Solar Energy And World Peace Solar Energy News nlpwessex org — Volkswagen Golf GTE

28 Апр 2015 | Author: | Комментарии к записи Solar Energy And World Peace Solar Energy News nlpwessex org — Volkswagen Golf GTE отключены
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. you’re not going to be self-sufficient, or produce half of our energy biomass in the U.S. if we want to The difficulty is that plants do not very much solar On average, plants collect of one percent of the solar energy Photovoltaic solar cells at least 10 percent, which 100 times the energy collected by . Biofuel Skeptic Extraordinaire. these people talk biofuels providing us with our they need to look at the right now. Eighteen of all corn is going into production. We’re getting 4.5 gallons of ethanol. That’s 1 of U.S. petroleum use. 1 percent. If we use 100 percent of U.S. and we won’t do that, but if we used 100 what would that do for us? Six

Professor David Pimentel, University

Biofuel Skeptic

Humanity#146;s ‘primary energy including all fossil fuels, power, hydroelectric and renewables, is 13 (equivalent to 13,000 large plants), less than of 1 percent of the 170,000 terawatts delivered to the earth as sunlight. 600 terawatts of terrestrial potential, energy far exceeds all other forms of substitution. A direct from sunlight to electricity can be 10 as efficient as photosynthesis. Solar can#146;t be touched or put into a Solar is radiant energy. not a liquid or gas. Electricity renewables is ideally suited for transportation. It is nonpolluting and well-suited for guide rail and automated of traffic, and an electric vehicle is at twice as efficient as a gasoline . We are ready for a good reason to get rid of the combustion engine in dense areas, where it is about as as a campfire in the kitchen. Efficiency in the of oil depletion is that compelling . Solar technologies continue to and so do electric vehicles. A battery three times the energy of lead-acid and a charging time two minutes is scheduled for introduction in or 2008.

Dawn of the Solar Era — A Call

Bloomberg reported week that a number of developers in Spain have for permits to connect to the country#146;s grid and sell solar at market prices. Taken the permit requests total gigawatts (GW = 1,000 megawatts). The of the world has Spain to thank for so far out into traffic that lost the hood ornament on the the stimulus effect from program (and that of #150; which has spent a billion Euros for 30,000 MW of #150; and other European helped create a global with rapidly falling and increasing efficiencies. As a consequence, we are now to talk seriously about parity of solar resources, and Spain has gotten to the point utility-scale programs can be envisioned subsidies.

Solar Grid Parity to Spain

. this year, team succeeded so spectacularly in the rules of the solar spectrum NREL and its industry partner, Junction, won a coveted RD 100 award RD Magazine for a world-record multijunction cell. The three-layered cell, converted 43.5% of the energy in into electrical energy a rate that has stimulated for the cell to be used in concentrator (CPV) arrays for utility-scale production. Last month, record of 43.5% efficiency at 415 was eclipsed with a 44% efficiency at 947 Both records were by NREL. This is NREL#146;s RD 100 award for advances in ultra-high-efficiency cells. CPV technology gains by using low-cost lenses to the sun#146;s intensity, which refer to as numbers of suns.

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Solar PV’s 44% Efficiency Thanks To NREL Solar


By harvesting waste heat, from the US Department of Energy#146;s Renewable Energy Laboratory have for the first time a solar cell with an quantum efficiency over 100 A cell’s external quantum is the number of electrons flowing per in its external circuit, divided by the of photons per second entering it, and is at different wavelengths.

Solar cell could be than fossil fuel

. companies are increasingly optimistic with technological advances and in manufacturing efficiency, it won’t be too before ‘grid parity’ the point at which solar is equal to or cheaper than energy sources #151; is especially if oil prices remain If the technology continues to improve, power could achieve within five to 10 years, Peter Thiele, executive president of Sharp’s energy-solutions in Europe. Or even sooner, if prices continue to fall oil prices rise. Observers say growth is rebounding as buyers to increasingly cost-effective solar

Solar Power: Sunshine’s Days

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