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    • 1. 发明申请
    • FAST CHARGING OF BATTERY USING ADJUSTABLE VOLTAGE CONTROL
    • 使用可调电压控制快速充电电池
    • US20110012563A1
    • 2011-01-20
    • US12505256
    • 2009-07-17
    • Anil ParyaniClay H. KishiyamaScott I. KohnVineet H. Mehta
    • Anil ParyaniClay H. KishiyamaScott I. KohnVineet H. Mehta
    • H02J7/04
    • H02J7/0021H01M10/0525H01M10/44H01M10/443H02J7/0052H02J7/007H02J7/0081H02J7/0086H02J7/045Y02E60/122Y02T10/7011
    • A battery cell charger for rapidly charging a lithium ion battery cell (or string of series-parallel connected cells) having a maximum battery cell voltage the battery cell charging system including: a circuit for charging the battery cell using an adjustable voltage charging-profile to apply a charging voltage and a charging current to the battery cell wherein the adjustable voltage charging-profile includes: a first charging stage with a constant first stage charging current and an increasing battery cell voltage with the first stage charging current provided until the first stage charging voltage is about equal to a first stage complete voltage less than the maximum battery cell voltage; one or more intermediate charging stages, each intermediate stage selected from the group consisting of one or more of an intermediate constant voltage stage that provides a decreasing charging current, an intermediate constant current stage that produces an increasing battery cell voltage, and combinations thereof; and a final charging stage with a constant final stage charging voltage about equal to an intermediate stage complete voltage and a decreasing final stage charging current with the final stage charging voltage provided until the final stage charging current reaches a desired charge complete level.
    • 一种用于对具有最大电池单元电压的锂离子电池单元(或串并联连接电池串)进行快速充电的电池单体充电器,包括:电池单元,其使用可调电压充电轮廓对电池单元进行充电, 向电池单元施加充电电压和充电电流,其中可调电压充电曲线包括:具有恒定的第一级充电电流的第一充电级和提供第一级充电电流的增加的电池单体电压,直到第一级充电 电压大约等于小于最大电池电压的第一级完成电压; 一个或多个中间充电级,每个中间级选自由提供减小的充电电流的中间恒定电压级中的一个或多个,产生增加的电池单元电压的中间恒定电流级及其组合组成的组; 以及最终充电阶段,其具有大约等于中间级完成电压的恒定的最终阶段充电电压,并且提供最终级充电电压的降低的最后阶段充电电流,直到最终级充电电流达到期望的充电完成水平。
    • 2. 发明授权
    • Fast charging of battery using adjustable voltage control
    • 使用可调电压控制快速充电电池
    • US08754614B2
    • 2014-06-17
    • US12505256
    • 2009-07-17
    • Anil ParyaniClay H. KishiyamaScott I. KohnVineet H. Mehta
    • Anil ParyaniClay H. KishiyamaScott I. KohnVineet H. Mehta
    • H02J7/00H02J7/04
    • H02J7/0021H01M10/0525H01M10/44H01M10/443H02J7/0052H02J7/007H02J7/0081H02J7/0086H02J7/045Y02E60/122Y02T10/7011
    • A battery cell charger for rapidly charging a lithium ion battery cell (or string of series-parallel connected cells) having a maximum battery cell voltage the battery cell charging system including: a circuit for charging the battery cell using an adjustable voltage charging-profile to apply a charging voltage and a charging current to the battery cell wherein the adjustable voltage charging-profile includes: a first charging stage with a constant first stage charging current and an increasing battery cell voltage with the first stage charging current provided until the first stage charging voltage is about equal to a first stage complete voltage less than the maximum battery cell voltage; one or more intermediate charging stages, each intermediate stage selected from the group consisting of one or more of an intermediate constant voltage stage that provides a decreasing charging current, an intermediate constant current stage that produces an increasing battery cell voltage, and combinations thereof; and a final charging stage with a constant final stage charging voltage about equal to an intermediate stage complete voltage and a decreasing final stage charging current with the final stage charging voltage provided until the final stage charging current reaches a desired charge complete level.
    • 一种用于对具有最大电池单元电压的锂离子电池单元(或串并联连接电池串)进行快速充电的电池单体充电器,包括:电池单元,其使用可调电压充电轮廓对电池单元进行充电, 向电池单元施加充电电压和充电电流,其中可调电压充电曲线包括:具有恒定的第一级充电电流的第一充电级和提供第一级充电电流的增加的电池单体电压,直到第一级充电 电压大约等于小于最大电池电压的第一级完成电压; 一个或多个中间充电级,每个中间级选自由提供减小的充电电流的中间恒定电压级中的一个或多个,产生增加的电池单元电压的中间恒定电流级及其组合组成的组; 以及最终充电阶段,其具有大约等于中间级完成电压的恒定的最终阶段充电电压,并且提供最终级充电电压的降低的最后阶段充电电流,直到最终级充电电流达到期望的充电完成水平。
    • 4. 发明授权
    • Refreshing charge control method and apparatus to extend the life of
batteries
    • 刷新充电控制方法和设备,延长电池的使用寿命
    • US6011380A
    • 2000-01-04
    • US282263
    • 1999-03-31
    • Anil ParyaniYasuyuki Sando
    • Anil ParyaniYasuyuki Sando
    • H01M10/34H01M10/44H02J7/00H01M10/46
    • B60L11/1862B60L3/0046H01M10/44H02J7/0077H01M10/345Y02E60/124Y02T10/7005Y02T10/7044Y02T10/705
    • A method and apparatus for charging a battery which is operable to normally charge the battery at a first state of charge setting, to determine when the battery has been undercharged a predetermined number of times, and to charge the battery at a second state of charge setting after the battery is undercharged the predetermined number of times. The second state of charge setting is greater than the first state of charge setting. The method includes determining when the state of charge of the battery is below a predetermined level, charging the battery at the first state of charge setting, calculating a number of charging times when the battery was charged below the predetermined level after the last time the battery was charged at the predetermined level, and charging the battery with a second state of second charge setting when the calculated number of charging times equals a predetermined number. The apparatus includes a sensor for sensing the state of charge of the battery, a counter for counting the number of charging times that the battery was charged below a predetermined level after the last time the battery was charged to the predetermined level, and a charger for applying the second state of charge setting when the number of charging times counted by the counter equals the predetermined number.
    • 一种用于对电池充电的方法和装置,其可操作以在第一充电状态下对电池进行正常充电,以确定电池何时已经充电了预定次数,并且在第二充电状态下对电池充电 在电池电量不足预定次数之后。 第二种充电状态设置大于第一种充电状态。 该方法包括确定电池的充电状态何时低于预定电平,在第一充电状态下对电池充电,计算在电池最后一次充电之后电池被充电到低于预定电平的充电次数 当所计算的充电次数等于预定数量时,以预定电平充电并且以第二充电设置的第二状态对电池充电。 该装置包括用于感测电池的充电状态的传感器,用于将上次电池充电到预定电平后将电池充电到低于预定电平的充电次数进行计数的计数器,以及用于 当由计数器计数的充电次数等于预定数时,应用第二充电状态设定。
    • 6. 发明申请
    • DETERMINING BATTERY DC IMPEDANCE
    • 确定电池直流阻抗
    • US20110077879A1
    • 2011-03-31
    • US12570745
    • 2009-09-30
    • Anil Paryani
    • Anil Paryani
    • H02J7/04G01N27/416
    • B60L11/1816B60L11/1851G01R31/3662G01R31/3679H02J7/0073Y02T10/7005Y02T10/7011Y02T10/705
    • A method and apparatus for measuring battery cell DC impedance by controlling charging of the battery cell. The method includes real-time characterization of a battery, (a) measuring periodically a DC impedance of the battery to determine a measured DC impedance; (b) ratioing the measured DC impedance to a reference DC impedance for the battery to establish an impedance degradation factor; (c) obtaining, during use of the battery and responsive to a set of attributes of the battery, an operational reference impedance for the battery; and (d) applying the impedance degradation factor to the operational reference impedance to obtain a real-time effective impedance for the battery.
    • 一种通过控制电池单元的充电来测量电池单元DC阻抗的方法和装置。 该方法包括电池的实时表征,(a)周期性地测量电池的直流阻抗以确定测量的直流阻抗; (b)将所测量的直流阻抗与电池的参考直流阻抗进行比较以建立阻抗降低因子; (c)在使用所述电池期间并且响应于所述电池的一组属性获得所述电池的操作参考阻抗; 和(d)将阻抗劣化因子应用于操作参考阻抗以获得电池的实时有效阻抗。
    • 7. 发明申请
    • LOW TEMPERATURE CHARGING OF LI-ION CELLS
    • 锂离子电池的低温充电
    • US20110012562A1
    • 2011-01-20
    • US12570640
    • 2009-09-30
    • Anil Paryani
    • Anil Paryani
    • H02J7/04
    • H02J7/047
    • A battery cell charging system, including a charger and a controller, for low-temperature (below about zero degrees Celsius) charging a lithium ion battery cell, the battery cell charging system includes: a circuit for charging the battery cell using an adjustable voltage charging-profile to apply a charging voltage and a charging current to the battery cell wherein the adjustable voltage charging-profile having: a non-low-temperature charging stage for charging the battery cell using a charging profile adapted for battery cell temperatures above about zero degrees Celsius; and a low-temperature charging stage with a variable low-temperature stage charging current that decreases responsive to a battery cell temperature falling below zero degrees Celsius.
    • 一种对锂离子电池单元进行充电的低温(低于约摄氏度)的充电器和控制器的电池单元充电系统,所述电池单元充电系统包括:用于使用可调电压充电对所述电池单元进行充电的电路 - 向电池单元施加充电电压和充电电流,其中所述可调节电压充电曲线具有:用于使用适于电池单元温度高于约零度的充电曲线对电池单元充电的非低温充电阶段 摄氏度 以及具有可变的低温级充电电流的低温充电阶段,其响应于低于零摄氏度的电池单元温度而降低。