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EP-4672923-A3 - BACK CONTACT SOLAR CELL AND PHOTOVOLTAIC MODULE

EP4672923A3EP 4672923 A3EP4672923 A3EP 4672923A3EP-4672923-A3

Abstract

A back contact solar cell includes a solar cell substrate, a plurality of first grid lines, a plurality of second grid lines, and a plurality of solder pads. The first grid lines and the second grid lines are disposed on the back surface and are alternately arranged. The plurality of solder pads are disposed on the back surface. The first solder pad is electrically connected to the first grid line. The second solder pad is electrically connected to the second grid line. The plurality of first solder pads includes a first test solder pad. The first test solder pad is electrically connected to at least two adjacent first grid lines. The plurality of second solder pads includes a second test solder pad. The second test solder pad is electrically connected to at least two adjacent second grid lines.

Inventors

  • WANG, Luchuang
  • XU, Zhaofang
  • TAO, Wusong
  • PENG, Yingying
  • YANG, Xubing
  • QIN, NIANNIAN

Assignees

  • JINKO SOLAR CO., LTD.
  • Jinko Solar (Haining) Co., Ltd.

Dates

Publication Date
20260506
Application Date
20251104