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    • 102. 发明申请
    • NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
    • 非电解电解质二次电池
    • US20100221604A1
    • 2010-09-02
    • US12710036
    • 2010-02-22
    • Shinya WakitaMasayuki IharaMasanori SomaIzaya Okae
    • Shinya WakitaMasayuki IharaMasanori SomaIzaya Okae
    • H01M6/14
    • H01M10/052H01M4/366H01M4/5825H01M10/0566H01M10/0567H01M2004/028H01M2300/0045H01M2300/0091
    • A nonaqueous electrolyte secondary battery includes a positive electrode having a positive electrode active material layer provided on a positive electrode collector, a negative electrode having a negative electrode active material layer provided on a negative electrode collector, and a nonaqueous electrolyte. The nonaqueous electrolyte contains at least one member selected from the group consisting of sulfone compounds represented by the following formulae (1) and (2); and an inorganic phosphorus compound represented by the following formula (3) exists on the surface of a positive electrode active material: R1 represents CmH2m-n1Xn2; X represents a halogen; m represents an integer of from 2 to 7; each of n1 and n2 independently represents an integer of from 0 to 2m; R2 represents CjH2j-k1Zk2; Z represents a halogen; j represents an integer of from 2 to 7; each of k1 and k2 independently represents an integer of from 0 to 2j; each of R3, R4 and R5 independently represents H or OH; and a is 0 or 1.
    • 非水电解质二次电池包括具有设置在正极集电体上的正极活性物质层的正极和设置在负极集电体上的负极活性物质层的负极和非水电解质。 非水电解质含有选自由下式(1)和(2)表示的砜化合物中的至少一种; 和由下式(3)表示的无机磷化合物存在于正极活性物质的表面上:R1表示CmH2m-n1Xn2; X表示卤素; m表示2〜7的整数, n1和n2各自独立地表示0〜2m的整数; R2表示CjH2j-k1Zk2; Z表示卤素; j表示2〜7的整数, k1和k2各自独立地表示0〜2j的整数, R 3,R 4和R 5各自独立地表示H或OH; a是0或1。