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    • 1. 发明申请
    • LITHIUM BATTERY AND THE PREPARATION METHOD THEREOF
    • 锂电池及其制备方法
    • US20150288029A1
    • 2015-10-08
    • US14384178
    • 2014-01-28
    • EVE ENERGY CO., LTD.
    • Zhengzhong LvFanfen LiuZhongzhi YuanJincheng Liu
    • H01M10/0567H01M10/0525H01M4/66H01M4/505H01M4/525H01M2/16H01M4/131
    • H01M10/0567H01M2/1686H01M4/131H01M4/505H01M4/525H01M4/661H01M4/74H01M10/0525H01M10/0568H01M10/058H01M2220/30H01M2300/0028
    • The present invention discloses a lithium battery, which comprises of a positive electrode plate, a negative electrode current collector substrate, a separator and electrolyte between the positive electrode plate and the negative electrode current collector substrate. The positive electrode plate comprises a positive electrode collector, a positive electrode active material-containing positive electrode layer attached to the positive electrode collector and positive electrode tab welded to the positive electrode collector. The negative electrode current collector substrate comprises a negative electrode current collector and negative electrode tab welded to the negative electrode current collector. The negative electrode current collector substrate is a current collector substrate with 6˜60 μm thickness having a planar or concavo-convex structure which is made from metal foil material or metal mesh with 6˜25 μm thickness. The electrolyte contains lithium salt and solvent, wherein the lithium salt is lithium hexafluorophosphate and its concentration in the electrolyte is between 1.5˜7 mol/L. The lithium battery of the present invention has characteristics of high power, high energy and low self-discharge rate. Meanwhile, the present invention also discloses a preparation method of the lithium battery and use thereof.
    • 本发明公开了一种在正极板和负极集电体基板之间具有正极板,负极集电体基板,隔膜以及电解质的锂电池。 正极板包括正极集电体,附着于正极集电体的含正极活性物质的正极层和与正极集电体焊接的正极片。 负极集电体基板包括焊接到负极集电体的负极集电体和负极接头。 负极集电体基板是具有6〜60μm厚度的集电体基板,其具有由金属箔材料或6〜25μm厚度的金属网制成的平面或凹凸结构。 电解液含有锂盐和溶剂,其中锂盐是六氟磷酸锂,其在电解液中的浓度在1.5〜7mol / L之间。 本发明的锂电池具有功率大,能量高,自放电率低的特点。 同时,本发明还公开了锂电池的制备方法及其用途。