| 摘要 |
A photovoltaic cell element (100) is presented. The photovoltaic cell element includes a substrate (101) including a front surface (106), a back surface (107) and front surface electrodes over the front surface. The front surface electrodes include a plurality of front surface bus bar electrodes (102) coupled to a plurality of front surface finger electrodes (103). Widths of the front surface bus bar electrodes (102) are between about 0.5 mm and about 2.5 mm. The plurality of front surface bus bar electrodes (102) is substantially parallel to each other and substantially perpendicular to the front surface finger electrodes (103). Widths of the front surface finger electrodes (103) are between about 30μm and about 100μm. The front surface electrodes also include first front surface redundancy line electrodes (105) between each two adjacent front surface bus bar electrodes (102). The front surface redundancy line electrodes (105) are substantially parallel to the bus bar electrodes (102) and substantially perpendicular to the front surface finger electrodes (103) to couple to the front surface finger electrodes (103). Widths of the first front surface redundancy line electrodes (104) are between about 30μm and about 500μm. |
