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公开(公告)号：EP3376556A1
公开(公告)日：2018-09-19
申请号：EP16874736.8
申请日：2016-11-30
Applicant: BYD Company Limited
Inventor： TAN, Jing , ZHENG, Weixin
IPC: H01M2/10 , H01M10/613 , H01M10/625 , H01M10/6568 , H01M10/6556
CPC classification number: H01M2/1077 , B60L11/187 , B60L11/1879 , H01M2/10 , H01M10/613 , H01M10/625 , H01M10/6556 , H01M10/6568 , H01M2220/20
Abstract: The present invention provides a tray, a power battery pack, and an electric vehicle. The power battery pack includes a tray, a single cell, and a seal cover. A mounting space is formed between the tray and the seal cover, and the single cell is mounted in the mounting space. A heat dissipation channel is formed on the tray. The power battery pack provided in the present invention has a simpler structure, lower costs, a simple and convenient mounting process, and higher space utilization. Heat can be directly dissipated through the tray and be dissipated through the heat dissipation channel.
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公开(公告)号：EP2425471B1
公开(公告)日：2015-04-15
申请号：EP10769251.9
申请日：2010-04-18
Applicant: BYD Company Limited
Inventor： ZHENG, Weixin
CPC classification number: H01M2/024 , H01M2/1077 , H01M2/206 , H01M2/266 , H01M10/0413
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公开(公告)号：EP2409312B1
公开(公告)日：2014-10-01
申请号：EP10777379.8
申请日：2010-05-20
Applicant: BYD Company Limited
Inventor： TONG, Zhiwei , ZHU, Jianhua , ZHENG, Weixin , HU, Hao
CPC classification number: H01M2/206 , H01H85/36 , H01H2085/025 , H01M2/34 , H01M2200/103 , Y10T29/49107
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公开(公告)号：EP2425471A1
公开(公告)日：2012-03-07
申请号：EP10769251.9
申请日：2010-04-18
Applicant: BYD Company Limited
Inventor： ZHENG, Weixin
IPC: H01M2/00
CPC classification number: H01M2/024 , H01M2/1077 , H01M2/206 , H01M2/266 , H01M10/0413
Abstract: A single cell (1) comprises a shell, a cover board (2) and an electric core (5). The cover board (2) is connected with the shell in a sealed manner. The electric core (5) is accommodated in the shell, at least two electrode terminals having the same polarity penetrate through the cover board (2) respectively. A power battery pack comprises a plurality of single cells as described above. The single cell and battery pack have improved rate discharging characteristics, especially welding problems may be solved and the manufacturing process may be simplified.
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公开(公告)号：EP2409312A1
公开(公告)日：2012-01-25
申请号：EP10777379.8
申请日：2010-05-20
Applicant: BYD Company Limited
Inventor： TONG, Zhiwei , ZHU, Jianhua , ZHENG, Weixin , HU, Hao
CPC classification number: H01M2/206 , H01H85/36 , H01H2085/025 , H01M2/34 , H01M2200/103 , Y10T29/49107
Abstract: A current fuse device and a battery assembly comprising the same. The current fuse device (100, 200) comprises an insulating box(1) having a cavity(10), a first conductor(21) with a first inner end(211), a second conductor(22) with a second inner end(221) and at least one elastic member(31,32) provided on at least one of the first conductor(21) and the second conductor(22) inside the cavity(10). The elastic member(31,32) forms electrical connection with the first and second inner ends(211, 221) simultaneously. The elastic member(31,32) may have elastic potential energy to break the electrical connection during short-circuiting.
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Patent Agency Ranking
公开(公告)号：EP4395007A1
公开(公告)日：2024-07-03
申请号：EP22900022.9
申请日：2022-09-08
Applicant: BYD Company Limited
Inventor： WANG, Xiao , YOU, Yueqiu , SHU, Yuanmao , ZHENG, Weixin , LU, Zhipei
IPC: H01M10/615 , H01M50/244 , H01M50/249
CPC classification number: Y02E60/10 , H01M50/204 , H01M50/249 , H01M10/6571 , H01M50/244 , H01M10/6554 , H01M10/625 , H01M10/615
Abstract: A battery pack and an electric vehicle are provided. The battery pack includes a tray and a heating component. The heating component is arranged within the tray, and the heating component includes multiple heating sections. In the heating component of the battery pack, heating powers of the multiple heating sections are different, and the multiple heating sections are respectively configured to heat multiple regions within the tray to balance an ambient temperature within the tray.
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公开(公告)号：EP4369497A2
公开(公告)日：2024-05-15
申请号：EP24167375.5
申请日：2019-06-21
Applicant: BYD Company Limited
Inventor： HE, Long , SUN, Huajun , JIANG, Wenfeng , LU, Zhipei , ZHENG, Weixin , TANG, Jianglong , ZHU, Yan , WANG, Xinyue , HE, Kefeng
IPC: H01M50/249
CPC classification number: B60K1/04 , B60K2001/043820130101 , H01M50/249 , H01M2220/2020130101 , H01M50/131 , H01M50/209 , H01M50/103 , H01M50/367 , H01M10/6554 , H01M10/6556 , H01M10/6567 , H01M10/6568 , H01M10/6569 , H01M10/625 , H01M50/119 , Y02E60/10
Abstract: A battery pack and an electric vehicle are provided. The battery pack includes a housing; anda plurality of cells, provided in the housing, each cell comprises a cell body having a length L, a width H, a thickness D and a volume V, and the thickness D of the cell body and the volume V of the cell body satisfy D/V= 0.0000065 mm-2-0.00002 mm-2; wherein the battery pack has a first direction and a second direction perpendicular to each other; a length direction of the cell is arranged along the first direction of the battery pack, and the plurality of cells are arranged along the second direction of the battery pack; the housing accommodates only one cell along the first direction; and the cell comprises a cell body, and the length of the cell body is 600-2500 mm.
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公开(公告)号：EP4369494A2
公开(公告)日：2024-05-15
申请号：EP24167371.4
申请日：2019-06-21
Applicant: BYD Company Limited
Inventor： HE, Long , SUN, Huajun , JIANG, Wenfeng , LU, Zhipei , ZHENG, Weixin , TANG, Jianglong , ZHU, Yan , WANG, Xinyue , HE, Kefeng
IPC: H01M50/249
CPC classification number: B60K1/04 , B60K2001/043820130101 , H01M50/249 , H01M2220/2020130101 , H01M50/131 , H01M50/209 , H01M50/103 , H01M50/367 , H01M10/6554 , H01M10/6556 , H01M10/6567 , H01M10/6568 , H01M10/6569 , H01M10/625 , H01M50/119 , Y02E60/10
Abstract: A cell for a battery pack, a battery pack and an electric vehicle are provided. The cell for a battery pack comprising: a cell body (110) having a length L, a width H, a thickness D, a surface area S and a volume V, the length L of the cell body being greater than the width H, and the width H of the cell body being greater than the thickness D, wherein the length L of the cell body is 400-1500 mm; and wherein the surface area S of the cell body (110) and the volume V of the cell body (110) satisfy: S/V= 0.1 mm-1-0.35 mm-1, and the length L of the cell body (110) and the surface area S of the cell body (110) satisfy: L/S= 0.002 mm-1-0.005 mm-1.
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公开(公告)号：EP4329057A2
公开(公告)日：2024-02-28
申请号：EP23220824.9
申请日：2019-06-21
Applicant: BYD Company Limited
Inventor： HE, Long , SUN, Huajun , JIANG, Wenfeng , LU, Zhipei , ZHENG, Weixin , TANG, Jianglong , ZHU, Yan , WANG, Xinyue , HE, Kefeng
IPC: H01M50/103
Abstract: The present invention basically relates to a power battery pack, configured to provide power for an electric vehicle and comprising: a pack body; a plurality of cells, disposed in the pack body, the cell having a length L 0 , a width H 0 , and a thickness D 0 , wherein L 0 >H 0 ≥D 0 ; when the power battery pack is placed on the electric vehicle, a length direction of the cell extends along a width direction or a length direction of the electric vehicle; when the length direction of the cell extends along the width direction of the electric vehicle, the length L 0 of the cell and a size W of a vehicle body of the electric vehicle in the width direction meet: 46%≤L 0 /W≤76%; or when the length direction of the cell extends along the length direction of the electric vehicle, the length L 0 of the cell and a size X of the vehicle body of the electric vehicle in the length direction meet: 40%≤L 0 /X≤76%, at least one of the cells, comprising a battery body, the battery body having a length L, a width H, a thickness D, and a volume V, the length L of the battery body being greater than the width H, and the width H of the battery body being greater than the thickness D, wherein the battery body meets: 400mm≤L≤2500mm and H/V=0.0001 mm -2 to 0.00015 mm -2 .
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公开(公告)号：EP4250429A1
公开(公告)日：2023-09-27
申请号：EP21904892.3
申请日：2021-04-22
Applicant: BYD Company Limited
Inventor： WANG, Yongnan , ZENG, Yi , ZHENG, Weixin , LIAO, Zhengyuan
Abstract: A battery information sampling assembly, includes a battery sampling controller and a flexible printed circuit board. The flexible printed circuit board is configured to collect information of a corresponding cell. The flexible printed circuit board is connected with the battery sampling controller.
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