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    GRAPHITE MATERIAL, CARBONACEOUS MATERIAL FOR BATTERY ELECTRODES, AND BATTERIES
    2.
    发明公开
    GRAPHITE MATERIAL, CARBONACEOUS MATERIAL FOR BATTERY ELECTRODES, AND BATTERIES 有权
    电池充电器，电池充电器

    公开(公告)号：EP2418172A4

    公开(公告)日：2015-07-29

    申请号：EP10825048

    申请日：2010-10-22

    申请人： SHOWA DENKO KK

    发明人： NISHIMURA YOSHIYUKI ,  SUDOH AKINORI ,  YOSHIOKA SHUNSUKE

    IPC分类号： C01B31/04 ,  H01M4/587

    CPC分类号： H01M10/0525 ,  C01B32/20 ,  C01B32/215 ,  H01M4/133 ,  H01M4/364 ,  H01M4/587 ,  H01M2004/021 ,  Y02T10/7011 ,  Y10T428/2918 ,  Y10T428/2982

    摘要： Provided are a graphite material suitable as an electrode material for nonaqueous electrolyte secondary batteries, a carbonaceous material for battery electrodes, and secondary batteries which exhibit excellent charge-discharge cycle characteristics and excellent severe-current-load characteristics. A graphite material which has specific sizes of optically anisotropic and isotropic structures, a specific content ratio between both structures, and various orientation of crystallization; and a carbonaceous material for battery electrodes which is made using the graphite material and which exhibits a large discharge capacity and a small irreversible capacity with the severe-current-load characteristics and cycle characteristics being kept at high levels.

    摘要翻译： 提供适合作为非水电解质二次电池的电极材料，电池用电极用碳质材料和二次电池的石墨材料，其具有优异的充放电循环特性和优异的剧烈电流 - 负载特性。 具有特定尺寸的光学各向异性和各向同性结构的石墨材料，两种结构之间的特定含量比和结晶的各种取向; 以及使用石墨材料制成并且具有大放电容量和小的不可逆容量的电池电极用碳质材料，其严重电流 - 负载特性和循环特性保持在高水平。

    CARBONACEOUS MATERIAL FOR CELL AND CELL CONTAINING THE CARBONACEOUS MATERIAL
    4.
    发明公开
    CARBONACEOUS MATERIAL FOR CELL AND CELL CONTAINING THE CARBONACEOUS MATERIAL 审中-公开
    含碳材料电池和电池这包含

    公开(公告)号：EP1122803A4

    公开(公告)日：2005-04-13

    申请号：EP99970512

    申请日：1999-10-12

    申请人： SHOWA DENKO KK

    发明人： NISHIMURA KUNIO ,  SUDOH AKINORI ,  SOTOWA CHIAKI

    IPC分类号： H01M4/02 ,  H01M4/133 ,  H01M4/58 ,  H01M4/587

    CPC分类号： H01M4/587 ,  H01M4/133 ,  H01M2004/021

    摘要： A carbonaceous material which is a graphite powder having a specific surface area of 3 m2/g or smaller, an aspect ratio of 6 or lower, and a tap density of 0.8 g/cm3 or higher, or having a tap density of 0.8 g/cm3 or higher and an oxidation initiation temperature of 600 °C or higher, or having a bulk density of 0.8 g/cm3 or higher, a specific surface area of 3 m2/g or smaller, and an electrical resistivity in a specific powdery state of 0.06 Φcm or lower; and a cell containing it as a negative electrode material. The cell has a large discharge capacity, excellent suitability for charge/discharge cycles, and a high charge/discharge efficiency.

    COMPOSITE GRAPHITE PARTICLES AND LITHIUM SECONDARY BATTERY USING THE SAME
    5.
    发明公开
    COMPOSITE GRAPHITE PARTICLES AND LITHIUM SECONDARY BATTERY USING THE SAME 审中-公开
    石墨和锂二次电池

    公开(公告)号：EP2403802A4

    公开(公告)日：2015-07-01

    申请号：EP09841126

    申请日：2009-03-02

    申请人： SHOWA DENKO KK ,  LS MTRON LTD

    发明人： SOTOWA CHIAKI ,  SUDOH AKINORI ,  TAKEUCHI MASATAKA ,  HAN KYUNG-HEE ,  HAN-JUNG-MIN ,  OH JUNG-HUN

    IPC分类号： C01B31/04 ,  H01M4/133 ,  H01M4/1393 ,  H01M4/587 ,  H01M10/052

    CPC分类号： H01M4/587 ,  C01B32/20 ,  H01M4/133 ,  H01M4/1393 ,  H01M10/052

    摘要： The present invention provides composite graphite particles, which are useful for a negative electrode in a secondary battery having high capacitance, good charge-discharge characteristics and good charge-discharge cycle characteristics; and a paste for negative electrode, a negative electrode and a lithium secondary battery which use the composite graphite particles. The composite graphite particles of the present invention comprises a core material consisting of graphite having a interlayer distance d(002) of 0.337 nm or less in which the intensity ratio ID/IG (R value) between the peak intensity (ID) in a range of 1300 to 1400 cm−1 and the peak intensity (IG) in a range of 1580 to 1620 cm−1 as measured by Raman spectroscopy spectra is from 0.01 to 0.1 and a carbonaceous surface layer in which the intensity ratio ID/IG(R value) between the peak intensity (ID) in a range of 1300 to 1400 cm−1 and the peak intensity (IG) in a range of 1580 to 1620 cm−1 as measured by Raman scattering spectroscopy is 0.2 or higher; wherein the peak intensity ratio I110/I004 between the peak intensity (I110) of face (110) and the peak intensity (I004) of face (004) obtained by XRD measurement on the graphite crystal is 0.2 or higher when the particles are mixed with a binder and pressure-molded to a density of 1.55 to 1.65 g/cm3.

    GRAPHITE MATERIAL, CARBON MATERIAL FOR BATTERY ELECTRODE AND BATTERY
    8.
    发明公开
    GRAPHITE MATERIAL, CARBON MATERIAL FOR BATTERY ELECTRODE AND BATTERY 有权
    硒鼓电池电池

    公开(公告)号：EP1961700A4

    公开(公告)日：2013-11-06

    申请号：EP06834048

    申请日：2006-12-05

    申请人： SHOWA DENKO KK

    发明人： SUDOH AKINORI ,  TAKEUCHI MASATAKA

    IPC分类号： C01B31/04 ,  H01M4/58 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/36

    CPC分类号： H01M4/587 ,  C01B32/20 ,  H01M10/0525 ,  Y10T428/2982

    摘要： A carbon raw material such as a green coke in which loss on heat when it is heated from 300 to 1000 °C under an inert atmosphere is no less than 5 % by mass and no more than 20 % by mass is pulverized and then the pulverized carbon raw material is graphitized to obtain a graphite material suitable for a carbon material for anode in a lithium-ion secondary battery or the like that enables to make electrodes having a high-energy density and a large-current load characteristic since it has a small specific surface area and a small average particle diameter while maintaining high beginning efficiency and a high discharge capacity in the first round of charging and discharging. And an electrode for batteries are obtained using the graphite material.

    摘要翻译： 在惰性气氛下将其从300℃加热至1000℃时的热损失为碳原料，例如绿色焦炭为5质量％以上，粉碎不超过20质量％ 碳原料被石墨化以获得适于锂离子二次电池等中的用于阳极的碳材料的石墨材料，其能够制造具有高能量密度和大电流负载特性的电极，因为它具有小的 同时在第一次充放电时保持高的起始效率和高的放电容量。 并且使用石墨材料获得电池用电极。

    NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, METHOD FOR PRODUCING CARBON-BASED NEGATIVE ELECTRODE ACTIVE MATERIAL, LITHIUM SECONDARY BATTERY AND USE THEREOF
    9.
    发明公开
    NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, METHOD FOR PRODUCING CARBON-BASED NEGATIVE ELECTRODE ACTIVE MATERIAL, LITHIUM SECONDARY BATTERY AND USE THEREOF 有权
    二次电池负极的锂，用于生产负极活性物质中碳系，锂二次电池及其用途

    公开(公告)号：EP2187468A4

    公开(公告)日：2012-10-03

    申请号：EP08827284

    申请日：2008-08-08

    申请人： SHOWA DENKO KK

    发明人： SOTOWA CHIAKI ,  SUDOH AKINORI ,  TAKEUCHI MASATAKA

    IPC分类号： H01M4/58 ,  H01M4/02 ,  H01M4/04 ,  H01M4/133 ,  H01M4/1393 ,  H01M4/587 ,  H01M4/62

    CPC分类号： H01M4/133 ,  H01M4/0471 ,  H01M4/1393 ,  H01M4/587 ,  H01M2004/021 ,  Y02E60/122 ,  Y02P70/54 ,  Y10T29/49108

    摘要： Disclosed are a negative electrode for lithium secondary batteries, containing an active material (A) capable of absorbing/desorbing lithium ions and a binder (B), wherein the active material (A) is a carbon-based material obtained from at least one starting material selected from a group consisting of petroleum cokes and coal cokes and having a mean particle size of from 1 to 30 µm and a true density of from 1.90 to 2.00 g/cm 3 and its use; and a method for producing a carbon-based negative electrode active material having a mean particle size of from 1 to 30 µm and a true density of from 1.90 to 2.00 g/cm 3 , the method comprising (a) a step of grinding at least one selected from a group consisting of petroleum cokes and coal cokes, (b) a step of controlling the particle size, and (c) a step of heat-treating in an inert gas atmosphere at 900 to 1900°C.

    摘要翻译： 本发明公开了用于锂二次电池的负极，含有活性物质（A）能够吸收/释放锂离子和粘合剂（B），worin活性物质（A）的是由至少一种为原料获得的碳系材料 从一组石油焦和煤焦由...组成，并且具有从1至30微米的平均粒度和从1.90至2.00克/ cm 3，且其使用的真密度选择的材料; 和用于生产具有从1至30微米的平均粒度和从1.90至2.00克真密度碳系负极活性物质/ cm 3的方法，该方法包括（a）至少研磨的工序 一种选自石油焦和煤焦由......组成选择，（b）控制粒度的工序，以及（c）热处理在惰性气体气氛中，在900至1900℃的步骤