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    Solvent including 1,2-dialkyl-1,2-difluoroethylene carbonate for non-aqueous electrolytic solution of lithium secondary battery
    1.
    发明授权
    Solvent including 1,2-dialkyl-1,2-difluoroethylene carbonate for non-aqueous electrolytic solution of lithium secondary battery 有权
    包括1,2-二烷基-1,2-二氟亚乙基碳酸酯的溶剂，用于锂二次电池的非水电解液

    公开(公告)号：US09240616B2

    公开(公告)日：2016-01-19

    申请号：US12864926

    申请日：2009-01-22

    申请人： Meiten Koh ,  Hideo Sakata ,  Hitomi Nakazawa ,  Akiyoshi Yamauchi ,  Akinori Tani

    发明人： Meiten Koh ,  Hideo Sakata ,  Hitomi Nakazawa ,  Akiyoshi Yamauchi ,  Akinori Tani

    IPC分类号： H01M10/0569 ,  H01M10/0525

    CPC分类号： H01M10/0569 ,  H01M10/0525 ,  Y02E60/122 ,  Y02T10/7011

    摘要： A solvent for non-aqueous electrolytic solution of lithium secondary battery including a non-fluorine-containing cyclic carbonate (I), a non-fluorine-containing chain carbonate (II) and 1,2-dialkyl-1,2-difluoroethylene carbonate (III). When the total amount of (I), (II) and (III) is taken as 100% by volume, the non-fluorine-containing cyclic carbonate (I) is contained in an amount of 10 to 50% by volume, the non-fluorine-containing chain carbonate (II) is contained in an amount of 49.9 to 89.9% by volume and the 1,2-dialkyl-1,2-difluoroethylene carbonate (III) is contained in an amount of not less than 0.1% by volume and less than 30% by volume. A non-aqueous electrolytic solution including the above-mentioned solvent and a lithium secondary battery using the non-aqueous electrolytic solution are also disclosed.

    摘要翻译： 一种包含非含氟环状碳酸酯（I），不含氟链状碳酸酯（II）和1,2-二烷基-1,2-二氟亚乙基碳酸酯（II）的锂二次电池的非水电解液的溶剂 III）。 当（I），（II）和（III）的总量为100体积％时，非氟系环状碳酸酯（I）的含量为10〜50体积％ 含氟链状碳酸酯（II）的含量为49.9〜89.9体积％，1,2-二烷基-1,2-二氟亚乙基碳酸酯（III）的含量为0.1％以上， 体积小于30％。 还公开了包含上述溶剂的非水电解液和使用非水电解液的锂二次电池。

    Method of preparing fluorine-containing ether
    2.
    发明授权
    Method of preparing fluorine-containing ether 有权
    制备含氟醚的方法

    公开(公告)号：US08835696B2

    公开(公告)日：2014-09-16

    申请号：US12999843

    申请日：2009-06-11

    申请人： Michiru Kagawa ,  Aoi Nakazono ,  Akiyoshi Yamauchi ,  Meiten Koh

    发明人： Michiru Kagawa ,  Aoi Nakazono ,  Akiyoshi Yamauchi ,  Meiten Koh

    IPC分类号： C07C41/42 ,  C07C41/06 ,  C07B41/04

    CPC分类号： C07B41/04 ,  C07C41/06 ,  Y02P20/582 ,  C07C43/123

    摘要： There is provided a method of preparing a high purity fluorine-containing ether which inhibits a side reaction generating an unsaturated bond and assures low cost and simple steps. When preparing the fluorine-containing ether by allowing a fluorine-containing alkyl alcohol to react with a fluorinated olefin in the presence of a basic compound, a reaction is terminated at a stage before a conversion ratio of the fluorine-containing alkyl alcohol reaches 75%.

    摘要翻译： 提供一种制备高纯度含氟醚的方法，其抑制副反应产生不饱和键，并确保低成本和简单的步骤。 当在碱性化合物的存在下使含氟烷基醇与氟化烯烃反应制备含氟醚时，在含氟烷基醇的转化率达到75％之前的阶段终止反应， 。

    Non-aqueous electrolytic solution
    3.
    发明授权
    Non-aqueous electrolytic solution 有权
    非水电解液

    公开(公告)号：US08415056B2

    公开(公告)日：2013-04-09

    申请号：US13003286

    申请日：2009-07-06

    申请人： Meiten Koh ,  Hitomi Nakazawa ,  Hideo Sakata ,  Michiru Kagawa ,  Akiyoshi Yamauchi

    发明人： Meiten Koh ,  Hitomi Nakazawa ,  Hideo Sakata ,  Michiru Kagawa ,  Akiyoshi Yamauchi

    IPC分类号： H01M6/16 ,  H01G9/02

    CPC分类号： H01M10/0569 ,  H01M10/052 ,  H01M10/0568 ,  H01M2300/0025 ,  H01M2300/0034 ,  H01M2300/004 ,  Y02T10/7011

    摘要： There is provided a non-aqueous electrolytic solution assuring good solubility of an electrolyte salt and having enough cell characteristics (charge and discharge cycle characteristic, discharge capacity, and the like), and the non-aqueous electrolytic solution comprises a solvent for dissolving an electrolyte salt comprising (A) at least one fluorine-containing solvent selected from the group consisting of fluorine-containing ethers and fluorine-containing carbonates, (B) a non-fluorine-containing cyclic carbonate and (C) a chain ester represented by the formula (C): R1COOR2, wherein R1 is an alkyl group having 2 to 4 carbon atoms; R2 is an alkyl group having 1 to 4 carbon atoms or a fluorine-containing alkyl group having 1 to 4 carbon atoms, and (II) an electrolyte salt.

    摘要翻译： 提供了一种确保电解质盐的良好溶解性并具有足够的电池特性（充放电循环特性，放电容量等）的非水电解液，非水电解液包含溶解电解质的溶剂 盐，其包含（A）至少一种选自含氟醚和含氟碳酸酯的含氟溶剂，（B）非含氟环状碳酸酯和（C）由式 （C）：R1COOR2，其中R1是具有2至4个碳原子的烷基; R2是碳原子数1〜4的烷基或碳原子数1〜4的含氟烷基，（II）电解质盐。

    Electrolytic solution
    4.
    发明授权
    Electrolytic solution 有权
    电解液

    公开(公告)号：US08343374B2

    公开(公告)日：2013-01-01

    申请号：US11887548

    申请日：2006-03-28

    申请人： Meiten Koh ,  Akiyoshi Yamauchi ,  Yasuko Takagahara

    发明人： Meiten Koh ,  Akiyoshi Yamauchi ,  Yasuko Takagahara

    IPC分类号： H01G9/02

    CPC分类号： H01M10/4235 ,  H01G9/035 ,  H01G9/038 ,  H01G11/60 ,  H01M6/164 ,  H01M10/052 ,  H01M10/0569 ,  H01M2300/0025 ,  H01M2300/0034 ,  Y02E60/13

    摘要： There is provided an electrolytic solution comprising a chain carbonate (I) represented by the formula (I): wherein Rf is a fluorine-containing ether group (Ia) having, at its end, a moiety represented by the formula: HCFX (X is H or F); R is an alkyl group in which hydrogen atom may be substituted with halogen atom and hetero atom may be contained in its chain, and an electrolyte salt (II), and the electrolytic solution is excellent in flame retardance, low temperature characteristics, withstand voltage and compatibility with a hydrocarbon solvent and is high in solubility of an electrolyte salt.

    摘要翻译： 提供了一种电解液，其包含由式（I）表示的链状碳酸酯（I）：其中Rf是含氟醚基团（Ia），其末端具有由下式表示的部分：HCFX（X是 H或F）; R是烷基，其中氢原子可以被卤原子取代，杂原子可以包含在其链中，电解质盐（II），电解液具有优异的阻燃性，低温特性，耐电压和 与烃溶剂的相容性和电解质盐的溶解度高。

    ELECTROCHEMICAL DEVICE
    7.
    发明申请
    ELECTROCHEMICAL DEVICE 有权
    电化学装置

    公开(公告)号：US20090305144A1

    公开(公告)日：2009-12-10

    申请号：US12373442

    申请日：2007-07-12

    申请人： Meiten Koh ,  Hideo Sakata ,  Hitomi Nakazawa ,  Michiru Tanaka ,  Akiyoshi Yamauchi

    发明人： Meiten Koh ,  Hideo Sakata ,  Hitomi Nakazawa ,  Michiru Tanaka ,  Akiyoshi Yamauchi

    IPC分类号： H01M6/16

    CPC分类号： H01M10/0567 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/0025

    摘要： There is provided an electrochemical device provided with an electrolytic solution comprising (I) a solvent for dissolving an electrolyte salt comprising (A) a fluorine-containing ether represented by the formula (1): Rf1—O—Rf2 wherein Rf1 and Rf2 are the same or different and each is a fluorine-containing alkyl group having 3 to 6 carbon atoms, (B) a cyclic carbonate, and (C) a chain carbonate being compatible with both of the fluorine-containing ether (A) and the cyclic carbonate (B), and (II) an electrolyte salt, in which the solvent (I) for dissolving an electrolyte salt comprises 30 to 60% by volume of the fluorine-containing ether (A), 3 to 40% by volume of the cyclic carbonate (B) and 10 to 67% by volume of the chain carbonate (C) based on the whole solvent (I), and when the electrochemical device is provided with such an electrolytic solution, no phase separation occurs even at low temperature, flame retardancy and heat resistance are excellent, solubility of an electrolyte salt is high, discharge capacity is large, and charge and discharge cycle characteristics are satisfactory.

    摘要翻译： 提供一种具有电解溶液的电化学装置，其包含（I）用于溶解电解质盐的溶剂，其包含（A）由式（1）表示的含氟醚：Rf1-O-Rf2，其中Rf1和Rf2为 相同或不同，分别为具有3〜6个碳原子的含氟烷基，（B）环状碳酸酯，（C）与含氟醚（A）和环状碳酸酯 （B）和（II）电解质盐，其中溶解电解质盐的溶剂（I）含有30〜60体积％的含氟醚（A），3〜40体积％的环状 碳酸酯（B）和基于整个溶剂（I）的链状碳酸酯（C）的10至67体积％，并且当电化学装置设置有这种电解液时，即使在低温下也不发生相分离，火焰 阻燃性和耐热性优异，电解质sal的溶解性 t高，放电容量大，充放电循环特性令人满意。

    NON-AQUEOUS ELECTROLYTIC SOLUTION
    10.
    发明申请
    NON-AQUEOUS ELECTROLYTIC SOLUTION 有权
    非水溶性电解液

    公开(公告)号：US20110123872A1

    公开(公告)日：2011-05-26

    申请号：US13003286

    申请日：2009-07-06

    申请人： Meiten Koh ,  Hitomi Nakazawa ,  Hideo Sakata ,  Michiru Kagawa ,  Akiyoshi Yamauchi

    发明人： Meiten Koh ,  Hitomi Nakazawa ,  Hideo Sakata ,  Michiru Kagawa ,  Akiyoshi Yamauchi

    IPC分类号： H01M10/0564

    CPC分类号： H01M10/0569 ,  H01M10/052 ,  H01M10/0568 ,  H01M2300/0025 ,  H01M2300/0034 ,  H01M2300/004 ,  Y02T10/7011

    摘要： There is provided a non-aqueous electrolytic solution assuring good solubility of an electrolyte salt and having enough cell characteristics (charge and discharge cycle characteristic, discharge capacity, and the like), and the non-aqueous electrolytic solution comprises a solvent for dissolving an electrolyte salt comprising (A) at least one fluorine-containing solvent selected from the group consisting of fluorine-containing ethers and fluorine-containing carbonates, (B) a non-fluorine-containing cyclic carbonate and (C) a chain ester represented by the formula (C): R1COOR2, wherein R1 is an alkyl group having 2 to 4 carbon atoms; R2 is an alkyl group having 1 to 4 carbon atoms or a fluorine-containing alkyl group having 1 to 4 carbon atoms, and (II) an electrolyte salt.

    摘要翻译： 提供了一种确保电解质盐的良好溶解性并具有足够的电池特性（充放电循环特性，放电容量等）的非水电解液，非水电解液包含溶解电解质的溶剂 盐，其包含（A）至少一种选自含氟醚和含氟碳酸酯的含氟溶剂，（B）非含氟环状碳酸酯和（C）由式 （C）：R1COOR2，其中R1是具有2至4个碳原子的烷基; R2是碳原子数1〜4的烷基或碳原子数1〜4的含氟烷基，（II）电解质盐。