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    METHOD FOR PRODUCING COMPOSITE, AND NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION BATTERY
    1.
    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。

    METHOD FOR PRODUCING ANODE FOR LITHIUM SECONDARY BATTERY AND ANODE COMPOSITION, AND LITHIUM SECONDARY BATTERY
    2.
    发明申请
    METHOD FOR PRODUCING ANODE FOR LITHIUM SECONDARY BATTERY AND ANODE COMPOSITION, AND LITHIUM SECONDARY BATTERY 有权
    生产锂二次电池和阳极组合物的阳极的方法和锂二次电池

    公开(公告)号：US20140170499A1

    公开(公告)日：2014-06-19

    申请号：US14186934

    申请日：2014-02-21

    Applicant: SHOWA DENKO K.K.

    Inventor： Masataka TAKEUCHI ,  Chiaki SOTOWA

    IPC: H01M4/133 ,  H01M4/36

    CPC classification number: H01M4/133 ,  H01M4/0433 ,  H01M4/139 ,  H01M4/364 ,  H01M4/587 ,  H01M4/62 ,  H01M4/621 ,  H01M4/661 ,  H01M10/0569 ,  H01M2004/021 ,  H01M2004/027 ,  Y02E60/122 ,  Y02P70/54 ,  Y10T428/2971

    Abstract: The invention relates to an anode for lithium secondary battery comprising vapor grown carbon fiber uniformly dispersed without forming an agglomerate of 10 μm or larger in an anode active material using natural graphite or artificial graphite, which anode is excellent in long cycle life and large current characteristics. Composition used for production for the anode can be produced, for example, by mixing a thickening agent solution containing an anode active material, a thickening agent aqueous solution and styrene butadiene rubber as binder with a composition containing carbon fiber dispersed in a thickening agent with a predetermined viscosity or by mixing an anode active material with vapor grown carbon fiber in dry state and then adding polyvinylidene difluoride thereto.

    Abstract translation: 本发明涉及一种锂二次电池用阳极，其包括使用天然石墨或人造石墨在阳极活性物质中形成均匀分散的气相生长碳纤维，而阳极活性物质的长周期性优异，电流特性大 。 用于阳极生产的组合物可以例如通过将含有负极活性物质，增稠剂水溶液和丁苯橡胶作为粘合剂的增稠剂溶液与分散在增稠剂中的含碳纤维的组合物混合， 通过将阳极活性材料与干燥状态下的气相生长碳纤维混合，然后向其中加入聚偏二氟乙烯。

    CARBON MATERIAL FOR BATTERY ELECTRODE AND PRODUCTION METHOD AND USE THEREOF
    3.
    发明申请
    CARBON MATERIAL FOR BATTERY ELECTRODE AND PRODUCTION METHOD AND USE THEREOF 审中-公开
    用于电池电极的碳材料及其制造方法及其用途

    公开(公告)号：US20130168610A1

    公开(公告)日：2013-07-04

    申请号：US13780817

    申请日：2013-02-28

    Applicant: SHOWA DENKO K.K.

    Inventor： Youichi NANBA ,  Masataka TAKEUCHI ,  Akinori SUDOH ,  Satoshi IINOU

    IPC: H01M4/133

    CPC classification number: H01M4/133 ,  H01M4/364 ,  H01M4/366 ,  H01M4/587 ,  H01M4/62 ,  H01M8/0213 ,  H01M8/0221 ,  H01M8/0226 ,  H01M10/052

    Abstract: The invention relates to a carbon material for forming a battery electrode, comprising carbon powder having a homogeneous structure which is produced by causing an organic compound, serving as a raw material of a polymer, to deposit onto and/or permeate into carbonaceous particles, and subsequently polymerizing the organic compound, followed by thermal treatment at a temperature of 1,800 to 3,300° C., which comprises a structure which is substantially uniform throughout the entirety of the particle from the surface to the central core where a graphite crystal structure region and an amorphous structure region are distributed. By using the material, a battery having high discharging capacity and low irreversible capacity, with excellent coulombic efficiency and excellent cycle characteristics can be fabricated.

    Abstract translation: 本发明涉及一种用于形成电池电极的碳材料，其包含通过使作为聚合物的原料的有机化合物沉积到和/或渗透到碳质颗粒中而制成的具有均匀结构的碳粉末，以及 随后将有机化合物聚合，然后在1,800至3300℃的温度下进行热处理，其包括从表面到中心芯的整个颗粒基本上均匀的结构，其中石墨晶体结构区域和 非晶结构区域分布。 通过使用该材料，可以制造具有高放电容量和低不可逆容量的电池，具有优异的库仑效率和优异的循环特性。

    METHOD FOR PRODUCING NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION BATTERIES
    7.
    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。

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