Thin solar cell with rim and metal contact on reverse face
阅读：124发布：2023-09-20
专利汇可以提供Thin solar cell with rim and metal contact on reverse face专利检索，专利查询，专利分析的服务。并且A solar cell comprises a semiconductor body with a p-n junction extending parallel to the front face of the cell and a recess in the reverse face of the cell surrounded by rim portions which are narrow as compared to the dimensions of the recess.，下面是Thin solar cell with rim and metal contact on reverse face专利的具体信息内容。
1. A solar cell comprising: a semiconductor body having front and reverse faces; a p-n junction spaced at a first distance from said front face of said semiconductor body, extending in said semiconductor body parallel to said front face of said semiconductor body and adapted to receive radiation; rim portions on said reverse face of said semiconductor body opposite to said front face, defining a recess on said reverse face of said semiconductor body, which recess is spaced from said front face of said semiconductor body by a distance greater than the first distance, and said rim portions having a width substantially narrower than the width of said recess; and, a metal contact applied to the entire area of said reverse face of said semiconductor body including said rim portions and said recess.
2. A solar cell as defined in claim 1, wherein said semiconductor body has a thickness between front and reverse faces in said recess of about 100 Mu m and at said rim portions of 200 to 300 Mu m.
3. A solar cell as defined in claim 2, whErein said rim portions have a width of about 1 to 2 mm.
4. A solar cell as defined in claim 1 wherein said rim portions include intermediate web portions and edge portions defining a plurality of recesses in said reverse face of said semiconductor body.
5. A solar battery including a plurality of solar cells, said solar cells each comprising: a semiconductor body having front and reverse faces; a p-n junction spaced at a first distance from said front face of said semiconductor body, extending in said semiconductor body parallel to said front face of said semiconductor body and adapted to receive radiation; rim portions on said reverse face of said semiconductor body opposite to said front face, defining a recess in said reverse face of said semiconductor body, which recess is spaced from said front face of said semiconductor body by a distance greater than the first distance, and said rim portion having a width substantially narrower than the width of said recess, a first metal contact on said front face of said semiconductor body and a second metal contact on the entire area of said reverse face of said semiconductor body including said rim portions and said recess and connection means connecting said first metal contact of one solar cell at the rim of said one solar cell with said second metal contact of another solar cell at the rim of said another solar cell.
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