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    Carbon material for battery electrode and production method and use thereof
    1.
    发明申请
    Carbon material for battery electrode and production method and use thereof 审中-公开
    电池用电极用碳材料及其制造方法及其应用

    公开(公告)号：US20060133980A1

    公开(公告)日：2006-06-22

    申请号：US10559615

    申请日：2004-06-04

    申请人： Youichi Nanba ,  Masataka Takeuchi ,  Akinori Sudoh ,  Satoshi Iinou

    发明人： Youichi Nanba ,  Masataka Takeuchi ,  Akinori Sudoh ,  Satoshi Iinou

    IPC分类号： H01M4/58 ,  H01M8/02

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

    摘要： 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 ra.w 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. The carbon material of the invention may contain carbon fiber filaments. Average roundness, BET specific surface area, true density, laser Roman R value, and average particle size were investigated.

    摘要翻译： 本发明涉及一种用于形成电池电极的碳材料，其包含具有均匀结构的碳粉末，其通过使作为聚合物的ra.w材料的有机化合物沉积到和/或渗透到碳质颗粒中而制备 然后使有机化合物聚合，然后在1,800至3300℃的温度下进行热处理，该温度包括从表面到中心核心的整个颗粒基本均匀的结构，其中石墨晶体结构区域 并且分布了非晶结构区域。 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。 本发明的碳材料可以含有碳纤维长丝。 研究了平均圆度，BET比表面积，真密度，激光罗氏R值和平均粒径。

    COMPOSITE GRAPHITE PARTICLES AND LITHIUM SECONDARY BATTERY USING THE SAME
    5.
    发明申请
    COMPOSITE GRAPHITE PARTICLES AND LITHIUM SECONDARY BATTERY USING THE SAME 审中-公开
    使用该复合石墨颗粒和锂二次电池

    公开(公告)号：US20120196193A1

    公开(公告)日：2012-08-02

    申请号：US13254408

    申请日：2009-03-02

    申请人： Chiaki Sotowa ,  Akinori Sudoh ,  Masataka Takeuchi ,  Kyung-hee Han ,  Jung-min Han ,  Jung-hun Oh

    发明人： Chiaki Sotowa ,  Akinori Sudoh ,  Masataka Takeuchi ,  Kyung-hee Han ,  Jung-min Han ,  Jung-hun Oh

    IPC分类号： H01M4/583 ,  H01M10/0569 ,  H01M10/052 ,  H01M4/04 ,  H01M4/64

    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.

    摘要翻译： 本发明提供了复合石墨粒子，其对具有高电容，良好的充放电特性和良好的充放电循环特性的二次电池中的负极是有用的; 以及使用该复合石墨粒子的负极，负极和锂二次电池用糊料。 本发明的复合石墨粒子包括由石墨构成的芯材，其中层间距离d（002）为0.337nm以下，其中峰强度（ID）在一定范围内的强度比ID / IG（R值） 为1300〜1400cm -1，通过拉曼光谱测定的1580〜1620cm -1范围内的峰强度（IG）为0.01〜0.1，强度比ID / IG（R 通过拉曼散射光谱法测定的在1300〜1400cm -1范围内的峰强度（ID）与1580〜1620cm -1范围内的峰强度（IG）之差为0.2以上; 其中，当将颗粒与石墨晶体的XRD测量获得的面（110）的峰强度（I110）和石墨晶体上的XRD测量获得的峰值强度（I004）之间的峰强度比I110 / I004为0.2或更高时， 粘合剂，并以1.55-1.65g / cm3的密度进行压塑。

    Carbon material for battery electrode and production method and use thereof
    8.
    发明申请
    Carbon material for battery electrode and production method and use thereof 审中-公开
    电池用电极用碳材料及其制造方法及其应用

    公开(公告)号：US20070092428A1

    公开(公告)日：2007-04-26

    申请号：US10577849

    申请日：2004-10-29

    申请人： Chiaki Sotowa ,  Masataka Takeuchi ,  Akinori Sudoh

    发明人： Chiaki Sotowa ,  Masataka Takeuchi ,  Akinori Sudoh

    IPC分类号： H01M4/58

    CPC分类号： H01M4/133 ,  H01M4/1393 ,  H01M4/583 ,  H01M4/587 ,  H01M4/625 ,  H01M10/0525

    摘要： The invention provides a carbon material for a battery electrode, which comprises a carbon powder material as a composite of carbonaceous particles and an a carbon material derived from an organic compound prepared by allowing the organic compound serving as a polymer source material to deposit onto and/or permeate into the carbonaceous particles to thereby polymerize the polymer material and then heating at 1,800 to 3,300° C., and which has an intensity ratio of 0.1 or more for peak intensity attributed to a (110) plane to peak intensity attributed to a (004) plane determined through X-ray diffraction spectroscopic analysis on a mixture of the carbon material and a binder resin when pressed at 103 kg/cm2 or higher. The carbon material which undergoes less deformation/orientation due to application of pressure, has high discharge capacity and small irreversible capacity and exhibiting excellent coulombic efficiency, cycle characteristics and leakage-current load characteristics.

    摘要翻译： 本发明提供了一种用于电池电极的碳材料，其包括作为碳质颗粒的复合材料的碳粉末材料和通过使用作为聚合物源材料的有机化合物沉积到和/ 或渗透到碳质颗粒中，从而使聚合物材料聚合，然后在1,800至3300℃下加热，并且对于归因于（110）面的峰强度与归因于（110）面的峰强度而言，其强度比为0.1以上， 004）面在通过X射线衍射光谱分析法测定的情况下，当以10 3 / kg 2/2以上的压力时，对碳材料和粘合剂树脂的混合物进行测定。 由于施加压力而变形/取向较少的碳材料具有高的放电容量和小的不可逆容量，并表现出优异的库仑效率，循环特性和漏电流负载特性。

    Graphite material, carbon material for battery electrode, and battery
    9.
    发明授权
    Graphite material, carbon material for battery electrode, and battery 有权
    石墨材料，电池电极用碳材料和电池

    公开(公告)号：US08747800B2

    公开(公告)日：2014-06-10

    申请号：US12096122

    申请日：2006-12-05

    申请人： Akinori Sudoh ,  Masataka Takeuchi

    发明人： Akinori Sudoh ,  Masataka Takeuchi

    IPC分类号： C01B31/04

    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 1200° 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℃加热到1200℃时的热损失为碳原料，例如不小于5质量％，不超过20质量％的碳原料如粉煤， 粉碎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 小的比表面积和小的平均粒径，同时在第一轮充电和放电中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
    10.
    发明申请
    NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, METHOD FOR PRODUCING CARBON-BASED NEGATIVE ELECTRODE ACTIVE MATERIAL, LITHIUM SECONDARY BATTERY AND USE THEREOF 有权
    用于锂二次电池的负极电极，用于生产碳基负极电极活性材料的方法，锂二次电池及其用途

    公开(公告)号：US20110236767A1

    公开(公告)日：2011-09-29

    申请号：US12673455

    申请日：2008-08-08

    申请人： Chiaki Sotowa ,  Akinori Sudoh ,  Masataka Takeuchi

    发明人： Chiaki Sotowa ,  Akinori Sudoh ,  Masataka Takeuchi

    IPC分类号： H01M4/583 ,  H01M4/1393 ,  F27D7/00 ,  B02C23/08 ,  H01M10/056

    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 and a true density of from 1.90 to 2.00 g/cm3 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/cm3, 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： 公开了含有能够吸收/解吸锂离子的活性物质（A）和粘合剂（B）的锂二次电池用负极，其中活性物质（A）为从至少一个起始物 选自石油焦炭和煤焦炭，平均粒度为1〜30，真密度为1.90〜2.00g / cm3的材料及其用途; 以及平均粒径为1〜30μm，真密度为1.90〜2.00g / cm 3的碳系负极活性物质的制造方法，其特征在于，包括：（a）将至少一种 选自由石油焦炭和煤焦炭组成的组，（b）控制粒径的步骤，（c）在惰性气体气氛中在900〜1900℃进行热处理的工序。