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    • 17. 发明申请
    • Interconnect Technologies for Back Contact Solar Cells and Modules
    • 用于背面接触太阳能电池和模块的互连技术
    • US20080216887A1
    • 2008-09-11
    • US11963841
    • 2007-12-23
    • Peter HackeDavid H. MeakinJames M. GeeSysavanh SouthimathBrian Murphy
    • Peter HackeDavid H. MeakinJames M. GeeSysavanh SouthimathBrian Murphy
    • H01L31/05H01L31/18
    • H01L31/022441H01L31/0516Y02E10/50Y10T29/49171
    • Methods and systems for interconnecting back contact solar cells. The solar cells preferably have reduced area busbars, or are entirely busbarless, and current is extracted from a variety of points on the interior of the cell surface. The interconnects preferably relieve stresses due to solder reflow and other thermal effects. The interconnects may be stamped and include external or internal structures which are bonded to the solder pads on the solar cell. These structures are designed to minimize thermal stresses between the interconnect and the solar cell. The interconnect may alternatively comprise porous metals such as wire mesh, wire cloth, or expanded metal, or corrugated or fingered strips. The interconnects are preferably electrically isolated from the solar cell by an insulator which is deposited on the cell, placed on the cell as a discrete layer, or laminated directly to desired areas of the interconnect.
    • 用于互连背接触太阳能电池的方法和系统。 太阳能电池优选地具有减小的面积母线,或者完全无母线,并且电流从电池表面内部的各种点提取。 互连优选地减轻由于焊料回流和其它热效应引起的应力。 互连可以被冲压并且包括结合到太阳能电池上的焊盘的外部或内部结构。 这些结构被设计成使互连和太阳能电池之间的热应力最小化。 互连可以可选地包括多孔金属,例如金属丝网,金属丝布或多孔金属,或波纹状或指形条。 互连优选地通过绝缘体与太阳能电池电隔离,所述绝缘体沉积在电池上,作为离散层放置在电池上,或者直接层压到互连的期望区域。