solarenergy(英語簡介)最新課件

1、solarenergy(英語簡介)最新PPT課件solarenergy(英語簡介)最新PPT課件Solar energy1.howdoessolarenergygenerate？2.whataretheadvantagesofsolarenergy？3.howcanwemakefulluseofsolarenergy？4.Thefuturesolarenergy2Solar energy1.howdoessolarener?Inside the sun by hydrogen fusing into helium nuclear reactions, kept releases enormou

2、s amounts of energy內(nèi)部氫原子發(fā)生聚變釋放出巨大核能3?Inside the sun by hydrogen fuAs a new energy, solar energy has three characteristics compared to conventional energy sources: 1)the enormous amountSolar oven4As a new energy, solar energy 太陽能2) geographical universality5太陽能2) geographical universalit?there is no

3、transport problems, particularly in rural , remote areas.6?there is no transport problem太陽能3) non-pollutingSolar energy is a clean source of energy,will not cause pollution.7太陽能3) non-pollutingSolar energBut there are many limitations of using solar energy?(1) dispersion (low energy density) ?(2) In

4、stability?(3) Low efficiency and high cost.8But there are many limitations太陽能How can we make full use of solar energy？Wide range of applications of solarSolar car9太陽能How can we make full use o太陽能Solar power station10太陽能Solar power station10For example, unmanned weather stations, communication statio

5、ns, television relay stations, sun clock, power rails, black light, beacon lights, railway signals11For example, unmanned weather there are solar house, solar cookers, solar greenhouse, solar drying systems, solar technology, in particular, these technologies used widely in the north and west, with

6、remarkable results. 12there are solar house, solar cToday, we have already adopted a variety of different ways of developing its use, it has become necessary for our daily part of life and has greatly changed our lives. Here is our common examples of solar energy.13Today, we have already adoptedCali

7、fornia Thermal Power Plant14California Thermal Power PlantSpace solar power station15Space solar power station15Solar Lawn LightSolar lightSolar garden light16Solar Lawn LightSolar lightSoSolar Car17Solar Car17Solar Aircraft18Solar Aircraft18The future solar energy?Solar electrical energy generation

8、 : Solar power conversion efficiency low (11%), cost is high. Solar thermal power generating cost is the 5 10 times higher than Coal-fired power?At present main use of solar panels is purity silicon. To 99.9999%19The future solar energy?Solar ?Organic solar cell theory conversion efficiency almost 1

9、00%Researchers in the United States use extracted from plants the proteins and phosphate chemical compounds such as carbon nanotubes ,Developed can simulate plant photosynthesis mechanism of self-assembling solar cells. New batteries are still has good self-healing capability. In this way, the solar

10、 cells photoelectric conversion efficiency reached 40%20?Organic solar cell theory con?Theoretically speaking, the solar battery conversion efficiency can almost 100%. However, due to current this research is still in the cradle.?Solution of solar cell formation in very low concentrations, its conversion efficiency is very low ,also a