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    • 3. 发明授权
    • Polymer electrolyte material for use in lithium and lithium ion batteries
    • 用于锂离子和锂离子电池的聚合物电解质材料
    • US5874185A
    • 1999-02-23
    • US900209
    • 1997-07-24
    • Yung-Yun WangChi-Chao WanHsi-Yueh Sung
    • Yung-Yun WangChi-Chao WanHsi-Yueh Sung
    • H01M10/052H01M10/0565H01M10/40H01M10/36
    • H01M10/052H01M10/0565
    • A polymer electrolyte for use in lithium batteries is disclosed. It contains: (a) a poly(vinyl chloride-co-vinyl acetate), or PVCAC, which is a copolymer containing 5 to 25 mol % of a vinyl chloride monomer, and 75 to 95 mol % of a vinyl acetate monomer; (b) a lithium salt; and (c) an organic solvent mixture. The organic solvent mixture contains at least one component selected from the group consisting of EC and PC and a high-boiling-point organic solvent. Preferably, the amount of the PVCAC is about 16-40 mol % of the polymer electrolyte, lithium about 3-12 mol %, and the organic solvent mixture about 48-81 mol %, when the polymer electrolyte was freshly prepared. Preferrably, the high-boiling-point is DMF or NMP. Within the organic solvent mixture, if DMF is used, it should preferably be about 20-60 mol % of the total organic solvent mixture. If NMP is used, it should preferably be about 10-40 mol % of the total organic solvent mixture.
    • 公开了一种用于锂电池的聚合物电解质。 它包含:(a)聚(氯乙烯 - 共 - 乙酸乙烯酯)或PVCAC,它是含有5至25mol%的氯乙烯单体的共聚物和75至95mol%的乙酸乙烯酯单体; (b)锂盐; 和(c)有机溶剂混合物。 有机溶剂混合物含有至少一种选自EC和PC的组分和高沸点有机溶剂。 优选地,当新鲜制备聚合物电解质时,PVCAC的量为聚合物电解质的约16-40摩尔%,锂约3-12摩尔%,有机溶剂混合物约为48-81摩尔%。 优选的是高沸点是DMF或N​​MP。 在有机溶剂混合物中,如果使用DMF,则应优选为总有机溶剂混合物的约20-60摩尔%。 如果使用NMP,则应优选为总有机溶剂混合物的约10-40摩尔%。