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    • 34. 发明授权
    • Nonaqueous electrolyte secondary battery
    • 非水电解质二次电池
    • US08399127B2
    • 2013-03-19
    • US12034441
    • 2008-02-20
    • Masaki DeguchiTooru MatsuiHiroshi Yoshizawa
    • Masaki DeguchiTooru MatsuiHiroshi Yoshizawa
    • H01M10/40H01M10/02
    • H01M6/168H01M2/166H01M10/0525H01M10/0567H01M10/4235
    • A nonaqueous electrolyte secondary battery, comprising a positive electrode having a positive-electrode active material layer reversibly inserting and extracting lithium ions on a positive-electrode current collector, a negative electrode having a negative-electrode active material layer reversibly inserting and extracting lithium ions on a negative-electrode current collector, and a nonaqueous electrolyte solution, wherein at least one of the positive and negative electrodes has a film on the surface and at least one of the positive electrode, the negative electrode and the nonaqueous electrolyte solution contains a nitrogen-containing cyclic compound. Such a nonaqueous electrolyte secondary battery is superior in high-temperature storage stability allowing preservation of favorable discharge rate even after high-temperature storage.
    • 一种非水电解质二次电池,其特征在于,具有将正极活性物质层在正极集电体上可逆地插入和提取锂离子的正极,具有负极活性物质层的负极可逆地插入并提取锂离子 负极集电体和非水电解液,其中正极和负极中的至少一个在表面具有膜,并且正极,负极和非水电解质溶液中的至少一个含有氮 - 含有环状化合物。 这样的非水电解质二次电池在高温保存稳定性方面优异,即使在高温保存后仍能保持良好的放电率。
    • 36. 发明授权
    • Nonaqueous electrolyte for electrochemical devices
    • 用于电化学装置的非水电解质
    • US07998615B2
    • 2011-08-16
    • US11033321
    • 2005-01-12
    • Tooru MatsuiMasaki DeguchiHiroshi Yoshizawa
    • Tooru MatsuiMasaki DeguchiHiroshi Yoshizawa
    • H01M10/0566H01M10/0567H01G9/038
    • H01M10/0569H01G11/58H01G11/62H01M10/0525H01M10/0567H01M2300/0025Y02E60/13
    • The present invention relates to a nonaqueous electrolyte for electrochemical devices, and to electric double-layer capacitor and secondary battery using the said nonaqueous electrolyte. The nonaqueous electrolyte according to the present invention comprises a room temperature molten salt and a fluorohydrocarbon. The nonaqueous electrolyte is flame resistant and can suppress the rise in its viscosity. Therefore, high quality electrochemical devices can be obtained by using the nonaqueous electrolyte. The electric double-layer capacitor according to the present invention comprises a pair of polarizable electrode plates, a separator interposed between the pair of electrode plates, and the inventive nonaqueous electrolyte. The secondary battery according to the present invention comprises a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a nonaqueous electrolyte, wherein the nonaqueous electrolyte comprises the inventive nonaqueous electrolyte, and further comprises a lithium salt and a cyclic carbonate.
    • 本发明涉及一种用于电化学装置的非水电解质,以及使用该非水电解质的双电层电容器和二次电池。 根据本发明的非水电解质包括室温熔融盐和氟代烃。 非水电解质是阻燃的并且可以抑制其粘度的上升。 因此,通过使用非水电解质可以获得高质量的电化学装置。 根据本发明的双电层电容器包括一对可极化电极板,插入在该对电极板之间的隔膜和本发明的非水电解质。 根据本发明的二次电池包括正极,负极,介于正极和负极之间的隔膜和非水电解质,其中非水电解质包括本发明的非水电解质,并且还包含锂盐 和环状碳酸酯。
    • 37. 发明授权
    • Non-aqueous electrolyte secondary battery
    • 非水电解质二次电池
    • US07879489B2
    • 2011-02-01
    • US11327406
    • 2006-01-09
    • Masaki DeguchiTooru MatsuiHiroshi Yoshizawa
    • Masaki DeguchiTooru MatsuiHiroshi Yoshizawa
    • H01M4/40H01M4/52H01M4/525H01M10/056
    • H01M10/0567H01M4/505H01M4/525H01M10/0525
    • To provide a high-capacity non-aqueous electrolyte secondary battery that exhibits satisfactory charge/discharge cycle characteristics even in a high temperature environment. The battery has: a positive electrode including a nickel-containing lithium composite oxide; a negative electrode capable of charging and discharging; a separator interposed between the positive and negative electrodes; and a non-aqueous electrolyte containing a non-aqueous solvent and a solute dissolved therein. The non-aqueous electrolyte contains a fluorine atom-containing aromatic compound. The nickel-containing lithium composite oxide is represented by, for example, LiNixM1-x-yLyO2 where element M is at least one selected from the group consisting of Co and Mn; element L is at least one selected from the group consisting of Al, Sr, Y, Zr, Ta, Mg, Ti, Zn, B, Ca, Cr, Si, Ga, Sn, P, V, Sb, Nb, Mo, W and Fe; and x and y satisfy 0.1≦x≦1 and 0≦y≦0.1.
    • 提供即使在高温环境下即使表现出令人满意的充放电循环特性的高容量非水电解质二次电池。 电池具有:包含含镍锂复合氧化物的正极; 能够充放电的负极; 插入在正极和负极之间的隔膜; 以及含有溶解于其中的非水溶剂和溶质的非水电解质。 非水电解质含有含氟原子的芳香族化合物。 含镍锂复合氧化物由例如LiNixM1-x-yLyO2表示,其中元素M为选自Co和Mn中的至少一种; 元素L为选自Al,Sr,Y,Zr,Ta,Mg,Ti,Zn,B,Ca,Cr,Si,Ga,Sn,P,V,Sb,Nb,Mo, W和Fe; x和y满足0.1≦̸ x≦̸ 1和0≦̸ y≦̸ 0.1。