公开(公告)号：US20240290988A1

公开(公告)日：2024-08-29

申请号：US18652103

申请日：2024-05-01

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jingyu GAO

IPC: H01M4/62 ,  C01G53/00 ,  H01M4/02 ,  H01M4/04 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/36 ,  H01M4/525 ,  H01M10/42

CPC classification number: H01M4/628 ,  C01G53/50 ,  H01M4/0404 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/366 ,  H01M4/525 ,  H01M10/4235 ,  C01P2002/50 ,  C01P2002/72 ,  C01P2006/40 ,  H01M2004/028 ,  H01M2220/20

Abstract: A positive electrode material plate includes: an electrode plate substrate and a coating layer arranged on a surface of the electrode plate substrate. The electrode plate substrate includes a compound of formula I: LiNixCoyM1-x-yO2 (formula I), where 0.6≤x

公开(公告)号：US20240290944A1

公开(公告)日：2024-08-29

申请号：US18648388

申请日：2024-04-28

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Miaomiao Dong ,  Changfeng Bie ,  Shaocong Ouyang ,  Huan Ni ,  Hongyu Liu ,  Xin Sun ,  Chenghua Fu

IPC: H01M4/136 ,  H01M4/02 ,  H01M4/58 ,  H01M4/62 ,  H01M50/204 ,  H01M50/244

CPC classification number: H01M4/136 ,  H01M4/5825 ,  H01M4/62 ,  H01M50/204 ,  H01M50/244 ,  H01M2004/028

Abstract: Provided is a battery pack. The battery pack includes a first battery cell, a second battery cell, and a third battery cell. A positive electrode active substance of each battery cell is composed of lithium iron phosphate and a low-temperature additive. The low-temperature additive is selected from compounds containing at least two carbonyl groups, which are conjugated with an unsaturated structure or an atom having lone-pair electrons connected with the carbonyl groups. At a temperature lower than or equal to 10° C., a ratio of a discharging capacity of a single cell of the second battery cell to a discharging capacity of a single cell of the first battery cell ranges from 1.003 to 1.12, and a ratio of a discharging capacity of a single cell of the third battery cell to a discharging capacity of a single cell of the second battery cell ranges from 1.005 to 1.15.

公开(公告)号：US20240287226A1

公开(公告)日：2024-08-29

申请号：US18649960

申请日：2024-04-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xin Zhou ,  Shaohua Ai ,  Yuxi Zhang ,  Qi Zeng ,  Yu Chen

IPC: C08F212/08 ,  C08F212/14 ,  C08F212/32 ,  C08F214/06 ,  C08F218/08 ,  C08F220/06 ,  C08F220/18 ,  C08F220/44 ,  H01M4/62 ,  H01M10/0525

CPC classification number: C08F212/08 ,  C08F212/18 ,  C08F212/22 ,  C08F212/32 ,  C08F214/06 ,  C08F218/08 ,  C08F220/06 ,  C08F220/1804 ,  C08F220/44 ,  H01M4/622 ,  H01M10/0525

Abstract: The present disclosure relates to a hydrophilic polymer and a method for preparing the same. The hydrophilic polymer is characterized in that it is a copolymer of a conjugated diene, a monoolefin and a hydrophilic monomer represented by Formula I. In the Formula I, X1, X2 and X3 are each independently selected from hydrogen atoms, or a linear or branched alkyl with 1-4 carbon atoms. At least one of R1, R2 and R3 is hydrophilic group; and the others are each independently selected from hydrogen atoms or, an alkyl or alkoxy with 1-4 carbon atoms.

公开(公告)号：US20240286164A1

公开(公告)日：2024-08-29

申请号：US18659537

申请日：2024-05-09

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Shengwu ZHANG ,  Xuyong LIU ,  Hongwu SHANG ,  Shisong LI

IPC: B05C5/02

CPC classification number: B05C5/0262

Abstract: A coating die head includes a die head body and at least two regulators. A discharge channel communicating with an external environment is disposed on the die head body. The discharge channel includes a discharge port. The discharge port extends along a first direction. The first direction intersects a discharge direction of the discharge channel. The at least two regulators are disposed on the die head body and distributed along the first direction. At least a part of each regulator is movable in the discharge channel along a second direction. The second direction is perpendicular to the discharge direction and the first direction. A dimension along the first direction differs between the at least two regulators.

公开(公告)号：US12074327B2

公开(公告)日：2024-08-27

申请号：US18052430

申请日：2022-11-03

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jiazheng Wang ,  Binyi Chen ,  Xuan Li ,  Na Liu ,  Chuying Ouyang

IPC: H01M4/62 ,  C01B32/205

CPC classification number: H01M4/625 ,  C01B32/205 ,  C01P2004/03 ,  C01P2004/61 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/40

Abstract: An artificial graphite satisfies: PD5t/PD0.5t≤1.35, where PD5t is a compacted density of the artificial graphite measured under a pressure of 5 ton, and PD0.5t is a compacted density of the artificial graphite measured under a pressure of 0.5 ton.

公开(公告)号：US20240283036A1

公开(公告)日：2024-08-22

申请号：US18607120

申请日：2024-03-15

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Peipei CHEN ,  Limei ZHANG ,  Yao JIANG ,  Jiao LIU

IPC: H01M10/42 ,  C01B25/45 ,  H01M4/02 ,  H01M4/36 ,  H01M4/58 ,  H01M4/587 ,  H01M10/0567

CPC classification number: H01M10/4235 ,  C01B25/45 ,  H01M4/366 ,  H01M4/5825 ,  H01M4/587 ,  H01M10/0567 ,  C01P2002/52 ,  C01P2004/86 ,  C01P2006/40 ,  H01M2004/028 ,  H01M2220/20 ,  H01M2300/0025

Abstract: A secondary battery includes a positive electrode plate and a non-aqueous electrolyte. The positive electrode plate includes a positive electrode active material including a core and a shell enveloping the core. A chemical formula of the core is Li1+xMn1−yAyP1−zRzO4, where the first coating layer includes a crystalline pyrophosphate LiaMP2O7 and/or Mb(P2O7)c, the second coating layer includes a crystalline phosphate XPO4, and the third coating layer is carbon. The non-aqueous electrolyte includes a first additive including one or more selected from a group consisting of compounds represented by formula 1 and compounds represented by formula 2.

公开(公告)号：US20240282958A1

公开(公告)日：2024-08-22

申请号：US18634752

申请日：2024-04-12

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wei Chen ,  Huan Che ,  Fang Luo ,  Shisong Li

IPC: H01M4/525 ,  H01M4/02 ,  H01M4/04 ,  H01M4/1391 ,  H01M4/62 ,  H01M4/66

CPC classification number: H01M4/525 ,  H01M4/0404 ,  H01M4/1391 ,  H01M4/623 ,  H01M4/667 ,  H01M2004/028

Abstract: In various embodiments, provided are an electrode plate, a method for preparing the same, a secondary battery, a battery module, and a battery pack comprising a main body region and an isolation region, where the isolation region is arranged on both sides of the main body region along a width direction of the electrode plate, the isolation region is provided with an insulating strip coating, and the main body region is provided with an active material layer. An outer edge of the active material layer is confined to a junction between the main body region and the isolation region, and a contact angle between a slurry forming the active material layer and the insulating strip coating is more than 90°, thereby improving the problem of diffusion of the active material slurry along the width direction of the electrode plate, and reducing a defective rate of the electrode plate.

公开(公告)号：US20240282938A1

公开(公告)日：2024-08-22

申请号：US18651716

申请日：2024-05-01

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yinghua ZHU ,  Songjun SHI ,  Youlei LAI ,  Xing TONG

IPC: H01M4/36 ,  C01B25/45 ,  C01G53/00 ,  H01M4/02 ,  H01M4/131 ,  H01M4/136 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M10/0525

CPC classification number: H01M4/366 ,  C01B25/45 ,  C01G53/44 ,  H01M4/131 ,  H01M4/136 ,  H01M4/364 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/0525 ,  C01P2002/50 ,  C01P2004/30 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/40 ,  H01M2004/021 ,  H01M2004/028 ,  H01M2220/20

Abstract: This application provides a positive electrode plate, a lithium-ion secondary battery, a battery module, a battery pack, and an electrical device. The positive electrode plate of this application includes: a current collector, a first coating layer applied on both sides of the current collector, and a second coating layer applied on a surface of the first coating layer. The first coating layer contains a small-grained olivine-structured phosphate compound, and a particle diameter of the small-grained olivine-structured phosphate compound is 0.5 to 2 μm. The second coating layer contains: a large-grained olivine-structured phosphate compound and a layered transition metal oxide; or a large-grained olivine-structured phosphate compound and a pure layered transition metal oxide. A particle diameter of the large-grained olivine-structured phosphate compound is larger than a particle diameter of the small-grained olivine-structured phosphate compound.

公开(公告)号：US20240281729A1

公开(公告)日：2024-08-22

申请号：US18646781

申请日：2024-04-26

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Liyong Lin ,  Deqiang Shi ,  Shurui Chen

IPC: G06Q10/0631

CPC classification number: G06Q10/06311

Abstract: Provided are an AGV system and an AGV scheduling method for improving AGV utilization rate and the production line yield. The AGV scheduling method can include: acquiring an optimal value of a threshold of an AGV scheduling-related parameter, including: through a pre-established simulation model for a real AGV system, conducting a simulation on different values of the threshold of the AGV scheduling-related parameter to determine an obtained value of a related performance index at the corresponding value of the threshold; and taking the value of the threshold of the AGV scheduling-related parameter corresponding to the obtained value of the related performance index meeting the preset condition as the optimal value of the threshold of the AGV scheduling-related parameter; and using the optimal value of the threshold of the AGV scheduling-related parameter to conduct AGV scheduling in the real AGV system.

公开(公告)号：US20240280697A1

公开(公告)日：2024-08-22

申请号：US18651857

申请日：2024-05-01

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Shibiao QUE ,  Can CHEN

IPC: G01S17/08 ,  B60L53/80

CPC classification number: G01S17/08 ,  B60L53/80

Abstract: An embodiment of the present application provides a method and a device for detecting a position of a battery swap apparatus, a battery swap apparatus, and a battery swap station, which can ensure that a battery swap operation is performed after the battery swap apparatus runs to an accurate position in a battery swap process, thus ensuring safety of the battery swap process. The battery swap apparatus is provided with a distance measuring device. The method for detecting the position of the battery swap apparatus includes: acquiring, from the distance measuring device, a first distance by which the battery swap apparatus moves; and determining the position of the battery swap apparatus according to the first distance.