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    • 87. 发明申请
    • SEALED LITHIUM SECONDARY BATTERY AND METHOD OF MANUFACTURING SAME
    • 密封锂二次电池及其制造方法
    • US20140315072A1
    • 2014-10-23
    • US14355857
    • 2011-11-04
    • Kiwamu KobayashiNaoki WakamatsuHideki Sano
    • Kiwamu KobayashiNaoki WakamatsuHideki Sano
    • H01M10/44H01M10/052
    • H01M10/446H01M2/0217H01M2/08H01M10/052H01M10/0525H01M10/0565H01M10/0587Y02E60/122Y02P70/54Y02T10/7011Y10T29/4911
    • The invention provides a method capable of more simply and easily mass-producing sealed lithium secondary batteries having a stable battery performance. This method of manufacturing a sealed lithium secondary battery having an electrode assembly, an electrolyte solution and a sealable metallic or nonmetallic hard case of a given shape includes the steps of housing the electrode assembly, which includes a positive electrode and a negative electrode, and the electrolyte solution within the hard case; negatively pressurizing the interior of the hard case and sealing the hard case in the negatively pressurized state; carrying out, after the sealing step, initial charging so as to adjust the battery to a voltage at which the electrode assembly generates gases; and carrying out, after the initial charging step, main charging so as to charge the battery to a predetermined voltage. During the interval following the sealing step and up until the main charging step, the hard case is maintained in a sealed state so that the interior of the hard case is not open to the atmosphere.
    • 本发明提供一种能够更简单且容易地批量生产具有稳定电池性能的密封锂二次电池的方法。 制造具有给定形状的电极组件,电解质溶液和可密封金属或非金属硬壳的密封锂二次电池的方法包括以下步骤:容纳包括正极和负极的电极组件,并且 电解液在硬壳内; 对硬壳的内部进行负压,并将硬壳密封在负压状态; 在密封步骤之后进行初始充电,以将电池调节到电极组件产生气体的电压; 并且在初始充电步骤之后进行主充电以将电池充电至预定电压。 在密封步骤之后的间隔期间直到主充电步骤,硬壳保持在密封状态,使得硬壳的内部不对大气敞开。