ELECTROCHEMICAL DEVICE AND NONAQUEOUS ELECTROLYTE SOLUTION FOR ELECTROCHEMCIAL DEVICE
    5.
    发明申请
    ELECTROCHEMICAL DEVICE AND NONAQUEOUS ELECTROLYTE SOLUTION FOR ELECTROCHEMCIAL DEVICE 有权
    电化学装置和非电解电解质溶液

    公开(公告)号:US20140023938A1

    公开(公告)日:2014-01-23

    申请号:US14008356

    申请日:2012-03-30

    IPC分类号: H01M10/0569 H01M10/0525

    摘要: The present invention aims to provide an electrochemical device excellent in high temperature storage characteristics and cycling characteristics at high voltages, and a nonaqueous electrolyte for the electrochemical device. The present invention relates to an electrochemical device including: a positive electrode; a negative electrode; and a nonaqueous electrolyte containing a nonaqueous solvent and an electrolyte salt, wherein the nonaqueous solvent contains a fluorinated linear carbonate represented by the formula (1): RfOCOOR  (1) (wherein Rf represents a C1-4 fluorinated alkyl group and R represents a C1-4 alkyl group), and further contains following compounds of (I) to (III) in a total amount of not more than 5000 ppm relative to the fluorinated linear carbonate: (I) a compound represented by the formula (2) RfOH  (2) (wherein Rf is defined as above); (II) a compound represented by the formula (3) ROH  (3) (wherein R is defined as above); and (III) a compound represented by the formula (4) ROCOCl  (4) (wherein R is defined as above).

    摘要翻译: 本发明的目的在于提供高电压下的高温保存特性和循环特性优异的电化学装置,以及用于电化学装置的非水电解质。 本发明涉及一种电化学装置,包括:正极; 负极; 和含有非水溶剂和电解质盐的非水电解液,其中非水溶剂含有式(1)表示的氟化线性碳酸酯:RfOCOOR(1)(其中Rf表示C1-4氟化烷基,R表示C1 -4-烷基),并且相对于氟化线性碳酸酯,还含有以下化合物(I)至(III)的总量不超过5000ppm:(I)由式(2)表示的化合物RfOH( 2)(其中Rf定义如上); (II)由式(3)表示的化合物ROH(3)(其中R如上定义); 和(III)由式(4)表示的化合物ROCOCl(4)(其中R如上所定义)。

    LITHIUM ION SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE FOR LITHIUM ION SECONDARY BATTERY
    6.
    发明申请
    LITHIUM ION SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE FOR LITHIUM ION SECONDARY BATTERY 审中-公开
    锂离子二次电池和非电解电解质锂离子二次电池

    公开(公告)号:US20140017560A1

    公开(公告)日:2014-01-16

    申请号:US14008285

    申请日:2012-03-29

    IPC分类号: H01M10/0564

    摘要: The present invention provides a lithium ion secondary cell excellent in high-temperature storage characteristics and high voltage cycle characteristics; and a nonaqueous electrolyte for the cell.The present invention relates to a lithium ion secondary cell, comprising a positive electrode, a negative electrode, and a nonaqueous electrolyte containing nonaqueous solvents and an electrolyte salt, the nonaqueous solvents comprising a fluorine-containing ether represented by the formula (1): Rf1—O—Rf2  (1) wherein Rf1 and Rf2 are the same as or different from each other, each being a C1-10 alkyl group or a C1-10 fluoroalkyl group; and at least one of Rf1 and Rf2 is a fluoroalkyl group, and the following compounds (I) and (II): (I) a fluorine-containing unsaturated compound; and (II) a hydroxy group-containing compound represented by the formula (2): Rf1OH  (2) wherein Rf1 is the same as above, and the nonaqueous solvents comprising the compounds (I) and (II) in a total amount of 5000 ppm or less for the fluorine-containing ether.

    摘要翻译: 本发明提供高温保存特性和高电压循环特性优异的锂离子二次电池, 和用于电池的非水电解质。 锂离子二次电池本发明涉及一种锂离子二次电池,其包含正极,负极和含有非水溶剂和电解质盐的非水电解质,所述非水溶剂包含由式(1)表示的含氟醚:Rf1 -O-Rf2(1)其中Rf1和Rf2彼此相同或不同,各自为C1-10烷基或C1-10氟代烷基; Rf1和Rf2中的至少一个为氟代烷基,以下化合物(I)和(II):(I)含氟不饱和化合物; 和(II)式(2)表示的含羟基的化合物:Rf1OH(2)其中Rf1与上述相同,并且包含化合物(I)和(II)的非水溶剂的总量为5000 ppm以下的含氟醚。

    Solvent for nonaqueous electrolyte solution of lithium secondary battery
    9.
    发明授权
    Solvent for nonaqueous electrolyte solution of lithium secondary battery 有权
    锂二次电池非水电解液溶剂

    公开(公告)号:US09070951B2

    公开(公告)日:2015-06-30

    申请号:US13496971

    申请日:2010-09-17

    摘要: The present invention provides a solvent for a nonaqueous electrolyte solution enabling a lithium secondary battery to exhibit an excellent discharge capacity, load characteristics, and cycle characteristics even under high voltages, as well as a nonaqueous electrolyte solution that uses this solvent and a lithium secondary battery. This solvent for a nonaqueous electrolyte solution is a solvent for a nonaqueous electrolyte solution for a lithium secondary battery, wherein the solvent for a nonaqueous electrolyte solution contains a fluorine-free cyclic carbonate (I), a fluorine-free chain carbonate (II), and a 1,1-di(fluorinated alkyl)ethylene carbonate (III), and wherein with a sum of (I), (II), and (III) being 100 volume %, the fluorine-free cyclic carbonate (I) is 10 to 50 volume %, the fluorine-free chain carbonate (II) is 49.9 to 89.9 volume %, and the 1,1-di(fluorinated alkyl)ethylene carbonate (III) is from at least 0.1 volume % to not more than 30 volume %.

    摘要翻译: 本发明提供一种非水电解液的溶剂,其能够使锂二次电池即使在高电压下也显示优异的放电容量,负载特性和循环特性,以及使用该溶剂的非水电解质溶液和锂二次电池 。 该非水电解液用溶剂是锂二次电池用非水电解液的溶剂,其中,非水电解液的溶剂含有无氟环状碳酸酯(I),无碳链碳酸酯(II), 和(I),(II)和(III)之和为100体积%的无水环状碳酸酯(I)为1〜2(氟化烷基)碳酸亚乙酯(III) 10〜50体积%,无碳链碳酸酯(II)为49.9〜89.9体积%,1,1-二(氟化烷基)碳酸亚乙酯(III)为0.1体积%以上30以下 体积%。

    SOLVENT FOR NONAQUEOUS ELECTROLYTE SOLUTION OF LITHIUM SECONDARY BATTERY
    10.
    发明申请
    SOLVENT FOR NONAQUEOUS ELECTROLYTE SOLUTION OF LITHIUM SECONDARY BATTERY 有权
    锂二次电池非电解电解液溶剂

    公开(公告)号:US20120183867A1

    公开(公告)日:2012-07-19

    申请号:US13496971

    申请日:2010-09-17

    IPC分类号: H01M10/0569

    摘要: The present invention provides a solvent for a nonaqueous electrolyte solution enabling a lithium secondary battery to exhibit an excellent discharge capacity, load characteristics, and cycle characteristics even under high voltages, as well as a nonaqueous electrolyte solution that uses this solvent and a lithium secondary battery. This solvent for a nonaqueous electrolyte solution is a solvent for a nonaqueous electrolyte solution for a lithium secondary battery, wherein the solvent for a nonaqueous electrolyte solution contains a fluorine-free cyclic carbonate (I), a fluorine-free chain carbonate (II), and a 1,1-di(fluorinated alkyl)ethylene carbonate (III), and wherein with a sum of (I), (II), and (III) being 100 volume %, the fluorine-free cyclic carbonate (I) is 10 to 50 volume %, the fluorine-free chain carbonate (II) is 49.9 to 89.9 volume %, and the 1,1-di(fluorinated alkyl)ethylene carbonate (III) is from at least 0.1 volume % to not more than 30 volume %.

    摘要翻译: 本发明提供一种非水电解液的溶剂,其能够使锂二次电池即使在高电压下也显示优异的放电容量,负载特性和循环特性,以及使用该溶剂的非水电解质溶液和锂二次电池 。 该非水电解液用溶剂是锂二次电池用非水电解液的溶剂,其中,非水电解液的溶剂含有无氟环状碳酸酯(I),无氟碳酸链(II), 和(I),(II)和(III)之和为100体积%的无水环状碳酸酯(I)为1〜2(氟化烷基)碳酸亚乙酯(III) 10〜50体积%,无碳链碳酸酯(II)为49.9〜89.9体积%,1,1-二(氟化烷基)碳酸亚乙酯(III)为0.1体积%以上30以下 体积%。