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Nairaland Forum / Science/Technology / From Solar Paints To Roof Tiles- Innovative Renewable Future (2349 Views)
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From Solar Paints To Roof Tiles- Innovative Renewable Future by TalkElectricNG: 8:11am On Jun 21, 2017 |
Clean energy will replace fossil fuel in the near future. It existed years back and today is continually improved upon. In a sense, the fossil fuels are a onetime gift that lifted us up from subsistence agriculture and eventually should lead us to a future based on renewable resources and clean energy. — Kenneth Deffeyes The fuel in the earth will be exhausted in a thousand or more years, and its mineral wealth, but man will find substitutes for these in the winds, the waves, the sun's heat, and so forth. (1916) — John Burroughs "By definition we must move towards renewable energy. How can people argue against that? To argue that is to say that eventually we will run out of energy and die or civilization will collapse." —Elon Musk The amount of energy the sun generates is enough to power the whole world on a 24 hr basis but harnessing this energy in the most efficient way is the task scientists are to undertake. Lately a lot of incredible innovations on clean energy are going on. TalkElectricng will like to share some of them with our esteemed readers. Tesla roof tiles Residential solar roof tops have been in existence for so many years and still hold a large chunk of the market space in terms of clean energy power generation. However they have their drawbacks. A couple of home owners complain about how they spoil the design architecture and aesthetics of their houses. Notwithstanding the fact that solar roof top over the years have dropped in prices and provided good Return on Investment, Mr Elon Musk had a proposition. With the question "Would you like a roof that looks better than a normal roof, lasts twice as long, costs less and by the way generates electricity?' It's like, why would you get anything else?" The founder of Solar city and Tesla battery came up with a game changing idea-Solar roof tiles. The roof tile technology made from glass and solar cells is unique. The solar cells are embedded in the tiles. Panasonic makes a very robust solar cell that generates power for up to 30 years. What the company has kept a little bit of a secret is the inter connection technology of the tiles. Elon Musk once said that the electric architecture of the solar roof system was proprietary to Tesla and they didn’t want to go into details about it, but they did briefly discuss the development of the system The clean energy enterpreneur said that making the connectors robust involved “a shocking amount of technology”: “This is a connector that has to last for more than 30 years. It has to be weatherproof, heavy rain, snow, slush, salt, water leaking – it’s like connector hell.” The roof tile went on sale in America on the 10th of May 2017. Tesla opened up its online store and is taking US$1,000 deposits for two of four options unveiled in October: a smooth black glass; and textured-glass roof tiles. From most viewing angles, the slick shingles look like standard roof materials, but they allow light to pass through from above onto a solar cell embedded beneath the tempered surface. The first installations began in the United States in June. However orders from all over the world began too for 2018 installations For more questions on how these roof tiles work you can visit Tesla or Solar City websites or you can read more about it here. Solar paint Researchers have developed a solar paint that can absorb water vapor and split it to generate hydrogen – the cleanest source of energy. A silica gel like compound makes up the paint component. Works also as moisture absorbent and keeps food ,medicine and electronics dry But unlike silica gel, the new material, synthetic molybdenum-sulphide, also acts as a semi-conductor and catalyses the splitting of water atoms into hydrogen and oxygen. Lead researcher Dr. Torben Daeneke, from RMIT University in Melbourne, Australia, said: “We found that mixing the compound with titanium oxide particles leads to a sunlight-absorbing paint that produces hydrogen fuel from solar energy and moist air. “Titanium oxide is the white pigment that is already commonly used in wall paint, meaning that the simple addition of the new material can convert a brick wall into energy harvesting and fuel production real estate. “Our new development has a big range of advantages,” he said. “There’s no need for clean or filtered water to feed the system. Any place that has water vapor in the air, even remote areas far from water, can produce fuel.” His colleague, Professor Kourosh Kalantar-zadeh, said hydrogen was the cleanest source of energy and could be used in fuel cells as well as conventional combustion engines as an alternative to fossil fuels. “This system can also be used in very dry but hot climates near oceans. The sea water is evaporated by the hot sunlight and the vapour can then be absorbed to produce fuel. “This is an extraordinary concept – making fuel from the sun and water vapor in the air.” Actuators They work by translating the revolutionary motion of a motor into linear movement. Actuators enjoy a long life, and generally do not require maintenance as they have few moving parts. So using actuators is another way in which solar energy is more efficient because it allows freestanding panels to track the sun as it moves across the sky to maximize solar gain. Energy storage To date, one of the biggest impediments for solar energy is that the sun doesn't always shine. Large-scale energy storage is gaining traction by the day. It means that towns and cities can store solar gain during the day for use at night. And some of the ideas for solar storage are pretty innovative! Compressed air: Using abandoned mine shafts or salt caverns to pump gas into during daylight hours. Use the compressed air at night to drive turbines and generates energy. Pumped Hydro: Another way to store energy is to pump water uphill into a large storage reservoir during the day. Release the water at night to flow downhill where it drives turbines. Molten Salt: Grid production of excess required energy led to innovation. Heat molten salt to temperatures in excess of 1,000 degrees Fahrenheit from excess energy. The heat from the molten salt creates steam which drives turbines and generates energy in increased electricity demand. READ MORE http://talkelectric.ng/2017/06/19/clean-energy-innovations-of-the-future/ other related topics http://talkelectric.ng/2017/04/25/top-reasons-why-solar-batteries-fail/ http://talkelectric.ng/2017/04/16/advantages-and-disadvantages-of-green-energy/ |
Re: From Solar Paints To Roof Tiles- Innovative Renewable Future by TalkElectricNG: 8:25pm On Jun 21, 2017 |
TalkElectricNG: |
Re: From Solar Paints To Roof Tiles- Innovative Renewable Future by TalkElectricNG: 1:07pm On Jul 06, 2017 |
TalkElectricNG: |
Re: From Solar Paints To Roof Tiles- Innovative Renewable Future by TalkElectricNG: 6:28am On Jul 09, 2017 |
TalkElectricNG: |
Re: From Solar Paints To Roof Tiles- Innovative Renewable Future by Caseless: 8:37am On Jul 09, 2017 |
Where are africans in all of this? We are too left behind! |
Re: From Solar Paints To Roof Tiles- Innovative Renewable Future by TalkElectricNG: 6:21pm On Jul 10, 2017 |
Caseless:there are still lots of Africans doing great stuff over there. We just dont have the platform here |
Re: From Solar Paints To Roof Tiles- Innovative Renewable Future by COMPAQ(m): 6:39pm On Jul 10, 2017 |
And where is Nigeria and Africa in this technological advancement? We will look and look till the rest of the world moves too fast to be caught before we start moving and then even at then we will move at snail pace. |
Re: From Solar Paints To Roof Tiles- Innovative Renewable Future by TalkElectricNG: 11:13pm On Jul 25, 2017 |
TalkElectricNG: |
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