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    • 36. 发明授权
    • Secondary batteries using room-temperature molten non-aqueous
electrolytes containing 1,2,3-trialkylimidazolium halides or
1,3-dialkylimidazolium halide
    • 使用含有1,2,3-三烷基咪唑鎓卤化物或1,3-二烷基咪唑鎓卤化物的室温熔融非水电解质的二次电池
    • US4463071A
    • 1984-07-31
    • US556496
    • 1983-11-30
    • Paul R. GiffordLawrence W. ShackletteJames E. TothJames F. Wolf
    • Paul R. GiffordLawrence W. ShackletteJames E. TothJames F. Wolf
    • H01M4/36H01M4/60H01M6/14H01M10/36
    • H01M6/14H01M10/36H01M4/36H01M4/60
    • Batteries and especially secondary batteries employing selected anodes and cathodes such as conjugated backbone polymers and transition metal chalcogenides inserted with alkali metal cations (especially lithium) and molten, non-aqueous electrolyte compositions containing admixture of aluminum halide and at least one of 1,2,3-trialkylimidazolium halide and 1,3-dialkylimidazolium halide having the formulae TimX and DimX, respectively: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, and R.sub.5 are independently alkyl groups of 1 to 12 carbons and X is independently halide, e.g., chloride and bromide and in some instances an alkali metal and/or tetraalkylammonium salt which may also be incorporated into the electrolyte composition are disclosed. The molar ratio of aluminum to trialkylimidazolium or to dialkylimidazolium in the electrolyte, may be varied over a wide range so as to make the molten electrolyte composition basic or neutral and as such the electrolyte is useful in batteries, especially secondary batteries comprising anodes of reduced conjugated backbone polymers or lithiated transition-metal chalcogenides such as Li.sub.x WO.sub.2 and a variety of cathodes such as oxidized conjugated backbone polymers or lithiated transition-metal chalcogenides such as Li.sub.x CoO.sub.2.
    • 电池,特别是使用插入有碱金属阳离子(特别是锂)的共轭主链聚合物和过渡金属硫族化合物的选定阳极和阴极以及阴极,其包含铝卤化物和至少一种1,2的混合物的熔融的非水电解质组合物, 3-三烷基咪唑鎓卤化物和具有式TimX和DimX的1,3-二烷基咪唑鎓卤化物:其中R 1,R 2,R 3,R 4和R 5独立地为1至12个碳的烷基,X独立地为卤素,例如 ,氯化物和溴化物,并且在一些情况下,还可以并入电解质组合物中的碱金属和/或四烷基铵盐。 电解质中铝与三烷基咪唑或二烷基咪唑的摩尔比可以在很宽的范围内变化,以使熔融电解质组合物成为碱性或中性,因此电解质可用于电池,尤其是包含还原共轭阳极的二次电池 骨架聚合物或锂化过渡金属硫族化物如LixWO2和各种阴极如氧化共轭主链聚合物或锂化过渡金属硫族化物如LixCoO2。