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    • 2. 发明申请
    • Method and apparatus for estimating maximum power of battery by using internal resistance of the battery
    • 通过使用电池的内部电阻来估计电池的最大功率的方法和装置
    • US20060284618A1
    • 2006-12-21
    • US11440888
    • 2006-05-25
    • Il ChoDo KimDo Jung
    • Il ChoDo KimDo Jung
    • G01N27/416
    • G01R31/382B60L58/12G01R31/374G01R31/389Y02T10/7005Y02T10/7044Y02T10/705
    • Disclosed is a method for estimating the maximum power of a battery, which can inexpensively perform an estimation of the maximum power of a battery in a relatively simple manner of using the internal resistance of the battery, which has a correlation with and a largest effect on the maximum power of the battery. The method includes the steps of: measuring an internal resistance and a temperature of the battery and estimating a state of charge, if an estimation of the maximum power of the battery is requested; and reading a value of the maximum power of the battery, which corresponds to the measured temperature, the estimated state of charge, and the measured internal resistance, from a table in which the internal resistances and the maximum powers of the battery are mapped according to the temperatures and states of charge.
    • 公开了一种用于估计电池的最大功率的方法,其可以以相对简单的方式使用电池的内部电阻来廉价地执行电池的最大功率的估计,其与电池的内部电阻具有相关性并且具有最大的影响 电池的最大功率。 该方法包括以下步骤:如果要求估计电池的最大功率,则测量电池的内部电阻和温度并估计电荷状态; 根据电池的内部电阻和电池的最大功率映射的表,根据测量温度,估计的充电状态和测量的内部电阻来读取与电池的最大功率的值, 温度和充电状态。
    • 3. 发明申请
    • Method and apparatus of estimating state of health of battery
    • 估计电池的健康状况的方法和装置
    • US20070001679A1
    • 2007-01-04
    • US11479910
    • 2006-06-30
    • Il ChoDo KimDo Jung
    • Il ChoDo KimDo Jung
    • G01N27/416
    • G01R31/3662G01R31/3624G01R31/3675G01R31/3679
    • Disclosed is a method and apparatus of estimating a state of health (SOH) of a battery using internal resistance, which has been found to act as a parameter exerting the greatest influence on the SOH of the battery. The method comprises the steps of: storing an SOH estimation table constructing SOH values corresponding to various values of internal resistance according to temperature and a state of charge (SOC) in a memory; performing measurement of the temperature and estimation of the SOC of the battery when a request is made to estimate the SOH; detecting the internal resistance value of the battery; and reading the SOH values corresponding to the measured temperature, the estimated SOC of the battery, and the detected internal resistance value of the battery from the SOH estimation table.
    • 公开了一种使用内部电阻估计电池的健康状态(SOH)的方法和装置,其被认为是对电池的SOH影响最大的参数。 该方法包括以下步骤:根据存储器中的温度和状态(SOC),存储与内部电阻的各种值对应的SOH值的SOH估计表; 当要求估计SOH时,执行温度的测量和电池的SOC的估计; 检测电池的内阻值; 以及从SOH估计表读取与测量温度相对应的SOH值,电池的估计SOC和检测到的电池内部电阻值。
    • 4. 发明申请
    • Method for estimating SOC of a battery and battery management system using the same
    • 用于估计使用其的电池和电池管理系统的SOC的方法
    • US20070001649A1
    • 2007-01-04
    • US11479560
    • 2006-06-30
    • Il ChoDo KimDo Jung
    • Il ChoDo KimDo Jung
    • H02J7/00
    • G01R31/3675G01R31/362G01R31/3693
    • Disclosed is a method for setting an initial SOC value, which initializes the SOC in consideration of not only the temperature change of the external environment of the battery but also the internal temperature change of the battery before the battery reaches a stable unloaded state, thereby enhancing the accuracy in the setup of the initial SOC value. The method includes: measuring internal temperatures of the battery and SOCs corresponding to voltages of the battery, which change according to the time passage after a loaded state is converted into an unloaded state, and constructing an SOC estimation table by using measured values, and storing the SOC estimation table; measuring the internal temperature and the voltage of the battery when estimation of an initial SOC value of the battery is required; and reading an SOC corresponding to the measured internal temperature and the voltage of the battery from the SOC estimation table.
    • 公开了一种用于设定初始SOC值的方法,其不仅考虑电池的外部环境的温度变化而初始化SOC,而且考虑到电池在电池达到稳定的卸载状态之前的内部温度变化,从而增强 初始SOC值的设置精度。 该方法包括:测量电池的内部温度和对应于电池电压的SOC,其根据负载状态转换为无载状态后的时间流逝而改变,并且通过使用测量值构建SOC估计表,并且存储 SOC估计表; 当需要估计电池的初始SOC值时,测量电池的内部温度和电压; 并从SOC估计表读取与测量的内部温度和电池电压对应的SOC。
    • 5. 发明申请
    • Method of structuring comparative reference value used in battery SOC estimating method for dynamic pattern
    • 构建电池SOC估算方法中比较参考值的方法
    • US20060244458A1
    • 2006-11-02
    • US11378439
    • 2006-03-17
    • Il ChoDo Kim
    • Il ChoDo Kim
    • G01N27/416
    • G01R31/3651B60L11/1861G01R1/28G01R19/16542G01R31/3624H01M10/441H01M10/482Y02T10/7011Y02T10/7044Y02T10/705
    • Disclosed is a method for structuring a comparative reference value used to estimate a residual charge (SOC; State of Charge) of a battery. The method comprises comprising steps of: measuring open circuit voltages (OCV) and residual capacities (SOC) of a battery at various temperatures and tabling them according to the temperatures; measuring an open circuit voltage (OCV1) at a temperature before a test; carrying out a discharge capacity counting (Ah-counting) for the battery using a measurement apparatus while carrying out a dynamic pattern test; providing a sufficient relaxation time period for the battery after ending the dynamic pattern test; measuring an open circuit voltage (OCV2) at a temperature after the sufficient relaxation time period; obtaining residual capacity values of the battery corresponding to the measured open circuit voltages (OCV1, OCV2) from the table; assuming a difference between the above-obtained two residual capacity values as a δSOC and calculating an 1C-rated capacity based on the δSOC; and applying the calculated rated capacity as a denominator of the discharge capacity counting to calculate an exact residual capacity of the battery.
    • 公开了一种用于构造用于估计电池的剩余电荷(SOC;充电状态)的比较参考值的方法。 该方法包括以下步骤:测量各种温度下的电池的开路电压(OCV)和剩余容量(SOC),并根据温度对其进行压片; 在测试前的温度下测量开路电压(OCV 1); 在进行动态图案测试时,使用测量装置对电池进行放电容量计数(Ah计数); 在结束动态模式测试后为电池提供足够的放松时间; 在足够的弛豫时间段之后的温度下测量开路电压(OCV 2); 从所述表中获取与所测量的开路电压(OCV 1,OCV 2)对应的电池的剩余容量值; 假定上述获得的两个剩余容量值之间的差值作为ΔSOC并基于ΔSOC计算1C额定容量; 并将计算出的额定容量作为放电容量计数的分母来计算电池的精确剩余容量。
    • 10. 发明授权
    • Method and apparatus of estimating state of health of battery
    • 估计电池的健康状况的方法和装置
    • US07615967B2
    • 2009-11-10
    • US11479910
    • 2006-06-30
    • Il ChoDo Youn KimDo Yang Jung
    • Il ChoDo Youn KimDo Yang Jung
    • H02J7/00G01N27/416G08B21/00G01R31/36
    • G01R31/3662G01R31/3624G01R31/3675G01R31/3679
    • Disclosed is a method and apparatus of estimating a state of health (SOH) of a battery using internal resistance, which has been found to act as a parameter exerting the greatest influence on the SOH of the battery. The method comprises the steps of: storing an SOH estimation table constructing SOH values corresponding to various values of internal resistance according to temperature and a state of charge (SOC) in a memory; performing measurement of the temperature and estimation of the SOC of the battery when a request is made to estimate the SOH; detecting the internal resistance value of the battery; and reading the SOH values corresponding to the measured temperature, the estimated SOC of the battery, and the detected internal resistance value of the battery from the SOH estimation table.
    • 公开了一种使用内部电阻估计电池的健康状态(SOH)的方法和装置,其被认为是对电池的SOH影响最大的参数。 该方法包括以下步骤:根据存储器中的温度和状态(SOC),存储与内部电阻的各种值对应的SOH值的SOH估计表; 当要求估计SOH时,执行温度的测量和电池的SOC的估计; 检测电池的内阻值; 以及从SOH估计表读取与测量温度相对应的SOH值,电池的估计SOC和检测到的电池内部电阻值。