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    COMPOSITE CARBON FIBERS
    1.
    发明申请
    COMPOSITE CARBON FIBERS 有权
    复合碳纤维

    公开(公告)号：US20140272596A1

    公开(公告)日：2014-09-18

    申请号：US14047637

    申请日：2013-10-07

    Applicant: SHOWA DENKO K.K.

    Inventor： Ryuji YAMAMOTO ,  Takeshi NAKAMURA ,  Nobuaki ISHII ,  Yuta HIRANO

    IPC: H01M4/62

    CPC classification number: H01M4/625 ,  H01M4/5825 ,  H01M10/052

    Abstract: Provided is composite carbon fibers comprising multi-walled carbon nanotubes wherein 99% by number or more of the multi-walled carbon nanotubes have a fiber diameter of not less than 5 nm and not more than 40 nm, carbon particles having a primary particle diameter of not less than 20 nm and not more than 100 nm and graphitized carbon nanofibers wherein 99% by number or more of the graphitized carbon nanofibers have a fiber diameter of not less than 50 nm and not more than 300 nm, wherein the multi-walled carbon nanotubes are homogeneously dispersed between the graphitized carbon nanofibers and the carbon particles.

    Abstract translation: 提供了包含多层碳纳米管的复合碳纤维，其中多壁碳纳米管的99质量％或更多的纤维直径不小于5nm且不大于40nm，具有一次粒径为 不小于20nm且不大于100nm的石墨化碳纳米纤维，其中99％或更多的石墨化碳纳米纤维的纤维直径不小于50nm且不大于300nm，其中多壁碳 纳米管均匀分散在石墨化碳纳米纤维和碳颗粒之间。

    NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERY
    2.
    发明申请
    NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERY 有权
    用于锂离子二次电池的负极电极材料

    公开(公告)号：US20160111724A1

    公开(公告)日：2016-04-21

    申请号：US14894201

    申请日：2014-05-30

    Applicant: SHOWA DENKO K.K.

    Inventor： Takeshi NAKAMURA ,  Nobuaki ISHII ,  Yuta HIRANO

    IPC: H01M4/587 ,  H01M10/0525

    CPC classification number: H01M4/587 ,  H01M4/133 ,  H01M4/134 ,  H01M4/1393 ,  H01M4/1395 ,  H01M4/362 ,  H01M4/38 ,  H01M4/386 ,  H01M4/387 ,  H01M4/463 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/027

    Abstract: A method for producing a negative electrode material for lithium ion secondary battery which includes: pressing a mixed liquid comprising particles (B) containing an element capable of occluding/releasing lithium ions, carbon nanotubes (C) of which not less than 95% by number have a fiber diameter of not less than 5 nm and not more than 40 nm, and water into a pulverizing nozzle of a high-pressure dispersing device to obtain a paste or slurry; drying the paste or slurry into a powder; and mixing the powder and carbon particles (A). A negative electrode material for lithium ion secondary battery including carbon particles (A); and flocculates in which particles (B) containing an element capable of occluding/releasing lithium ions and carbon nanotubes (C) of which not less than 95% by number has a fiber diameter of not less than 5 nm and not more than 40 nm are uniformly composited.

    Abstract translation: 一种锂离子二次电池用负极材料的制造方法，其特征在于，包括：包含含有能够吸留或释放锂离子的元素的粒子（B）的混合液，不低于95个数的碳纳米管（C） 纤维直径不小于5nm且不大于40nm，水分入高压分散装置的粉碎喷嘴中以获得糊状物或浆料; 将糊或浆料干燥成粉末; 并混合粉末和碳颗粒（A）。 一种含有碳粒子（A）的锂离子二次电池用负极材料。 并且其中含有能够吸留/释放锂离子的元素的颗粒（B）和其不小于95数量级的碳纳米管（C）的纤维直径不小于5nm且不大于40nm的絮凝物是 均匀合成。

    METHOD OF MANUFACTURING BATTERY ELECTRODE
    4.
    发明申请
    METHOD OF MANUFACTURING BATTERY ELECTRODE 审中-公开
    制造电池电极的方法

    公开(公告)号：US20140234724A1

    公开(公告)日：2014-08-21

    申请号：US14013771

    申请日：2013-08-29

    Applicant: SHOWA DENKO K.K.

    Inventor： Takeshi NAKAMURA ,  Nobuaki ISHII ,  Yuta HIRANO

    IPC: H01M4/1393 ,  H01M4/62

    CPC classification number: H01M4/1393 ,  H01M4/0404 ,  H01M4/0409 ,  H01M4/043 ,  H01M4/0433 ,  H01M4/139 ,  H01M4/1397 ,  H01M4/621 ,  H01M4/625

    Abstract: A battery electrode is obtained by a method comprising: mixing active material (A), carbon fibers (B) having a fiber diameter of not less than 50 nm and not more than 300 nm, carbon fibers (C) having a fiber diameter of not less than 5 nm and not more than 40 nm, carbon black (D) and a binder (E) by dry process to obtain a mixture; to the mixture, adding not less than 5/95 and not more than 20/80 of a liquid medium by mass relative to the total mass of the active material (A), the carbon fibers (B), the carbon fibers (C), carbon black (D) and the binder (E); performing kneading while applying shear stress; and shaping the kneaded material into a sheet form.

    Abstract translation: 通过以下方法获得电池电极：将活性材料（A），纤维直径不小于50nm且不大于300nm的碳纤维（B）混合，纤维直径不大于的碳纤维（C） 小于5nm且不大于40nm，通过干法处理炭黑（D）和粘合剂（E）以获得混合物; 相对于活性物质（A），碳纤维（B），碳纤维（C）的总质量，添加不少于5/95且不大于20/80的液体介质， ，碳黑（D）和粘合剂（E）; 施加剪切应力时进行揉搓; 并将捏合的材料成型为片状。

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