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    • 18. 发明授权
    • Charging method and charger for non-aqueous electrolyte secondary battery
    • 非水电解质二次电池充电方法及充电器
    • US08541986B2
    • 2013-09-24
    • US13122096
    • 2010-06-15
    • Tatsuki HiraokaMasaya UgajiTaisuke YamamotoKatsumi Kashiwagi
    • Tatsuki HiraokaMasaya UgajiTaisuke YamamotoKatsumi Kashiwagi
    • H02J7/00
    • H02J7/0086H01M10/0525H01M10/441H02J7/0013
    • In a charging method for a non-aqueous electrolyte secondary battery which includes a positive electrode including a lithium-containing composite oxide as an active material, a negative electrode including an alloy-formable negative electrode active material, and a non-aqueous electrolyte, a voltage of the secondary battery is detected. When the detected value is smaller than a predetermined voltage x, charging is performed at a comparatively small current value B. When the detected value is equal to or greater than the predetermined voltage x and smaller than a predetermined voltage z, charging is performed at a comparatively great current value A. When the detected value is equal to or greater than the predetermined voltage z and smaller than a predetermined voltage y, charging is performed at a comparatively small current value C. When the detected value is greater than the predetermined voltage y, constant-voltage charging is performed or charging is terminated. Here, x
    • 在包括含有作为活性物质的含锂复合氧化物的正极的非水电解质二次电池的充电方法中,包含合金成形性负极活性物质的负极和非水电解质, 检测到二次电池的电压。 当检测值小于预定电压x时,以比较小的电流值B进行充电。当检测值等于或大于预定电压x并小于预定电压z时,在 相对较大的电流值A.当检测值等于或大于预定电压z且小于预定电压y时,以相对较小的电流值C进行充电。当检测值大于预定电压y ,执行恒压充电或终止充电。 这里,x