公开(公告)号：WO2017107927A1

公开(公告)日：2017-06-29

申请号：PCT/CN2016/111362

申请日：2016-12-21

Applicant: BYD COMPANY LIMITED

Inventor： SUN, Xiang ,  YAO, Yunjiang

IPC: H01L31/0224 ,  H01L31/18

CPC classification number: H01L31/022441 ,  Y02E10/50

Abstract: A back contact solar cell substrate, a method of manufacturing the same and a back contact solar cell including the same are provided. The back contact solar cell substrate includes: a silicon chip (4), a light-receiving grid line (1) disposed on a light-receiving surface of the silicon chip (4), a side connecting element (10) disposed on a side surface of the silicon chip (4) and insulated from the silicon chip (4); a positive electrode (6) disposed on a backlight surface of the silicon chip (4); a negative electrode (8) disposed on and insulated from the backlight surface of the silicon chip (4), and electrically connected to the light-receiving grid line (1) through the side connecting element (10); and a back surface field (5) disposed between the positive electrode (6) and the backlight surface of the silicon chip (4), and electrically contacted with the positive electrode (6).

Abstract translation: 提供了一种背接触太阳能电池基板及其制造方法以及包括该背接触太阳能电池的背接触太阳能电池。 背接触式太阳能电池基板包括：硅芯片（4），设置在硅芯片（4）的光接收表面上的光接收栅格线（1），设置在硅芯片 硅芯片（4）的表面并且与硅芯片（4）绝缘; 设置在硅芯片（4）的背光表面上的正电极（6）; 负极（8），设置在硅芯片（4）的背光表面上并与之绝缘，并通过侧面连接元件（10）与光接收栅格线（1）电连接; 和设置在正极（6）与硅芯片（4）的背光表面之间并与正极（6）电接触的背表面场（5）。

公开(公告)号：WO2014173282A1

公开(公告)日：2014-10-30

申请号：PCT/CN2014/075910

申请日：2014-04-22

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED

Inventor： JIANG, Zhanfeng ,  GUAN, Jingbo ,  YAO, Yunjiang ,  WU, Yu ,  FANG, Bo ,  CHEN, Qiang

IPC: H01L31/054 ,  H01L31/0352

CPC classification number: H01L31/0547 ,  H01L31/02366 ,  H01L31/048 ,  H01L31/056 ,  Y02E10/52

Abstract: A solar cell module (100) includes a transparent layer (31); a plurality of cells (2) disposed on an upper surface of the transparent layer (31) and spaced apart from each other; a reflective layer (32) disposed on the upper surface of the transparent layer (31) and surrounding at least a portion of a peripheral of at least one cell (2); and a cover plate (1) disposed above the plurality of cells (2) and the reflective layer (32). At least a part, opposed to the reflective layer (32), of a lower surface of the cover plate (1) has a serrate shape.

Abstract translation: 太阳能电池模块（100）包括透明层（31）; 设置在所述透明层（31）的上表面并彼此间隔开的多个单元（2）; 设置在所述透明层（31）的上表面上并围绕至少一个电池（2）的周边的至少一部分的反射层（32）; 以及设置在所述多个单元（2）和所述反射层（32）上方的盖板（1）。 盖板（1）的下表面的与反射层（32）相对的至少一部分具有锯齿形状。

公开(公告)号：EP3394901A1

公开(公告)日：2018-10-31

申请号：EP16877737.3

申请日：2016-12-21

Applicant: BYD Company Limited

Inventor： SUN, Xiang ,  YAO, Yunjiang

IPC: H01L31/0224 ,  H01L31/18

CPC classification number: H01L31/022441 ,  H01L31/0516 ,  Y02E10/50

Abstract: A back contact solar cell substrate, a method of manufacturing the same and a back contact solar cell including the same are provided. The back contact solar cell substrate includes: a silicon chip, a light-receiving grid line disposed on a light-receiving surface of the silicon chip, a side connecting element disposed on a side surface of the silicon chip and insulated from the silicon chip; a positive electrode disposed on a backlight surface of the silicon chip; a negative electrode disposed on and insulated from the backlight surface of the silicon chip, and electrically connected to the light-receiving grid line through the side connecting element; and a back surface field disposed between the positive electrode and the backlight surface of the silicon chip, and electrically connected with the positive electrode.

公开(公告)号：EP3480860A1

公开(公告)日：2019-05-08

申请号：EP17819185.4

申请日：2017-06-23

Applicant: BYD Company Limited

Inventor： SUN, Xiang ,  YAO, Yunjiang ,  TIAN, Ye ,  FAN, Bei ,  JIANG, Zhanfeng

IPC: H01L31/05

CPC classification number: H01L31/0504 ,  H01L31/022425 ,  H01L31/022441 ,  H01L31/03529 ,  H01L31/0516 ,  H01L31/068 ,  Y02E10/50

Abstract: The disclosure discloses a photovoltaic cell assembly, a photovoltaic cell array, and a solar cell assembly. The photovoltaic cell assembly includes: a plurality of photovoltaic cells arranged sequentially along a longitudinal direction, and at least one conductive band, where each photovoltaic cell includes a silicon wafer, a front conductive member disposed on a front surface of the silicon wafer, two electrodes disposed on a back surface of the silicon wafer, and a side conductive member that is disposed on a side surface of the silicon wafer and that is electrically connected between the front conductive member and one electrode, where the two electrodes extend along a transverse direction and are distributed at an interval in the longitudinal direction; and the conductive band has an extension direction the same as that of the electrode, and is electrically connected to two electrodes that are close to each other and that are respectively located on two neighboring photovoltaic cells, so that the two neighboring photovoltaic cells are connected in series or connected in parallel.

公开(公告)号：EP3480859A1

公开(公告)日：2019-05-08

申请号：EP17819184.7

申请日：2017-06-23

Applicant: BYD Company Limited

Inventor： SUN, Xiang ,  YAO, Yunjiang ,  TIAN, Ye ,  ZHOU, Yuntan ,  TENG, Meiling ,  JIANG, Zhanfeng

IPC: H01L31/05 ,  H01L31/0224

Abstract: The disclosure discloses a photovoltaic cell, a photovoltaic cell array, a solar cell, and a method for preparing a photovoltaic cell. The photovoltaic cell includes: a silicon wafer, a gate line layer, a side electrode, a first electrode, a back electrical layer, and a second electrode. The silicon wafer includes a silicon substrate, a front diffusion layer, a side division layer, and a back division layer. At least a part of at least one of the side division layer and the back division layer is a diffusion layer whose type is the same as that of the front diffusion layer. The gate line layer is disposed on the front diffusion layer. The side electrode is disposed on the side division layer and is electrically connected to the gate line layer. The first electrode is disposed on the back division layer and is electrically connected to the side electrode. The back electrical layer and the second electrode are both disposed on a back surface of the silicon wafer. The back electrical layer is electrically connected to the second electrode and is not in contact with the first electrode.

公开(公告)号：EP3480860B1

公开(公告)日：2020-11-11

申请号：EP17819185.4

申请日：2017-06-23

Applicant: BYD Company Limited

Inventor： SUN, Xiang ,  YAO, Yunjiang ,  TIAN, Ye ,  FAN, Bei ,  JIANG, Zhanfeng

IPC: H01L31/05 ,  H01L31/0224 ,  H01L31/0352 ,  H01L31/068

公开(公告)号：EP3477708A1

公开(公告)日：2019-05-01

申请号：EP17833494.2

申请日：2017-07-21

Applicant: BYD Company Limited

Inventor： SUN, Xiang ,  YAO, Yunjiang ,  JIANG, Zhanfeng

IPC: H01L31/048 ,  H01L31/054

Abstract: The present disclosure provides a solar cell assembly, comprising a front plate, a front glue film layer, a cell piece array, a back glue film layer and a back plate which are sequentially stacked, wherein the front plate comprises glass, a side, deviating from the cell piece array, of the glass is provided with one or more light scattering units, and each light scattering unit is of a sunken structure formed when the side, deviating from the cell piece array, of the glass is sunken inwards towards a side, adjacent to the cell piece array, of the glass. The present disclosure provides that the light scattering unit is not needed to correspond to a non gate line portion of a cell piece, a requirement for type correspondence of the glass and the cell piece is not high, it is guaranteed that a whole silicon wafer can utilize incident light rays very well, a light receiving area of the glass is increased, assembly power is improved, and assembly installing cost is lowered.

公开(公告)号：EP2956972A1

公开(公告)日：2015-12-23

申请号：EP14789023.0

申请日：2014-04-22

Applicant: BYD Company Limited

Inventor： JIANG, Zhanfeng ,  GUAN, Jingbo ,  YAO, Yunjiang ,  WU, Yu ,  FANG, Bo ,  CHEN, Qiang

IPC: H01L31/054 ,  H01L31/0352

CPC classification number: H01L31/0547 ,  H01L31/02366 ,  H01L31/048 ,  H01L31/056 ,  Y02E10/52

Abstract: A solar cell module (100) includes a transparent layer (31); a plurality of cells (2) disposed on an upper surface of the transparent layer (31) and spaced apart from each other; a reflective layer (32) disposed on the upper surface of the transparent layer (31) and surrounding at least a portion of a peripheral of at least one cell (2); and a cover plate (1) disposed above the plurality of cells (2) and the reflective layer (32). At least a part, opposed to the reflective layer (32), of a lower surface of the cover plate (1) has a serrate shape.

Abstract translation: 太阳能电池组件（100）包括透明层（31）; 多个单元（2），其设置在所述透明层（31）的上表面上并且彼此间隔开; 设置在透明层（31）的上表面上并且围绕至少一个单元（2）的外围的至少一部分的反射层（32）; 和布置在所述多个单元（2）和反射层（32）上方的盖板（1）。 盖板（1）的下表面的与反射层（32）相对的至少一部分具有锯齿形状。