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公开(公告)号：US20230040013A1
公开(公告)日：2023-02-09
申请号：US17792658
申请日：2021-01-04
Applicant: BYD COMPANY LIMITED
Inventor： Long HE , Huajun SUN , Shichao HU , Zhiyong AO , Yan ZHU
IPC: H01M50/24 , H01M50/249 , H01M50/271 , H01M50/30 , H01M50/51 , H01M50/224
Abstract: A battery pack and an electric vehicle are provided. The battery pack includes a battery sequence. The battery sequence includes multiple cells. A thickness of each cell extends along a first direction. The multiple cells are arranged in sequence along the first direction to form the battery sequence. At least one of the cells includes a metal shell and an electrode core packaged in the metal shell. An air pressure inside the metal shell is lower than an air pressure outside the metal shell. A gap is provided between at least two adjacent cells. A ratio of the gap to the thickness of the cell ranges from 0.001 to 0.15.
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公开(公告)号：US20220416343A1
公开(公告)日：2022-12-29
申请号：US17777938
申请日：2020-10-22
Applicant: BYD COMPANY LIMITED
Inventor： Long HE , Huajun SUN , Yan ZHU , Liangwen TAN , Long WAN
IPC: H01M50/209 , H01M50/218 , H01M10/6555 , H01M10/613 , H01M10/625 , B60L50/64
Abstract: This application relates a battery pack and an electric vehicle. The battery pack includes a housing provided with a bottom surface and a top surface. A battery assembly is arranged in the housing. The battery assembly includes a structural reinforcing member and a cell sequence formed by connecting multiple cells. An outer surface of the cell includes a bottom surface, a top surface, first lateral surfaces, and two opposing second lateral surface. The bottom surface of the cell faces the bottom surface of the housing, and the top surface of the cell faces the top surface of the housing. The first lateral surface has a largest area. The multiple cells are arranged with second lateral surfaces thereof facing each other to form the cell sequence, and the structural reinforcing member is fixedly bonded with a first lateral surface of each cell in the cell sequence. The battery assembly abuts with the bottom surface of the housing to be supported in the housing.
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公开(公告)号：US20210126231A1
公开(公告)日：2021-04-29
申请号：US17019852
申请日：2020-09-14
Applicant: BYD COMPANY LIMITED
Inventor： Chuanfu WANG , Long HE , Huajun SUN , Jianhua ZHU , Zhipei LU , Yan ZHU , Shichao HU
Abstract: A battery includes a case and a battery core assembly disposed in the case, the battery core assembly includes a plurality of battery core groups and an receiving space holding the plurality of battery core groups, the battery core groups are connected in series, and the battery core group includes at least one battery core; a separator plate is disposed between at least two adjacent battery core groups, the separator plate divides the receiving space into a plurality of receiving cavities, each of the receiving cavities holds one or more battery core groups , and a cavity wall of the receiving cavity comprised by a connection of the separator plate and a separation membrane; and the battery further includes a liquid injection channel and the liquid injection channel in a sealed state, the liquid injection channel is disposed on at least one of the separation membranes and the separator plates.
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4.发明申请公开(公告)号：US20160126362A1
公开(公告)日：2016-05-05
申请号：US14738409
申请日：2015-06-12
Applicant: BYD COMPANY LIMITED
Inventor： Zhiqiang ZHAO , Zhanfeng JIANG , Long HE
Abstract: A solar cell array comprises a plurality of cells, adjacent cells connected by a metal wire. At least one metal wire extends reciprocally between a surface of a first cell and a surface of a second cell adjacent to the first cell to form a plurality of conductive wires. The number of the conductive wires is n, y−y×20%≦n≦y+y×20%, in which n is an integer and y=4.0533X−1.28/1562*A*B, in which X is a diameter value of the metal wire with mm as a unit, 0.1≦X≦0.5, A and B representing length and width of the cell with mm as the unit. The cells comprise secondary grid lines disposed on front surfaces thereof. The conductive wires are welded with the secondary grid lines by a welding layer.
Abstract translation: 太阳能电池阵列包括多个电池，相邻电池通过金属线连接。 至少一个金属线在第一单元的表面和与第一单元相邻的第二单元的表面之间往复地延伸以形成多个导电线。 导线的数量为n，y-y×20％＆nlE; n＆nlE; y + y×20％，其中n为整数，y = 4.0533X-1.28 / 1562 * A * B，其中X为 以mm为单位的金属线的直径值为0.1＆nlE; X＆nlE; 0.5，A和B表示以mm为单位的单元的长度和宽度。 细胞包括设置在其前表面上的次级栅格线。 导线通过焊接层与次级栅格线焊接。
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公开(公告)号：US20230059574A1
公开(公告)日：2023-02-23
申请号：US17792318
申请日：2021-01-04
Applicant: BYD COMPANY LIMITED
Inventor： Long HE , Huajun SUN , Shichao HU , Wansong YUAN , Yan ZHU
IPC: H01M50/119 , H01M10/04 , H01M50/186 , H01M50/103 , H01M50/451 , H01M50/317 , H01M50/51 , H01M50/529
Abstract: A battery, a battery module, a battery pack, and an electric vehicle are provided. The battery includes a metal shell and a plurality of electrode core assemblies sealed in the metal shell and arranged in sequence. The electrode core assemblies are connected in series. Each of the electrode core assemblies includes at least one electrode core. The electrode core assemblies are sealed in a packaging film. An air pressure between the metal shell and the packaging film is lower than an air pressure outside the metal shell. An air pressure inside the packaging film is lower than the air pressure between the metal shell and the packaging film.
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Patent Agency Ranking
公开(公告)号：US20220118841A1
公开(公告)日：2022-04-21
申请号：US17421895
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: B60K1/04 , B60L50/64 , B60L50/60 , H01M10/6554 , H01M50/209 , H01M50/244 , H01M50/35 , H01M50/342
Abstract: Provided are a power battery pack and an electric vehicle. The power battery pack includes: a pack body, where an accommodating space is defined in the pack body, the pack body is provided therein with at least one widthwise cross beam or lengthwise cross beam, the widthwise cross beam extends along a width direction of the power battery pack, the lengthwise cross beam extends along a length direction of the power battery pack, and the accommodating space is divided into a plurality of accommodating chambers by the at least one widthwise cross beam or lengthwise cross beam; and a plurality of cells, disposed in the pack body and directly arranged in the accommodating chambers, where at least one cell is arranged in each accommodating chamber to form a cell array.
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公开(公告)号：US20220102787A1
公开(公告)日：2022-03-31
申请号：US17422084
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: H01M50/103 , H01M50/342 , H01M50/119 , H01M50/531
Abstract: A cell, a power battery pack, and an electric vehicle are provided. The cell includes a cell body, and the cell body has a length L, a width H and a thickness D. The length L of the cell body is greater than the width H, the width H of the cell body is greater than the thickness D, the length L of the cell body is greater than 600 mm, and the length L and the width H of the cell body satisfy L/H=4-21.
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公开(公告)号：US20210218113A1
公开(公告)日：2021-07-15
申请号：US16967398
申请日：2019-01-31
Applicant: BYD COMPANY LIMITED
Inventor： Lina JIN , Bowen XUAN , Xiaodong CAO , Jinxiang WU , Jun SHAN , Gang HU , Long HE
IPC: H01M50/457 , H01M50/403 , H01M50/446 , H01M50/451 , H01M50/414 , H01M50/434
Abstract: The present disclosure provides a polymer separator and preparation method thereof, and a lithium-ion battery including the polymer separator and preparation method thereof. The polymer separator includes a porous substrate, a hydrophilic blocking layer, and a porous polar polymer bonding layer. The hydrophilic blocking layer is disposed between the porous substrate and the porous polar polymer bonding layer. Pore walls in the porous polar polymer bonding layer are provided with node structures.
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9.发明申请公开(公告)号：US20190207190A1
公开(公告)日：2019-07-04
申请号：US16328993
申请日：2017-08-14
Applicant: BYD COMPANY LIMITED
Inventor： Jialing HU , Jun SHAN , Gang HU , Long HE
CPC classification number: H01M2/1666 , H01M2/145 , H01M2/162 , H01M2/1646 , H01M2/1653 , H01M2/168 , H01M2/1686 , H01M10/052 , H01M10/0525
Abstract: The disclosure provides a polymer composite membrane, a method for preparing same, and a lithium-ion battery including same. The polymer composite membrane includes a polymer base membrane, where the polymer base membrane includes a first surface and a second surface disposed opposite to each other, and the polymer composite membrane further includes a first ceramic layer, a first heat-resistant fiber layer, and a first bonding layer disposed sequentially from inside out on the first surface of the polymer base membrane, where materials of the first heat-resistant fiber layer contain a first polymeric material and a second polymeric material.
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公开(公告)号：US20160126373A1
公开(公告)日：2016-05-05
申请号：US14738637
申请日：2015-06-12
Applicant: BYD COMPANY LIMITED
Inventor： Zhiqiang ZHAO , Weihua TAN , Feiyun LI , Zhanfeng JIANG , Long HE
IPC: H01L31/0224 , H01L31/05 , H01L31/18 , H01L31/048
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 module, comprising an upper cover plate, a front adhesive layer, a cell, a back adhesive layer and a back plate superposed in sequence, a secondary grid line being disposed on the cell, a conductive wire comprising a metal wire being disposed between the front adhesive layer and a front surface of the cell, a welding layer disposed on a welding position where the conductive wire and the secondary grid line are welded, the welding layer being an alloy containing Sn, Bi and at least one of Cu, In, Ag, Sb, Pb and Zn, in which an amount of Bi is 15 to 60 weight percent.
Abstract translation: 一种太阳能电池模块，包括上盖板，前粘合剂层，电池单元，背粘合剂层和依次叠加的背板，辅格栅线设置在单元上，导线包括金属线， 在所述前粘合剂层和所述电池的前表面之间，焊接层设置在所述导线和所述二次栅格线的焊接位置，所述焊接层为包含Sn，Bi的至少一种，Cu， In，Ag，Sb，Pb和Zn，其中Bi的含量为15〜60重量％。
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