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    • 66. 发明专利
    • Solar battery, and method of manufacturing the same
    • 太阳能电池及其制造方法
    • JP2012054424A
    • 2012-03-15
    • JP2010196087
    • 2010-09-01
    • Koji Tomita富田 孝司
    • TOMITA KOJI
    • H01L31/04
    • H01L31/074H01L31/0725H01L31/1804H01L31/1852Y02E10/544Y02E10/547Y02P70/521
    • PROBLEM TO BE SOLVED: To obtain a solar battery with a high conversion efficiency by increasing an open circuit voltage.SOLUTION: In a hetero junction type solar battery, a semiconductor A, and a semiconductor B having a conductor different from the semiconductor A and having an electron affinity alarger than the electron affinity aof the semiconductor A are bonded, and the semiconductor A and the semiconductor B are lattice-matched within 1% respectively. In a method of manufacturing a hetero junction type solar battery in which a semiconductor A, and a semiconductor B having a conductor different from the semiconductor A and having an electron affinity alarger than the electron affinity aof the semiconductor A are bonded, and in which the semiconductor A and the semiconductor B are lattice-matched within 1% respectively, the semiconductor A is a p-type silicon. A p-type germanium layer is formed on a surface of the semiconductor A. An oxide film is removed by removing the germanium layer, and then, an n-type GaP is formed. An open circuit voltage in the obtained solar battery is 2 V. Thus, a high open circuit voltage can be obtained.
    • 要解决的问题:通过增加开路电压来获得具有高转换效率的太阳能电池。 解决方案:在异质结型太阳能电池,半导体A和具有不同于半导体A的导体且具有大于电子亲和力的电子亲和力的半导体B 半导体A的电子亲和力a 1 键合,半导体A和半导体B分别在1%以内格子匹配。 在制造异质结型太阳能电池的方法中,其中半导体A和半导体B具有不同于半导体A的导体,并且具有比电子亲和力a 2 大于 半导体A的电子亲和力a 1 分别结合,半导体A和半导体B分别在1%以内格子匹配, 型硅。 在半导体A的表面上形成p型锗层。通过除去锗层除去氧化膜,然后形成n型GaP。 所获得的太阳能电池中的开路电压为2V。因此,可以获得高开路电压。 版权所有(C)2012,JPO&INPIT