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Electrolytic copper foil having high strength and low warpage and method for producing the same
Electrolytic copper foil having high strength and low warpage and method for producing the same
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机译:高强度,低翘曲的电解铜箔及其制造方法
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摘要
This electrolytic copper foil is characterized by the tensile strength in an ordinary state (hereinafter referred to as "ordinary state tensile strength") being 45-55 kgf/mm2, and the average amount of lift of the four 100 mm corners being no greater than 2 mm, and the tensile strength after heating for 60 minutes at 180°C (hereinafter referred to as "post-heating tensile strength") is at least 85% of the ordinary state tensile strength. The problem addressed by the present invention is to provide an electrolytic copper foil that has a high ordinary state tensile strength and post-heating tensile strength and a low amount of warping, particularly an electrolytic copper foil useful as a secondary battery anode collector.
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机译:该电解铜箔的特征在于,常态下的抗拉强度(以下称为“常态下的抗拉强度”)为45〜55kgf / mm 2,四个100mm的角的平均提升量不大于100mm。 2mm,在180℃加热60分钟后的抗拉强度(以下称为“加热后抗拉强度”)为常态抗拉强度的至少85%。本发明解决的问题是提供一种电解铜箔,特别是用作二次电池负极集电体的电解铜箔,该电解铜箔具有高的常态拉伸强度和加热后拉伸强度且翘曲量低。
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