公开(公告)号：US20240367195A1

公开(公告)日：2024-11-07

申请号：US18778692

申请日：2024-07-19

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Lei LU ,  Changyuan HU ,  Zheng WANG ,  Shisong LI ,  Shengwu ZHANG

IPC: B05C11/10 ,  B05C5/02 ,  B05C21/00 ,  H01M4/04

Abstract: An extrusion coating apparatus includes a housing having an inner chamber, a housing wall of the housing having a feed port and a coating outlet both communicated with the inner chamber, the coating outlet being in a slit shape; and further includes a porous structure disposed in the inner chamber and located on a material flow path between the feed port and the coating outlet, so that at least a portion of a material passes through the porous structure.

公开(公告)号：US20240363829A1

公开(公告)日：2024-10-31

申请号：US18764795

申请日：2024-07-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Linzhen YU ,  Lei LU ,  Zheng WANG ,  Shisong LI ,  Shengwu ZHANG ,  Yalong QING

IPC: H01M4/04

CPC classification number: H01M4/0435

Abstract: A pole piece manufacturing device is described. The pole piece manufacturing device includes a membrane forming mechanism, a composite mechanism, a detection mechanism and an adjustment mechanism. The membrane forming mechanism is configured to form an active substance into a membrane. The composite mechanism is configured to composite the membrane and a substrate into a pole piece. The detection mechanism is is configured to detect a thickness or a weight per unit area of the membrane. The adjustment mechanism is configured to adjust the membrane forming mechanism according to detection results of the detection mechanism, so as to control the thickness or the weight per unit area of the membrane within a preset range. The membrane is detected by providing the detection mechanism. When the membrane does not meet the design requirements, the membrane forming mechanism is adjusted timely through the adjustment mechanism to make it meet the design requirements.

公开(公告)号：US20240247870A1

公开(公告)日：2024-07-25

申请号：US18626200

申请日：2024-04-03

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Lei LU ,  Linzhen YU ,  Yalong WANG ,  Changyuan HU ,  Zheng WANG ,  Kaiming DENG ,  Shisong LI ,  Shengwu ZHANG

IPC: F26B13/14 ,  F26B13/08 ,  F26B13/10

CPC classification number: F26B13/14 ,  F26B13/08 ,  F26B13/108

Abstract: A drying apparatus for drying a material belt includes at least one material-belt turning mechanism, used for changing a travel direction of the material belt, and including a first passing roller, a turning roller, and a second passing roller sequentially arranged in the travel direction of the material belt. The turning roller is configured to move in a first direction relative to the first passing roller and the second passing roller to adjust a wrap angle of the material belt on the turning roller, the first direction perpendicular to an axial direction of the turning roller.

公开(公告)号：US20230395803A1

公开(公告)日：2023-12-07

申请号：US18448023

申请日：2023-08-10

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Lei LU ,  Gaihong ZHU ,  Shisong LI ,  Xinghui WANG

IPC: H01M4/62 ,  H01M4/04

CPC classification number: H01M4/622 ,  H01M4/0404 ,  H01M2004/027

Abstract: A negative electrode composition includes a negative active material and a plasticizer. The plasticizer includes a first plasticizer. The first plasticizer includes at least one of a POSS-containing block copolymer or a polyester containing a —[O—CH(CH3)—C(═O)]— structural unit.

公开(公告)号：US20240282967A1

公开(公告)日：2024-08-22

申请号：US18651763

申请日：2024-05-01

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Changyuan HU ,  Lei LU ,  Yalong WANG ,  Zheng WANG ,  Kaiming DENG ,  Linzhen YU ,  Shisong LI ,  Shunhao DAI

IPC: H01M4/62 ,  H01M4/02 ,  H01M4/04 ,  H01M4/58

CPC classification number: H01M4/622 ,  H01M4/0411 ,  H01M4/5825 ,  H01M2004/021 ,  H01M2004/028

Abstract: A secondary battery is disclosed. The secondary battery includes a first binder and a second binder, the first binder includes at least one of polyvinylidene fluoride, rubber, epoxy resin, polyurethane, and acrylate, and the second binder includes at least one of polytetrafluoroethylene, polyimide, polypropylene, polyethylene, ethylene vinyl acetate copolymer, and styrene-ethylene-butylene-styrene block copolymer.

公开(公告)号：US20240021827A1

公开(公告)日：2024-01-18

申请号：US18371479

申请日：2023-09-22

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kaiming DENG ,  Lei LU ,  Yalong WANG ,  Hai JIA ,  Shunhao DAI

IPC: H01M4/62 ,  H01M4/13 ,  H01M10/0525

CPC classification number: H01M4/622 ,  H01M4/13 ,  H01M10/0525 ,  H01M2004/027

Abstract: Embodiments of the present application provide a negative electrode plate, a secondary battery, a battery module, a battery pack and an electrical device. The negative electrode plate may comprise a negative electrode current collector; and a negative electrode active material layer, wherein the negative electrode active material layer may be disposed on at least one surface of the negative electrode current collector, and comprise, based on total weight of the negative electrode active material layer, 90.0% to 98.6% by weight of a negative electrode active material; 1.0%-5.0% by weight of a polymer binder; and 0.2%-4.0% by weight of a toughening fiber.

公开(公告)号：US20240001397A1

公开(公告)日：2024-01-04

申请号：US18226787

申请日：2023-07-27

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhirong WENG ,  Liang JIANG ,  Lei LU ,  Shengwu ZHANG

IPC: B05C5/02

CPC classification number: B05C5/0258

Abstract: A coating die head may comprise: a coating main body comprising a first die head and a second die head arranged separately, the first die head and the second die head being spliced to define an accommodating cavity, and opposite ends of the coating main body being respectively provided with a coating inlet and a coating outlet which are in communication with the accommodating cavity; and a turbulence assembly which defines a flow channel with a cavity wall of the accommodating cavity, the turbulence assembly being adjustably arranged in the accommodating cavity.

公开(公告)号：US20230335738A1

公开(公告)日：2023-10-19

申请号：US18338581

申请日：2023-06-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Lei LU ,  Gaihong ZHU ,  Kaiming DENG ,  Shisong LI

IPC: H01M4/62 ,  H01M4/04 ,  H01M50/204 ,  H01M10/04

CPC classification number: H01M4/622 ,  H01M4/0404 ,  H01M50/204 ,  H01M10/0431 ,  H01M2004/021

Abstract: A binder includes a polymer obtained by polymerizing at least a first component, a second component, and a third component. The first component includes a flexible monomer selected from C4-18 alkene. The second component includes a rigid monomer including at least one of an alkene having a rigid group or a polymerized monomer having a strong polar group. The rigid group is selected from C5-20 aryl, C4-8 saturated or unsaturated ring group, and C5-30 heterocyclyl. The third component includes a hydrophilic monomer containing a hydrophilic group selected from carboxyl, hydroxyl, amine, aldehyde, alcohol, amino, and amido.

公开(公告)号：US20230369560A1

公开(公告)日：2023-11-16

申请号：US18357478

申请日：2023-07-24

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Lei LU ,  Zheng WANG ,  Shisong LI

IPC: H01M4/04 ,  H01M4/62 ,  H01M4/58 ,  H01M4/505 ,  H01M4/525 ,  H01M4/131 ,  H01M4/1391

CPC classification number: H01M4/0435 ,  H01M4/623 ,  H01M4/5825 ,  H01M4/625 ,  H01M4/505 ,  H01M4/525 ,  H01M4/131 ,  H01M4/1391 ,  H01M2004/021

Abstract: An electrode plate and a preparation method thereof are described. The electrode plate includes a current collector and an electrode active material layer disposed on at least one surface of the current collector, where the electrode active material layer has a maximum porosity on an outer surface side thereof. The electrode plate in this application has the maximum porosity on the outer surface side of the electrode active material layer, which can significantly increase an infiltration rate of electrolyte to the electrode plate.