Conductive polymer/si interfaces at the back side of solar cells
    1.
    发明公开
    Conductive polymer/si interfaces at the back side of solar cells 审中-公开
    LeitfähigePolymer / Si-Schnittstellen auf derRückseitevon Solarzellen

    公开(公告)号:EP3067949A1

    公开(公告)日:2016-09-14

    申请号:EP15158258.2

    申请日:2015-03-09

    摘要: The present invention relates to a solar cell (1) comprising a substrate (2) of p-type silicon or n-type silicon, wherein the substrate (2) comprises
    - a front side (2a) the surface of which is at least partially covered with at least one passivation layer (3) and
    - a back side (2b),

    wherein the back side (2b) of the substrate (2) is at least partially covered with a conductive polymer layer (4) and wherein at least one of the following conditions a) and b) is fulfilled:
    a) the conductive polymer layer (4) is at least partially in direct contact with the surface of the p-type or n-type silicon;
    b) the conductive polymer layer (4) comprises a cationic conductive polymer and a polymeric anion in a weight ratio cationic conductive polymer : polymeric anion of greater than 0.4.
    The present invention also relates to a process for the preparation of a solar cell, to a solar cell obtainable by this process and to a solar module.

    摘要翻译: 本发明涉及一种太阳能电池(1),其包括p型硅或n型硅的衬底(2),其中衬底(2)包括 - 前表面(2a),其表面至少部分地 覆盖有至少一个钝化层(3)和 - 背面(2b),其中所述基底(2)的背面(2b)至少部分地被导电聚合物层(4)覆盖,并且其中至少一个 满足以下条件a)和b):a)导电聚合物层(4)至少部分地与p型或n型硅的表面直接接触; b)导电聚合物层(4)包含阳离子导电聚合物和阳离子导电聚合物:聚合阴离子的重量比大于0.4的聚合阴离子。 本发明还涉及一种制备太阳能电池的方法,涉及通过该方法获得的太阳能电池和太阳能模块。

    Electro-conductive paste comprising an aliphatic mono-alcohol
    3.
    发明公开
    Electro-conductive paste comprising an aliphatic mono-alcohol 审中-公开
    Elektrisch leitende Paste mit einem aliphatischen Monoalkohol

    公开(公告)号:EP2905787A1

    公开(公告)日:2015-08-12

    申请号:EP14000452.4

    申请日:2014-02-07

    CPC分类号: H01L31/0224 H01B1/22

    摘要: In general, the invention relates to electro-conductive pastes comprising an aliphatic alcohol and their use in the preparation of photovoltaic solar cells. More specifically, the invention relates to electro-conductive pastes, solar cell precursors, processes for preparation of solar cells, solar cells and solar modules.
    The invention relates to a paste comprising the following paste constituents:
    a. metallic particles;
    b. an inorganic reaction system;
    c. an organic vehicle,

    wherein the organic vehicle comprises an aliphatic mono-alcohol containing one O atom per molecule in the range from about 1 to about 15 wt. %, based on the total weight of the organic vehicle.

    摘要翻译: 通常,本发明涉及包含脂肪醇的导电浆料及其在制备光伏太阳能电池中的用途。 更具体地,本发明涉及导电浆料,太阳能电池前体,太阳能电池的制备方法,太阳能电池和太阳能电池组件。 本发明涉及一种包含以下糊剂成分的糊剂:a。 金属颗粒; 湾 无机反应体系; C。 有机载体,其中所述有机载体包含每分子含有一个O原子的脂族单醇,其范围为约1至约15重量% %,基于有机载体的总重量。

    ELECTRO-CONDUCTIVE PASTES COMPRISING A METAL COMPOUND
    10.
    发明公开
    ELECTRO-CONDUCTIVE PASTES COMPRISING A METAL COMPOUND 审中-公开
    ELEKTROLEITFÄHIGEPASTEN MIT EINER METALLVERBINDUNG

    公开(公告)号:EP3076401A1

    公开(公告)日:2016-10-05

    申请号:EP16162254.3

    申请日:2016-03-24

    IPC分类号: H01B1/16 H01L31/0224 H01B1/22

    摘要: In general, the present invention relates to an electro-conductive paste comprising a metal additive and solar cells obtainable therefrom by application of the paste to a p-type doped face. More specifically, the present invention relates to electro-conductive pastes, solar cell precursors, processes for preparation of solar cells, solar cells and solar modules. The present invention relates to a precursor comprising the following paste constituents:
    a. A Si wafer with at least one p-type doped face and at least one n-type doped face;
    b. A conductive paste comprising the following paste constituents:
    i. at least about 70 wt. % Ag particles, based on the paste,
    ii. a vehicle,
    iii. a glass,
    iv. a metal compound comprising a metal M and which is one or more selected from the group consisting of: an organic metal oxide, a metal oxide, an organic metal compound and a silver metal oxide;
    wherein the conductive paste b. is superimposed on a p-type doped face.

    摘要翻译: 通常,本发明涉及包含金属添加剂的导电糊剂和通过将糊剂施加到p型掺杂面可获得的太阳能电池。 更具体地说,本发明涉及导电浆料,太阳能电池前体,太阳能电池的制备方法,太阳能电池和太阳能电池组件。 本发明涉及一种包含以下糊剂组分的前体:a。 具有至少一个p型掺杂面和至少一个n型掺杂面的Si晶片; 湾 一种导电糊剂,其包含以下糊剂成分:i。 至少约70wt。 %Ag颗粒,基于糊状物,ii。 车辆,iii。 一杯,iv。 包含金属M的金属化合物,其是选自有机金属氧化物,金属氧化物,有机金属化合物和银金属氧化物中的一种或多种的金属化合物; 其中所述导电浆料b。 叠加在p型掺杂面上。