公开(公告)号：WO2006114047A1

公开(公告)日：2006-11-02

申请号：PCT/CN2006/000739

申请日：2006-04-20

Applicant: BYD COMPANY LIMITED ,  RONG, Qiang ,  JIANG, Zhanfeng ,  LIU, Huiquan ,  HU, Gang ,  SUN, Meihong

Inventor： RONG, Qiang ,  JIANG, Zhanfeng ,  LIU, Huiquan ,  HU, Gang ,  SUN, Meihong

IPC: H01M4/58 ,  H01M4/04

CPC classification number: H01M4/1391 ,  H01M4/0404 ,  H01M4/131 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  Y10T29/4911

Abstract: A battery cathode comprising a current collector and a cathode material coated on and/or filled in the current collector, said cathode material comprising a cathode active substance, a conductive additive and an adhesive, wherein said cathode material is coated with a layer of lithium cobaltate on the surface thereof, and the content of lithium cobaltate is 0.1-15wt%(weight percent) based on the weight of the cathode active substance. The lithium ion battery using the cathode provided by the present invention has a higher specific capacity and improved cycling performance.

Abstract translation: 一种电池阴极，包括涂覆在和/或填充在集电器中的集电器和阴极材料，所述阴极材料包括阴极活性物质，导电添加剂和粘合剂，其中所述阴极材料涂覆有一层钴酸锂 ，钴酸锂的含量为阴极活性物质重量的0.1〜15重量％（重量％）。 使用本发明提供的阴极的锂离子电池具有较高的比容量和改进的循环性能。

公开(公告)号：EP3493298A1

公开(公告)日：2019-06-05

申请号：EP17845207.4

申请日：2017-08-14

Applicant: BYD Company Limited

Inventor： HU, Jialing ,  SHAN, Jun ,  HU, Gang ,  HE, Long

IPC: H01M2/16 ,  H01M2/14 ,  H01M10/052

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.

公开(公告)号：EP1875536B1

公开(公告)日：2012-06-20

申请号：EP06722382.6

申请日：2006-04-20

Applicant: Byd Company Limited

Inventor： RONG, Qiang ,  JIANG, Zhanfeng ,  LIU, Huiquan ,  HU, Gang ,  SUN, Meihong

IPC: H01M4/505 ,  H01M4/525 ,  H01M4/1391 ,  H01M10/0525 ,  H01M4/04 ,  H01M4/131

CPC classification number: H01M4/1391 ,  H01M4/0404 ,  H01M4/131 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  Y10T29/4911

Abstract: A battery cathode comprising a current collector and a cathode material coated on and/or filled in the current collector, said cathode material comprising a cathode active substance, a conductive additive and an adhesive, wherein said cathode material is coated with a layer of lithium cobaltate on the surface thereof, and the content of lithium cobaltate is 0.1-15wt%(weight percent) based on the weight of the cathode active substance. The lithium ion battery using the cathode provided by the present invention has a higher specific capacity and improved cycling performance.

公开(公告)号：EP3490032A1

公开(公告)日：2019-05-29

申请号：EP17845213.2

申请日：2017-08-15

Applicant: BYD Company Limited

Inventor： JIN, Lina ,  SHAN, Jun ,  HU, Gang ,  HE, Long

IPC: H01M2/14

Abstract: The present disclosure relates to the field of lithium-ion batteries, and discloses a battery separator and a lithium-ion battery, and preparation methods thereof. The battery separator includes a porous base membrane and a bonding layer attached to at least one side surface of the porous base membrane, wherein the bonding layer contains an acrylate crosslinked polymer and a styrene-acrylate crosslinked copolymer and/or a vinylidene fluoride-hexafluoropropylene copolymer, and the porosity of the bonding layer is 40-65%.

公开(公告)号：EP1875536A1

公开(公告)日：2008-01-09

申请号：EP06722382.6

申请日：2006-04-20

Applicant: Byd Company Limited

Inventor： RONG, Qiang ,  JIANG, Zhanfeng ,  LIU, Huiquan ,  HU, Gang ,  SUN, Meihong

IPC: H01M4/58 ,  H01M4/04

CPC classification number: H01M4/1391 ,  H01M4/0404 ,  H01M4/131 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  Y10T29/4911

Abstract: A battery cathode comprising a current collector and a cathode material coated on and/or filled in the current collector, said cathode material comprising a cathode active substance, a conductive additive and an adhesive, wherein said cathode material is coated with a layer of lithium cobaltate on the surface thereof, and the content of lithium cobaltate is 0.1-15wt%(weight percent) based on the weight of the cathode active substance. The lithium ion battery using the cathode provided by the present invention has a higher specific capacity and improved cycling performance.