公开(公告)号：EP3244454A1

公开(公告)日：2017-11-15

申请号：EP15876420.9

申请日：2015-07-08

申请人： Jolywood(Suzhou) Sunwatt Co., Ltd

发明人： LIN, Jianwei ,  XIA, Wenjin ,  SUN, Yuhai

IPC分类号： H01L31/0224 ,  H01L31/048 ,  H01L31/18

CPC分类号： H01L31/0516 ,  H01L31/0201 ,  H01L31/0224 ,  H01L31/022441 ,  H01L31/048 ,  H01L31/0512 ,  H01L31/18 ,  Y02E10/50 ,  Y02P70/521

摘要： The present application relates to the field of solar cells, and in particular to a main-gate-free and high-efficiency back-contact solar cell module, assembly, and a preparation process thereof. The main-gate-free and high-efficiency back-contact solar cell module comprises solar cells and an electrical connection layer, a backlight side of the solar cells having P-electrodes connected to a P-type doping layer and N-electrodes connected to an N-type doping layer, wherein the electrical connection layer comprises a number of small conductive gate lines, part of which are connected to the P-electrodes on the backlight side of the solar cells while the other part of which are connected to the N-electrodes on the backlight side of the solar cells; and, the small conductive gate lines are of a multi-section structure. The present application has the following beneficial effects: the usage of silver paste is decreased, and the cost is reduced; moreover. The arrangement of small conductive gate lines in a multi-section structure reduces the series resistance and the transmission distance of a filling factor, so that the efficiency is improved and the stress on the cells from the small conductive gate lines can be effectively reduced.

摘要翻译： 本发明涉及太阳能电池领域，尤其涉及一种无主栅极高效背接触太阳能电池模块，组件及其制备工艺。 无主栅极高效率背接触太阳能电池模块包括太阳能电池和电连接层，太阳能电池的背光侧具有连接到P型掺杂层的P电极和连接到 N型掺杂层，其中所述电连接层包括多个小导电栅线，所述多个小导电栅线中的一部分连接至所述太阳能电池的背光侧上的P电极，而另一部分连接至所述N - 太阳能电池的背光侧上的电极; 并且，小的导电栅极线具有多段结构。 本申请具有以下有益效果：减少银浆的使用量，降低成本; 此外。 小截面导电栅线在多截面结构中的布置降低了填充因子的串联电阻和传输距离，从而提高了效率，并且可以有效减小小导电栅线对单元的应力。

公开(公告)号：EP3200240A1

公开(公告)日：2017-08-02

申请号：EP15843790.5

申请日：2015-03-23

申请人： Jolywood(Suzhou) Sunwatt Co., Ltd

发明人： LIN, Jianwei ,  XIA, Wenjin ,  SUN, Yuhai ,  ZHANG, Yuzheng

IPC分类号： H01L31/05

CPC分类号： H01L31/0516 ,  H01L31/0201 ,  H01L31/02167 ,  H01L31/022441 ,  H01L31/0481 ,  H01L31/0512 ,  H01L31/1864 ,  H01L31/1876 ,  Y02E10/50 ,  Y02P70/521

摘要： The present invention relates to the field of solar cells, and in particular to a main-gate-free and high-efficiency back-contact solar cell module, a main-gate-free and high-efficiency back-contact solar cell assembly, and a preparation process thereof. The solar cell module, comprising cells and an electrical connection layer, a backlight side of the cells having P-electrodes connected to a P-type doping layer and N-electrodes connected to a N-type doping layer, is characterized in that the electrical connection layer comprises a number of parallel leads each electrically connected to the P-electrodes or the N-electrodes. The present invention has the beneficial effect that a main-gate-free and high-efficiency back-contact solar cell module, a main-gate-free and high-efficiency back-contact solar cell assembly, and a preparation process thereof are provided, which can effectively the short-circuiting of the P-electrodes and the N-electrodes and has the advantages of low cost, high hidden-cracking resistance, high efficiency and high stability.

摘要翻译： 本发明涉及太阳能电池领域，尤其涉及一种无主栅极高效背接触太阳能电池模块，无主栅极高效背接触太阳能电池组件以及 其制备过程。 所述太阳能电池模块包括电池和电连接层，所述电池的背光侧具有连接到P型掺杂层的P电极和连接到N型掺杂层的N电极，其特征在于， 连接层包括多个平行引线，每个平行引线电连接到P电极或N电极。 本发明具有以下有益效果：提供了无主栅极高效率背接触太阳能电池模块，无主栅极高效背接触太阳能电池组件及其制备工艺， 可以有效地将P电极和N电极短路，具有成本低，抗开裂性高，效率高，稳定性高的优点。