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    • 2. 发明申请
    • METHODS OF MANUFACTURING BACK SURFACE FIELD AND METALLIZED CONTACTS ON A SOLAR CELL DEVICE
    • 在太阳能电池装置上制造背面和金属化接触的方法
    • US20130199606A1
    • 2013-08-08
    • US13366817
    • 2012-02-06
    • Shuran ShengLin ZhangDavid TannerXuesong Lu
    • Shuran ShengLin ZhangDavid TannerXuesong Lu
    • H01L31/0224H01L31/18
    • H01L31/022425H01L31/068H01L31/1804Y02E10/547Y02P70/521
    • Embodiments of the present invention are directed to a process for making solar cells. In one embodiment, a method of manufacturing a solar cell device, includes providing a substrate having a first surface and a second surface, selectively disposing a first metal paste in a first pattern on the first surface of the substrate, forming a first dielectric layer over the first metal paste on the first surface of the substrate, forming a second metal paste in a second pattern over the first dielectric layer align with the first metal paste, and simultaneously heating the first and the second metal pastes disposed on the first surface of the substrate to form a first group of contacts on the first surface of the substrate, wherein at least a portion of the second metal paste forms the first group of contacts that each extend through the first dielectric layer to connect with the first metal paste to the first surface of the substrate.
    • 本发明的实施例涉及制造太阳能电池的方法。 在一个实施例中,制造太阳能电池器件的方法包括提供具有第一表面和第二表面的衬底,在衬底的第一表面上选择性地将第一金属膏以第一图案布置,形成第一介电层, 在第一介电层上形成第二图案的第二金属膏与第一金属膏对准,同时加热设置在第一金属膏的第一表面上的第一和第二金属浆料, 衬底,以在衬底的第一表面上形成第一组触点,其中第二金属膏的至少一部分形成第一组触点,每组触点延伸穿过第一电介质层,以将第一金属膏连接到第一组 基板的表面。
    • 8. 发明申请
    • PATTERNED ALUMINUM BACK CONTACTS FOR REAR PASSIVATION
    • 图案化的铝合金后退联系人
    • US20130233379A1
    • 2013-09-12
    • US13784043
    • 2013-03-04
    • David TannerPrabhat Kumar
    • David TannerPrabhat Kumar
    • H01L31/18H01L31/0224
    • H01L31/1868H01L31/02167H01L31/022425H01L31/022433H01L31/068H01L31/1864Y02E10/547Y02P70/521
    • Embodiments of the invention generally relate to solar cells having reduced carrier recombination and methods of forming the same. The solar cells have eutectic local contacts and passivation layers which reduce recombination by facilitating formation of a back surface field (BSF). A patterned aluminum back contact is disposed on the passivation layer for removing current form the solar cell. The patterned back contact reduces the cost-per-watt of the solar cell by using less material than a full-surface back contact. The methods of forming the solar cells include depositing a passivation layer including aluminum oxide and silicon nitride on a back surface of a solar cell, and then forming openings through the passivation layer. A patterned aluminum back contact is disposed on the passivation layer over the holes, and thermally processed to form a silicon-aluminum eutectic within the openings.
    • 本发明的实施方案通常涉及具有减少的载体重组的太阳能电池及其形成方法。 太阳能电池具有共晶的局部接触和钝化层,通过促进背面场(BSF)的形成来减少复合。 图案化的铝背接触设置在钝化层上以去除太阳能电池的电流。 图案化的背面接触通过使用比全表面背面接触更少的材料来降低太阳能电池的每瓦成本。 形成太阳能电池的方法包括在太阳能电池的背面上沉积包括氧化铝和氮化硅的钝化层,然后通过钝化层形成开口。 图案化的铝背接触器设置在孔上的钝化层上,并且被热处理以在开口内形成硅铝共晶体。