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    • 92. 发明授权
    • Back contact solar module and electrode soldering method therefor
    • 背面接触式太阳能电池组件及其电极焊接方法
    • US09306102B2
    • 2016-04-05
    • US13241258
    • 2011-09-23
    • Yi-Chia ChenDe-Chih LiuMing-Yuan HuangChiu-Hua Huang
    • Yi-Chia ChenDe-Chih LiuMing-Yuan HuangChiu-Hua Huang
    • H01L31/044H01L31/05
    • H01L31/0508H01L31/0516Y02E10/50
    • A back contact solar module and an electrode soldering method therefor are disclosed. The back contact solar module includes a substrate, two solar cells formed on the substrate, and a curved solder part. The curved solder part is soldered onto an electrode solder pad of each solar cell. The curved solder part has a curved portion between the two solder pads. The curved portion curves parallel to the substrate. Therefore, the invention utilizes the elasticity in structure or the allowable deformation of the curved portion to release the internal stress induced by the soldering on the electrode pads or by a following lamination packaging, which solves the problem in the prior art that the internal residual stress in an electrode solder part harmfully affects the electrical connection between solar cells.
    • 公开了背接触太阳能模块及其电极焊接方法。 背面接触太阳能模块包括基板,形成在基板上的两个太阳能电池和弯曲的焊接部分。 将弯曲的焊料部分焊接到每个太阳能电池的电极焊盘上。 弯曲的焊接部分在两个焊盘之间具有弯曲部分。 弯曲部分平行于基底弯曲。 因此,本发明利用弯曲部分的结构弹性或允许的变形来释放由电极焊盘上的焊接引起的内部应力或通过以下层压包装,这解决了现有技术中的内部残余应力 在电极焊料部分有害地影响太阳能电池之间的电连接。
    • 99. 发明授权
    • Polymer photovoltaic cell with an inverted structure and process for its preparation
    • US11374186B2
    • 2022-06-28
    • US16466492
    • 2018-02-21
    • ENI S.P.A.
    • Alessandra CominettiRiccardo Po
    • H01L31/044H01L51/42C01G39/02H01L51/00H01L51/50
    • Polymeric photovoltaic cell (or solar cell) with an inverted structure comprising: an anode; a first anode buffer layer; an active layer comprising at least one photoactive organic polymer as the electron donor and at least one organic electron acceptor compound; a cathode buffer layer; a cathode; wherein between said first anode buffer layer and said active layer a second anode buffer layer is placed comprising a hole transporting material, said hole transporting material being obtained through a process comprising: reacting at least one heteropoly acid containing at least one transition metal belonging to group 5 or 6 of the Periodic Table of the Elements; with at least an equivalent amount of a salt or a complex of a transition metal belonging to group 5 or 6 of the Periodic Table of the Elements with an organic anion, or with an organic ligand; in the presence of at least one organic solvent selected from alcohols, ketones, esters, preferably alcohols. Said polymer photovoltaic cell (or solar cell) with an inverted structure displays high photoelectric conversion efficiency values (η), i.e. a photoelectric conversion efficiency (η) greater than or equal to 4.5%, and good open circuit voltage (Voc), short-circuit current density (Jsc) and fill factor (FF) values. Furthermore, said polymer photovoltaic cell (or solar cell) with an inverted structure is able to maintain said values over time, in particular, in terms of photoelectric conversion efficiency (η).