Solar energy is the only energy source that we can rely on to survive in the future. We would like to maximize the utilization of solar energy so what we have achieved here is colored solar cells you know the red stripes the blue background they are actually working solar cells. You want this material semiconductor material to absorb all the light and that's why the traditional solar panel they look black. They probably can only be installed on the rooftop because nobody's going to put these black panels on the side of the building or windows.
The rooftop area is very limited, however they are huge amount of surface area on the side of the building not only the exterior but also be interior of a building. There are ambient light that we can harvest. You want a structure to be able to absorb this light but also as a decorative item. sounds of lab What differentiates our work from work in other labs around the world most of us Connor solar cells that produce color is because the material itself that is used in building the solar cell.
They are colored but the color will be depending on your viewing angle. So depending on whether you look at from the front or the sideway the color changes yeah for this type other decorative solar panel we wanted the color to be independent of your viewing angle so here we actually borrowed a new concept and that it has to do with very thin light absorbing semiconductor on top of a metal and that produce a special optical effect that allows us to make the solar panels that whose color doesn't change.
In our solar cell we actually go one step further we have two different versions one is semitransparent and it can be made in different colors as well and the other one is purely a reflective so you can make it into a picture you know for example we made a nice U of M logo. There is a tradeoff between the multifunctionality the solar cell have versus, you know, the highest efficiency one can achieve. The black solar cells absorb the whole spectrum. A colored solar cell for example it absorbs onethird.
Of the light right I'm passing the other light that I means that the solar cell efficiency maximum will be onethird of a black solar panel can produce but on the other hand by making this multifunctional I hope that it can expand the scope of applications rather than just the rooftop in a modern home we want a lot of things to be a beautiful by why not make it was on multifunctional, not only a decorative item but can also produce electric power. V.O, In a quantum computer we don't have bits of information we have something called a.
Why Should We Launch Solar Panels Into Space
This episode of DNews is brought to you by Full Sail University. This week the Japanese Aerospace Exploration Agency announced it wants to get solar power from space. I'm having flashbacks to disasters from SimCity2000. Hello! I'm Trace. Thank you for watching DNews. Back in the 1960s, American aerospace engineer Peter Glaser proposed launching solar panels into space, and beaming the power they collect back to the surface for our use. Since the late 60s the idea has been in a holding pattern mainly because of the expense and worries about maintenance and equipment, but thanks.
To recent developments in solar panel tech the Japanese space firm JAXA says they can finally try it. The plan is ambitious at minimum and cost hasn't yet been calculated, BUT JAXA is determined, and they're not the only ones. The U.S. Naval Research Laboratory is also interested in spacebased solar. The reason everyone's looking up, is because that's where the sun sits! If we can put a satellite in orbit to collect the sun's rays BEFORE the atmosphere filters them out, and without the worry of a cloudy day, that would be rad. The JAXA Space Based Power System.
Or SBPS will orbit 22,400 miles up, and if done to their specs, would completely replace a nuclear power plant by producing 1 gigawatt of electricity enough to power halfamillion homes. Their plan uses a 10,000 metric ton system, which is. well pretty ridiculous. The largest rocket ever launched was the Saturn V it took our boys to the moon and could only lift about 130 metric tons. Once the power is gathered, a converter in space will convert the electricity into a microwave beam not like in your house, literally waves of energy that are.
On the micro scale. Microwaves can be converted from energy at 80 percent efficiency, which means there would be some loss, but it would be pretty damn efficient about 48 of the power collected would reach consumers. Which doesn't sound great, but it really is. To make sure the array is getting sunlight 24hours a day, JAXA plans to put mirrors on either side of the planet to reflect sunlight at the collector all the time. The Japanese are announcing their plan so far in advance in the hope other countries.
Will gather and help realize the dream of solar from space. Once created, it could provide clean, unlimited energy anywhere on the planet, regardless of remote location. Here's the kicker. It would cost about a trillion dollars. Which sounds like a lot, but it's like 125 bucks per person on the planet in 2030. And that's WAY more than you're paying doe your power bill. Not to mention oil wars and all the pollution, ecological damage, mining and drilling that goes with fossil fuels. We've got commenting areaaassss, check them out and type your feelings on spacebased.
Solar so we can all talk about it! None of this would be possible without computers to run the system, and we need people to write the computer programs. Full Sail University in Florida offers courses to help train tech professionals by blending code and realworld experience. Students of Full Sail have handson access to technology on their first day, get a discounted laptop and all the software they'll need to earn degrees in software, mobile and web development. To find out more and support the show go to fullsail.edudnews! Thanks.
SelfCleaning Solar Panels
Most solar installations happen to be in really arid regions where you have a lot of dust in the atmosphere. That dust gets deposited over time onto your solar panels and that lowers the efficiency of your solar station. That might not sound like a big deal, but if you have millions of square feet of solar panels out in a desert that ends up really costly, especially if water is a scarce resource. So, what we're looking to do is use a more efficient method by using just a small amount.
Of electricity to statically push the dust off the surface of the solar panel or the solar mirror. So this sort of looks like the back windshield of your car where you have those heater strips, those lines that go all the way across. What we do is we just put them at a voltage. So we sort of charge them up to a very high voltage, to about 1200 volts. And what that does is that creates a big electrical field and that electrical field charges and then pushes away the dust.
And in order to efficiently push it away, what we do is we have three different sets of fingers that are all connected and each one is a different phase. So by alternating the order in which we turn them on, we create a wave that travels across the screen and charges and pushes the dust off. And it's actually a really small amount of energy because we don't complete a circuit. We're just charging up those lines. So the load on our power supply is what's called a capacitive load. We're not actually.
Clean Energy Made Easy with SolarCity See How Solar Energy Works
More homeowners have partnered with SolarCity than any other solar provider. In fact, every five minutes someone switches to cleaner, more affordable energy with SolarCity. From the experience of installing tens of thousands of solar systems, our team of clean energy professionals has created the most sophisticated project management system in the industry. We plan and supervise your project to ensure sure your switch to clean power is quick and easy. Our consultants start by using our proprietary software to analyze your current energy bill and recommend a solar plan that will lock in a more affordable energy rate for years.
To come. From the get go you can trust our customer care team to map out your installation, coordinate with all the team members involved and take care of all necessary permits and inspections. You'll even receive a personal SolarCity web portal where you can track project status from your smartphone or computer at any time. One of our site auditors will visit your home to take measurements and gather technical information. They carefully evaluate the specifics of your home to ensure the final product will match your energy and esthetic needs. Our best in class inhouse engineering team will.
Then use that information to custom design your system. We take care to design a system using SolarCity sleep mount that will last for decades to come. Once complete we submit the plans for the local permit and your HOA approvals. SolarCity's team has extensive experience and best practices that we apply towards installing your system. A typical installation takes one to three days. All installers go through rigorous training and background checks and follow procedures and quality requirements that ensure your system will stand the test of time. After the system's installed, we'll schedule inspections with your local building department and implement.
How Solar Energy Is Converted To Electricity Through Solar Panels
Sunlight is made up of tiny packets of energy, called photons. Every minute, enough of this energy reaches the earth to meet the world's energy demand for a whole year. Photovoltaic panels consists of many solar cells, these are materials made like silicon, one of the most common elements on earth. The individual cell is designed with a positive and a negative layer to create an electric field, just like in the battery. As photons are absorb in the cell, their energy causes electrons to come free. The electrons move towards the bottom of the cell, and exit through the connecting wire. This flow of.
12 volt DC charge SYSTEMS electric boat Home made Flexible SOLAR PANELS solartekTV
Alright. We're gonna go ahead and mount. this 5 WATT panel. that we, fisnished making here a little while ago and uh. this one runs at about twentytwo ta twenty four Volts,. DC direct current and it's actually going to a charge controller uhh, It'll max out 14.2 volts,DC and, we're gonna go ahead and mount it here on the 1060 Surge right on the inside gunnel. aka or the rub rail. try to center it up a bit use number 6 screws.gonna start right here in the middle. 12' length screw, 6.
Cinch it up. don't make it to tight. looking pretty nice. remember, your just cinching it up there. lets take a look here.oh yeh. gonna use a slightly larger screw head here. and. rememeber , jst cinching it up there, doesn't have to be to tight. alright well. that one's installed! looks pretty good! just gotta wire it in. actually, we're gonna wire it in at the two solar panels that we've already got installed wire it in parallel. this will add about a quarter amp of current I'd say about.point 2. the most.amps of current.
Burning Stuff With 2000F Solar Power!!
In a previous project I found a free tv and turned it into a giant solar scorcher. This shoots out a deadly beam of sunlight, that's hot enough to abuse food, melt metal and burn things you probably shouldn't. Today seemed like a good day to play with my Solar Scorcher. I positioned my frame and found the focal point, then added some concrete tiles as a base for my projects. Ok, I've got power, and I'll test it out with this piece of wood and when the light makes contact.
I've got instant fire. The sunlight at this spot is around 2000 degrees Fahrenheit, enough to melt this spot of concrete into a glowing orange liquid. I'm curious to see what I can do with all this heat so I've filled a glass bottle with water and I'll punch a hole in the cap. It's incredible to see that the instant I focus my lens on the bottle, it starts smoking. Just a few moments later this water is so hot it's boiling, and I'm a little nervous the bottle might blow. Yep, there it goes. The glass pieces are melting and that's cool,.
But now I want to try this on some food. I'll get some hot dogs, and when they hit the beam they really do get hot. This might be a little well done for my taste, and I'm still hungry so let's try an egg. The egg is actually working very well. It's so reflective it doesn't burn as fast, and even my wife is interested. A little salt and pepper and it's tempting to try a bite. Ok, so I wasn't actually expecting to eat this, but it looks safe enough, and.
Even my kids are anxious to try. Surprisingly, it's pretty good. Alright, let's see what else this will do. I'll try burning a penny, and, wow, it melted. How about a stack of pennies Yep, they're nothing but liquid metal now, and I'm thinking that slag in the mixture must be what's left of the copper coating. It's only taking about 4 seconds to melt these, and melting metal is really great, but now I want to see something burst. I wonder what would happen to this egg It's spewing some kind of debris and smoking like crazy. I hear.
Some little pops and it's even forming some interesting growths. huh, Look at that. But no explosion. How about if I put a pop top on this bottle of water and let the pressure build up Yeah, that's what I'm looking for. Let's do that again. The lid is back on, and pressure is building. Awesome! Alright, the sun is setting and I've readjusted my Aframe. I'm just wondering if this would ignite gasoline. It does. Hopefully it goes without saying that this is very dangerous and you shouldn't try this at home. Well, I'm convinced there's.
An insane amount of power behind these lenses. If you'd like to see where I got this one, take a look at my tutorial on how I hacked it out of an old TV. This one boiled water in less than a minute, welded a nickel to concrete, and instantly torched any piece of wood in it's way. Well that was fun, but I'm still hungry so I'll put everything away and go get some real home cooking. That's it for now. If you liked this project, perhaps you'll like some of my others. Check them out at thekingofrandom.
UKs John Anthony Talks Organic Solar Cells and Transistors
VO University of Kentucky chemistry professor John Anthony is making lowcost solar cells and transistors out of carbon, instead of silicon. Carbon is a lot more versatile than silicone. Silicone is basically a mineral, it's a rock. Which means you are very limited in, how you can shape it. In order to get the silicone they use in a solar cell, you have to take sand and heat it with coal at thousands of degrees. Carbonbased materials can be processed, they can be molded and shaped at much lower temperatures.
Right now, we're working on what's called a bulk heterojunction organic photovoltaic. That's a lot of big words strung together to describe a process that is ridiculously simple. You take a transparent conductor and you basically slather these organics on from a solution like an ink and then the materials just spontaneously selfassemble into a working solar cell. One of the grants we just got funding for, we're trying to get a little more sophisticated in using inkjet printing techniques to make organic solar cells. You'd put a transparent conductor sheet of plastic which are easy to make into an ink jet printer and use some.
Of our proprietary inks and zzzzz and out the other end pops a solar cell. What can we do on a big scale The dream I have is there are a lot of printing plants that are used to printing highresolution, fullcolor images that are idle, so if we can just design inks to make solar cells that way, think of the speed at which you could just start printing off solar cells. Lightweight, flexible, you can put them on anything. You know you can coat the windows of skyscrapers with solar cells and start generating some.
The energy that's used to cool down the skyscraper. So there's a lot of potential if we just get the scale up. VO Outrider Technologies, a company formed in 2005 based on Anthony's research, is making organic transistors for flexible, flat panel displays. We've been able to put transistors, basically, integrated circuits on saran wrap, so plastic that's thinner than thiswe can wrinkle it up and crumple it and it still works. We actually just submitted this for publication to one of the nature journals. So we know we can do the basic circuitry and that it's stable, it doesn't die when you crumple.
It up and fold it up and stuff it in your pocket, right. Then next question is can we get the performance out of it And that is where a goodsized effort of my research group is now turning its attention. VO With grants from the Navy, NSF and industrial sponsors, John Anthony's research team recently moved into the new laboratory building at the UK Center for Applied Energy Research. Now that I'm out here, I've basically doubled the number of current, active research grants. Just because now I have the space to support people.
What we have to do as chemists is, we have to figure out what needs to be made, we have to then figure out how to make it, and then we have to do the initial screening to see if it's going to have the right properties. My graduate students in my group, right, they need to know an awful lot of physics, they need to know a lot of electrical engineering, they need to know a lot of materials engineering, in order just to figure out what molecule needs to be made and then all of their chemical.
Knowledge can come into play. There are few things better in the world than having a different point of view. I really like having ideas thrown at me from every single direction and using those ideas to feed into new projects. I can't tell you how many new projects and how many grant dollars have been brought up because I've gone to a seminar that's completely out of my area. And hearing somebody complain, saying, you know we could really advance this field if only we could do this. I know how to do that. And a new collaboration is born.
How Solar Panels Are Made In America A Tour Through A Solar Panel Factory
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What Are Solar Panels Made Of
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