Body-to-back contact solar cell

Body-to-back contact solar cell

  • CN 102,881,737 A
  • Filed: 10/15/2012
  • Published: 01/16/2013
  • Est. Priority Date: 10/15/2012
  • Status: Active Application
First Claim
Patent Images

1. a body is tied back contact solar cell, comprise substrate (100), P type doped region (120) and N-type doped region (130), positive electrode (140), negative electrode (150), wherein said substrate (100) comprises into light face (101) and shady face (102), it is characterized in that:

  • Described P type doped region (120) and N-type doped region (130) are groove shapes, from the deep inside to described substrate (100) of the shady face (102) of described substrate (100);

    Described positive electrode (140) and negative electrode (150) are drawn in described P type doped region (120) and N-type doped region (130) respectively.

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