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    NEGATIVE ELECTRODE MATERIAL FOR LITHIUM-ION BATTERY, AND USE THEREFOR
    1.
    发明申请
    NEGATIVE ELECTRODE MATERIAL FOR LITHIUM-ION BATTERY, AND USE THEREFOR 审中-公开
    用于锂离子电池的负极电极材料及其用途

    公开(公告)号：US20170040610A1

    公开(公告)日：2017-02-09

    申请号：US15304580

    申请日：2015-04-16

    Applicant: SHOWA DENKO K.K. ,  UMICORE

    Inventor： Yasunari OTSUKA ,  Hirokazu MURATA

    IPC: H01M4/587 ,  H01M10/0525 ,  H01M4/62 ,  H01M4/133 ,  H01M4/36 ,  H01M4/58

    CPC classification number: H01M4/587 ,  H01M4/133 ,  H01M4/36 ,  H01M4/366 ,  H01M4/38 ,  H01M4/58 ,  H01M4/621 ,  H01M10/0525 ,  H01M2004/027

    Abstract: A negative electrode material for a lithium ion battery containing a composite material, the composite material including silicon-containing particles, graphitic carbon material particles, and a carbonaceous carbon material, in which the composite material has a ratio (A/B) of an area (A) of a peak near 100 eV derived from metal Si to an area (B) of a peak near 103 eV derived from silicon oxide, as measured by XPS, of not less than 0.10 and not more than 2.30. Also disclosed is a paste including the negative electrode material, as well as a negative electrode for a lithium ion battery including a formed body of the paste and a lithium ion battery including the negative electrode.

    Abstract translation: 一种含有复合材料的锂离子电池用负极材料，所述复合材料包含含硅颗粒，石墨碳材料颗粒和碳质碳材料，其中复合材料的面积比（A / B） （A）由金属Si衍生的100eV附近的峰值，与通过XPS测得的氧化硅衍生的103eV附近的峰的面积（B）不小于0.10且不大于2.30。 还公开了包括负极材料的糊料，以及包含糊状物的锂离子电池用负极和包含该负极的锂离子电池。

    METHOD FOR PRODUCING NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION BATTERIES
    4.
    发明申请
    METHOD FOR PRODUCING NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION BATTERIES 审中-公开
    用于生产锂离子电池负极电极材料的方法

    公开(公告)号：US20150303460A1

    公开(公告)日：2015-10-22

    申请号：US14443927

    申请日：2013-11-20

    Applicant: SHOWA DENKO K.K.

    Inventor： Hirokazu MURATA ,  Masataka TAKEUCHI ,  Nobuaki ISHII

    IPC: H01M4/36 ,  H01M4/583 ,  H01M4/04 ,  C07F7/18 ,  H01M4/1393 ,  H01M10/0525 ,  H01M4/60

    CPC classification number: H01M4/366 ,  C07F7/1892 ,  H01M4/0402 ,  H01M4/13 ,  H01M4/134 ,  H01M4/139 ,  H01M4/1393 ,  H01M4/1395 ,  H01M4/583 ,  H01M4/60 ,  H01M4/625 ,  H01M10/0525 ,  H01M2220/20

    Abstract: A negative electrode material for use in a lithium-ion battery is obtained by a method comprising subjecting a carbon particle (B) comprising a graphite material or the like to surface treatment with an oxidizing agent and then removing a residue of the oxidizing agent, modifying the carbon particle (B) from which the residue of the oxidizing agent has been removed with a silane coupling agent, modifying a particle (A) comprising an element capable of occluding and releasing a lithium ion, such as a Si particle, with a silane coupling agent, linking the modified carbon particle (B) and the modified particle (A) via a chemical bond, and coating a composite particle comprising the particle (A) and the carbon particle (B) linked to the particle (A) via a chemical bond with carbon.

    Abstract translation: 通过以下方法获得用于锂离子电池的负极材料，该方法包括使用氧化剂对包含石墨材料等的碳粒子（B）进行表面处理，然后除去氧化剂的残留物，修饰 用硅烷偶联剂除去氧化剂残余物的碳粒子（B），用硅烷改性包含能够吸留和释放锂离子的元素的粒子（A），如硅烷 偶联剂，通过化学键连接改性碳粒子（B）和改性粒子（A），并且通过经由A（A）与粒子（A）连接的粒子（A）和碳粒子 与碳化学键。

    METHOD FOR PRODUCING COMPOSITE, AND NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION BATTERY
    5.
    发明申请
    METHOD FOR PRODUCING COMPOSITE, AND NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION BATTERY 审中-公开
    用于生产复合材料的方法和用于锂离子电池的负极电极材料

    公开(公告)号：US20160181602A1

    公开(公告)日：2016-06-23

    申请号：US14909755

    申请日：2014-08-04

    Applicant: SHOWA DENKO K.K. ,  UMICORE

    Inventor： Arihiro MUTOH ,  Hirokazu MURATA ,  Masataka TAKEUCHI ,  Jan GILLEIR ,  Kris DRIESEN ,  Stijn PUT

    IPC: H01M4/48 ,  H01M4/583 ,  H01M10/0525

    Abstract: A production method for a composite of fine particles (A) and carbon particles (B), including the steps of: mixing fine particles (A) formed of a substance comprising at least one kind of Si, Sn, Al, Ge and In; and molten pitch, to obtain a mixture (1); pulverizing the mixture (1) to obtain a pulverized product (2a); dry-mixing the pulverized product (2a) and carbon particles (B) to obtain a mixture (3a); and firing the mixture (3a), followed by pulverization; or including the steps of: adding carbon particles (B) to the mixture (1), followed by dry mixing and pulverizing, to obtain a pulverized product (2b); and firing the pulverized product (2b), followed by pulverization.

    Abstract translation: 一种微粒（A）和碳粒（B）的复合体的制造方法，其特征在于，包括：由包含Si，Sn，Al，Ge和In中的至少一种的物质形成的微粒（A） 和熔融沥青，得到混合物（1）; 粉碎混合物（1）以获得粉碎产物（2a）; 将粉碎物（2a）和碳粒子（B）干混，得到混合物（3a）; 并烧制混合物（3a），然后粉碎; 或者包括以下步骤：向混合物（1）中加入碳颗粒（B），然后干混和粉碎，得到粉碎产物（2b）; 烧成粉碎物（2b），进行粉碎。

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