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    • 4. 发明授权
    • Multi-cell storage battery
    • 多节电池蓄电池
    • US6146783A
    • 2000-11-14
    • US82653
    • 1998-05-21
    • Thomas BrohmFriedhelm Bottcher
    • Thomas BrohmFriedhelm Bottcher
    • H01M2/10H01M10/052H01M10/50H01M6/42
    • H01M2/1094H01M10/052Y02E60/122
    • A multi-cell storage battery, in particular to a lithium storage battery, which contains a temperature control device and in which groups of one or more individual cells arranged alongside one another are separated from one another by a thermally insulating solid layer whose coefficient of thermal conductivity lies between 0.01 and 0.2 W/(m*K), the thermal resistance of the solid layer being greater by at least a factor .lambda. than the thermal resistance of the individual cell. The individual cell is connected, at least in a region free of insulating material, to a heat exchanger, the thermal resistance of the heat exchanger in the direction toward the neighboring cell being selected to be greater by at least a factor .lambda. than the thermal resistance of the individual cell and, in addition, the thermal resistance of the heat exchanger toward the temperature control medium being selected to be smaller by at least a factor of about 10 than the thermal resistance of the individual cell, and .lambda. being the ratio of the energy content of the individual cell to the amount of energy that is needed to trigger a thermally induced cell failure at a defined upper operating temperature limit.
    • 具有温度控制装置的多蓄电池蓄电池,特别涉及锂蓄电池,其中一个或多个单个电池组彼此分开排列的隔热固体层,其热系数为 导电率在0.01至0.2W /(m * K)之间,固体层的热阻比单个电池的热阻至少高一个因子λ。 至少在没有绝缘材料的区域中,单个电池被连接到热交换器,热交换器朝向相邻电池的方向的热阻被选择为大于热阻的至少一个因子λ 并且此外,热交换器朝向温度控制介质的热阻被选择为比单个电池的热阻更小至少约10倍,而λ是比例 单个电池的能量含量达到在限定的上限工作温度极限下触发热诱导电池故障所需的能量。