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What Does Solar Panel Efficiency Mean

The Future of Solar Energy is TINY Technology!

The future is huge for tiny technology. Miniaturization is, perhaps ironically, a huge deal. I mean, without it we wouldn't have had the personal computer revolution and we wouldn't have this world we live in now, where we have smartphones and tablets and other devices just as powerful as a computer, that can fit in the palm of your hand. But even these gadgets are gargantuan compared to nanotechnology! See, a nanometer is just one billionth of a meter. And that's kind of hard to imagine, so let me put it to you this way.

Your typical sheet of paper is about one hundred thousand nanometers thick. And at this scale, individual elements are so small you can't even see them with a light microscope. Now as we learn more about how materials behave on the nanoscale, we have more potential applications to use that knowledge practically. I'm talking about how nanotech could help solar panel technology. And fortunately, at a recent meeting of the American Association for the Advancement of Science, or AAAS, they had a panel on just this very subject. Now if you know anything about solar panels you know they have some drawbacks. For example,.

Efficiency they max out at around twenty percent in the field under ideal conditions. They're also rigid, so you can't just put them anywhere you like. And they tend to be expensive because manufacturing them is complicated. But scientists hope that nanotechnology can help address all three of these challenges. Now with efficiency they're looking to nature specifically, moth eyes. You see, moths have these little tiny structures in their eyes that help reflect light back into the eye and it does two things it lets them see better in the dark, and it cuts down.

On reflection so predators can't spot them as easily. With solar panels it could actually make them more efficient by reflecting more of the sun's light into the panel so you lose less in reflection. And when we're talking about flexibility, well nanomaterials are really, really small, and there is the potential to create solar panels that are just a few sheets of molecules thick. They could be as flexible as a sheet of paper, and with that kind of flexibility you could put those pretty much anywhere you wanted to.

And as for price, well, that's the big one. And in the short term I don't think it's going to turn around. But scientists are cautiously optimistic that nanotechnology will let us use new processes, like printing solar panels directly onto a substrate using just a specialized printer. That would actually be less complicated and expensive than traditional manufacturing methods. Now at that meeting of the AAAS, a Dr. Wolfgang Porod gave a talk about Nanoantenna Thermocouples for Energy Harvesting. Which I admit sounds like technobabble straight out of a Star Trek episode.

But it's actually fairly simple once you break it down. A nanoantenna is just an antenna on the nanoscale. These resonate with longwave infrared radiation. And a thermocouple Well that's a component of circuitry that generates a voltage when one part of the thermocouple is a different temperature than other part. So you pair these two together and the antenna generates heat and the thermocouple generates voltage. It could actually help increase the efficiency of solar panels. Now like I said, nanotechnology is a young science and it has lots of different applications.

Across many disciplines. And I'm really excited how such a small technology could have such a huge impact. That leads me to this week's question. When I say the word nanotechnology what do you imagine What does that word mean to you Let us know in the comments below. Then, do me a nanosized favor and share this tutorial with your friends. If you enjoyed it make sure you hit the 'like' button and subscribe to our channel. Then check out these tutorials over here. There's some huge surprises in them.

NASA Silicon Germanium Quantum Well Solar Cell

Music The silicon germanium quantum well solar cell is a combination of different technologies, one based on our silicon germanium technology and the other is based on the quantum well and both of these increase the efficiency of the solar cell. The highest efficiency in a solar cell is when you have a single crystalline material and this is unique because this single crystalline silicon germanium, so you have higher mobility because the germanium has three times the mobility of silicon and also because you have a quantum well. When you have a quantum well, you confine the electrons to one plane and the only way that you can.

Create a quantum well is to precisely control the layer thicknesses when you build up your solar cell. And this is something that we can do in our lab. Another thing that makes this unique is that it's built on the sapphire substrate, so you can actually light it from the back side. Unlike conventional silicon solar cell, the light isn't lost by the conductive layer. That means higher efficiency. NASA would use that on spacecraft or any power application because if you have a more efficient solar cell that means you need less of them.

And so you have less weight and it takes up less volume. The commercial sector would also benefit because you can have smaller devices that have the same power requirements as a silicon solar cell but the solar cell would be much smaller. We knew something like this could replace that because it's a whole different structure it's a whole different way of looking at it. And so the silicon germanium technology has resulted in six patents so far and it and numerous different applications, so some of our other Research efforts are also based.

Can Korea take lead in Solar Panel Industry ,

Solar power is the biggest and fastest growing sector in the renewable energy market as it's expected to become an affordable and feasible alternative to fossil fuels. Korea is making increasing use of this energy source. but it is going to be a global player For this week's Industry Insight, here's Song Jisun. This is the biggest solar power plant in the capital that started operating this summer. It's equivalent to 13 football fields with a capacity of 5point6 megawatts enough for 22hundred households a year. Solar energy is quickly rising as the next.

Generation of renewable energy here in Korea accounting for 98 percent of all renewable power plants built in the first half this year. This solar panel system has been set up on the roof of this waterfiltering plant and we have completed a couple of other solar power facilities like this for the Seoul Metropolitan Government. It's fully operational even on cloudy days and only takes three months to install and operate. The market for these solar facilities is booming in Korea. with most being bulit by government or public agencies. Over the past decade. solar energy has emerged.

As the world's biggest source of renewable energy, overtaking wind power. Last year alone it created half of total electricity generated from renewable energy sources. This prospective market is forecast to expand by 10percent each year by 2030. with China and India likely accounting for half of the global demand. By then, the cost of generating electricity from solar power is expected to reach similar levels to burning fossil fuel meaning it could become more widespread without the support of government subsidies. as it mostly depends on at the moment.

The biggest competition in the industry comes from China which produces 80percent of the global demand. at prices 20 to 30 percent cheaper than Korea. Backed by government support, Chinese companies have been producing well over the market demand. with half of the world's top 10 solar panel producers based in China. It's not easy to counter them in terms of price, so Korean firms must improve their costefficiency, at the same time revving up quality and technology. Around 40 players are in Korea's solar power generating market with small and midsized.

Companies focusing on solar cells or modules. while large conglomerates aim to tackle the global market by equipping a complete chain of production to service. We've established a value chain from solar component production to system maintenance. And we aim to expand the solar power generation infrastructure to even include households. Industry experts point out that it is also crucial the government take steps to speed up growth of the domestic solar power industry. To expand its economy of scale and improve its profitability, they add. Korea needs to ease regulations concerning installation.

Solar Panel Offers Bowling Green, KY

Solar energy has just start here in Kentucky but us installing on the system's. We started this company in 2009 Some of the common questions we get. Is solar affordable, does it work in our area, Do we have enough son. and answer to all those questions is Yes We use Sun Power Panels from rooftops to ground mount. Percy and pay back on the system is lowest. Four years is a very short term investment for a product this warranty for 25 years. You own your house why do you rancher your power.

Turning Salt water into Drinking water using Solar power

According to the Securing Water for Food agency, between 2000 and 2050 water demand is expected to increase 55 percent globally, meaning the number of people affected by water scarcity will continue to grow. By 2025, twothirds of the world's population could be living in severe water stress conditions. Around the world, there is more salty groundwater than fresh, drinkable groundwater. For example, 60 percent of India is underlain by salty water and much of that area is not served by an electric grid that could run conventional reverseosmosis desalination plants.

To find solution for this drinking water issue in developing countries, USAID the U.S. Agency for International Development had run a global competion for Desal prize. The idea for the competition was to create a system that could remove salt from water and meet three criteria it had to be costeffective, environmentally sustainable, and energy efficient. The winners of the $140,000 first prize were a group from MIT and Jain Irrigation Systems. The group came up with a method that uses solar panels to charge a bank of batteries. The batteries then power a system that removes salt from the water through electrodialysis,.

That means that dissolved salt particles, which have a slight electric charge, are drawn out of the water when a small electrical current is applied. Using the sun instead of fossil fuels to power a desalination plant isn't a totally new idea. Larger solar desalination plants are being seriously investigated in areas where water is becoming a scarce resource, including Chile and California.But the current technology is expensive. The MIT team's this new desalination technology electrodialysis is comparatively less expensive. Both electrodialysis and reverse osmosis require the use of membranes, but the membranes in.

Solar house heads for DC

Well, the main concept of the house that you see is both on the inside and outside of the house is the icon shape. We always talk about solar as being a kind of a strange looking, technological box kind of creature and we really wanted to make our solar house look like a familiar house, the home we've all grown up in. And we started with a traditional symmetrical gable and skewed it so that it would be appropriate for solar. So we have this skewed gable shape that you see both outside, like on the east porch over here,.

You'll also see it on the inside there's wood trusses that kind of replicate and follow that line as well, and even on the west side you see that shape as well. So it's just repeated over and over again to remind people that we really were focused in on a new idea for solar, new shape that is familiar that reminds people of home. I think Dean Fischer and Dean Crouch have both commented that this was one of the first projects that have managed to bring together multiple departments.

College of Design has had architecture school, graphic design school as well as interior design working with us. IT has had computer science, electrical engineering, mechanical engineering, civil engineering, we've also had the College of Continuing Education with their construction management program join us, so it's really been interdisciplinary. And it hasn't even been broken up into phases where each school takes over a certain phase in time. We've actually all designed the house together, built the house together, argued about the house together so it's been a very integrative process.

Well, what we really aimed for was not just the look and feel of a house that we're familiar with, we really wanted to make this house viable for a next use. There is a lot of energy, a lot of effort, a lot of materials and resources put into it, so our team committed themselves to finding a next use for the house, whether it's a research center, an exhibit house, and as part of that we even dedicated ourselves to getting a manufactured permit. Our house may have a lot more technology than people would choose to.

Are Solar Panels Worth It Watch This Tutorial To Find Out

Are Solar Panels Worth It Watch This Tutorial To Find Out Are Solar Panels Worth It YES THEY ARE We will show how they save you thousands of dollars in energy bills so please watch the tutorial for instructions. How Can I Start Using Green Energy Yes, Solar Panels are a very good way to dramatically cut your energy bills and if you can't afford the investment to buy them you can now EASILY CHEAPLY make solar panels, or a wind turbine at home with very little investment all.

Solar Panels 10 things you need to know Tutorial 25 solarwindheat

Here are 10 things that you need to know. It's about light, not heat. It can be overcast and the panels still generate electricity. In summer you generate more money because the days are longer and brighter but even in the winter your panels still work for you. Solar panels are suitable for the vast majority of homes and businesses across the whole of the U.K. as long the roof is structurally sound. Electricity is created by the solar panels during daylight hours. The electricity is not 'stored' in batteries. It's a boiler sized device called an inverter that converts the energy from the panels so it can be used.

The inverter is usually fitted in your loft or garage. Here's how you make money and you save money. You are paid by your electricity supplier for every unit you generate. The amount you are paid for each unit is called the 'generation tariff'. Whilst you're producing electricity during daylight hours you are allowed to use as much of it as you want for FREE! Electricity that you generate but don't use, you export back to the grid. You get paid for this too! This is called the 'export tariff'. Whenever your panels are not generating enough electricity for your home or business.

You draw electricity from the grid as normal. Your generation tariff and export tariff are set and paid under the government's feedin tariff FIT scheme. Your tariff rates are guaranteed in UK law for 20 years. They are also index linked, which means they go up in line with inflation. You receive your income every 3 months, into your bank account or by cheque, whichever suits you. It's paid by an electricity provider of your choice from the Ofgem list. You will still receive an electricity bill for the electricity you draw from the grid.

Designing A Solar Powered Backup Power Source For A Listener Part 1 Of 2

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High Efficiency Solar Panels

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