Non-aqueous electrolyte for secondary battery and non-aqueous electrolyte secondary battery
    1.
    发明授权
    Non-aqueous electrolyte for secondary battery and non-aqueous electrolyte secondary battery 有权
    用于二次电池和非水电解质二次电池的非水电解质

    公开(公告)号:US08945781B2

    公开(公告)日:2015-02-03

    申请号:US12522231

    申请日:2008-02-05

    摘要: The present invention provides a non-aqueous electrolyte secondary battery wherein a reaction between a non-aqueous electrolyte and an electrode is suppressed and decrease in battery capacity under high temperature is restricted, so that long time excellent battery characteristics can be obtained. A non-aqueous solvent of the non-aqueous electrolyte contains: chain fluorinated carboxylic acid ester represented by the formula R1-CH2—COO—R2 where R1 represents hydrogen or alkyl group and R2 represents alkyl group and the sum of the carbon numbers of R1 and R2 is 3 or less, and in the case that R1 is hydrogen, at least one part of hydrogen in R2 is replaced with fluorine, and, in the case that R1 is alkyl group, at least one part of hydrogen in R1 and/or R2 is replaced with fluorine; and a film forming chemical compound decomposed in the range of +1.0 to 3.0 V based on an equilibrium potential between metal lithium and lithium ion.

    摘要翻译: 本发明提供了一种非水电解质二次电池,其中非水电解质和电极之间的反应被抑制,并且在高温下的电池容量的降低受到限制,从而可以获得长时间的优异的电池特性。 非水电解质的非水溶剂包含:由式R1-CH2-COO-R2表示的链状氟化羧酸酯,其中R1表示氢或烷基,R2表示烷基,R1的碳数之和 R2为3以下,在R1为氢的情况下,R2中的至少一部分氢被氟代替,在R1为烷基的情况下,R1和/ 或R 2被氟取代; 并且基于金属锂和锂离子之间的平衡电位,在+1.0至3.0V的范围内分解成膜化合物。

    NON-AQUEOUS ELECTROLYTE FOR SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
    2.
    发明申请
    NON-AQUEOUS ELECTROLYTE FOR SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY 有权
    用于二次电池和非水电解质二次电池的非水电解液

    公开(公告)号:US20100081062A1

    公开(公告)日:2010-04-01

    申请号:US12522231

    申请日:2008-02-05

    IPC分类号: H01M2/14 H01M6/16

    摘要: The present invention provides a non-aqueous electrolyte secondary battery wherein a reaction between a non-aqueous electrolyte and an electrode is suppressed and decrease in battery capacity under high temperature is restricted, so that long time excellent battery characteristics can be obtained. A non-aqueous solvent of the non-aqueous electrolyte contains: chain fluorinated carboxylic acid ester represented by the formula R1-CH2—COO—R2 where R1 represents hydrogen or alkyl group and R2 represents alkyl group and the sum of the carbon numbers of R1 and R2 is 3 or less, and in the case that R1 is hydrogen, at least one part of hydrogen in R2 is replaced with fluorine, and, in the case that R1 is alkyl group, at least one part of hydrogen in R1 and/or R2 is replaced with fluorine; and a film forming chemical compound decomposed in the range of +1.0 to 3.0 V based on an equilibrium potential between metal lithium and lithium ion.

    摘要翻译: 本发明提供了一种非水电解质二次电池,其中非水电解质和电极之间的反应被抑制,并且在高温下的电池容量的降低受到限制,从而可以获得长时间的优异的电池特性。 非水电解质的非水溶剂包含:由式R1-CH2-COO-R2表示的链状氟化羧酸酯,其中R1表示氢或烷基,R2表示烷基,R1的碳数之和 R2为3以下,在R1为氢的情况下,R2中的至少一部分氢被氟取代,在R1为烷基的情况下,R1和/ 或R 2被氟取代; 并且基于金属锂和锂离子之间的平衡电位,在+1.0至3.0V的范围内分解成膜化合物。

    Non-aqueous electrolyte secondary battery
    3.
    发明申请
    Non-aqueous electrolyte secondary battery 审中-公开
    非水电解质二次电池

    公开(公告)号:US20070072074A1

    公开(公告)日:2007-03-29

    申请号:US11527608

    申请日:2006-09-27

    IPC分类号: H01M10/40 H01M4/58

    摘要: A non-aqueous electrolyte secondary battery using silicon as negative electrode active material and containing fluoroethylene carbonate in a non-aqueous electrolyte is provided that minimizes gas generation during storage in a charged state and improves charge-discharge cycle performance. The non-aqueous electrolyte secondary battery is provided with a negative electrode containing silicon as a negative electrode active material, a positive electrode, and a non-aqueous electrolyte containing electrolyte salts and a solvent. The non-aqueous electrolyte contains fluoroethylene carbonate, and the electrolyte salts include LiBF4 and another electrolyte salt that is less consumed relative to LiBF4 during charge-discharge cycling.

    摘要翻译: 提供了一种使用硅作为负极活性物质并在非水电解质中含有氟代碳酸亚乙酯的非水电解质二次电池,其使得在充电状态下储存期间的气体产生最小化并且改善了充放电循环性能。 该非水电解质二次电池设置有含有作为负极活性物质的硅的负极,正极和含有电解质盐和溶剂的非水电解质。 非水电解质含有氟代碳酸亚乙酯,并且电解质盐包括LiBF 4+和在充放电循环期间相对于LiBF 4 S消耗的另一种电解质盐。

    Lithium secondary battery
    6.
    发明申请
    Lithium secondary battery 审中-公开
    锂二次电池

    公开(公告)号:US20070231684A1

    公开(公告)日:2007-10-04

    申请号:US11729904

    申请日:2007-03-30

    摘要: A lithium secondary battery includes: a plurality of sheets of a positive electrode; at least one sheet of a negative electrode; a separator disposed between each of the positive electrode sheets and the negative electrode sheet; an electrode assembly (20) including the positive electrode, the negative electrode, and the separators; a battery case for accommodating the electrode assembly; and positive electrode current collector tabs (1), attached to individual sheets of the positive electrode, for connecting the sheets of the positive electrode to a positive electrode terminal portion of the battery case. The electrode assembly (20) is formed so that the plurality of sheets of positive electrode and the at least one sheet of the negative electrode are stacked with the separators interposed therebetween. In the electrode assembly in which the electrodes are stacked, the positive electrode current collector tabs are disposed staggered at a plurality of locations.

    摘要翻译: 锂二次电池包括:多片正极片; 至少一片负极; 设置在每个正极片和负极片之间的隔板; 包括正极,负极和隔板的电极组件(20); 用于容纳电极组件的电池壳体; 和正极集电体接头(1),其连接到正极的各个片上,用于将正极片连接​​到电池壳体的正极端子部分。 电极组件(20)形成为使得多个正极板和至少一个负极片层叠在一起,隔板之间被层叠。 在其中堆叠电极的电极组件中,正极集电片在多个位置交错配置。

    Non-aqueous electrolyte secondary battery
    7.
    发明申请
    Non-aqueous electrolyte secondary battery 审中-公开
    非水电解质二次电池

    公开(公告)号:US20070048606A1

    公开(公告)日:2007-03-01

    申请号:US11512150

    申请日:2006-08-30

    IPC分类号: H01M10/40 H01M4/58

    摘要: To improve cycle characteristics in a non-aqueous electrolyte secondary battery containing silicon as a negative electrode active material. A non-aqueous electrolyte secondary battery comprising a negative electrode made of a negative electrode active material containing silicon, a positive electrode, and a non-aqueous electrolyte containing an electrolyte salt and a solvent, wherein a first electrolyte salt containing boron and fluorine and a second electrolyte salt having a decomposition rate on the surface of the negative electrode during charging and discharging, which is lower than that of the first electrolyte salt, are used as the electrolyte salt.

    摘要翻译: 为了改善含有硅作为负极活性物质的非水电解质二次电池的循环特性。 一种非水电解质二次电池,其包含由含有硅的负极活性物质,正极和含有电解质盐和溶剂的非水电解质构成的负极,其中含有硼和氟的第一电解质盐和 作为电解质盐,使用在充放电期间具有比第一电解质盐低的负极表面的分解率的第二电解质盐。

    Non-aqueous electrolyte secondary battery
    9.
    发明申请
    Non-aqueous electrolyte secondary battery 审中-公开
    非水电解质二次电池

    公开(公告)号:US20070072087A1

    公开(公告)日:2007-03-29

    申请号:US11527452

    申请日:2006-09-27

    IPC分类号: H01M10/36 H01M4/58

    摘要: A non-aqueous electrolyte secondary battery using silicon as negative electrode active material and containing carbon dioxide in a non-aqueous electrolyte is provided that minimizes gas generation during storage in a charged state and improves charge-discharge cycle performance. The non-aqueous electrolyte secondary battery is provided with a negative electrode containing silicon as a negative electrode active material, a positive electrode, and a non-aqueous electrolyte containing electrolyte salts and a solvent. The non-aqueous electrolyte contains carbon dioxide, and the electrolyte salts include LiBF4 and another electrolyte salt that is less consumed relative to the LiBF4 during charge-discharge cycling.

    摘要翻译: 提供一种使用硅作为负极活性物质并在非水电解质中含有二氧化碳的非水电解质二次电池,其在充电状态下储存期间的气体产生最小化并且提高充放电循环性能。 该非水电解质二次电池设置有含有作为负极活性物质的硅的负极,正极和含有电解质盐和溶剂的非水电解质。 非水电解质含有二氧化碳,并且电解质盐包括LiBF 4+和在充放电循环期间相对于LiBF 4 S较少消耗的另一种电解质盐。

    Nonaqueous electrolyte secondary cell
    10.
    发明授权
    Nonaqueous electrolyte secondary cell 失效
    非水电解质二次电池

    公开(公告)号:US06818354B2

    公开(公告)日:2004-11-16

    申请号:US10024393

    申请日:2001-12-21

    IPC分类号: H01M0218

    摘要: In a non-aqueous secondary cell having a positive electrode, a negative electrode, a nonaqueous electrolyte, a separator interposed between the positive electrode and the negative electrode, the positive electrode having a positive electrode active material including a chemical compound capable of reversibly intercalating lithium and the negative electrode having a negative electrode active material including a material capable of reversibly intercalating lithium, the separator has through holes formed therein for passing lithium dendrites therethrough.

    摘要翻译: 在具有正极,负极,非水电解质,介于正极和负极之间的隔膜的非水电解槽中,正极具有含有可逆地插入锂的化合物的正极活性物质 负极具有含有可逆地嵌入锂的材料的负极活性物质,隔膜具有形成于其中的通孔,用于使锂枝晶通过。