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    • 10. 发明申请
    • COPPER-MANGANESE MIXED OXIDE CATHODE MATERIAL FOR USE IN ALKALINE CELLS HAVING HIGH CAPACITY
    • 用于具有高容量的碱性细胞的铜 - 锰锰氧化物阴极材料
    • US20080090138A1
    • 2008-04-17
    • US11843930
    • 2007-08-23
    • Viet VuErnest NdzebetAkshaya PadhiDeborah GilbertWilliam BushongKarthik RamaswamiJuergen Scherer
    • Viet VuErnest NdzebetAkshaya PadhiDeborah GilbertWilliam BushongKarthik RamaswamiJuergen Scherer
    • H01M2/16H01M4/48H01M4/50
    • H01M2/16H01M2/18H01M4/50H01M6/04
    • The present invention relates to a copper-manganese mixed oxide cathode material, which is suitable for use in a cathode of an electrochemical cell, and which has the formula MnxCuyOz,.nH2O, wherein the oxidation state of Cu is between about +1 and about +3, the oxidation state of Mn is between about +2 and about +7, x is equal to about 3−y, y is less than about 3, z is calculated or experimentally determined, using means known in the art, based on the values of x and y, as well as the oxidation states of Mn and Cu, and nH2O represents the surface and structural water present in the mixed oxide material. The present invention further relates to an electrochemical cell comprising an anode, a cathode, and a separator disposed between the anode and cathode, and an electrolyte in fluid communication with the anode, the cathode and the separator, wherein the cathode comprises the noted cathode material. The present invention still further relates to such an active cathode material, or an alternative cathode material, wherein the copper-manganese mixed oxide comprises a defect spinel-type structure, which is also suitable for use as a cathode component of an alkaline electrochemical cell.
    • 铜锰混合氧化物阴极材料本发明涉及一种适用于电化学电池阴极的铜锰混合氧化物阴极材料,其具有下式:Mn x Cu y O 2,其中Cu的氧化态在约+1和约+3之间,Mn的氧化态在约+2和约+ +7,x等于约3-y,y小于约3,使用本领域已知的方法,基于x和y的值以及Mn的氧化态计算或实验测定z Cu和nH 2 O表示混合氧化物材料中存在的表面和结构水。 本发明还涉及一种电化学电池,其包括阳极,阴极和设置在阳极和阴极之间的隔膜以及与阳极,阴极和隔板流体连通的电解质,其中阴极包括所述阴极材料 。 本发明还涉及这种活性阴极材料或替代的阴极材料,其中铜锰混合氧化物包括缺陷尖晶石型结构,其也适合用作碱性电化学电池的阴极组分。