CN111788727A - 电解铜箔、集电体、电极及包含其的锂离子二次电池 - Google Patents

电解铜箔、集电体、电极及包含其的锂离子二次电池 Download PDF

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CN111788727A
CN111788727A CN202080001237.5A CN202080001237A CN111788727A CN 111788727 A CN111788727 A CN 111788727A CN 202080001237 A CN202080001237 A CN 202080001237A CN 111788727 A CN111788727 A CN 111788727A
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copper foil
electrolytic copper
deposition
ion secondary
lithium ion
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CN111788727B (zh
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黄慧芳
赖庭君
郑桂森
周瑞昌
赖耀生
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Chang Chun Petrochemical Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
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Abstract

本发明提供一种电解铜箔、集电体、电极及包含其的锂离子二次电池。所述电解铜箔包含位于相反侧的一沉积面及一辊筒面。于第一实施方案中,电解铜箔的沉积面与辊筒面的ΔRS至多约95MPa,且沉积面的Vv约0.15μm3/μm2至1.35μm3/μm2。于第二实施方案中,电解铜箔的沉积面的Sku约1.5至6.5,且沉积面的Vv约0.15μm3/μm2至1.35μm3/μm2。前述特性能有利于提升电解铜箔的质量,进而延长包含此电解铜箔的锂离子二次电池的充放电循环寿命。

Description

PCT国内申请,说明书已公开。

Claims (28)

  1. PCT国内申请,权利要求书已公开。
CN202080001237.5A 2019-02-01 2020-01-15 电解铜箔、集电体、电极及包含其的锂离子二次电池 Active CN111788727B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962800263P 2019-02-01 2019-02-01
US62/800,263 2019-02-01
US16/429,921 US10581081B1 (en) 2019-02-01 2019-06-03 Copper foil for negative electrode current collector of lithium ion secondary battery
US16/429,921 2019-06-03
PCT/CN2020/072158 WO2020156159A1 (zh) 2019-02-01 2020-01-15 电解铜箔、集电体、电极及包含其的锂离子二次电池

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CN111788727A true CN111788727A (zh) 2020-10-16
CN111788727B CN111788727B (zh) 2022-02-08

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CN202010043439.8A Active CN111526660B (zh) 2019-02-01 2020-01-15 附载体铜箔及铜箔基板
CN202080002048.XA Active CN111936670B (zh) 2019-02-01 2020-01-15 表面处理铜箔及铜箔基板
CN202010044774.XA Pending CN111525176A (zh) 2019-02-01 2020-01-15 用于锂离子二次电池的负极集电体的铜箔
CN202080002025.9A Active CN111937197B (zh) 2019-02-01 2020-01-15 表面处理铜箔及铜箔基板
CN202010040372.2A Active CN111526659B (zh) 2019-02-01 2020-01-15 表面处理铜箔
CN202010040377.5A Active CN111526661B (zh) 2019-02-01 2020-01-15 具低传输损耗的铜箔
CN202080001233.7A Active CN111801444B (zh) 2019-02-01 2020-01-15 电解铜箔、电极及包含其的锂离子二次电池
CN202010040543.1A Active CN111525138B (zh) 2019-02-01 2020-01-15 具有优异接着性的铜箔
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CN112997590A (zh) 2021-06-18
EP3828970A1 (en) 2021-06-02
TWI744773B (zh) 2021-11-01

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