Nonaqueous electrolyte solution and electrochemical element using same
    1.
    发明授权
    Nonaqueous electrolyte solution and electrochemical element using same 有权
    非水电解液和电化学元素使用相同

    公开(公告)号:US09240614B2

    公开(公告)日:2016-01-19

    申请号:US13701193

    申请日:2011-06-03

    摘要: The present invention provides a nonaqueous electrolytic solution which can improve the electrochemical characteristics in a broad temperature range, an electrochemical element produced by using the same and a sulfonic ester compound having a branched structure which is used for the same.The present invention relates to a nonaqueous electrolytic solution prepared by dissolving an electrolyte salt in a nonaqueous solvent, which comprises a sulfonic ester compound represented by the following Formula (I) in an amount of 0.001 to 5% by mass of the nonaqueous electrolytic solution: (wherein R represents an alkyl group or an aryl group; A represents a >CH group or a >SiZ group (Z represents an alkyl group or an aryl group); X represents an alkyl group, a cycloalkyl group or an aryl group; Y represents a cycloalkyl group, a -L1CHRaOSO2Rb group or a —Si(Rc)(Rd)OSO2Rb group; W represents 1 or 2; Ra represents an alkyl group; Rb, Rc and Rd represent an alkyl group or an aryl group; L1 represents an alkylene group in which at least one hydrogen atom may be substituted with —OSO2Re (Re has the same meaning as that of R), a divalent linkage group containing at least one ether bond or a single bond).

    摘要翻译: 本发明提供一种可以提高宽温度范围内的电化学特性的非水电解液,使用该电解质的电化学元件和具有分支结构的磺酸酯化合物。 本发明涉及通过将电解质盐溶解在非水溶剂中而制备的非水电解液,该非水溶剂包含以下式(I)表示的磺酸酯化合物:非水电解液的0.001〜5质量% (其中R表示烷基或芳基; A表示> CH基或> SiZ基(Z表示烷基或芳基); X表示烷基,环烷基或芳基; Y 表示环烷基,-L1CHRaOSO2Rb基或-Si(Rc)(Rd)OSO2Rb基; W表示1或2; Ra表示烷基; Rb,Rc和Rd表示烷基或芳基; L1表示 其中至少一个氢原子可以被-OSO 2 Re取代的亚烷基(Re具有与R相同的含义),含有至少一个醚键或单键的二价连接基团)。

    Nonaqueous electrolyte solution and lithium secondary battery using same
    4.
    发明授权
    Nonaqueous electrolyte solution and lithium secondary battery using same 有权
    非水电解液和锂二次电池使用相同

    公开(公告)号:US08124273B2

    公开(公告)日:2012-02-28

    申请号:US12064337

    申请日:2006-08-11

    IPC分类号: H01M4/36

    摘要: The present invention provides a nonaqueous electrolytic solution exhibiting excellent electrical capacity, long-term cycle property, and storage property in a charged state; and a lithium secondary battery using the nonaqueous electrolytic solution.The nonaqueous electrolytic solution in which an electrolyte salt is dissolved in a nonaqueous solvent, comprises 0.001% to 5% by weight of a tin compound represented by the following general formula (I) and/or (II), on the basis of the weight of the nonaqueous electrolytic solution: R1R2R3Sn-MR4R5R6  (I) where R1 to R3 each represent a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, or an aryloxy group; R4 to R6 each represent a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an alkynyl group, or an aryl group; M represents Si or Ge; and SnX2  (II) where X represents β-diketonate.

    摘要翻译: 本发明提供一种在充电状态下显示出优异的电容,长期循环性能和储存性能的非水电解液。 以及使用非水电解液的锂二次电池。 其中电解质盐溶解在非水溶剂中的非水电解液包含0.001重量%至5重量%的由以下通式(I)和/或(II)表示的锡化合物,基于重量 的非水电解液:R1R2R3Sn-MR4R5R6(I)其中R1至R3各自表示氢原子,卤素原子,烷基,烯基,炔基,芳基或芳氧基; R4至R6各自表示氢原子,卤素原子,烷基,烯基,炔基或芳基; M表示Si或Ge; 和SnX2(II),其中X表示&bgr; - 酮。

    NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
    5.
    发明申请
    NONAQUEOUS ELECTROLYTE SECONDARY BATTERY 审中-公开
    非电解电解质二次电池

    公开(公告)号:US20110223489A1

    公开(公告)日:2011-09-15

    申请号:US13042552

    申请日:2011-03-08

    IPC分类号: H01M10/056

    摘要: A positive electrode active material of a nonaqueous electrolyte secondary battery is composed of lithium-cobalt composite oxide containing at least one of zirconium, titanium, aluminum, and erbium, and the nonaqueous electrolyte includes an additive expressed by General Formula (1) having an acetylene group and a methylsulfonyl group at each end of the molecule. It has the effect of forming an SEI surface film as with the case of VC or the like, as well as having a higher oxidation resistance than that of VC or the like. Thus the nonaqueous electrolyte secondary battery employing as positive electrode active material a lithium-cobalt composite oxide with a particular dissimilar metallic element added, in which decomposition of the nonaqueous electrolytic solution during storage at high temperature in a charged state is suppressed, and there is little battery swelling is provided.

    摘要翻译: 非水电解质二次电池的正极活性物质由含有锆,钛,铝,铒中的至少一种的锂钴复合氧化物构成,非水电解质含有通式(1)表示的添加剂,其具有乙炔 基团和分子的每个末端的甲基磺酰基。 与VC等的情况相同,具有形成SEI表面膜的效果,并且具有比VC等更高的抗氧化性。 因此,作为正极活性物质使用添加了特定的异种金属元素的锂 - 钴复合氧化物的非水电解质二次电池,其中抑制了在高温下在充电状态下储存期间非水电解液的分解,并且几乎没有 提供电池膨胀。

    Nonaqueous electrolyte solution and lithium secondary battery using same
    6.
    发明授权
    Nonaqueous electrolyte solution and lithium secondary battery using same 有权
    非水电解液和锂二次电池使用相同

    公开(公告)号:US07985502B2

    公开(公告)日:2011-07-26

    申请号:US10592702

    申请日:2005-03-18

    IPC分类号: H01M6/04

    摘要: The present invention provides a lithium secondary battery having excellent battery characteristics such as battery cycling property, electrical capacity and storage property.The present invention relates to a nonaqueous electrolytic solution for lithium secondary batteries in which an electrolyte salt is dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution comprising a formic ester compound having a specific structure in an amount of 0.01 to 10% by weight of the nonaqueous electrolytic solution, and a lithium secondary battery using the same.

    摘要翻译: 本发明提供具有优异的电池特性如锂电池循环特性,电容量和储存性能的锂二次电池。 本发明涉及一种锂二次电池的非水电解液,其中电解质盐溶解在非水溶剂中,该非水电解液包含具有特定结构的甲酸酯化合物,其量为0.01-10重量% 非水电解液和使用其的锂二次电池。

    Lithium secondary battery and non-aqueous electrolytic solution
    7.
    发明授权
    Lithium secondary battery and non-aqueous electrolytic solution 有权
    锂二次电池和非水电解液

    公开(公告)号:US07981552B2

    公开(公告)日:2011-07-19

    申请号:US11948617

    申请日:2007-11-30

    IPC分类号: H01M6/16 H01M4/58

    摘要: The sudden generation of heat being frequently caused in the case of the overcharge of a lithium secondary cell which have a positive electrode comprising a composite metal oxide of lithium and cobalt or a composite metal oxide of lithium and nickel, a negative electrode comprising metallic lithium, a lithium alloy or a material capable of occluding and releasing lithium, and a nonaqueous electrolyte solution comprising a nonaqueous solvent and an electrolyte dissolved therein can be efficiently prevented by the addition, to the nonaqueous electrolyte solution, of an organic compound which, when the lithium secondary cell is overcharged, decomposes into a decomposition product capable of dissolving out the cobalt or nickel contained in the positive electrode and depositing it ion the negative electrode (for example, a tert-alkylbenzene derivative).

    摘要翻译: 在具有包含锂和钴的复合金属氧化物或锂或镍的复合金属氧化物的正极的锂二次电池的过充电的情况下,常常引起热的突然产生,包含金属锂的负极, 可以通过向非水电解液中添加有机化合物来有效地防止锂离子或能够吸留和释放锂的材料,以及非水溶剂和电解质溶解在其中的非水电解质溶液, 二次电池过充电,分解成能够溶解正极中所含的钴或镍的分解产物,并将其沉积在负极(例如,叔烷基苯衍生物)上。

    LITHIUM SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTIC SOLUTION
    10.
    发明申请
    LITHIUM SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTIC SOLUTION 有权
    锂二次电池和非水溶性电解液

    公开(公告)号:US20080254367A1

    公开(公告)日:2008-10-16

    申请号:US11948617

    申请日:2007-11-30

    IPC分类号: H01M4/00

    摘要: The sudden generation of heat being frequently caused in the case of the overcharge of a lithium secondary cell which have a positive electrode comprising a composite metal oxide of lithium and cobalt or a composite metal oxide of lithium and nickel, a negative electrode comprising metallic lithium, a lithium alloy or a material capable of occluding and releasing lithium, and a nonaqueous electrolyte solution comprising a nonaqueous solvent and an electrolyte dissolved therein can be efficiently prevented by the addition, to the nonaqueous electrolyte solution, of an organic compound which, when the lithium secondary cell is overcharged, decomposes into a decomposition product capable of dissolving out the cobalt or nickel contained in the positive electrode and depositing it ion the negative electrode (for example, a tert-alkylbenzene derivative).

    摘要翻译: 在具有包含锂和钴的复合金属氧化物或锂或镍的复合金属氧化物的正极的锂二次电池的过充电的情况下,常常引起热的突然产生,包含金属锂的负极, 可以通过向非水电解液中添加有机化合物来有效地防止锂离子或能够吸留和释放锂的材料,以及非水溶剂和电解质溶解在其中的非水电解质溶液, 二次电池过充电,分解成能够溶解正极中所含的钴或镍的分解产物,并将其沉积在负极(例如,叔烷基苯衍生物)上。