公开(公告)号：US20240083759A1

公开(公告)日：2024-03-14

申请号：US18388884

申请日：2023-11-13

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jiarui TIAN ,  Xinxin ZHANG ,  Chuying OUYANG ,  Yongsheng GUO ,  Jiadian LAN ,  Jixiang WANG ,  Wenguang LIN ,  Yuejuan WAN

IPC: C01C3/11 ,  H01M10/054

CPC classification number: C01C3/11 ,  H01M10/054 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/40 ,  C01P2006/82

Abstract: The present application provides a positive electrode active material which may be in a particulate form and comprise a compound represented by Formula 1:


NaxAyM1[M2(CN)6]δ·zH2O  Formula 1



wherein, A is selected from at least one of an alkali metal element and an alkaline earth metal element, and the ionic radius of A is greater than the ionic radius of sodium; M1 and M2 are each independently selected from at least one of a transition metal element, 0

公开(公告)号：US20230227321A1

公开(公告)日：2023-07-20

申请号：US18124021

申请日：2023-03-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jiarui TIAN ,  Yongsheng GUO ,  Chuying OUYANG ,  Xinxin ZHANG ,  Liting HUANG ,  Shuojian SU ,  Wenguang LIN ,  Jinyu ZHANG

IPC: C01C3/11

CPC classification number: C01C3/11 ,  C01P2006/40 ,  C01P2004/32 ,  C01P2004/61 ,  C01P2006/11

Abstract: Embodiments of the present application provide a Prussian blue-like transition metal cyanide, a preparation method therefor, and related positive electrode plate, secondary battery, battery pack and device. The Prussian blue-like transition metal cyanide may comprise secondary particles which comprise a plurality of primary particles, wherein the primary particles may have a spherical or spherical-like morphology.

公开(公告)号：US20240105923A1

公开(公告)日：2024-03-28

申请号：US18529592

申请日：2023-12-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jiarui TIAN ,  Xinxin ZHANG ,  Chuying OUYANG ,  Yongsheng GUO ,  Yuejuan WAN ,  Wenguang LIN ,  Jiadian LAN ,  Jixiang WANG

IPC: H01M4/38 ,  H01M4/36 ,  H01M4/58 ,  H01M10/052

CPC classification number: H01M4/381 ,  H01M4/366 ,  H01M4/58 ,  H01M10/052 ,  H01M2004/028

Abstract: A positive electrode active material is granular and comprises a compound represented by formula 1: (NaxAy)a□bM1[M2(CN)6]δ, wherein A is selected from at least one of alkali metal elements and has an ionic radius greater than that of sodium, M1 and M2 are each independently selected from at least one of transition metal elements, 0

公开(公告)号：US20230049880A1

公开(公告)日：2023-02-16

申请号：US17967844

申请日：2022-10-17

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jiarui TIAN ,  Yongsheng GUO ,  Cong CHENG ,  Yuanyuan LAN ,  Shuojian SU ,  Xinxin ZHANG ,  Na LIU ,  Chuying OUYANG

IPC: H01M50/449 ,  H01M50/411 ,  H01M50/431

Abstract: The present application provides an organic-inorganic hybrid complex which can be used in a coating of a separator for a secondary battery, wherein the organic-inorganic hybrid complex is formed from basic units represented by formula (I) being periodically assembled in at least one spatial direction: [Lx-i□i][MaCb].Az (I), wherein a defect percentage expressed in i/x*100% is 1% to 30%. The present application further provides a coating composition comprising the organic-inorganic hybrid complex, a coating formed from the coating composition, a separator comprising the coating for a secondary battery, a secondary battery comprising the separator, a battery module, a battery pack and a device. By applying the organic-inorganic hybrid complex of the present application in a coating, the electrolyte infiltration of a separator for a secondary battery is improved while increasing the electrolyte retention rate, thereby improving the rate capability and cycling life of the secondary battery.

公开(公告)号：US20220352600A1

公开(公告)日：2022-11-03

申请号：US17866409

申请日：2022-07-15

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yongsheng GUO ,  Jiarui TIAN ,  Cong CHENG ,  Na LIU ,  Chuying OUYANG ,  Yuanyuan LAN ,  Shuojian SU

IPC: H01M50/446 ,  H01M50/449 ,  H01M50/403

Abstract: This application provides a separator, an electrical apparatus containing such separator, and preparation methods thereof. The separator includes a coating layer containing an organic-inorganic hybrid composite compound and provides improved performance in a number of aspects, and the organic-inorganic hybrid composite compound is formed by periodically assembling, along at least one spatial direction, basic units expressed by formula I, Lx(MaCb)y•Az. This application further provides a battery and electrical device containing such separator, preparation methods thereof, organic-inorganic hybrid composite compound for improving performance of a separator.

公开(公告)号：US20240014394A1

公开(公告)日：2024-01-11

申请号：US18469449

申请日：2023-09-18

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiaoxia CHEN ,  Xinxin ZHANG ,  Chuying OUYANG ,  Yongsheng GUO ,  Jiarui TIAN ,  Yu MA ,  Ben LIU ,  Xiaoji ZHENG

IPC: H01M4/583 ,  C01B32/05

CPC classification number: H01M4/583 ,  C01B32/05 ,  C01P2002/82 ,  C01P2002/72 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/11 ,  C01P2006/40 ,  C01P2004/03 ,  H01M2004/027

Abstract: A hard carbon. A total quantity of adsorbed nitrogen under a relative pressure P/P0 of nitrogen between 10−8 and 0.035 is V1 cm3 (STP)/g and a total quantity of adsorbed nitrogen under a relative pressure P/Po of nitrogen between 0.035 and 1 is V2 cm3 (STP)/g in a nitrogen adsorption isotherm determined at a temperature of 77 K for the hard carbon. The hard carbon satisfies: V2/V1≤0.20 and 20≤V1≤150, where P represents an actual pressure of nitrogen, and P0 represents a saturated vapor pressure of nitrogen at a temperature of 77 K.

公开(公告)号：US20220393305A1

公开(公告)日：2022-12-08

申请号：US17887301

申请日：2022-08-12

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yongsheng GUO ,  Jiarui TIAN ,  Cong CHENG ,  Na LIU ,  Chuying OUYANG ,  Yuanyuan LAN ,  Shuojian SU

IPC: H01M50/451 ,  H01M50/414 ,  H01M50/431

Abstract: This application provides a separator, an electrical apparatus including the separator, and preparation methods thereof. The separator includes a coating layer containing an organic-inorganic hybrid composite compound and provides improved performance in a number of aspects, and the organic-inorganic hybrid composite compound is formed by periodically assembling, along at least one spatial direction, basic units expressed by formula I, Lx(MaCb)y.Az. This application further provides a battery and electrical device containing such separator, preparation methods thereof, organic-inorganic hybrid composite compound for improving performance of a separator.