CN116075955A - 负极集流体、含有其的二次电池、电池模块、电池包及用电装置 - Google Patents

负极集流体、含有其的二次电池、电池模块、电池包及用电装置 Download PDF

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CN116075955A
CN116075955A CN202180008315.9A CN202180008315A CN116075955A CN 116075955 A CN116075955 A CN 116075955A CN 202180008315 A CN202180008315 A CN 202180008315A CN 116075955 A CN116075955 A CN 116075955A
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metal layer
negative electrode
current collector
layer
electrode current
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薛逸凡
姚斌
吴译晨
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Contemporary Amperex Technology Co Ltd
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Contemporary Amperex Technology Co Ltd
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Abstract

本申请提供了一种负极集流体、含有其的二次电池、电池模块、电池包及用电装置。负极集流体包括：第一金属层、预锂化层以及第二金属层，其中，预锂化层设置于第一金属层与第二金属层之间，第一金属层与第二金属层中的至少一个具有多孔结构。本申请实施例提供的负极集流体能够在提升二次电池的库伦效率与能量密度的同时，有效延长电池的循环寿命。

Description

PCT国内申请，说明书已公开。

Claims (26)

  1. PCT国内申请，权利要求书已公开。
CN202180008315.9A 2021-09-03 2021-09-03 负极集流体、含有其的二次电池、电池模块、电池包及用电装置 Pending CN116075955A (zh)

Applications Claiming Priority (1)

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PCT/CN2021/116532 WO2023029002A1 (zh) 2021-09-03 2021-09-03 负极集流体、含有其的二次电池、电池模块、电池包及用电装置

Publications (1)

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CN116075955A true CN116075955A (zh) 2023-05-05

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US (1) US20230116710A1 (zh)
EP (1) EP4167325A4 (zh)
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117276468A (zh) * 2023-11-23 2023-12-22 宁德时代新能源科技股份有限公司 负极极片、电池和用电装置

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Publication number Priority date Publication date Assignee Title
CN116705981B (zh) * 2023-07-27 2024-05-03 宁德时代新能源科技股份有限公司 负极极片及其制备方法、电池和用电设备

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Publication number Priority date Publication date Assignee Title
US9385397B2 (en) * 2011-08-19 2016-07-05 Nanotek Instruments, Inc. Prelithiated current collector and secondary lithium cells containing same
CN209626322U (zh) * 2018-09-29 2019-11-12 珠海格力电器股份有限公司 负极集流体、负极极片，以及锂离子电池
CN110350202A (zh) * 2019-07-24 2019-10-18 江苏塔菲尔新能源科技股份有限公司 一种集流体及其制备方法和锂离子电池
CN212113927U (zh) * 2020-06-30 2020-12-08 傲普(上海)新能源有限公司 负极预锂化的锂离子电池
CN113299883A (zh) * 2021-06-24 2021-08-24 湖南立方新能源科技有限责任公司 一种负极片及包含该负极片的锂离子电池

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117276468A (zh) * 2023-11-23 2023-12-22 宁德时代新能源科技股份有限公司 负极极片、电池和用电装置
CN117276468B (zh) * 2023-11-23 2024-04-12 宁德时代新能源科技股份有限公司 负极极片、电池和用电装置

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EP4167325A4 (en) 2023-07-26
US20230116710A1 (en) 2023-04-13
WO2023029002A1 (zh) 2023-03-09
EP4167325A1 (en) 2023-04-19

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