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High photoelectric conversion efficiency solar cell and method for manufacturing high photoelectric conversion efficiency solar cell
High photoelectric conversion efficiency solar cell and method for manufacturing high photoelectric conversion efficiency solar cell
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机译:高光电转换效率太阳能电池及其制造高光电转换效率太阳能电池的方法
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摘要
A solar cell having, on a semiconductor substrate's first main surface a first conductivity type, a base layer having first conductivity type and an emitter layer which is adjacent to base layer and has a second conductivity type which is a conductivity type opposite to first conductivity type, the solar cell includes: a base electrode which is electrically connected with base layer; and an emitter electrode which is electrically connected with emitter layer, solar cell including: dielectric films which are in contact with base and emitter layer on first main surface; first insulator films which cover the emitter electrode, are placed on the dielectric films, and are arranged to have a gap at least on base layer; and a base bus bar electrode placed at least on first insulator films, and being wherein gap distance between the first insulator films is 40 μm or more and (W+110) μm or less.
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