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    • 18. 发明授权
    • Organic lithium salt electrolytes having enhanced safety for rechargeable batteries and methods of making the same
    • 对可充电电池的安全性提高的有机锂盐电解质及其制造方法
    • US07534527B2
    • 2009-05-19
    • US10952481
    • 2004-09-29
    • Zhiqiang XuChi-Kyun ParkZhiwei ZhangChai Chul
    • Zhiqiang XuChi-Kyun ParkZhiwei ZhangChai Chul
    • H01M6/04H01M6/16
    • H01M10/0569H01M6/164H01M2300/0025H01M2300/0031H01M2300/0034
    • Organic lithium salts suitable for use in electrolytes for primary or secondary rechargeable batteries include de-localized bulky anions over Lewis acid fragments, typically BF3, and organic moieties. The organic moieties may be, for example, anions derived from fused nitrogen heterocycles (e.g. benzeneimidate, benzitriazolate and the like); multi carboxylates (e.g. oxalate, 1,2,4,5-benzenetetracarboxylate and the like), and pyromellitic diimidate. The organic lithium salts of the invention have the general formula: Liq[Org(MXn)m], in which Org represents the organic moieties and MXn represents an organic or inorganic boron, aluminum or phosphorous containing Lewis acid. The organic lithium salts are conveniently prepared by reacting an organic compound having at least one de-protonation group selected from NH, OH, SH or COOH with an inorganic or organic lithium compound to generate an organic lithium processor salt, and thereafter bringing the organic lithium processor salt into contact with an inorganic or organic Lewis acid to obtain the organic lithium product salt.
    • 适用于初级或次级可再充电电池的电解质的有机锂盐包括超过路易斯酸片段(通常为BF 3)和有机部分的脱定位的大阴离子。 有机部分可以是例如衍生自稠合氮杂环的阴离子(例如苯亚氨酸酯,苯并三唑酸酯等); 多羧酸盐(例如草酸盐,1,2,4,5-苯四羧酸盐等)和均苯四酸二亚胺酯。 本发明的有机锂盐具有通式:Liq [Org(MXn)m],其中Org表示有机部分,MXn表示有机或无机硼,含铝或含磷的路易斯酸。 通过使具有至少一个选自NH,OH,SH或COOH的脱质子基团的有机化合物与无机或有机锂化合物反应,生成有机锂处理剂盐,然后将有机锂盐 处理剂盐与无机或有机路易斯酸接触以获得有机锂产物盐。