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    • 6. 发明授权
    • Battery pack manager
    • 电池组经理
    • US08330421B2
    • 2012-12-11
    • US12842561
    • 2010-07-23
    • Toshiaki Nakanishi
    • Toshiaki Nakanishi
    • H02J7/00
    • H02J7/0016B60L11/1851B60L11/1864B60L11/1866G01R31/3658H01M10/441H01M10/482Y02T10/7005Y02T10/7055Y02T10/7061
    • An apparatus for lessening variations in a state of charge (SOC) or remaining capacity of a battery pack. The battery pack is made up of a plurality of blocks, and slave units are provided for the respective blocks. Terminal voltages of the blocks are detected and supplied to a master unit. Variations arise in a state of charge or remaining capacity of the respective blocks for reasons of differences among the slave units in terms of electric power consumption. The master unit controls deactivation timing of the respective slave units incidental to turning off of a vehicle ignition according to the variations in the state of charge of the respective blocks. The deactivation timing is delayed much longer with an increase in the state of charge, thereby equalizing the state of charge or the remaining capacity.
    • 一种用于减轻电池组的充电状态(SOC)或剩余容量变化的装置。 电池组由多个块组成,并且为各个块提供从单元。 块的端子电压被检测并提供给主单元。 由于在电力消耗方面的从属单元之间的差异,在各个块的充电状态或剩余容量中出现变化。 主单元根据各块的充电状态的变化,控制与车辆点火关闭相关的各个从单元的停用定时。 停用时间随着充电状态的增加而延迟得更长,从而均衡充电状态或剩余容量。
    • 8. 发明授权
    • Nickel-metal hydride battery
    • 镍氢电池
    • US08119284B2
    • 2012-02-21
    • US11964620
    • 2007-12-26
    • Shinichiro ItoHiroyuki Sakamoto
    • Shinichiro ItoHiroyuki Sakamoto
    • H01M4/00
    • H01M4/38
    • A nickel-metal hydride battery that reduces the amount of cobalt and improves battery durability. The battery includes a negative electrode formed from an AB5 hydrogen-absorbing alloy. The alloy includes an A element composed of Misch metal and a B element mainly composed of nickel. The nickel in the B element is partially replaced by at least one further element including cobalt. The alloy is formed to satisfy at least the conditions of a mol ratio of the B element relative to the A element being 5.25 or greater, the amount of cobalt for 1 mol of the A element being 0.15 mol to 0.25 mol, and the alloy having a half-width ratio, which indicates the ratio of a peak half-width of a (002) plane relative to a peak half-width of a (200) plane, of 1.3 to 1.7.
    • 一种镍金属氢化物电池,其减少钴的量并改善电池耐久性。 电池包括由AB5吸氢合金形成的负极。 该合金包括由Misch金属构成的A元素和主要由镍构成的B元素。 B元素中的镍部分地被至少一种包括钴的元素替代。 该合金的形成至少满足B元素相对于A元素的摩尔比为5.25以上的条件,A元素的1摩尔的量为0.15摩尔〜0.25摩尔,合金具有 表示(002)面的峰值半宽相对于(200)面的峰值半峰宽的比例为1.3〜1.7的半宽比。
    • 10. 发明授权
    • Method for estimating state of charge of a rechargeable battery
    • 用于估计可再充电电池的充电状态的方法
    • US08000915B2
    • 2011-08-16
    • US12426580
    • 2009-04-20
    • Tatsuya FurukawaNaoto Sato
    • Tatsuya FurukawaNaoto Sato
    • G01R31/36
    • G01R31/362
    • An apparatus for accurately estimating the SOC of a rechargeable battery installed in a hybrid electric vehicle. A voltage variation measurement unit measures terminal voltage variation amount of the rechargeable battery in a no-battery-current state in which a charge-discharge current does not flow in the rechargeable battery. A polarization voltage calculator calculates a polarization voltage from the measured variation amount. An electromotive force calculator subtracts the polarization voltage from a non-load voltage in a state in which a charge-discharge path is open to calculate the electromotive force of the rechargeable battery. An SOC estimator estimates the SOC of the rechargeable battery based on the electromotive force.
    • 一种用于精确估计安装在混合电动车辆中的可再充电电池的SOC的装置。 电压变化测量单元测量充电 - 放电电流在可充电电池中不流动的无电池电流状态下的可再充电电池的端子电压变化量。 极化电压计算器根据测量的变化量计算极化电压。 电动势计算器在充电 - 放电路径打开的状态下从非负载电压中减去极化电压,以计算可再充电电池的电动势。 SOC估计器基于电动势来估计可再充电电池的SOC。