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    • 22. 发明授权
    • Cell design for lithium alloy/metal sulfide battery
    • 锂合金/金属硫化物电池的电池设计
    • US4540642A
    • 1985-09-10
    • US595203
    • 1984-03-30
    • Thomas D. Kaun
    • Thomas D. Kaun
    • H01M2/20H01M4/76H01M10/39H01M2/14
    • H01M10/399H01M2/20H01M4/762
    • The disclosed lithium alloy/iron sulfide cell design provides loop-like positive and negative sheet metal current collectors electrically insulated from one another by separator means, the positive collector being located outwardly of the negative collector. The collectors are initially secured within an open-ended cell housing, which allows for collector pretesting for electrical shorts prior to adding any electrode materials and/or electrolyte to the cell. Separate chambers are defined outwardly of the positive collector and inwardly of the negative collector open respectively in opposite directions toward the open ends of the cell housing; and positive and negative electrode materials can be extruded into these respective chambers via the opposite open housing ends. The chambers and cell housing ends can then be sealed closed. A cross wall structurally reinforces the cell housing and also thereby defines two cavities, and paired positive and negative collectors are disposed in each cavity and electrically connected in parallel. The cell design provides for a high specific energy output and improved operating life in that any charge-discharge cycle swelling of the positive electrode material will be inwardly against only the positive collector to minimize shorts caused by the collectors shifting relative to one another.
    • 所公开的锂合金/硫化铁电池设计提供了通过分离器装置彼此电绝缘的环状正片和负片金属片集电体,正极集电体位于负极集电体的外侧。 收集器最初被固定在开放式电池壳体内,其允许在将任何电极材料和/或电解质添加到电池之前进行电短路的集电极预测试。 分离的室被限定在正极集电器的外侧,负极集电体的内部分别朝向电池壳的开口端的相反方向开口; 并且正极和负极材料可以经由相对的敞开的壳体端部挤出到这些相应的室中。 然后将腔室和电池壳体端部密封封闭。 横壁在结构上加强了电池壳体,并且由此限定了两个空腔,并且成对的正极集电体和负极集电体设置在每个空腔中并且电连接。 电池设计提供高比能量输出和改善的使用寿命,因为正电极材料的任何充放电循环膨胀将仅向内抵靠正极集电器,以最小化集电器相对于彼此移动引起的短路。