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    • 5. 发明申请
    • BATTERY PACK AND BALANCING METHOD OF BATTERY CELLS
    • 电池组的电池组和平衡方法
    • US20100194339A1
    • 2010-08-05
    • US12467142
    • 2009-05-15
    • Jongwoon YangSegawa SusumuInkyu ParkYonguk Kim
    • Jongwoon YangSegawa SusumuInkyu ParkYonguk Kim
    • H02J7/00
    • H02J7/0016
    • A balancing method for a battery pack includes balancing battery cells near an end of discharge. A deep discharge of the battery cells can be prevented without using an overdischarge control unit. One battery cell balancing method includes: a balancing check condition determination step for determining whether or not a maximum voltage out of voltages of the battery cells is smaller than a reference voltage; a balancing start condition determination step for determining whether or not a residual capacity difference or voltage difference between the individual battery cells exceeds a reference value; a balancing time calculation step for calculating a balancing time for discharging the battery cell that exceeds the reference value; and a balancing operation step for discharging the selected battery cell when the battery cells are under charge or are at rest or when a discharge current of the battery cells is smaller than a reference current.
    • 电池组的平衡方法包括在放电结束附近平衡电池单元。 可以防止电池单元的深度放电而不使用过放电控制单元。 一种电池单元平衡方法包括:平衡检查条件确定步骤,用于确定电池单元的电压中的最大电压是否小于参考电压; 平衡开始条件确定步骤,用于确定各个电池单元之间的剩余容量差或电压差是否超过参考值; 平衡时间计算步骤,用于计算超过参考值的电池单元的放电平衡时间; 以及平衡操作步骤,用于当电池单元处于充电状态或静止时或当电池单元的放电电流小于参考电流时对所选择的电池单元进行放电。
    • 6. 发明授权
    • Battery pack and balancing method of battery cells
    • 电池组和电池单元的平衡方法
    • US08350528B2
    • 2013-01-08
    • US12467142
    • 2009-05-15
    • Jongwoon YangSegawa SusumuInkyu ParkYonguk Kim
    • Jongwoon YangSegawa SusumuInkyu ParkYonguk Kim
    • H02J7/00H02J7/04
    • H02J7/0016
    • A balancing method for a battery pack includes balancing battery cells near an end of discharge. A deep discharge of the battery cells can be prevented without using an overdischarge control unit. One battery cell balancing method includes: a balancing check condition determination step for determining whether or not a maximum voltage out of voltages of the battery cells is smaller than a reference voltage; a balancing start condition determination step for determining whether or not a residual capacity difference or voltage difference between the individual battery cells exceeds a reference value; a balancing time calculation step for calculating a balancing time for discharging the battery cell that exceeds the reference value; and a balancing operation step for discharging the selected battery cell when the battery cells are under charge or are at rest or when a discharge current of the battery cells is smaller than a reference current.
    • 电池组的平衡方法包括在放电结束附近平衡电池单元。 可以防止电池单元的深度放电而不使用过放电控制单元。 一种电池单元平衡方法包括:平衡检查条件确定步骤,用于确定电池单元的电压中的最大电压是否小于参考电压; 平衡开始条件确定步骤,用于确定各个电池单元之间的剩余容量差或电压差是否超过参考值; 平衡时间计算步骤,用于计算超过参考值的电池单元的放电平衡时间; 以及平衡操作步骤,用于当电池单元处于充电状态或静止时或当电池单元的放电电流小于参考电流时对所选择的电池单元进行放电。
    • 8. 发明申请
    • BATTERY PACK AND CHARGING METHOD FOR THE SAME
    • 电池组及其充电方法
    • US20090295332A1
    • 2009-12-03
    • US12467977
    • 2009-05-18
    • Jongwoon YangSegawa SusumuSesub Sim
    • Jongwoon YangSegawa SusumuSesub Sim
    • H02J7/00
    • H02J7/0029H02J2007/0037
    • A battery pack and a charging method for the same are disclosed. The battery pack automatically regulates the full-charge voltage of a battery according to deterioration of lifespan of the battery. The battery pack includes: a rechargeable battery having a positive electrode and negative electrode; a switching module having a charge switching device and discharge switching device electrically connected to a high-current path of the battery; and a battery management unit electrically connected to the switching module to control the charge switching device and discharge switching device, electrically connected to the battery to measure an open-circuit voltage and a use time of the battery, determining whether the battery is deteriorated with reference to at least one of the open-circuit voltage and the use time of the battery, and setting a full-charge voltage of the battery when the deterioration of the battery is determined.
    • 公开了一种电池组及其充电方法。 根据电池寿命的恶化,电池组自动调节电池的满充电压。 电池组包括:具有正极和负极的可再充电电池; 开关模块,其具有电连接到电池的大电流路径的充电开关装置和放电开关装置; 以及电连接到开关模块的电池管理单元,用于控制电连接到电池的充电开关装置和放电开关装置,以测量电池的开路电压和使用时间,确定电池是否劣化参考 至电池的开路电压和使用时间中的至少一个,并且当确定电池的劣化时,设定电池的全充电电压。
    • 10. 发明申请
    • Lithium Ion Battery and Method of Power Conservation for the Same
    • 锂离子电池及其节能方法
    • US20090212742A1
    • 2009-08-27
    • US12434585
    • 2009-05-01
    • Sesub SimJongwoon YangSegawa Susumu
    • Sesub SimJongwoon YangSegawa Susumu
    • H02J7/00
    • H02J9/005H02J2007/005H02J2009/007
    • A lithium ion battery and a method of power conservation for the same are provided. A bare cell including an electrode assembly with a plurality of electrodes and a protective circuit are coupled together via the plurality of electrodes. The protective circuit includes a remaining charge control circuit that internally detects a long-term nonuse state of the lithium ion battery and blocks current between the bare cell and the protective circuit when the long-term nonuse state is detected. The method includes: detecting whether the battery is used as a power source for an external instrument; determining and recording a value of an accumulated nonuse time when the lithium ion battery was not used as a power source; and blocking an internal current and converting the battery to a long-term nonuse mode when the value of the accumulated nonuse time is above a value indicative of a predetermined time.
    • 提供锂离子电池及其省电方法。 包括具有多个电极的电极组件和保护电路的裸电池通过多个电极耦合在一起。 保护电路包括在检测到长期不使用状态时内部检测锂离子电池的长期不使用状态并阻止裸电池与保护电路之间的电流的剩余电荷控制电路。 该方法包括:检测电池是否用作外部仪器的电源; 当不使用锂离子电池作为电源时,确定和记录累积的非使用时间的值; 并且当累积的非使用时间的值高于指示预定时间的值时,阻断内部电流并将电池转换为长期非使用模式。