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    • 5. 发明公开
    • Solar cell and solar cell module
    • 太阳能电池和太阳能电池组件
    • EP2525412A2
    • 2012-11-21
    • EP12003230.5
    • 2012-04-30
    • LG ELECTRONICS INC.
    • Yang, YoungsungShin, MyungjunChoi, MinhoLee, Seongeun
    • H01L31/0224
    • H01L31/022433H01L31/022425H01L31/068Y02E10/547
    • A solar cell includes a semiconductor substrate (110), an emitter region (121) positioned at the semiconductor substrate, a first electrode which is positioned on the semiconductor substrate and is connected to the emitter region, a second electrode which is positioned on the semiconductor substrate and is connected to the semiconductor substrate, and a second electrode current collector which is positioned on the semiconductor substrate and is connected to the second electrode. An overlap distance (d21, d22) between the second electrode and the second electrode current collector in a first direction (Y) corresponding to an extension direction of a conductive film positioned on the second electrode current collector is less than an overlap distance (d11, d12) between the second electrode and the second electrode current collector in a second direction (X) crossing the first direction.
    • 一种太阳能电池,包括:半导体衬底(110);位于所述半导体衬底处的发射极区域(121);位于所述半导体衬底上且连接至所述发射极区域的第一电极;位于所述半导体衬底上的第二电极 衬底并且连接到半导体衬底;以及第二电极集流器,位于半导体衬底上并连接到第二电极。 第二电极和第二电极集流体之间在与位于第二电极集流体上的导电膜的延伸方向相对应的第一方向(Y)上的重叠距离(d21,d22)小于重叠距离(d11, d12)在与第一方向交叉的第二方向(X)上在第二电极和第二电极集流器之间。
    • 10. 发明公开
    • METHOD FOR MANUFACTURING SOLAR CELL
    • VERFAHREN ZUR HERSTELLUNG EINER SOLARZELLE
    • EP2955761A1
    • 2015-12-16
    • EP15001698.8
    • 2015-06-08
    • LG Electronics Inc.
    • Lee, KyoungsooChoi, MinhoLee, JinhyungKwag, GyeayoungPark, Sangwook
    • H01L31/18H01L21/30
    • H01L31/1864H01L21/3003H01L31/1868Y02E10/50Y02P70/521
    • A method of manufacturing a solar cell is discussed. The method of manufacturing the solar cell includes: forming a conductive region on a semiconductor substrate; forming an electrode connected to the conductive region; and post-processing the semiconductor substrate to passivate the semiconductor substrate. The post-processing of the semiconductor substrate comprises a main processing process for heat-treating the semiconductor substrate while providing light to the semiconductor substrate. A temperature of the main processing process is about 100°C to about 800°C, and the temperature and light intensity of the main processing process satisfy Equation of 1750 - 31.8·T + (0.16)·T 2 ≤ I. Here, T is the temperate (°C) of the main processing process, and I is the light intensity(mW/cm 2 ) of the main processing process.
    • 讨论了制造太阳能电池的方法。 制造太阳能电池的方法包括:在半导体衬底上形成导电区域; 形成连接到所述导电区域的电极; 并对半导体衬底进行后处理以钝化半导体衬底。 半导体衬底的后处理包括用于对半导体衬底进行热处理同时向半导体衬底提供光的主要处理工艺。 主加工工序的温度为100℃〜800℃左右,主加工工序的温度和光强度满足1750〜31.8·T +(0.16)·T 2‰的等式。这里, T是主处理过程的温度(°C),I是主处理过程的光强度(mW / cm 2)。