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    • 54. 发明申请
    • SOLAR CELL AND ITS ELECTRODE STRUCTURE
    • 太阳电池及其电极结构
    • US20120192932A1
    • 2012-08-02
    • US13441867
    • 2012-04-07
    • MENG-HSIU WUYU-WEI TAIWEI-MING CHENYANG-FANG CHEN
    • MENG-HSIU WUYU-WEI TAIWEI-MING CHENYANG-FANG CHEN
    • H01L31/0224
    • H01L31/022425H01L31/022433Y02E10/50
    • An electrode structure is disposed on a substrate of a solar cell. The electrode structure includes a plurality of bus electrodes, a plurality of finger electrodes, and at least one connection electrode. The bus electrodes are separately disposed on the substrate. The finger electrodes are disposed on two sides of the bus electrodes and electrically connect to the bus electrodes. The connection electrode is disposed on a side of the substrate and connects with at least two finger electrodes. The connection electrode, bus electrodes and the finger electrodes are formed by at least two screen printing processes, and at least one of the screen printing processes does not form the bus electrodes. Thus, the thicknesses of the finger electrodes are greater than those of the bus electrodes.
    • 电极结构设置在太阳能电池的基板上。 电极结构包括多个总线电极,多个指状电极和至少一个连接电极。 总线电极分别设置在基板上。 手指电极设置在总线电极的两侧,并且电连接到总线电极。 连接电极设置在基板的一侧并与至少两个指状电极连接。 连接电极,总线电极和指状电极通过至少两个丝网印刷工艺形成,并且丝网印刷工艺中的至少一个不形成总线电极。 因此,指状电极的厚度大于总线电极的厚度。