公开(公告)号：US20210288381A1

公开(公告)日：2021-09-16

申请号：US16328601

申请日：2017-08-14

Applicant: BYD Company Limited

Inventor： Jialing HU ,  Jun SHAN ,  Jinxiang WU ,  Long HE

IPC: H01M50/417 ,  H01M50/434 ,  H01M50/491 ,  H01M50/454 ,  H01M50/42 ,  H01M50/426

Abstract: The disclosure relates to the field of lithium-ion batteries, and discloses a polymer composite membrane and a method for preparing same. The disclosure further includes a lithium-ion battery for which the foregoing polymer composite membrane is used. The polymer composite membrane includes a porous base membrane and a heat-resistant fiber layer covering at least one side surface of the porous base membrane, where materials of the heat-resistant fiber layer contain a first polymeric material and a second polymeric material.

公开(公告)号：US20210249725A1

公开(公告)日：2021-08-12

申请号：US17049732

申请日：2019-06-21

Applicant: BYD COMPANY LIMITED

Inventor： Long HE ,  Huajun SUN ,  Wenfeng JIANG ,  Zhipei LU ,  Weixin ZHENG ,  Jianglong TANG ,  Yan ZHU ,  Xinyue WANG ,  Kefeng HE

IPC: H01M50/209 ,  B60K1/04 ,  B60L50/64 ,  B60L50/60 ,  H01M50/244 ,  H01M50/249 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6554

Abstract: A battery pack, a vehicle, and an energy storage device are provided. The battery pack includes a cell array and a support member, where the cell array includes a plurality of cells, the cell has a first dimension, and the first dimension is a maximum spacing between two imaginary parallel planes sandwiching the cell; and at least one of the cells 600 mm≤first dimension≤2500 mm the at least one cell includes a casing and a core located inside the casing, a supporting region is formed on the casing, and the cell is connected to the support member through the supporting region and is supported by the support member. The support member is connected to the supporting region to support the cell.

公开(公告)号：US20210175572A1

公开(公告)日：2021-06-10

申请号：US17048947

申请日：2019-06-21

Applicant: BYD COMPANY LIMITED

Inventor： Long HE ,  Huajun SUN ,  Wenfeng JIANG ,  Zhipei LU ,  Weixin ZHENG ,  Jianglong TANG ,  Yan ZHU ,  Xinyue WANG ,  Kefeng HE

IPC: H01M50/209 ,  H01M50/249 ,  H01M50/383 ,  B60K1/04

Abstract: A battery pack, a vehicle, and an energy storage device are provided. The battery pack includes: a battery pack housing and a plurality of rectangular cells, the battery pack housing having a first direction and a second direction perpendicular to the first direction; where the battery pack has a dimension greater than or equal to 600 mm along the first direction, and at least one rectangular cell accommodating unit is formed in the battery pack housing; the plurality of rectangular cells are arranged in the rectangular cell accommodating unit along the second direction; the rectangular cell extends along the first direction, and one rectangular cell is disposed in each rectangular cell accommodating unit along the first direction; the rectangular cell has a thickness of D, a length of L, and a height of H; the battery pack has a dimension greater than or equal to L along the first direction; and a length direction of at least one rectangular cell extends from one side of the rectangular cell accommodating unit to the other side of the rectangular cell accommodating unit along the first direction, and meets: L>H, L>D, 600 mm≤L≤2500 mm, 23≤L/D≤208.

公开(公告)号：US20210162872A1

公开(公告)日：2021-06-03

申请号：US16954129

申请日：2018-12-13

Applicant: BYD COMPANY LIMITED

Inventor： Long HE ,  Xi SHEN ,  Luxia JIANG ,  Wenfeng JIANG

IPC: B60L50/64 ,  H01M10/44 ,  B60L58/10 ,  B60L3/04 ,  B60L3/00

Abstract: A battery system and an electric vehicle are disclosed. The battery system includes at least one series circuit, a pouch battery and at least one first cell connected to the pouch battery in series being disposed in the series circuit, and a current interrupt device being disposed on the first cell; and the current interrupt device of the first cell being configured to interrupt an internal current of the first cell when at least one of the pouch battery and the first cell is abnormal.

公开(公告)号：US20190237732A1

公开(公告)日：2019-08-01

申请号：US16319911

申请日：2017-08-14

Applicant: BYD COMPANY LIMITED

Inventor： Jialing HU ,  Ronghua LIU ,  Jun SHAN ,  Long HE

IPC: H01M2/16 ,  H01M2/14 ,  H01M10/0525

CPC classification number: H01M2/1633 ,  B32B2305/30 ,  H01M2/145 ,  H01M2/1653 ,  H01M2/1666 ,  H01M2/168 ,  H01M2/1686 ,  H01M10/052 ,  H01M10/0525

Abstract: The disclosure relates to the field of lithium-ion batteries, and discloses a lithium-ion battery separator, a method for preparing same, and a lithium-ion battery. The lithium-ion battery separator includes: a porous basement membrane, and a heat-resistant layer covering at least one side surface of the porous basement membrane, where the heat-resistant layer contains a high-temperature-resistant polymer and inorganic nanometer particles; and the heat-resistant layer has a fiber-network shaped structure.

公开(公告)号：US20160126389A1

公开(公告)日：2016-05-05

申请号：US14738516

申请日：2015-06-12

Applicant: BYD COMPANY LIMITED

Inventor： Zhiqiang ZHAO ,  Zhanfeng JIANG ,  Long HE

IPC: H01L31/05 ,  H01L31/048 ,  H01L31/02

CPC classification number: H01L31/02013 ,  H01L31/02008 ,  H01L31/022433 ,  H01L31/048 ,  H01L31/0488 ,  H01L31/049 ,  H01L31/0504 ,  H01L31/0508 ,  H01L31/18 ,  Y02E10/50

Abstract: In one aspect, a solar cell unit comprises a cell. The cell includes a cell substrate and a plurality of secondary grid lines disposed on a front surface of the cell substrate. The solar cell unit also comprises a plurality of conductive wires spaced apart from each other. The plurality of conductive wires intersects and is connected with the secondary grid lines. At least one secondary grid line has at least one gap located between adjacent conductive wires.

Abstract translation: 一方面，太阳能电池单元包括电池。 电池包括电池基板和设置在电池基板的前表面上的多个次级栅格线。 太阳能电池单元还包括彼此间隔开的多个导电线。 多个导线与二次栅格线相交并连接。 至少一个次级栅格线具有位于相邻导线之间的至少一个间隙。

公开(公告)号：US20160126372A1

公开(公告)日：2016-05-05

申请号：US14738322

申请日：2015-06-12

Applicant: BYD COMPANY LIMITED

Inventor： Zhiqiang ZHAO ,  Meiling TENG ,  Nan WANG ,  Zhanfeng JIANG ,  Long HE

IPC: H01L31/0224 ,  H01L31/048 ,  H01L31/18 ,  H01L31/05

CPC classification number: H01L31/02013 ,  H01L31/02008 ,  H01L31/022433 ,  H01L31/048 ,  H01L31/0488 ,  H01L31/049 ,  H01L31/0504 ,  H01L31/0508 ,  H01L31/18 ,  Y02E10/50

Abstract: A solar cell array comprises a plurality of cells. Each cell has a front surface on which light is incident when the cell is in operation and a back surface opposite to the front surface. The solar cell array also comprises a plurality of conductive wires. Adjacent cells are connected by the plurality of conductive wires. The solar cell array further comprises secondary grid lines disposed on the front surface of the respective cell. The secondary grid lines comprise middle secondary grid lines disposed in the middle of the respective cell and intersecting with the conductive wires, and edge secondary grid lines disposed on the edges of the respective cell and non-intersecting with the conductive wires. The solar cell array also comprises short grid lines disposed on the front surface of the cell. The short grid lines connect the edge secondary grid lines with the conductive wires or with at least one middle secondary grid line.

Abstract translation: 太阳能电池阵列包括多个电池。 每个电池单元具有在电池工作时光入射的前表面和与前表面相对的后表面。 太阳能电池阵列还包括多根导电线。 相邻的电池通过多根导线连接。 太阳能电池阵列还包括设置在相应电池的前表面上的次级栅格线。 次级栅格线包括设置在相应单元的中间并与导线相交的中间二次栅格线，以及设置在相应单元的边缘上且与导电线不相交的边缘二次栅格线。 太阳能电池阵列还包括设置在电池前表面上的短栅格线。 短栅格线将边缘辅助栅格线与导线或至少一个中间次级栅格线连接。

公开(公告)号：US20160126364A1

公开(公告)日：2016-05-05

申请号：US14738677

申请日：2015-06-12

Applicant: BYD COMPANY LIMITED

Inventor： Zhiqiang ZHAO ,  Ye TIAN ,  Liguo WANG ,  Shengya WANG ,  Zhanfeng JIANG ,  Long HE

IPC: H01L31/02 ,  H01L31/048 ,  H01L31/05

CPC classification number: H01L31/02013 ,  H01L31/02008 ,  H01L31/022433 ,  H01L31/048 ,  H01L31/0488 ,  H01L31/049 ,  H01L31/0504 ,  H01L31/0508 ,  H01L31/18 ,  Y02E10/50

Abstract: A solar cell unit comprises a cell. The cell includes a cell substrate and a secondary grid line disposed on a front surface of the cell substrate. The solar cell unit also comprises a conductive wire intersecting and welded with the secondary grid line. The secondary grid line has a width in a welding position with the conductive wire greater than a width thereof in a non-welding position.

Abstract translation: 太阳能电池单元包括电池。 电池包括设置在电池基板的前表面上的电池基板和辅格栅线。 太阳能电池单元还包括与第二栅极线相交并焊接的导线。 次级栅格线具有焊接位置的宽度，其中导线大于其非焊接位置的宽度。