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    LITHIUM SECONDARY CELL
    35.
    发明申请
    LITHIUM SECONDARY CELL 审中-公开
    锂二次细胞

    公开(公告)号：US20140045069A1

    公开(公告)日：2014-02-13

    申请号：US14112973

    申请日：2012-04-27

    申请人： Tatsuji Numata ,  Tetsuya Kajita ,  Hiroo Takahashi ,  Daisuke Kawasaki

    发明人： Tatsuji Numata ,  Tetsuya Kajita ,  Hiroo Takahashi ,  Daisuke Kawasaki

    IPC分类号： H01M4/36

    CPC分类号： H01M4/364 ,  H01M4/131 ,  H01M4/136 ,  H01M4/386 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/052 ,  H01M2010/4292

    摘要： Provided is a lithium secondary cell in which elution of manganese from a manganese olivine compound into an electrolyte is suppressed, a high level of safety is obtained, the charge/discharge cycle efficiency and suppression of leakage of manganese during storage can be maintained over a long period, a long lifespan is obtained, a rapid decrease in cell voltage near the end of discharge is suppressed, and output characteristics are enhanced, when a manganese olivine compound having excellent stability during charge/discharge is used as the principal component in the positive electrode active material. The positive electrode contains a positive electrode active material containing an olivine compound represented by LiMm1-aXaPO4 (where X represents Mg and/or Fe, and a represents a value that satisfies 0≦a≦0.3) and a lithium nickel oxide represented by LiNi1-bZbO2 (where Z represents one or more selected from Co, Mn, Al, Mg, and V; and b represents a value that satisfies 0≦b≦0.4), the content of the olivine compound being from 50 to 95 mass %.

    摘要翻译： 本发明提供一种能够抑制锰从锰橄榄石化合物溶解成电解质的锂二次电池，能够获得高水平的安全性，能够在长时间内保持充放电循环效率和锰的泄漏抑制 时间长，寿命长，抑制放电结束附近的电池电压的急剧下降，并且当充放电时的稳定性优异的锰橄榄石化合物作为正极中的主要成分时，能够提高输出特性 活性物质 正极含有含有由LiMm1-aXaPO4（其中X表示Mg和/或Fe，a表示满足0≤a≤0.3的值）的LiMm1-aXaPO4表示的橄榄石化合物的正极活性物质和由LiNi1-aXaPO4表示的锂镍氧化物， bZbO2（其中Z表示选自Co，Mn，Al，Mg和V中的一种或多种; b表示满足0 @ b @ 0.4的值），橄榄石化合物的含量为50〜95质量％。

    SECONDARY BATTERY AND ELECTROLYTE LIQUID
    37.
    发明申请
    SECONDARY BATTERY AND ELECTROLYTE LIQUID 审中-公开
    二次电池和电解质液体

    公开(公告)号：US20140017572A1

    公开(公告)日：2014-01-16

    申请号：US14008415

    申请日：2012-03-16

    申请人： Makiko Uehara ,  Daisuke Kawasaki ,  Takehiro Noguchi ,  Akinobu Nakamura ,  Kenichi Shimura ,  Yoko Hashizume

    发明人： Makiko Uehara ,  Daisuke Kawasaki ,  Takehiro Noguchi ,  Akinobu Nakamura ,  Kenichi Shimura ,  Yoko Hashizume

    IPC分类号： H01M10/056 ,  H01M10/0525

    摘要： The object is to provide a lithium ion secondary battery which has an excellent cycle property even in high-temperature environment and which has small volume increase. An exemplary embodiment of the invention is a lithium ion secondary battery, comprising: a positive electrode, a negative electrode comprising a negative electrode active material, and an electrolyte liquid; wherein the electrolyte liquid comprises a chain-type fluorinated ester compound represented by a predetermined formula and a chain-type fluorinated ether compound represented by a predetermined formula; wherein the negative electrode active material comprises metal (a) that can be alloyed with lithium, metal oxide (b) that can absorb and desorb lithium ion, and carbon material (c) that can absorb and desorb lithium ion; and wherein metal (a) is silicon, and metal oxide (b) is silicon oxide.

    摘要翻译： 本发明的目的是提供一种锂离子二次电池，即使在高温环境下也具有优异的循环特性，并且体积增加量小。 本发明的一个示例性实施方案是一种锂离子二次电池，包括：正电极，包含负极活性材料的负电极和电解质液体; 其中所述电解质液体包含由规定式表示的链式氟化酯化合物和由预定式表示的链式氟代醚化合物; 其中负极活性物质包括可以与锂合金化的金属（a），可以吸收和解吸锂离子的金属氧化物（b），和能够吸收和解吸锂离子的碳材料（c）; 金属（a）为硅，金属氧化物（b）为氧化硅。

    SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME
    38.
    发明申请
    SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME 审中-公开
    二次电池及其制造方法

    公开(公告)号：US20130266875A1

    公开(公告)日：2013-10-10

    申请号：US13881984

    申请日：2011-06-23

    申请人： Kazuaki Matsumoto ,  Daisuke Kawasaki ,  Masahiro Suguro ,  Midori Shimura ,  Yoko Hashizume

    发明人： Kazuaki Matsumoto ,  Daisuke Kawasaki ,  Masahiro Suguro ,  Midori Shimura ,  Yoko Hashizume

    IPC分类号： H01M10/056

    CPC分类号： H01M10/056 ,  H01M4/382 ,  H01M4/386 ,  H01M4/621 ,  H01M4/622 ,  H01M4/625 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/0585 ,  Y10T29/49115

    摘要： An exemplary embodiment of the present invention is a secondary battery which comprises a negative electrode and a battery electrolyte liquid comprising a supporting salt and a non-aqueous electrolyte solvent; wherein the negative electrode is obtained by pre-forming a SEI coating film on a negative electrode structure which is formed by binding a negative electrode active substance comprising a metal (a). that can be alloyed with lithium, a metal oxide (b) that can absorb and desorb lithium ion and a carbon material (c) that can absorb and desorb lithium ion, to a negative electrode current collector with a negative electrode binder, and wherein the non-aqueous electrolyte solvent contains at least an ionic liquid.

    摘要翻译： 本发明的一个示例性实施方案是二次电池，其包含负极和包含支持盐和非水电解质溶剂的电池电解液; 其中所述负极通过在通过结合包含金属（a）的负极活性物质形成的负极结构上预成型SEI涂膜而获得。 可以与锂结合的金属氧化物（b），能够将锂离子吸收和解吸的金属氧化物（b）和能够将锂离子吸收和解吸的碳材料（c）与负极粘合剂一起用于负极集电体，其中， 非水电解质溶剂含有至少一种离子液体。

    SECONDARY BATTERY AND ELECTROLYTE SOLUTION FOR SECONDARY BATTERY TO BE USED IN SAME
    39.
    发明申请
    SECONDARY BATTERY AND ELECTROLYTE SOLUTION FOR SECONDARY BATTERY TO BE USED IN SAME 有权
    二次电池和电解质溶液，用于同时使用的二次电池

    公开(公告)号：US20130260218A1

    公开(公告)日：2013-10-03

    申请号：US13879327

    申请日：2011-06-23

    申请人： Yoko Hashizume ,  Daisuke Kawasaki ,  Masahiro Suguro ,  Midori Shimura ,  Kazuaki Matsumoto

    发明人： Yoko Hashizume ,  Daisuke Kawasaki ,  Masahiro Suguro ,  Midori Shimura ,  Kazuaki Matsumoto

    IPC分类号： H01M4/485

    CPC分类号： H01M4/485 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/366 ,  H01M4/386 ,  H01M4/587 ,  H01M4/622 ,  H01M10/0525 ,  H01M10/0563 ,  H01M10/0567 ,  H01M10/0585 ,  Y02E60/122 ,  Y02T10/7011

    摘要： Provided is a secondary battery having a good battery property at a high temperature. A secondary battery according to an exemplary embodiment of the invention comprises a negative electrode and an electrolyte liquid; wherein the negative electrode is formed by binding a negative electrode active substance on a negative electrode collector with a negative electrode binder; and wherein the electrolyte liquid comprises a compound (A) having a C═S bond. In this embodiment, the negative electrode active substance is formed by covering at least one of a metal (a) that can be alloyed with lithium and a metal oxide (b) that can absorb and desorb a lithium ion with a carbon material (c). Alternatively, the negative electrode active substance comprises a metal (a) that can be alloyed with lithium and the negative electrode binder negative electrode is a polyimide or a polyamide-imide.

    摘要翻译： 提供了在高温下具有良好的电池特性的二次电池。 根据本发明的示例性实施例的二次电池包括负极和电解液; 其中负极通过将负极活性物质与负极粘合剂结合在一起而形成; 并且其中所述电解质液体包含具有C = S键的化合物（A）。 在本实施方式中，负极活性物质通过覆盖与碳材料（c）能够吸收和解吸锂离子的金属（a）和锂合金化的金属（b）中的至少一种而形成， 。 或者，负极活性物质包括可与锂合金化的金属（a），负极粘合剂负极为聚酰亚胺或聚酰胺 - 酰亚胺。