RECHARGEABLE LITHIUM SULFUR AND/OR SELENIUM BATTERY

    公开(公告)号:US20220123312A1

    公开(公告)日:2022-04-21

    申请号:US17477828

    申请日:2021-09-17

    摘要: An electrochemical device includes a cathode comprising a first cathode component of lithium and SexSy; and a second cathode component of an alkali metal and/or alkaline earth metal sulfur and/or selenide, different from the first cathode component; an initial discharge product of a polyselenide and/or polysulfide anion charge compensated by an alkali metal and/or alkaline earth metal cation; an anode; a porous separator; and a non-aqueous electrolyte with one or more lithium salts, and one or more solvents; wherein the electrochemical device is a lithium sulfur and/or lithium selenide battery.

    Non-aqueous electrolyte for lithium-ion battery
    8.
    发明授权
    Non-aqueous electrolyte for lithium-ion battery 有权
    用于锂离子电池的非水电解质

    公开(公告)号:US09246187B2

    公开(公告)日:2016-01-26

    申请号:US13803725

    申请日:2013-03-14

    摘要: A substantially non-aqueous electrolyte solution includes an alkali metal salt, a polar aprotic solvent, and an organophosphorus compound of Formula IA, IB, or IC: where R1, R2, R3 and R4 are each independently hydrogen, halogen, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heterocyclyl, heteroaryl, alkoxy, alkenoxy, alkynoxy, cycloalkoxy, aryloxy, heterocyclyloxy, heteroaryloxy, siloxyl, silyl, or organophosphatyl; R5 and R6 are each independently alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heterocyclyl, or heteroaryl; R7 is and R8, R9 and R10 are each independently alkyl, cycloalkyl, aryl, heterocyclyl, or heteroaryl; provided that if the organophosphorus compound is of Formula IB, then at least one of R5, and R6 are other than hydrogen, alkyl, or alkenyl; and if the organophosphorus compound is of Formula IC, then the electrolyte solution does not include 4-methylene-1,3-dioxolan-2-one or 4,5-dimethylene-1,3-dioxolan-2-one.

    摘要翻译: 基本上非水电解质溶液包括碱金属盐,极性非质子溶剂和式IA,IB或IC的有机磷化合物:其中R 1,R 2,R 3和R 4各自独立地为氢,卤素,烷基,烯基, 炔基,环烷基,芳基,杂环基,杂芳基,烷氧基,烯氧基,炔氧基,环烷氧基,芳氧基,杂环氧基,杂芳氧基,硅氧基,甲硅烷基或有机磷酰基; R 5和R 6各自独立地为烷基,烯基,炔基,环烷基,芳基,杂环基或杂芳基; R 7和R 8,R 9和R 10各自独立地为烷基,环烷基,芳基,杂环基或杂芳基; 条件是如果有机磷化合物为式IB,则R5和R6中的至少一个不是氢,烷基或烯基; 如果有机磷化合物为式IC,则电解质溶液不包括4-亚甲基-1,3-二氧戊环-2-酮或4,5-二甲基-1,3-二氧戊环-2-酮。