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1. 发明授权

US08198867B2 Charging control method for secondary battery and battery charger 有权
标题翻译：二次电池和电池充电器的充电控制方法
公开(公告)号：US08198867B2
公开(公告)日：2012-06-12
申请号：US12701442
申请日：2010-02-05
申请人： Masayoshi Toyota
发明人： Masayoshi Toyota
IPC分类号： H02J7/04 , H02J7/00 , G01N27/416
CPC分类号： H02J7/0057
摘要： A method and a charger for auxiliarily charging a secondary battery to a desired SOC with high accuracy. A charger for a secondary battery includes a charge termination condition storing unit which stores a relationship between open circuit voltages OCV of a plurality of secondary batteries and an amount of change of terminal voltage ΔV until a desired state of charge SOC is reached, which is previously created. A target terminal voltage Vmap at the time of the auxiliary charge is calculated by adding the amount of change of terminal voltage ΔV corresponding to the open circuit voltage OCV of a secondary battery to be auxiliarily charged to the open circuit voltage OCV which is measured. A terminal voltage Vb of the secondary battery at the time of auxiliary charge and the target terminal voltage Vmap are compared to each other by a comparison unit, and when the target terminal voltage Vmap is reached, auxiliary charge is terminated.
摘要翻译：一种用于以高精度将二次电池辅助充电到期望的SOC的方法和充电器。用于二次电池的充电器包括充电终止条件存储单元，其存储多个二次电池的开路电压OCV与端子电压的变化量Dgr; V之间的关系，直到达到期望的充电状态SOC为止以前创建。通过将与辅助充电的二次电池的开路电压OCV相对应的端子电压＆Dgr; V的变化量与被测量的开路电压OCV相加来计算辅助充电时的目标端子电压Vmap 。辅助充电时的二次电池的端子电压Vb和目标端子电压Vmap通过比较单元进行比较，当达到目标端子电压Vmap时，辅助充电结束。

2. 发明授权

US06646421B2 Method and apparatus for controlling residual battery capacity of secondary battery 失效
公开(公告)号：US06646421B2
公开(公告)日：2003-11-11
申请号：US10163807
申请日：2002-06-05
申请人： Tadao Kimura , Masayoshi Toyota
发明人： Tadao Kimura , Masayoshi Toyota
IPC分类号： H01M1044
CPC分类号： G01R31/361 , G01R31/3651
摘要： A method for controlling a residual battery capacity of a secondary battery, by which the precision of the energy management of the system can be improved substantially, is provided. A current flowing through the battery is detected and the detected current is multiplied by a predetermined charge efficiency so that an operation on a residual battery capacity is performed at least by current integration (S201), an output voltage from the battery is detected and an average of the output voltages detected for a predetermined time period is calculated (S202), an average of the residual battery capacities obtained by the operation for a predetermined time period is calculated (S203), a reference voltage corresponding to the calculated average of residual battery capacities is referred to (S204), the reference voltage and the average voltage is compared (S205), and the predetermined charge efficiency is set variably based on a result of the comparison (S206).

3. 发明申请

US20100244777A1 CHARGING CONTROL METHOD FOR SECONDARY BATTERY AND BATTERY CHARGER 有权
标题翻译：二次电池充电控制方法及电池充电器
公开(公告)号：US20100244777A1
公开(公告)日：2010-09-30
申请号：US12701442
申请日：2010-02-05
申请人： Masayoshi Toyota
发明人： Masayoshi Toyota
IPC分类号： H02J7/00
CPC分类号： H02J7/0057
摘要： A method and a charger for auxiliarily charging a secondary battery to a desired SOC with high accuracy. A charger for a secondary battery includes a charge termination condition storing unit which stores a relationship between open circuit voltages OCV of a plurality of secondary batteries and an amount of change of terminal voltage ΔV until a desired state of charge SOC is reached, which is previously created. A target terminal voltage Vmap at the time of the auxiliary charge is calculated by adding the amount of change of terminal voltage ΔV corresponding to the open circuit voltage OCV of a secondary battery to be auxiliarily charged to the open circuit voltage OCV which is measured. A terminal voltage Vb of the secondary battery at the time of auxiliary charge and the target terminal voltage Vmap are compared to each other by a comparison unit, and when the target terminal voltage Vmap is reached, auxiliary charge is terminated.
摘要翻译：一种用于以高精度将二次电池辅助充电到期望的SOC的方法和充电器。用于二次电池的充电器包括充电终止条件存储单元，其存储多个二次电池的开路电压OCV与端子电压的变化量Dgr; V之间的关系，直到达到期望的充电状态SOC，其中以前创建。通过将与辅助充电的二次电池的开路电压OCV相对应的端子电压＆Dgr; V的变化量与被测量的开路电压OCV相加来计算辅助充电时的目标端子电压Vmap 。辅助充电时的二次电池的端子电压Vb和目标端子电压Vmap通过比较单元进行比较，当达到目标端子电压Vmap时，辅助充电结束。

4. 发明授权

US06700383B2 Method of detecting and resolving memory effect 有权
标题翻译：检测和解决记忆效应的方法
公开(公告)号：US06700383B2
公开(公告)日：2004-03-02
申请号：US10174204
申请日：2002-06-17
申请人： Tadao Kimura , Masayoshi Toyota , Norito Yamabe , Yusai Murakami
发明人： Tadao Kimura , Masayoshi Toyota , Norito Yamabe , Yusai Murakami
IPC分类号： G01N27416
CPC分类号： G01R31/3624 , B60L3/0046 , B60L11/123 , B60L11/14 , B60L11/1816 , B60L11/1861 , B60L2240/545 , B60L2240/547 , B60L2240/549 , B60L2240/80 , G01R31/3627 , G01R31/3665 , Y02T10/6217 , Y02T10/7011 , Y02T10/7016 , Y02T10/7044 , Y02T10/705 , Y02T10/7072 , Y02T10/7077 , Y02T90/14
摘要： A method of detecting and resolving a memory effect capable of detecting the memory effect with ease and with high precision and resolving even when the vehicle is in motion is provided. A current in a secondary battery is detected, a variation &Dgr;SOC in a residual battery capacity for a predetermined time period is calculated according to at least current integration by multiplying the detected current by a predetermined charge efficiency (S302), a temperature of the secondary battery is detected and a variation &Dgr;V in a no-load voltage for the predetermined time period is calculated based on the detected current, and an internal resistance corresponding to the detected temperature and the SOC is calculated (S303). A ratio k of the variation in the no-load voltage to the variation in the residual battery capacity is calculated (S304). If the ratio exceeds a predetermined threshold value kst, then the battery is judged to have a memory effect (S307), and the usage range of the SOC is extended for a predetermined time period (S308) or the correction of the SOC using voltages is prohibited for a predetermined time period(S309).
摘要翻译：提供了即使在车辆运动时也能够容易且高精度地检测存储器效果并且能够分辨的存储效果的方法。检测二次电池中的电流，通过将检测电流乘以预定的充电效率（S302）至少根据电流积分来计算预定时间段的剩余电池容量的变化量ΔSOC（S302），二次电池的温度并且基于检测到的电流来计算预定时间段的空载电压的变化量ΔV，并且计算与检测到的温度和SOC对应的内部电阻（S303）。计算空载电压的变化与剩余电池容量的变化的比k（S304）。如果比率超过预定阈值kst，则判断电池具有存储效应（S307），并且将SOC的使用范围延长预定时间段（S308）或者使用电压的SOC的校正是禁止预定时间段（S309）。

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