CN113228341A - 二次电池及含有它的装置 - Google Patents

二次电池及含有它的装置 Download PDF

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CN113228341A
CN113228341A CN201980071539.7A CN201980071539A CN113228341A CN 113228341 A CN113228341 A CN 113228341A CN 201980071539 A CN201980071539 A CN 201980071539A CN 113228341 A CN113228341 A CN 113228341A
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active material
negative electrode
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negative pole
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CN113228341B (zh
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康蒙
董晓斌
王家政
何立兵
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Contemporary Amperex Technology Co Ltd
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Abstract

一种二次电池(5)及含有它的装置，二次电池(5)包括负极极片，所述负极极片包括负极集流体及负极膜层，所述负极膜层包括第一负极膜层和第二负极膜层，所述第一负极膜层设置在负极集流体的至少一个表面上且包括第一负极活性材料，所述第二负极膜层设置在第一负极膜层上且包括第二负极活性材料；所述第一负极活性材料包括天然石墨，所述第二负极活性材料包括人造石墨；所述第一负极活性材料满足：4.0≤COI1≤7.0；所述第二负极活性材料满足：2.2≤COI2≤4.2。该二次电池(5)在具有较高能量密度的前提下，同时兼具较好的快速充电性能和循环性能。

Description

PCT国内申请，说明书已公开。

Claims (12)

  1. PCT国内申请，权利要求书已公开。
CN201980071539.7A 2019-12-06 2019-12-06 二次电池及含有它的装置 Active CN113228341B (zh)

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CN113871568A (zh) * 2021-09-24 2021-12-31 远景动力技术(江苏)有限公司 锂离子电池负极极片及其制备方法和应用
CN113921758A (zh) * 2021-10-09 2022-01-11 远景动力技术(江苏)有限公司 锂离子电池层级复合负极及其制备方法和应用
CN114142028A (zh) * 2021-11-30 2022-03-04 蜂巢能源科技有限公司 负极材料、负极片及其制备方法和应用
CN114497438A (zh) * 2022-01-07 2022-05-13 珠海冠宇电池股份有限公司 一种负极片及包括该负极片的电池
CN116014064A (zh) * 2021-10-21 2023-04-25 宁德时代新能源科技股份有限公司 负极极片、其制法以及包含其的二次电池、电池模块、电池包和用电装置
CN116613275A (zh) * 2023-07-17 2023-08-18 宁德时代新能源科技股份有限公司 负极片及其制备方法、电池及用电装置
CN116888751A (zh) * 2023-01-03 2023-10-13 宁德时代新能源科技股份有限公司 负极极片以及包含其的电极组件、电池单体、电池和用电装置
WO2024108589A1 (zh) * 2022-11-25 2024-05-30 宁德时代新能源科技股份有限公司 二次电池及用电装置

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KR20230038642A (ko) 2021-09-08 2023-03-21 컨템포러리 엠퍼렉스 테크놀로지 씨오., 리미티드 애노드 극판, 이차 전지, 전지 모듈, 전지 팩 및 전기 장치
WO2023082039A1 (zh) * 2021-11-09 2023-05-19 宁德时代新能源科技股份有限公司 负极极片、二次电池、电池模块、电池包和用电装置
WO2024072060A1 (ko) * 2022-09-30 2024-04-04 주식회사 엘지에너지솔루션 음극 및 이차전지
KR102630462B1 (ko) * 2022-12-23 2024-01-31 주식회사 엘지에너지솔루션 리튬 이차전지용 음극 및 이의 제조방법
KR102630461B1 (ko) * 2022-12-23 2024-01-31 주식회사 엘지에너지솔루션 리튬 이차전지용 음극 및 이의 제조방법
KR20240127062A (ko) * 2023-02-15 2024-08-22 에스케이온 주식회사 이차전지용 음극 및 이를 포함하는 리튬 이차전지
CN116885103A (zh) * 2023-09-08 2023-10-13 浙江锂威电子科技有限公司 一种石墨阳极及其制备方法和应用
CN117558918A (zh) * 2024-01-12 2024-02-13 宁德时代新能源科技股份有限公司 二次电池、用电装置

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113871568A (zh) * 2021-09-24 2021-12-31 远景动力技术(江苏)有限公司 锂离子电池负极极片及其制备方法和应用
CN113921758A (zh) * 2021-10-09 2022-01-11 远景动力技术(江苏)有限公司 锂离子电池层级复合负极及其制备方法和应用
CN113921758B (zh) * 2021-10-09 2024-07-02 远景动力技术(江苏)有限公司 锂离子电池层级复合负极及其制备方法和应用
CN116014064A (zh) * 2021-10-21 2023-04-25 宁德时代新能源科技股份有限公司 负极极片、其制法以及包含其的二次电池、电池模块、电池包和用电装置
CN114142028A (zh) * 2021-11-30 2022-03-04 蜂巢能源科技有限公司 负极材料、负极片及其制备方法和应用
CN114497438A (zh) * 2022-01-07 2022-05-13 珠海冠宇电池股份有限公司 一种负极片及包括该负极片的电池
CN114497438B (zh) * 2022-01-07 2024-04-26 珠海冠宇电池股份有限公司 一种负极片及包括该负极片的电池
WO2024108589A1 (zh) * 2022-11-25 2024-05-30 宁德时代新能源科技股份有限公司 二次电池及用电装置
CN116888751A (zh) * 2023-01-03 2023-10-13 宁德时代新能源科技股份有限公司 负极极片以及包含其的电极组件、电池单体、电池和用电装置
CN116613275A (zh) * 2023-07-17 2023-08-18 宁德时代新能源科技股份有限公司 负极片及其制备方法、电池及用电装置
CN116613275B (zh) * 2023-07-17 2024-02-13 宁德时代新能源科技股份有限公司 负极片及其制备方法、电池及用电装置

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