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    • 8. 发明授权
    • Battery module including electrochemical cell with pressure relief feature
    • 电池模块包括具有减压功能的电化学电池
    • US07871719B2
    • 2011-01-18
    • US12252008
    • 2008-10-15
    • Gary P. Houchin-MillerDale B. TresterSteven J. Wood
    • Gary P. Houchin-MillerDale B. TresterSteven J. Wood
    • H01M2/12
    • H01M2/1241H01M2/022H01M2/023H01M2/34H01M2/345
    • A battery module includes at least one electrochemical cell. The electrochemical cell includes a first terminal conductively coupled to a first electrode and a body portion configured to function as a second terminal and conductively coupled to a second electrode via a pressure relief portion. The battery module further includes an end cap comprising a conductive portion and an insulating portion, the conductive portion being conductively coupled to the body portion. The pressure relief portion is configured to separate from the body portion to a deployed position when a pressure within the body portion reaches a first predetermined level, thereby substantially breaking the conductive coupling between the body portion and the second electrode. The insulating portion substantially prevents formation of a conductive coupling between the body portion and the second electrode when the pressure relief portion is in the deployed position.
    • 电池模块包括至少一个电化学电池。 电化学电池包括导电耦合到第一电极的第一端子和构造成用作第二端子并且经由压力释放部分导电耦合到第二电极的主体部分。 电池模块还包括端帽,其包括导电部分和绝缘部分,导电部分导电地耦合到主体部分。 压力释放部分被构造成当主体部分内的压力达到第一预定水平时从主体部分分离到展开位置,从而基本上破坏主体部分和第二电极之间的导电联接。 当压力释放部分处于展开位置时,绝缘部分基本上防止在主体部分和第二电极之间形成导电耦合。