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1. 发明授权

US06989137B1 Carbonaceous material for cell and cell containing the carbonaceous material 有权
标题翻译：用于含有碳质材料的细胞和细胞的碳质材料
公开(公告)号：US06989137B1
公开(公告)日：2006-01-24
申请号：US09807075
申请日：1999-10-12
申请人： Kunio Nishimura , Akinori Sudoh , Chiaki Sotowa
发明人： Kunio Nishimura , Akinori Sudoh , Chiaki Sotowa
IPC分类号： C01B31/04
CPC分类号： H01M4/623 , C01B32/20 , C01P2004/54 , C01P2006/11 , C01P2006/12 , C01P2006/40 , H01M4/043 , H01M4/587 , H01M2004/021
摘要： The present invention relates to graphite powder and to a battery using it as a negative electrode material, the powder having a specific surface area of not more than 3 m2/g, an aspect ratio of not more than 6, and a tapping bulk density of not less than 0.8 g/cm3; or a tapping bulk density of not less than 0.8 g/cm3 and an oxidation initiation temperature of not less than 600° C.; or a specific surface area of not more than 3 m2/g and a tapping bulk density of not less than 0.8 g/cm3, a specific electrical resistance of the powder not more than 0.06 Ωcm in the specified condition. The battery obtained thus has a large discharge capacity, good cycle property and high charge and discharge efficiency.
摘要翻译：本发明涉及石墨粉末和使用其作为负极材料的电池，所述粉末的比表面积不大于3m 2 / g，纵横比不大于 6，攻丝松密度不小于0.8g / cm 3; 或不小于0.8g / cm 3的攻丝松密度和不低于600℃的氧化起始温度; 或不超过3m 2 / g的比表面积和不小于0.8g / cm 3的攻丝堆积密度，粉末的比电阻率在规定条件下不超过0.06欧米加。由此获得的电池具有大的放电容量，良好的循环特性和高的充放电效率。

2. 发明申请

US20110236767A1 NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, METHOD FOR PRODUCING CARBON-BASED NEGATIVE ELECTRODE ACTIVE MATERIAL, LITHIUM SECONDARY BATTERY AND USE THEREOF 有权
标题翻译：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。

3. 发明申请

US20120196193A1 COMPOSITE GRAPHITE PARTICLES AND LITHIUM SECONDARY BATTERY USING THE SAME 审中-公开
标题翻译：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。

4. 发明申请

US20070092428A1 Carbon material for battery electrode and production method and use thereof 审中-公开
标题翻译：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。

5. 发明申请

US20130034775A1 CARBON NEGATIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY, PRODUCTION METHOD THEREOF AND LITHIUM SECONDARY BATTERY USING THE SAME 有权
标题翻译：用于锂二次电池的碳负极电极材料及其制造方法及其使用的锂二次电池
公开(公告)号：US20130034775A1
公开(公告)日：2013-02-07
申请号：US12989616
申请日：2009-04-16
申请人： Kyung-Hee Han , Jeong-Hun Oh , Jong-Sung Kim , Chul Youm , Jung-Min Han , Masataka Takeuchi , Akinori Sudoh , Chiaki Sotowa
发明人： Kyung-Hee Han , Jeong-Hun Oh , Jong-Sung Kim , Chul Youm , Jung-Min Han , Masataka Takeuchi , Akinori Sudoh , Chiaki Sotowa
IPC分类号： H01M4/583 , H01M4/04 , H01M4/60
CPC分类号： H01M4/587 , H01M4/133 , H01M4/362 , H01M10/052 , Y02E60/122 , Y02P70/54
摘要： A carbon negative electrode material for a lithium secondary battery includes: a core carbon material; and a coated layer covering the core carbon material and comprising a carbon coating material and carbon fiber.
摘要翻译：锂二次电池用碳负极材料包括：芯碳材料; 以及覆盖芯碳材料并包括碳涂层材料和碳纤维的涂层。

6. 发明授权

US09419281B2 Carbon negative electrode material for lithium secondary battery, production method thereof and lithium secondary battery using the same 有权
标题翻译：锂二次电池用碳负极材料及其制造方法以及使用该二次电池的锂二次电池
公开(公告)号：US09419281B2
公开(公告)日：2016-08-16
申请号：US12989616
申请日：2009-04-16
申请人： Kyung-Hee Han , Jeong-Hun Oh , Jong-Sung Kim , Chul Youm , Masataka Takeuchi , Akinori Sudoh , Chiaki Sotowa
发明人： Kyung-Hee Han , Jeong-Hun Oh , Jong-Sung Kim , Chul Youm , Jung-Min Han , Masataka Takeuchi , Akinori Sudoh , Chiaki Sotowa
IPC分类号： H01M4/583 , H01M4/587 , H01M4/133 , H01M4/36 , H01M10/052
CPC分类号： H01M4/587 , H01M4/133 , H01M4/362 , H01M10/052 , Y02E60/122 , Y02P70/54
摘要： A carbon negative electrode material for a lithium secondary battery includes: a core carbon material; and a coated layer covering the core carbon material and comprising a carbon coating material and carbon fiber.
摘要翻译：锂二次电池用碳负极材料包括：芯碳材料; 以及覆盖芯碳材料并包括碳涂层材料和碳纤维的涂层。

7. 发明授权

US08841029B2 Negative electrode for lithium secondary battery, method for producing carbon-based negative electrode active material, lithium secondary battery and use thereof 有权
标题翻译：锂二次电池用负极，碳系负极活性物质的制造方法，锂二次电池及其用途
公开(公告)号：US08841029B2
公开(公告)日：2014-09-23
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： H01M4/58 , H01M4/133 , H01M4/1393 , H01M4/04 , H01M4/587 , H01M4/02
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。

8. 发明授权

US08652361B2 Composite electrode material 有权
标题翻译：复合电极材料
公开(公告)号：US08652361B2
公开(公告)日：2014-02-18
申请号：US12867414
申请日：2009-02-24
申请人： Karim Zaghib , Chiaki Sotowa , Patrick Charest , Masataka Takeuchi , Abdelbast Guerfi
发明人： Karim Zaghib , Chiaki Sotowa , Patrick Charest , Masataka Takeuchi , Abdelbast Guerfi
IPC分类号： H01B1/20 , H01M4/36 , H01M4/48
CPC分类号： H01M4/131 , H01B1/20 , H01M4/02 , H01M4/136 , H01M4/1393 , H01M4/1397 , H01M4/366 , H01M4/485 , H01M4/5825 , H01M4/623 , H01M4/625 , H01M10/052 , H01M2004/021 , H01M2004/028
摘要： The invention relates to a composite electrode material consisting of a carbon coated complex oxide, fibrous carbon and a binder. Said material is prepared by a method which comprises co-grinding an active electrode material and fibrous carbon, and adding a binder to the co-grinded mixture to lower the viscosity of the mixture. The fibrous carbon is preferably vapor grown carbon fibers.
摘要翻译：本发明涉及由碳涂复合氧化物，纤维状碳和粘结剂组成的复合电极材料。所述材料通过包括共同研磨活性电极材料和纤维状碳的方法以及向共磨碎的混合物中加入粘合剂以降低混合物的粘度的方法制备。纤维状碳优选为气相生长碳纤维。

9. 发明申请

US20110123858A1 COMPOSITE ELECTRODE MATERIAL 有权
标题翻译：复合电极材料
公开(公告)号：US20110123858A1
公开(公告)日：2011-05-26
申请号：US13003851
申请日：2009-07-24
申请人： Karim Zaghib , Chiaki Sotowa , Abdelbast Guerfi , Masataka Takeuchi , Patrick Charest
发明人： Karim Zaghib , Chiaki Sotowa , Abdelbast Guerfi , Masataka Takeuchi , Patrick Charest
IPC分类号： H01M10/052 , B32B9/00 , B05D3/02 , H01M4/02 , H01M4/04
CPC分类号： H01M4/625 , C01D15/02 , H01M4/0404 , H01M4/0471 , H01M4/1397 , H01M4/362 , H01M4/366 , H01M4/5825 , H01M4/623 , Y02E60/122 , Y10T428/292
摘要： The invention relates to a composite material comprising carbon fibers and complex oxide particles, wherein the carbon fibers and the complex oxide particles have a carbon coating on at least part of their surface, said carbon coating being a non powdery coating The material is prepared by a method comprising mixing a complex oxide or precursors thereof, an organic carbon precursor and carbon fibers, and subjecting the mixture to a heat treatment in an inert or reducing atmosphere for the decomposition of the precursors The material is useful as the cathode material in a battery
摘要翻译：本发明涉及包含碳纤维和复合氧化物颗粒的复合材料，其中碳纤维和复合氧化物颗粒在其表面的至少一部分上具有碳涂层，所述碳涂层是非粉末涂层。该材料由方法，包括混合复合氧化物或其前体，有机碳前体和碳纤维，并将混合物在惰性或还原气氛中进行热处理以分解前体。该材料可用作电池中的阴极材料

10. 发明申请

US20070275302A1 Negative Electrode Material for Lithium Battery, and Lithium Battery 审中-公开
标题翻译：锂电池负极材料和锂电池
公开(公告)号：US20070275302A1
公开(公告)日：2007-11-29
申请号：US10585205
申请日：2004-12-28
申请人： Chiaki Sotowa , Masataka Takeuchi , Hidekazu Mori , Masahiro Yamakawa
发明人： Chiaki Sotowa , Masataka Takeuchi , Hidekazu Mori , Masahiro Yamakawa
IPC分类号： H01M4/62 , H01M4/58
CPC分类号： H01M4/0433 , H01M4/133 , H01M4/587 , H01M4/621 , H01M4/622 , H01M4/661 , H01M2004/021 , Y10T29/49108 , Y10T29/49115
摘要： The present invention relates to a negative electrode material for a lithium battery characterized by comprising a carbonaceous negative electrode active substance having a specific surface area of 1 m2/g or more, a binder formed of styrene-butadiene rubber and a carbon fiber having a fiber diameter of 1 to 1,000 nm; and to a lithium battery using the negative electrode material, which has excellent characteristics, i.e., low electrode resistance, high electrode strength, excellent electrolytic solution permeability, high energy density, and good high-speed charging/discharging performance. The negative electrode material contains carbon fiber in the amount of 0.05 to 20 mass % and the binder formed of styrene-butadiene rubber in 0.1 to 6.0 mass %, and may further contain a thickner such as carboxymethyl cellulose in the amount of 0.3 to 3 mass %.
摘要翻译：本发明涉及一种锂电池用负极材料，其特征在于，具有比表面积为1m 2 / g以上的碳质负极活性物质，由苯乙烯 - 丁二烯橡胶和纤维直径为1〜1000nm的碳纤维; 并且使用具有优异的特性，即低电极电阻，高电极强度，优异的电解液渗透性，高能量密度和良好的高速充电/放电性能的负极材料的锂电池。负极材料含有0.05〜20质量％的碳纤维和0.1〜6.0质量％的苯乙烯 - 丁二烯橡胶形成的粘合剂，还可以含有0.3〜3质量％的羧甲基纤维素等增稠剂％。

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