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公开(公告)号：WO2023089134A1
公开(公告)日：2023-05-25
申请号：PCT/EP2022/082489
申请日：2022-11-18
IPC分类号： H01M4/04 , H01M4/133 , H01M4/134 , H01M4/1393 , H01M4/1395 , H01M4/62 , H01M10/052
摘要： The present invention relates to a binder for a non-aqueous electrolyte rechargeable battery, a negative electrode slurry for a rechargeable battery, a negative electrode for a rechargeable battery, and a rechargeable battery comprising the same.
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公开(公告)号：WO2023085233A1
公开(公告)日：2023-05-19
申请号：PCT/JP2022/041398
申请日：2022-11-07
申请人： 株式会社日本触媒
IPC分类号： H01M4/134 , H01M4/133 , H01M4/1393 , H01M4/1395 , H01M4/38 , H01M4/62
摘要： 高いサイクル特性を発現し、さらに電極の生産性にも優れたリチウムイオン二次電池負極用組成物を提供することを目的とする。重合体を有するバインダーとケイ素を有する負極活物質とを含むリチウムイオン二次電池負極用組成物であって、該重合体は、２０℃における水１００ｇに対する溶解度が２ｇ以上であるエチレン性不飽和単量体に由来する構造単位を有し、該重合体における該構造単位の割合が１０質量％以上であり、該重合体の濃度を２質量％とした水分散体の粘度が２０ｍＰａ・ｓ以下である、リチウムイオン二次電池負極用組成物。
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3.发明申请
公开(公告)号：WO2023081532A1
公开(公告)日：2023-05-11
申请号：PCT/US2022/049326
申请日：2022-11-08
IPC分类号： H01M4/133 , H01M4/134 , H01M4/587 , H01M4/62 , H01M10/0568 , H01M4/36 , H01M4/38 , H01M4/48 , H01M10/0525
摘要： The disclosure provides a slot electrode stack including an electrically insulative separator folded into an accordion shape and having a plurality of first slots on one side and a plurality of second slots on an opposite side, a plurality of cathodes located in the plurality of first slots, and a plurality of anodes located in the plurality of second slots. The disclosure further provides a slot electrode cell including such a slot electrode stack and a slot electrode battery including at least one such slot electrode cell. The disclosure further provides a method of forming a slot electrode stack.
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公开(公告)号：WO2023072547A1
公开(公告)日：2023-05-04
申请号：PCT/EP2022/077741
申请日：2022-10-05
IPC分类号： H01M10/42 , H01M10/0525 , H01M10/058 , H01M4/04 , H01M4/133 , H01M4/134 , H01M4/1393 , H01M4/1395 , H01M4/38 , H01M4/58 , H01M4/48
摘要： The present invention relates to a high-performance battery cell (10) for driving an electric aircraft, comprising a plurality of layers (12) stacked one to another to form a cell stack (100; 200; 300; 400), the cell stack (100; 200; 300; 400) comprising at least two electrode layers (102, 104; 202, 204; 302, 304; 402, 404) comprising a cathode layer and an anode layer, and coating layers (120, 122, 124; 220, 222, 224; 320, 322, 324; 420, 422, 424) applied to the electrode layers (102, 104; 202, 204; 302, 304; 402, 404), wherein at least one of the electrode layers (102, 104; 202, 204; 302, 304; 402, 404) and/or at least one of the coating layers (120, 122, 124; 220, 222, 224; 320, 322, 324; 420, 422, 424) comprises at least one degassing channel (16) connecting an inner portion of the cell stack (100; 300; 400) with an edge portion of the cell stack (100; 300; 400), and/or at least one weakened portion (202a,b, 204a,b; 302a,b, 304a,b) pre-defining at least one path of weakness connecting an inner portion of the cell stack (200; 300; 400) with an edge portion of the cell stack (200; 300; 400).
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公开(公告)号：WO2023066004A1
公开(公告)日：2023-04-27
申请号：PCT/CN2022/122555
申请日：2022-09-29
申请人： 宁德时代新能源科技股份有限公司
IPC分类号： H01M4/133 , H01M4/134 , H01M4/62 , H01M10/0525
摘要： 本申请提供一种负极极片，其包括集流体及位于所述集流体至少一个表面上的负极膜层，负极膜层包含负极活性材料和乳液型粘结剂；在负极活性材料的表面上，至少部分所述乳液型粘结剂呈不规则的膜状分布。该负极极片具有显著提高的内聚力和粘结力，活性物质掉粉、负极膜层开裂、负极膜层脱落等降低极片合格率的问题得到显著改善，包含本发明的负极极片的二次电池的循环性能得到显著提高。本申请还提供负极极片制备方法、包含该负极极片的二次电池、电池模块、电池包和用电装置。
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公开(公告)号：WO2023049102A2
公开(公告)日：2023-03-30
申请号：PCT/US2022/044096
申请日：2022-09-20
发明人： HINTZE, Mark
摘要： This invention provides processes for prelithiating anode materials for lithium-ion batteries.
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公开(公告)号：WO2023045165A1
公开(公告)日：2023-03-30
申请号：PCT/CN2021/142646
申请日：2021-12-29
申请人： 珠海市赛纬电子材料股份有限公司
IPC分类号： H01M4/133 , H01M10/0525 , H01M10/0567
摘要： 一种电解液添加剂，包括结构式1或结构式2所示的化合物：其中R1、R2选自氢原子、碳原子数为1-5的烃基、三甲基硅基、氟磺酰基或三氟甲基磺酰基；X1、X2为选自碱金属元素。本申请采用了上述结构式1或结构式2所示的化合物作为添加剂，结构式1或结构式2含有磺酰基团、三甲基硅基和亚胺结构，该三官能团通过明显的协同作用，极大的提升了锂离子电池的低温性能，抑制低温析锂，使得锂离子电池在极端低温的环境下能相对正常运作。本申请还提供一种含该添加剂的低温非水电解液和锂离子电池。
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公开(公告)号：WO2023032558A1
公开(公告)日：2023-03-09
申请号：PCT/JP2022/029600
申请日：2022-08-02
申请人： パナソニックホールディングス株式会社 , 三洋電機株式会社
摘要： 実施形態の一例である二次電池用負極において、合剤層は、黒鉛粒子を含有し、かつ合剤層の芯体側に配置される下層と、合剤層の表面に配置される上層とを有する。上層の平均厚みは、合剤層の平均厚み５％以下である。下層に含有される黒鉛粒子の体積基準のメジアン径は１０μｍを超え、上層に含有される黒鉛粒子の体積基準のメジアン径は４μｍ以上１０μｍ以下である。下層に含有される前記黒鉛粒子のＢＥＴ比表面積は、４．０ｍ２／ｇを超え、上層に含有される黒鉛粒子のＢＥＴ比表面積は２．０ｍ２／ｇ以上４．０ｍ２／ｇ以下である。
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公开(公告)号：WO2023027497A1
公开(公告)日：2023-03-02
申请号：PCT/KR2022/012632
申请日：2022-08-24
申请人： 주식회사 엘지에너지솔루션
摘要： 본 발명은 집전체의 적어도 일면에 음극 활물질층이 형성되어 있는 이차전지용 음극으로서, 상기 음극은 하기 조건 1 및 조건 2 중 적어도 하나를 만족하고, [조건 1] 상기 이차전지용 음극의 두께 방향으로의 연속 접착력이 30gf/20mm 이상, [조건 2] 파단 응력이 3.6N 이상, 상기 파단 응력은 2.5mm 폭을 가진 일단이 날카로운 일자형 팁으로 상기 음극 활물질층을 10㎛/s의 속도로 눌러 측정되는 값인 이차전지용 음극에 관한 것이다.
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公开(公告)号：WO2023021296A1
公开(公告)日：2023-02-23
申请号：PCT/GB2022/052142
申请日：2022-08-18
申请人： AMTE POWER PLC
IPC分类号： H01M4/587 , H01M4/133 , H01M4/1393
摘要： The present invention relates to a composite electrode for a power cell. The electrode comprises active graphite particles, electro-conductive carbon additives and a binder. Specifically, the active graphite particles comprise rounded graphite particles and high aspect ratio graphite particles interspersed therebetween. The high aspect ratio graphite particles are preferably arranged to at least partially fill spaces between the rounded graphite particles to provide an electrode with a high natural density. The electrode may further comprise a conductive additive to enhance conductivity. Particularly, though not exclusively, the invention provides a carbon anode provided for use in high power lithium-ion cells used for rechargeable batteries. The invention further includes a lithium-ion power cell incorporating the composite electrode. The power cell incorporating the electrode of the invention has high both capacity and good electrical conductivity.
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