e@e®e 大 更高效的使用太阳能 机械与动力工程学院宋嘉诚 2017.12.17 上海充通大 SHANGHAI JIAO TONG UNIVERSITY
更高效的使用太阳能 机械与动力工程学院 宋嘉诚 2017.12.17
上海文通大学 SHANGHAI JIAO TONG UNIVERSITY 2017 Summer Exchange Program-Solar Cells Prof.Hawwaz School of Engineering and Applied Science,Harvard
2017 Summer Exchange Program-Solar Cells Prof. Hawwaz School of Engineering and Applied Science,Harvard
上海文通大学 SHANGHAI JIAO TONG UNIVERSITY Solar Cells Background Photovoltaic effect Proper band gap size Silicon as a semi-conductor conduction electron Abundance,cost,efficiency band ·Needs doping and band gap electron or solar energy forbidden photon metal contacts energy gap textured surface front contact AR coat ME emitter n si front contact valence band hole base PSi heat Irear contact
▪ Photovoltaic effect ▪ Proper band gap size ▪ Silicon as a semi-conductor ▪ Abundance, cost, efficiency ▪ Needs doping and metal contacts Solar Cells Background
上海疚通大￥ SHANGHAI JIAO TONG UNIVERSITY Solar Cells Background Efficiency in chemical compound solar cells.. ·CdTe-22.16 CulnGaSe2 -22.6% ·GaAs-38.8% versus monocrystalline silicon ·24.1%world record
▪ Efficiency in chemical compound solar cells… ▪ CdTe - 22.1% ▪ CuInGaSe2 - 22.6% ▪ GaAs - 38.8% ▪ …versus monocrystalline silicon ▪ 24.1% world record Solar Cells Background
上海疚通大鼻 SHANGHAI JIAO TONG UNIVERSITY Design Design
Design Design