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    • 4. 发明申请
    • SOLAR CELL AND ELECTRODE STRUCTURE THEREOF
    • 太阳能电池及其电极结构
    • US20110174372A1
    • 2011-07-21
    • US13072675
    • 2011-03-25
    • Meng-Hsiu WuYu-Wei TaiYang-Fang Chen
    • Meng-Hsiu WuYu-Wei TaiYang-Fang Chen
    • H01L31/0224
    • H01L31/022425H01L31/1804H05K1/0287H05K1/092H05K3/1216H05K2203/1476Y02E10/547Y02P70/521
    • An electrode structure for a solar cell is disposed on a substrate of the solar cell and includes a plurality of bus electrodes and finger electrodes. The bus electrodes are formed by separately disposing a conductive material on the substrate. The finger electrodes are formed by separately disposing a conductive material on the substrate and at two sides of the bus electrodes. The bus electrodes and the finger electrodes are formed by two screen printing processes. The bottom portion of the finger electrodes are formed by a first screen printing process, and the top portion of the finger electrodes and the bus electrodes are formed by a second screen printing process. The electrode structure can enhance the conductivity of electrodes and increase the reliability and yield of the solar cell, thereby achieving the purposes of increasing the photo-electro transition efficiency of the solar cell and decreasing the manufacturing cost.
    • 用于太阳能电池的电极结构设置在太阳能电池的基板上,并且包括多个总线电极和指状电极。 总线电极通过在基板上单独设置导电材料而形成。 指状电极通过在基板上和母线电极的两侧分别设置导电材料而形成。 总线电极和指状电极通过两个丝网印刷工艺形成。 手指电极的底部通过第一丝网印刷工艺形成,并且通过第二丝网印刷工艺形成指状电极和总线电极的顶部。 电极结构可以提高电极的导电性,并提高太阳能电池的可靠性和产率,从而达到提高太阳能电池的光电转换效率和降低制造成本的目的。