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11. 发明授权

US09531008B2 Positive electrode for a lithium battery and lithium battery employing the same 有权
标题翻译：用于锂电池的正极和使用其的锂电池
公开(公告)号：US09531008B2
公开(公告)日：2016-12-27
申请号：US11660280
申请日：2005-08-12
申请人： Masataka Takeuchi , Chiaki Sotowa
发明人： Masataka Takeuchi , Chiaki Sotowa
IPC分类号： H01M4/62 , H01M4/58 , H01M4/48 , H01M4/131 , H01M4/505 , H01M4/525 , H01M10/052 , H01M4/133 , H01M4/1391 , H01M4/1393 , H01M4/02 , H01M10/42
CPC分类号： H01M4/625 , H01M4/131 , H01M4/133 , H01M4/1391 , H01M4/1393 , H01M4/505 , H01M4/525 , H01M10/052 , H01M2004/021 , H01M2010/4292 , Y02E60/122
摘要： The present invention relates to a lithium battery positive electrode comprising an active substance that can occlude and release lithium ion, a carbon-based conductivity enhancer, and a binder, characterized in that the positive electrode contains the carbon-based conductivity enhancer in an amount of 0.1 to 2 mass % on the basis of the entire mass of the positive electrode, and that the carbon-based conductivity enhancer contains a carbon fiber having a mean fiber diameter of 1 to 200 nm, wherein the active substance that can occlude and release lithium ion is contained in an amount, as calculated from the true density of the active substance, of 70% by volume or more on the basis of the total volume of the positive electrode; and relates to a lithium battery using the a lithium battery positive electrode.The positive electrode obtained by the present invention has an excellent electrolyte permeability and electrolyte retention. Therefore, it is better adapted to high-density lithium battery.
摘要翻译：通过本发明获得的正极具有优异的电解质渗透性和电解质保留性。因此，它更适合高密度锂电池。

12. 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。

13. 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。

14. 发明授权

US08999580B2 Composite graphite particles and lithium rechargeable battery using the same 有权
标题翻译：复合石墨颗粒和锂可充电电池使用相同
公开(公告)号：US08999580B2
公开(公告)日：2015-04-07
申请号：US12097001
申请日：2006-12-20
申请人： Chiaki Sotowa , Masataka Takeuchi
发明人： Chiaki Sotowa , Masataka Takeuchi
IPC分类号： H01M4/13 , H01M4/58 , H01M10/0525 , H01M4/133 , H01M4/587 , H01M10/0569 , H01M4/02
CPC分类号： H01M10/0525 , H01M4/133 , H01M4/587 , H01M10/0569 , H01M2004/021 , Y02E60/122 , Y02P70/54 , Y02T10/7011 , Y10T428/2991
摘要： The invention provides composite graphite particles, comprising a core material consisting of graphite having a interlayer distance d(002) of 0.337 nm or less and a surface layer consisting of graphite in which the intensity ratio ID/IG (R value) between the peak intensities (ID) in a range of 1300 to 1400 cm−1 and ( IG) in a range of 1580 to 1620 cm−1 as measured by Raman scattering spectroscopy is 0.3 or higher, wherein the peak intensity ratio I110/I004 between the peak intensities (I110)of face (110) and (I004)of face (004) obtained by XRD measurement on the graphite crystal is 0.15 or higher when the graphite has been mixed with a binder and pressure-molded to a density of 1.55 to 1.65 g/cm3, which composite graphite particles are useful in a secondary battery negative electrode having a high capacity, high charge/discharge characteristics and an excellent charging property, and also provides a paste for negative electrode, a negative electrode and a lithium secondary battery using the composite graphite.
摘要翻译：本发明提供复合石墨颗粒，其包含由石墨构成的芯材，其中层间距离d（002）为0.337nm或更小，以及由石墨组成的表面层，其中峰强度之间的强度比ID / IG（R值）通过拉曼散射光谱法测定的范围为1300〜1400cm -1的范围（（IG））为1580〜1620cm -1的范围（IG）为0.3以上，峰强度之间的峰强度比I110 / I004 当将石墨与粘合剂混合并加压成型为1.55至1.65克的密度时，在石墨晶体上通过XRD测量获得的面（004）的面（110）和（I004）的（I110）为0.15以上 / cm3，该复合石墨颗粒可用于具有高容量，高充电/放电特性和优异的充电特性的二次电池负极中，并且还提供负极，负极和锂二次电池用糊料使用复合石墨。

15. 发明授权

US08388922B2 Negative electrode material for lithium battery, and lithium battery 有权
标题翻译：锂电池负极材料和锂电池
公开(公告)号：US08388922B2
公开(公告)日：2013-03-05
申请号：US13089588
申请日：2011-04-19
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： H01M4/04 , H01M4/583 , H01M4/62
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 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 thickener such as carboxymethyl cellulose in the amount of 0.3 to 3 mass %.
摘要翻译：本发明涉及锂电池用负极材料，其包含比表面积为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; 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％。

16. 发明授权

US08003257B2 Method for producing anode for lithium secondary battery and anode composition, and lithium secondary battery 有权
标题翻译：锂二次电池阳极和阳极组合物的制造方法以及锂二次电池
公开(公告)号：US08003257B2
公开(公告)日：2011-08-23
申请号：US11994520
申请日：2006-07-03
申请人： Masataka Takeuchi , Chiaki Sotowa
发明人： Masataka Takeuchi , Chiaki Sotowa
IPC分类号： H01M4/58
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。

17. 发明申请

US20090123850A1 METHOD FOR PRODUCING ANODE FOR LITHIUM SECONDARY BATTERY AND ANODE COMPOSITION, AND LITHIUM SECONDARY BATTERY 有权
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：US20090123850A1
公开(公告)日：2009-05-14
申请号：US11994520
申请日：2006-07-03
申请人： Masataka Takeuchi , Chiaki Sotowa
发明人： Masataka Takeuchi , Chiaki Sotowa
IPC分类号： H01M6/16 , H01M4/24 , D02G3/02
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的阳极，其包括使用天然石墨或人造石墨在阳极活性材料中形成均匀分散的气相生长碳纤维而不形成10um以上的聚集体，该阳极具有优异的循环寿命和大的电流特性。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。

18. 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。

19. 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。

20. 发明申请

US20090202917A1 COMPOSITE GRAPHITE PARTICLES AND LITHIUM RECHARGEABLE BATTERY USING THE SAME 有权
标题翻译：使用相同的复合石墨颗粒和锂可充电电池
公开(公告)号：US20090202917A1
公开(公告)日：2009-08-13
申请号：US12097001
申请日：2006-12-20
申请人： Chiaki Sotowa , Masataka Takeuchi
发明人： Chiaki Sotowa , Masataka Takeuchi
IPC分类号： H01M6/18 , H01M4/58 , H01M6/16 , C08F6/00 , B32B1/00
CPC分类号： H01M10/0525 , H01M4/133 , H01M4/587 , H01M10/0569 , H01M2004/021 , Y02E60/122 , Y02P70/54 , Y02T10/7011 , Y10T428/2991
摘要： The invention provides composite graphite particles, comprising a core material consisting of graphite having a interlayer distance d(002) of 0.337 nm or less and a surface layer consisting of graphite in which the intensity ratio ID/IG (R value) between the peak intensities (ID) in a range of 1300 to 1400 cm−1 and ( IG) in a range of 1580 to 1620 cm−1 as measured by Raman scattering spectroscopy is 0.3 or higher, wherein the peak intensity ratio I110/I004 between the peak intensities (I110)of face (110) and (I004)of face (004) obtained by XRD measurement on the graphite crystal is 0.15 or higher when the graphite has been mixed with a binder and pressure-molded to a density of 1.55 to 1.65 g/cm3, which composite graphite particles are useful in a secondary battery negative electrode having a high capacity, high charge/discharge characteristics and an excellent charging property, and also provides a paste for negative electrode, a negative electrode and a lithium secondary battery using the composite graphite.
摘要翻译：本发明提供复合石墨颗粒，其包含由石墨构成的芯材，其中层间距离d（002）为0.337nm或更小，以及由石墨组成的表面层，其中峰强度之间的强度比ID / IG（R值）通过拉曼散射光谱法测定的范围为1300〜1400cm -1的范围（（IG））为1580〜1620cm -1的范围（IG）为0.3以上，峰强度之间的峰强度比I110 / I004 当将石墨与粘合剂混合并加压成型为1.55至1.65克的密度时，在石墨晶体上通过XRD测量获得的面（004）的面（110）和（I004）的（I110）为0.15以上 / cm3，该复合石墨颗粒可用于具有高容量，高充电/放电特性和优异的充电性能的二次电池负极中，并且还提供负极，负极和锂二次电池用途的糊 g复合石墨。

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