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    • 28. 发明申请
    • SHADING PROTECTION FOR SOLAR CELLS AND SOLAR CELL MODULES
    • 太阳能电池和太阳能电池模块的防护
    • US20090025778A1
    • 2009-01-29
    • US11781588
    • 2007-07-23
    • Leonid RubinBram SadlikValery NebusovAlexander OsipovAndreas SchneiderVasily Tarasenko
    • Leonid RubinBram SadlikValery NebusovAlexander OsipovAndreas SchneiderVasily Tarasenko
    • H01L31/052H01L31/05
    • H01L31/0512H01L27/1421H02S40/34Y02E10/50
    • In accordance with one aspect of the invention, there is provided a shading protected solar cell apparatus for use in a solar cell system. The apparatus includes a solar cell having a front side current collector and a back side current collector. The apparatus also includes a bypass diode closely adjacent the back side current collector, the bypass diode having a front side current collector and a back side current collector. The apparatus further includes a first electrical coupling for electrically coupling the front side current collector of the bypass diode to the back side current collector of the solar cell. The apparatus also includes a second electrical coupling for electrically coupling the back side current collector of the bypass diode to the front side current collector of the solar cell, the first and second electrical couplings cooperating to enable a current generated by non-shaded solar cells in the system to be shunted through the bypass diode when the solar cell is shaded. The apparatus further includes a thermal coupling thermally coupling the bypass diode to a back side of the solar cell such that heat generated in the bypass diode due to current shunted through the bypass diode is dissipated by the solar cell sufficiently to avoid burning the solar cell or the bypass diode when the solar cell is shaded.
    • 根据本发明的一个方面,提供了一种用于太阳能电池系统的遮光保护太阳能电池装置。 该装置包括具有前侧集电体和背面侧集电体的太阳能电池。 该装置还包括紧邻背侧集电器的旁路二极管,旁路二极管具有前侧集电器和后侧集电体。 该装置还包括用于将旁路二极管的前侧集电器电耦合到太阳能电池的背侧集电器的第一电耦合。 该装置还包括用于将旁路二极管的后侧集电器电耦合到太阳能电池的前侧集电器的第二电耦合,第一和第二电耦合协作以使得能够使由非阴影的太阳能电池产生的电流 当太阳能电池被遮蔽时,通过旁路二极管分流的系统。 该装置还包括将旁路二极管热耦合到太阳能电池的背面的热耦合,使得由于通过旁路二极管分流的电流在旁路二极管中产生的热量被太阳能电池消散,以避免燃烧太阳能电池或 当太阳能电池被遮蔽时,旁路二极管。