Solar or Electric Cars Industrial Revolutions CNBC International
The battery runs out too quickly there's no where to charge it and it's too expensive it's been a bumpy start for the allelectric car with some survey saying only five percent of drivers are considering switching away from traditional gas guzzlers Can the electric car overcome these roadblocks Buckle up Industrial Revolutions gets behind the wheel Every day a thousand more cars join the congested roads of New Delhi pumping more carbon onto already smoggy streets experts warn India could see an extra 140 million vehicles by 2035 So, could the electric car be the solution.
It was specifically designed for lowcost but yet not be a boring vehicle and we have kept the cost under ten thousand dollars Launched a year ago Mahindra Reva's e2o is one of ten electric models on the global market it can travel 100 kilometers on a single charge We keep about 10 kilometres of charge in reserve that the customer cannot automatically use when the battery runs out of charge the customer has to contact the control center and control center will release the last ten kilometers and thereby cannot.
Accidentally and get stranded on the road With only five hundred e2o's sold so far it's clear there's a long road ahead to winning over skeptical consumers But maybe the future isn't an electric one Maybe the answer comes from the sky Meet Stella What makes Stella special is that it's the world's first family call on solar energy it's a car that actually provides energy instead of just using it Students at Eindhoven University built the four seater car to compete in the world solar challenge which they went on to win.
With it's aerodynamic shape and lightweight it can travel 400 kilometers on a single charge But what happens if the Sun doesn't shine It's going to stop Stella when it's cloudy because we have a really large battery in the car and essentially you can see it as a normal electric car but you have solar panel as range extender We saw electric vehicles coming up which are very practical but have a limited range but on the other hand we saw solar cars which have a huge range but are not.
Solar Power in India DuPont Photovoltaics A Brighter Life
00003500,00013000 gtgt DORJEY STANZIN We live in the most remote and underdeveloped part of Ladakh. In summer we are in paradise. 00016500,00018000 gtgt DORJEY STANZIN In the winter we are in hell. 00026000,00040000 gtgt DORJEY STANZIN We used to rely on diesel generators for electricity. It was costly and dangerous to bring the diesel here, so we often had no electricity for months. 00043000,00052000 gtgt DORJEY STANZIN We believe that the Sun is everything. God has given us the gift of sun, so why not use it 00054000,00058000 gtgt VIVEK CHATURVEDI Moser Baer has a product.
That captures sun and provides energy to the residents there. 00100000,00104000 gtgt VIVEK CHATURVEDI DuPont materials are extremely important as a part of this product 00107500,00120000 gtgt RAJARAM PAI When we combine DuPont Tedlar and DuPont Solamet paste we are making sure that the efficiencies are improved and it ensures that the panel is protected against the harsh climate of Durbuk and ultra violet radiation. 00122500,00135500 gtgt VIVEK CHATURVEDI Having grown up in a small town myself, I understand how it is to live without power. Children need to study, mothers need to cook. What better way to capture sun and provide energy across the globe.
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.
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