV methods and market it to a suitable situation, people will find other uses for it also besides the initial market and as demand becomes established others will leap on and start making their own variation.

  • PatFusty@lemm.ee
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    11 months ago

    I would imagine it could only be useful for 30 minutes before the cell would be unusable. Arent solar cells just P-N junctions where if it is really thin it would just run out of holes to fill?

    Edit: why am I being downvoted? To my limited understanding from my electrochemistry courses from 10 years ago, photovoltaics depend on the density. Theres only a limited amount of free electrons and only a limited number of free holes. The thinner the material the less likely an electron hole can get filled with whatever N-doped semiconductor used.

  • ExLisper@linux.community
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    11 months ago

    What? Newspapers not rapid. They are printed only once per day because of all the writing and editing that’s required. Do it any faster and you’ll end up with lot’s of typos and factual errors.

      • OneCardboardBox@lemmy.sdf.org
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        11 months ago

        Yeah, but do you want to be the person who has to fact-check every photon that hits these solar cells? I’m sorry, but a lie can radiate from the surface of a star and power your vehicle before the truth can even put its shoes on.