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21. 发明申请

WO2007004728A1 METHOD FOR PRODUCING ANODE FOR LITHIUM SECONDARY BATTERY AND ANODE COMPOSITION, AND LITHIUM SECONDARY BATTERY 审中-公开
标题翻译：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：WO2007004728A1
公开(公告)日：2007-01-11
申请号：PCT/JP2006/313630
申请日：2006-07-03
申请人： SHOWA DENKO K.K. , TAKEUCHI, Masataka , SOTOWA, Chiaki
发明人： TAKEUCHI, Masataka , SOTOWA, Chiaki
IPC分类号： H01M4/02 , H01M4/58 , H01M4/62 , H01M4/66 , H01M10/40 , C01B31/02
CPC分类号： 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
摘要： 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.
摘要翻译：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有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。

22. 发明申请

WO2005067081A1 NEGATIVE ELECTRODE MATERIAL FOR LITHIUM BATTERY, AND LITHIUM BATTERY 审中-公开
标题翻译：用于锂电池的负极电极材料和锂电池
公开(公告)号：WO2005067081A1
公开(公告)日：2005-07-21
申请号：PCT/JP2004/019835
申请日：2004-12-28
申请人： SHOWA DENKO K.K. , ZEON CORPORATION , SOTOWA, Chiaki , TAKEUCHI, Masataka , MORI, Hidekazu , YAMAKAWA, Msahiro
发明人： SOTOWA, Chiaki , TAKEUCHI, Masataka , MORI, Hidekazu , YAMAKAWA, Msahiro
IPC分类号： H01M4/02
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 m 2 /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，包括比表面积为1m 2 / g以上的碳质负极活性物质，由苯乙烯 - 丁二烯橡胶和碳纤维形成的粘合剂纤维直径为1〜1000nm; 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％。

23. 发明申请

WO1996026234A1 SOLID POLYMER ELECTROLYTE, BATTERY AND SOLID-STATE ELECTRIC DOUBLE LAYER CAPACITOR USING THE SAME AS WELL AS PROCESSES FOR THE MANUFACTURE THEREOF 审中-公开
标题翻译：固体聚合物电解质，电池和固态电动双层电容器使用相同的方法作为其制造方法
公开(公告)号：WO1996026234A1
公开(公告)日：1996-08-29
申请号：PCT/JP1996000384
申请日：1996-02-21
申请人： SHOWA DENKO K.K.
发明人： SHOWA DENKO K.K. , TAKEUCHI, Masataka , OOGA, Kazuhiko
IPC分类号： C08G65/32
CPC分类号： H01G9/038 , C08F290/062 , C08F290/142 , C08G18/283 , C08G18/2835 , C08G18/4833 , C08G18/4837 , C08G18/4883 , C08G18/8116 , C08G65/329 , C08G65/3322 , C08G65/33348 , H01B1/122 , H01G9/025 , H01G11/56 , H01M4/13 , H01M4/137 , H01M4/621 , H01M4/622 , H01M6/181 , H01M6/40 , H01M10/052 , H01M10/0565 , Y02E60/13 , Y02T10/7011 , Y02T10/7022
摘要： A solid polymer electrolyte comprising a composite of: (a) a polymer obtainable from at least one compound which contains a structure derived from a polyhydric alcohol having three or more hydroxyl groups, at least two hydrogen atoms of said alcoholic hydroxyl groups being each replaced by a unit represented by a general formula (1): CH2=C(R )C(=O)[O(CH2)x(CH(CH3))y]zNHC(=O)OR - wherein R represents a hydrogen or a methyl group; R represents a divalent organic group containing at least one oxyalkylene group; x and y each represents a number of 0 to 5; z represents a number of 0 to 10; and (b) at least one electrolyte salt. The solid polymer electrolyte has good film strength and processability as well as high ionic conductivity, and is useful for fabricating thin electrodes, batteries and electric double layer capacitors which are free from the leakage of any solution.
摘要翻译：一种固体聚合物电解质，其包含以下复合物：（a）可从至少一种含有衍生自具有三个或更多个羟基的多元醇的结构的化合物获得的聚合物，所述醇羟基的至少两个氢原子各自被由通式（1）表示的单元：CH 2 = C（R 1）C（= O）[O（CH 2）x（CH（CH 3））y] z NHC（= O）OR 2 - R 1表示氢或甲基; R 2表示含有至少一个氧化烯基的二价有机基团; x和y各自表示0〜5的数; z表示0〜10的数; 和（b）至少一种电解质盐。固体聚合物电解质具有良好的膜强度和加工性以及高离子导电性，并且可用于制造没有任何溶液泄漏的薄电极，电池和双电层电容器。

24. 发明公开

EP2282367A1 NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, PREPARATION METHOD OF THE SAME, AND LITHIUM SECONDARY BATTERY CONTAINING THE SAME 审中-公开
标题翻译：二次电池用负极活性材料的锂，工艺用于生产和锂二次电池
公开(公告)号：EP2282367A1
公开(公告)日：2011-02-09
申请号：EP09738953.0
申请日：2009-04-28
申请人： Ls Mtron Ltd. , SHOWA DENKO K.K.
发明人： HAN, Jung-Min , OH, Jeong-Hun , KIM, Jong-Sung , YOUM, Chul , HAN, Kyung-Hee , TAKEUCHI, Masataka , SUDOH, Akinori , SOTOWA, Chiaki
IPC分类号： H01M4/58
CPC分类号： H01M4/587 , H01M4/362 , H01M4/364 , H01M10/052
摘要： The present invention relates to a negative electrode active material for a lithium secondary battery, a preparation method thereof, and a lithium secondary battery containing the negative electrode active material. The negative electrode active material for the lithium secondary battery according to the present invention is formed by mixing: a carbon material coated with vapor growth carbon fiber (VGCF) and amorphous graphite; and one or more kinds of other carbon material selected from natural graphite, artificial graphite, amorphous-coated graphite, resin-coated graphite and amorphous carbon. According to the present invention, when the negative electrode active material is prepared, the carbon fiber is uniformly dispersed-throughout the carbon material, and the carbon material is coated with the amorphous graphite and then mixed with other carbon materials, and thus, a high electrode density can be achieved. Accordingly, even with high electrode density, the invention can provide the negative electrode active material with excellent electrochemical properties such as charge/discharge efficiency and cycle characteristics.
摘要翻译：本发明涉及一种负极活性物质的锂二次电池，其制备方法，以及含有该负极活性物质的锂二次电池。用于锂二次电池gemäß到本发明的负极活性材料通过混合而形成：涂布有气相生长碳纤维（VGCF）和非晶质石墨的碳材料; 和其他的碳材料的一种或多种选自天然石墨，人造石墨，非晶质被覆石墨，树脂被覆石墨和无定形碳中选择。。根据本发明，当制备负电极活性材料，碳纤维均匀地分散，在整个碳材料，并且该碳材料涂覆有非晶质石墨，然后与其他碳材料混合，因此，高电极密度就可以实现。如充电/放电效率和循环特性：因此，即使以高电极密度，本发明能够具有优良的电化学性能提供负电极活性材料。

25. 发明公开

EP2282366A1 CARBON NEGATIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY, PRODUCTION METHOD THEREOF AND LITHIUM SECONDARY BATTERY USING THE SAME 有权
标题翻译：碳负极材料用于锂二次电池，工艺用于生产和锂二次电池
公开(公告)号：EP2282366A1
公开(公告)日：2011-02-09
申请号：EP09734880.9
申请日：2009-04-16
申请人： Ls Mtron Ltd. , Showa Denko K.K.
发明人： HAN, Kyung-Hee , OH, Jeong-Hun , KIM, Jong-Sung , YOUM, Chul , HAN, Jung-Min , TAKEUCHI, Masataka , SUDOH, Akinori , SOTOWA, Chiaki
IPC分类号： H01M4/36
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：用于锂二次电池用碳阴极材料，包括：芯碳材料; 和涂布层，覆盖上述芯碳材料并包含被覆用碳材料和碳纤维。

26. 发明公开

EP2187468A1 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：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：EP2187468A1
公开(公告)日：2010-05-19
申请号：EP08827284.4
申请日：2008-08-08
申请人： Showa Denko K.K.
发明人： SOTOWA, Chiaki , SUDOH, Akinori , TAKEUCHI, Masataka
IPC分类号： H01M4/58 , H01M4/02 , H01M4/62 , H01M10/40
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.

27. 发明授权

EP1961700B1 METHOD FOR PRODUCING GRAPHITE MATERIAL 有权转让
公开(公告)号：EP1961700B1
公开(公告)日：2019-06-26
申请号：EP06834048.8
申请日：2006-12-05
申请人： SHOWA DENKO K.K.
发明人： SUDOH, Akinori , TAKEUCHI, Masataka
IPC分类号： C01B32/205 , H01M4/587 , H01M10/0525

28. 发明公开

EP2908366A1 COMPOSITE CARBON PARTICLE AND LITHIUM-ION SECONDARY CELL USING SAME 审中-公开
标题翻译：碳复合粒子和锂离子二次电池，其
公开(公告)号：EP2908366A1
公开(公告)日：2015-08-19
申请号：EP13844916.0
申请日：2013-10-11
申请人： Showa Denko K.K.
发明人： TAKEUCHI, Masataka , YOKOYAMA, Yoshihito , SOTOWA, Chiaki
IPC分类号： H01M4/587 , H01M4/36 , H01M10/052 , H01M10/0565 , H01M10/0569
CPC分类号： H01M4/366 , H01M4/0402 , H01M4/0471 , H01M4/133 , H01M4/1393 , H01M4/587 , H01M10/0525 , H01M10/0565 , H01M10/0569 , H01M2004/027 , H01M2300/0028 , H01M2300/0082 , Y02P70/54 , Y02T10/7011
摘要： A composite carbon particle for use in a negative electrode of a lithium-ion secondary battery, the composite carbon particle comprising a core particle composed of a carbon material obtained by heating, at not higher than 2500 °C, petroleum coke having a Hardgrove grindability index (HGI value) of 30 to 60 (defined by ASTM D409), and a covering layer composed of a carbonaceous material obtained by heating an organic compound at 1000 °C to 2000 °C, wherein the composite carbon particle has a 50 % particle diameter (D50) of 1 µm to 30 µm in a volume-based cumulative particle size distribution as measured by laser diffraction method.

29. 发明授权

EP2282366B1 CARBON NEGATIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY, PRODUCTION METHOD THEREOF AND LITHIUM SECONDARY BATTERY USING THE SAME 有权
标题翻译：碳负极材料用于锂二次电池，工艺用于生产和锂二次电池
公开(公告)号：EP2282366B1
公开(公告)日：2013-12-11
申请号：EP09734880.9
申请日：2009-04-16
申请人： Posco Chemtech , Showa Denko K.K.
发明人： HAN, Kyung-Hee , OH, Jeong-Hun , KIM, Jong-Sung , YOUM, Chul , HAN, Jung-Min , TAKEUCHI, Masataka , SUDOH, Akinori , SOTOWA, Chiaki
IPC分类号： H01M4/36 , H01M4/587 , H01M4/133
CPC分类号： H01M4/587 , H01M4/133 , H01M4/362 , H01M10/052 , Y02E60/122 , Y02P70/54

30. 发明公开

EP2403802A1 COMPOSITE GRAPHITE PARTICLES AND LITHIUM SECONDARY BATTERY USING THE SAME 审中-公开
标题翻译： GRAPHITVERBUNDTEILCHEN UND LITHIUM-SEKUNDÄRBATTERIEDAMIT
公开(公告)号：EP2403802A1
公开(公告)日：2012-01-11
申请号：EP09841126.7
申请日：2009-03-02
申请人： Showa Denko K.K. , 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
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 I
D /I
G (R value) between the peak intensity (I
D ) in a range of 1300 to 1400 cm
-1 and the peak intensity ( I
G ) 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 I
D /I
G (R value) between the peak intensity (I
D ) in a range of 1300 to 1400 cm
-1 and the peak intensity ( I
G ) 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 I
110 /I
004 between the peak intensity (I
004 ) of face (110) and the peak intensity (I
004 ) 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/cm
3 .
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层间距离d（002）为0.337nm以下的石墨构成的芯材，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）和面（004）的峰强度（I004）之间的峰强度比I110 / I004与粘合剂，并以1.55-1.65g / cm3的密度加压成型。

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