首页> 外国专利> Rolled copper foil for secondary battery negative electrode current collector, secondary battery negative electrode current collector and secondary battery using same, and manufacturing method of rolled copper foil for secondary battery negative electrode current collector

Rolled copper foil for secondary battery negative electrode current collector, secondary battery negative electrode current collector and secondary battery using same, and manufacturing method of rolled copper foil for secondary battery negative electrode current collector

机译：用于二次电池负极集电体的轧制铜箔，二次电池负极集电体和二次电池使用相同，以及二次电池负极集电器的轧制铜箔的制造方法

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摘要

To provide the rolled copper foil for secondary battery negative electrode current collectors which can suppress favorably the plastic deformation and fracture|rupture of copper foil by generation|occurrence|production of the stress accompanying the volume change of an active material, etc. The rolled copper foil for secondary battery negative electrode electrical power collectors containing 0.2-2.0 mass % of Sn, tensile strength of 650 MPa or more, and break elongation of 1.0 % or more.

机译：为二次电池负极电流收集器提供轧制铜箔，其能够通过产生活性材料的体积变化的应力的产生抑制铜箔的塑性变形和骨折的塑性变形和破裂。卷铜用于二次电池负极电力收集器的箔，含有0.2-2.0质量％的Sn，拉伸强度为650mPa或更大，断裂伸长率为1.0％或更高。

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公开/公告号KR20210133278A

专利类型
公开/公告日2021-11-05

原文格式PDF
申请/专利权人 제이엑스금속주식회사;
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申请/专利号KR20217031256
发明设计人 오카베 후미야;
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申请日2020-02-21
分类号C22C9/02;B21B1/40;C21D8/02;C22F1/08;H01M4/66;
国家 KR
入库时间 2022-08-24 22:27:59

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