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    • 3. 发明授权
    • Alkali metal cell having main and alternate electrodes
    • 碱金属电池具有主电极和交替电极
    • US5624767A
    • 1997-04-29
    • US472811
    • 1995-06-07
    • Barry C. MuffolettoNeal N. NesselbeckRodney E. Stringham
    • Barry C. MuffolettoNeal N. NesselbeckRodney E. Stringham
    • H01M2/20H01M4/13H01M4/70H01M6/14H01M6/50H01M16/00H01M14/00H01M12/00
    • H01M4/13H01M6/14H01M6/5055H01M16/00H01M2/20H01M4/70H01M6/5016
    • An electrochemical cell including an alkali metal anode and a cathode, one of the anode or cathode being connected to a structure for making electrical connection from a load to the cell, the other of the anode or cathode having main and alternate portions, a main terminal connected to the main anode or cathode portion for making electrical connection between a load and the cell, and an alternate terminal connected to the alternate anode or cathode portion for making electrical connection between a load and the cell, so that the main anode or cathode portion first is discharged with the alternate portion held in reserve, whereupon when the main portion reaches end of life the alternate anode or cathode portion is discharged. The main and alternate anode or cathode portions are insulated from each other, and the anode preferably is of lithium. There is also provided a voltage responsive switch means in combination with the cell and connected electrically between a load and the main and alternate terminals for connecting the main terminal initially to the load and then disconnecting the main terminal and connecting the alternate terminal to the load when the main portion reaches end of life. The cell can be provided with a casing of electrically conductive material with one of the anode or cathode being connected to the casing for making electrical connection to the load through the casing.
    • 一种包括碱金属阳极和阴极的电化学电池,所述阳极或阴极中的一个连接到用于从负载到所述电池的电连接的结构,所述阳极或阴极中的另一个具有主要和交替部分,主端子 连接到主阳极或阴极部分,用于在负载和电池之间进行电连接,以及连接到交替阳极或阴极部分的交替端子,用于在负载和电池之间进行电连接,使得主阳极或阴极部分 首先以保留的备用部分排出,从而当主要部分到达寿命结束时,交替的阳极或阴极部分被排出。 主要和替代的阳极或阴极部分彼此绝缘,并且阳极优选为锂。 还提供了电压响应开关装置,与电池组合并且在负载和主和替代端子之间电连接,用于将主端子最初连接到负载,然后断开主端子并将替代端子连接到负载,当 主要部分到达终身。 电池可以设置有导电材料的壳体,阳极或阴极中的一个连接到壳体,用于通过壳体与负载电连接。