专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US09312532B2 Negative electrode material for lithium ion secondary batteries, and method for producing same 有权
标题翻译：锂离子二次电池用负极材料及其制造方法
公开(公告)号：US09312532B2
公开(公告)日：2016-04-12
申请号：US13991529
申请日：2011-12-06
申请人： Tatsuo Umeno , Tadanori Tsunawaki , Koutarou Mizuma , Shinya Okabe , Shiroh Oie
发明人： Tatsuo Umeno , Tadanori Tsunawaki , Koutarou Mizuma , Shinya Okabe , Shiroh Oie
IPC分类号： H01M4/13 , H01M4/04 , H01M4/36 , H01M4/587 , H01M4/583 , C04B35/52 , C04B35/532 , C04B35/628 , H01M4/133 , H01M10/0525 , H01M4/02
CPC分类号： H01M4/0407 , C04B35/522 , C04B35/532 , C04B35/62839 , C04B2235/425 , C04B2235/528 , C04B2235/5436 , H01M4/133 , H01M4/366 , H01M4/583 , H01M4/587 , H01M10/0525 , H01M2004/021 , Y02T10/7011
摘要： A negative electrode material for lithium ion secondary batteries comprises amorphous coated particles that are composed of a plurality of consolidated particles having no specific shape, said consolidated particles being obtained by consolidating a plurality of primary spheroidized graphite particles, and 0.5-20% by mass of an amorphous carbon layer that covers the surfaces of the consolidated particles and binds the consolidated particles with each other; and 0.5-20% by mass of a highly crystalline carbon layer that is formed so as to cover the outer surfaces of the amorphous coated particles and has an interplanar distance ascribed to CVD processing of 0.335 nm or more but less than 0.3369 nm. The negative electrode material for lithium ion secondary batteries is also characterized by having a porosity of 5% by volume or less, and a method for producing the negative electrode material for lithium ion secondary batteries.
摘要翻译：锂离子二次电池用负极材料包括由多个没有特定形状的固结颗粒构成的无定形涂布颗粒，所述固化颗粒通过固化多个初级球状石墨颗粒和0.5-20质量％覆盖固结颗粒的表面并将固结颗粒彼此结合的无定形碳层; 和0.5-20质量％的高度结晶的碳层，其形成为覆盖非晶涂覆颗粒的外表面，并且具有归因于CVD加工的面间距离为0.335nm以上且小于0.3369nm。锂离子二次电池用负极材料的特征还在于具有5体积％以下的孔隙率，以及锂离子二次电池用负极材料的制造方法。

2. 发明申请

US20130309578A1 NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERIES, AND METHOD FOR PRODUCING SAME 有权
标题翻译：用于锂离子二次电池的负极电极材料及其制造方法
公开(公告)号：US20130309578A1
公开(公告)日：2013-11-21
申请号：US13991529
申请日：2011-12-06
申请人： Tatsuo Umeno , Tadanori Tsunawaki , Koutarou Mizuma , Shinya Okabe , Shiroh Oie
发明人： Tatsuo Umeno , Tadanori Tsunawaki , Koutarou Mizuma , Shinya Okabe , Shiroh Oie
IPC分类号： H01M4/04 , H01M4/583
CPC分类号： H01M4/0407 , C04B35/522 , C04B35/532 , C04B35/62839 , C04B2235/425 , C04B2235/528 , C04B2235/5436 , H01M4/133 , H01M4/366 , H01M4/583 , H01M4/587 , H01M10/0525 , H01M2004/021 , Y02T10/7011
摘要： A negative electrode material for lithium ion secondary batteries comprises amorphous coated particles that are composed of a plurality of consolidated particles having no specific shape, said consolidated particles being obtained by consolidating a plurality of primary spheroidized graphite particles, and 0.5-20% by mass of an amorphous carbon layer that covers the surfaces of the consolidated particles and binds the consolidated particles with each other; and 0.5-20% by mass of a highly crystalline carbon layer that is formed so as to cover the outer surfaces of the amorphous coated particles and has an interplanar distance ascribed to CVD processing of 0.335 nm or more but less than 0.3369 nm. The negative electrode material for lithium ion secondary batteries is also characterized by having a porosity of 5% by volume or less, and a method for producing the negative electrode material for lithium ion secondary batteries.
摘要翻译：锂离子二次电池用负极材料包括由多个没有特定形状的固结颗粒构成的无定形涂布颗粒，所述固化颗粒通过固化多个初级球状石墨颗粒和0.5-20质量％覆盖固结颗粒的表面并将固结颗粒彼此结合的无定形碳层; 和0.5-20质量％的高度结晶的碳层，其形成为覆盖非晶涂覆颗粒的外表面，并且具有归因于CVD加工的面间距离为0.335nm以上且小于0.3369nm。锂离子二次电池用负极材料的特征还在于具有5体积％以下的孔隙率，以及锂离子二次电池用负极材料的制造方法。

3. 发明授权

US06939526B2 Graphite particles and process for production thereof 有权
标题翻译：石墨颗粒及其生产方法
公开(公告)号：US06939526B2
公开(公告)日：2005-09-06
申请号：US10152789
申请日：2002-05-23
申请人： Kenji Fukuda , Tadanori Tsunawaki , Tatsuo Umeno , Kohei Murayama , Youichiro Hara
发明人： Kenji Fukuda , Tadanori Tsunawaki , Tatsuo Umeno , Kohei Murayama , Youichiro Hara
IPC分类号： C01B31/04 , H01M4/587 , H01M8/02 , H01M10/05
CPC分类号： H01M8/0226 , C01B32/20 , C01P2002/77 , C01P2004/54 , C01P2004/61 , C01P2006/11 , C01P2006/40 , H01M4/587 , H01M8/0213 , Y02P70/56
摘要： Graphite particles having a bent laminate structure inside each particle are produced by feeding, into an impact grinder, graphite particles having an average particle diameter of 5 mm or less together with a gas current to apply an impact to the graphite particles to form, by a compression force, a bent laminate structure inside each graphite particle. The resulting graphite particles have an average particle diameter of 100 μm or less, are low in anisotropy, have a nearly spherical shape, and are highly crystalline.
摘要翻译：通过将平均粒径为5mm以下的石墨颗粒与气流一起进料到冲击研磨机中，通过向石墨颗粒施加冲击以形成由压缩力，每个石墨颗粒内的弯曲层压结构。所得到的石墨粒子的平均粒径为100μm以下，各向异性低，呈近似球状，高结晶性。

4. 发明授权

US06770399B2 Composite material for anode of lithium secondary battery, and lithium secondary battery 有权
标题翻译：锂二次电池阳极复合材料和锂二次电池
公开(公告)号：US06770399B2
公开(公告)日：2004-08-03
申请号：US09999238
申请日：2001-10-31
申请人： Tatsuo Umeno , Kenji Fukuda , Tadanori Tsunawaki , Youichiro Hara
发明人： Tatsuo Umeno , Kenji Fukuda , Tadanori Tsunawaki , Youichiro Hara
IPC分类号： H01M448
CPC分类号： H01M4/366 , H01M4/0428 , H01M4/131 , H01M4/133 , H01M4/136 , H01M4/1391 , H01M4/1393 , H01M4/1397 , H01M4/386 , H01M4/525 , H01M4/625 , H01M10/0525
摘要： The present invention discloses a composite material for anode of lithium secondary battery, comprising: a porous particle nucleus formed by bonding of at least silicon-containing particles and carbon-containing particles, and a carbon-made covering layer formed thereon; and a process for producing such a composite material. The composite material has an average particle diameter of preferably 0.1 to 50 &mgr;m and a specific surface area of preferably 5 m2/g or less. In the composite material, the silicon content in the porous particle nucleus is 10 to 90% by mass.
摘要翻译：本发明公开了一种锂二次电池用阳极用复合材料，其特征在于，包括：通过至少含有含硅粒子和含碳粒子的结合而形成的多孔质粒子，以及形成在其上的碳制覆盖层。以及这种复合材料的制造方法。复合材料的平均粒径优选为0.1〜50μm，比表面积优选为5m 2 / g以下。在复合材料中，多孔粒子核中的硅含量为10〜90质量％。

5. 发明授权

US06884545B2 Anode material for lithium secondary battery, process for production thereof, and lithium secondary battery 有权
标题翻译：锂二次电池用阳极材料及其制造方法以及锂二次电池
公开(公告)号：US06884545B2
公开(公告)日：2005-04-26
申请号：US10163595
申请日：2002-06-07
申请人： Kenji Fukuda , Tadanori Tsunawaki , Tatsuo Umeno , Kohei Murayama , Yoshinori Yasumoto , Youichiro Hara
发明人： Kenji Fukuda , Tadanori Tsunawaki , Tatsuo Umeno , Kohei Murayama , Yoshinori Yasumoto , Youichiro Hara
IPC分类号： C01B31/04 , H01M4/02 , H01M4/36 , H01M4/587 , H01M10/05 , H01M4/58
CPC分类号： H01M4/1393 , H01M4/043 , H01M4/133 , H01M4/366 , H01M4/587 , H01M2004/021
摘要： An anode material for lithium secondary battery, which comprises graphite particles and a crystalline carbon coating layer formed thereon, wherein each graphite particle has a bent laminate structure inside, is produced by grinding a graphite of 5 mm or less in average particle diameter using an impact grinder to produce graphite particles of 100 μm or less in average particle diameter having a bent laminate structure inside each particle and then subjecting the graphite particles to chemical vapor deposition in a fluidized bed type reaction furnace to form a crystalline carbon coating layer on the graphite particles.
摘要翻译：一种用于锂二次电池的负极材料，其包括石墨颗粒和形成在其上的结晶碳涂层，其中每个石墨颗粒内部具有弯曲的层压结构，通过使用冲击平均粒径研磨5mm以下的石墨来制造研磨机，在每个颗粒内生产平均粒径为100μm以下的石墨颗粒，其具有弯曲的层叠结构，然后在流化床型反应炉中对石墨颗粒进行化学气相沉积，以在石墨颗粒上形成结晶碳涂层。

6. 发明授权

US06432583B1 Anode material for lithium secondary battery, process for production thereof, and lithium secondary battery 失效
标题翻译：锂二次电池用阳极材料及其制造方法以及锂二次电池
公开(公告)号：US06432583B1
公开(公告)日：2002-08-13
申请号：US09492453
申请日：2000-01-27
申请人： Kenji Fukuda , Youichiro Hara , Tatsuo Umeno , Takashi Hiruta , Yoshinori Yasumoto , Tadanori Tsunawaki , Katsusuke Iwanaga , Osamu Matsunaga
发明人： Kenji Fukuda , Youichiro Hara , Tatsuo Umeno , Takashi Hiruta , Yoshinori Yasumoto , Tadanori Tsunawaki , Katsusuke Iwanaga , Osamu Matsunaga
IPC分类号： H01M448
CPC分类号： H01M4/133 , H01M4/587 , H01M10/0525
摘要： According to the present invention, there are disclosed: a process for producing an anode material for lithium secondary battery, comprising graphite particles and a crystalline carbon layer covering the whole surfaces of the graphite particles, wherein the whole surfaces of the graphite particles are covered with a carbon layer in a state that the surfaces of the graphite particles and the carbon 002 plane of the carbon layer are parallel, which process comprises subjecting graphite particles to a treatment for chemical vapor deposition in a fluidized bed type reactor at 900 to 1,200° C., using a mixed gas consisting of an organic substance gas and an inert gas, the molar concentration of the organic substance gas in the mixed gas being 2 to 50%; and an anode material for lithium secondary battery, produced by the above process.
摘要翻译：根据本发明，公开了一种锂二次电池用负极材料的制造方法，其特征在于，包括石墨粒子和覆盖所述石墨粒子的整个表面的结晶碳层，所述石墨粒子的整个表面被覆盖石墨颗粒表面和碳层的碳002平面平行的状态的碳层，该方法包括使石墨颗粒在流化床型反应器中在900-1200℃下进行化学气相沉积处理使用由有机物质气体和惰性气体构成的混合气体时，混合气体中的有机物气体的摩尔浓度为2〜50％。和通过上述方法制备的用于锂二次电池的阳极材料。

7. 发明授权

US06383686B1 Anode material for lithium secondary battery, lithium secondary battery using said anode material, and method for charging of said secondary battery 失效
标题翻译：锂二次电池用阳极材料，使用所述负极材料的锂二次电池以及所述二次电池的充电方法
公开(公告)号：US06383686B1
公开(公告)日：2002-05-07
申请号：US09488714
申请日：2000-01-21
申请人： Tatsuo Umeno , Kenji Fukuda , Tadanori Tsunawaki , Takashi Hiruta , Yoshinori Yasumoto , Youichiro Hara , Osamu Matsunaga
发明人： Tatsuo Umeno , Kenji Fukuda , Tadanori Tsunawaki , Takashi Hiruta , Yoshinori Yasumoto , Youichiro Hara , Osamu Matsunaga
IPC分类号： H01M402
CPC分类号： H01M10/44 , H01M4/38
摘要： The present invention discloses an anode material for lithium secondary battery, comprising a particulate core composed of a metal or semimetal capable of forming a lithium alloy and a carbon layer covering the surface of the particulate core; a lithium secondary battery using said anode material; and a method for discharging of said secondary battery.
摘要翻译：本发明公开了一种锂二次电池用负极材料，其特征在于，包括由能够形成锂合金的金属或半金属构成的微粒芯和覆盖所述粒状核的表面的碳层。使用所述阳极材料的锂二次电池; 以及所述二次电池的放电方法。

8. 发明授权

US08329136B2 Graphite particle, carbon-graphite composite particle and their production processes 有权
标题翻译：石墨颗粒，碳 - 石墨复合颗粒及其生产工艺
公开(公告)号：US08329136B2
公开(公告)日：2012-12-11
申请号：US12086432
申请日：2006-12-13
申请人： Tatsuo Umeno , Takashi Iwao
发明人： Tatsuo Umeno , Takashi Iwao
IPC分类号： C01B31/04 , H01M4/133
CPC分类号： H01M4/583 , C01B32/20 , C04B35/62839 , C04B35/62884 , C04B2235/425 , C04B2235/528 , C04B2235/5292 , C04B2235/5296 , C04B2235/5409 , C04B2235/5436 , H01M4/366 , H01M10/0525 , Y10T29/49108 , Y10T428/2982
摘要： The present invention relates to a graphite particle and a carbon-graphite composite particle both suitable for use in electrode for lithium ion secondary battery, as well as to processes for producing these particles. The graphite particle of the present invention has an average particle diameter of 5 to 50 μm, wherein one or more recesses having a depth of 0.1 to 10 μm are formed in the surface. The graphite particle is produced by a mixing step for mixing raw material graphite particles and recess-forming particles, a press molding step for press-molding the mixture composed of the raw material graphite particles and the recess-forming particles to obtain a molded article, a pulverization step for pulverizing the molded article, and a separation step for separating and removing the recess-forming particles from the pulverized molded article. The carbon-graphite composite particle of the present invention is produced by performing a thermal CVD step which comprises covering the surface of the above-mentioned graphite particle with a carbon layer.
摘要翻译：本发明涉及一种适用于锂离子二次电池用电极的石墨粒子和碳 - 石墨复合粒子，以及这些粒子的制造方法。本发明的石墨粒子的平均粒径为5〜50μm，在表面形成有深度为0.1〜10μm的一个以上的凹部。石墨颗粒通过混合原料石墨颗粒和凹陷形成颗粒的混合步骤制备，压制成型步骤，用于将由原料石墨颗粒和凹陷形成颗粒组成的混合物压制成型，用于粉碎模制品的粉碎步骤和用于从粉碎的模制品分离和去除凹陷形成颗粒的分离步骤。本发明的碳 - 石墨复合颗粒通过进行热CVD步骤来制造，所述热CVD步骤包括用碳层覆盖上述石墨颗粒的表面。

9. 发明申请

US20090258298A1 Graphite Particle, Carbon-Graphite Composite Particle and Their Production Processes 有权
标题翻译：石墨颗粒，碳石墨复合颗粒及其生产工艺
公开(公告)号：US20090258298A1
公开(公告)日：2009-10-15
申请号：US12086432
申请日：2006-12-13
申请人： Tatsuo Umeno , Takashi Iwao
发明人： Tatsuo Umeno , Takashi Iwao
IPC分类号： C01B31/04 , B32B5/16 , B05D5/12 , H01M4/58
CPC分类号： H01M4/583 , C01B32/20 , C04B35/62839 , C04B35/62884 , C04B2235/425 , C04B2235/528 , C04B2235/5292 , C04B2235/5296 , C04B2235/5409 , C04B2235/5436 , H01M4/366 , H01M10/0525 , Y10T29/49108 , Y10T428/2982
摘要： The present invention relates to a graphite particle and a carbon-graphite composite particle both suitable for use in electrode for lithium ion secondary battery, as well as to processes for producing these particles.The graphite particle of the present invention has an average particle diameter of 5 to 50 μm, wherein one or more recesses having a depth of 0.1 to 10 μm are formed in the surface. The graphite particle is produced by a mixing step for mixing raw material graphite particles and recess-forming particles, a press molding step for press-molding the mixture composed of the raw material graphite particles and the recess-forming particles to obtain a molded article, a pulverization step for pulverizing the molded article, and a separation step for separating and removing the recess-forming particles from the pulverized molded article. The carbon-graphite composite particle of the present invention is produced by performing a thermal CVD step which comprises covering the surface of the above-mentioned graphite particle with a carbon layer.
摘要翻译：本发明涉及一种适用于锂离子二次电池用电极的石墨粒子和碳 - 石墨复合粒子，以及这些粒子的制造方法。本发明的石墨粒子的平均粒径为5〜50μm，在表面形成有深度为0.1〜10μm的一个以上的凹部。石墨颗粒通过混合原料石墨颗粒和凹陷形成颗粒的混合步骤制备，压制成型步骤，用于将由原料石墨颗粒和凹陷形成颗粒组成的混合物压制成型，用于粉碎模制品的粉碎步骤和用于从粉碎的模制品分离和去除凹陷形成颗粒的分离步骤。本发明的碳 - 石墨复合颗粒通过进行热CVD步骤来制造，所述热CVD步骤包括用碳层覆盖上述石墨颗粒的表面。

10. 发明申请

US20060238958A1 Positive electrode for electric double layer capacitors and method for the production thereof 审中-公开
标题翻译：双电层电容器用正极及其制造方法
公开(公告)号：US20060238958A1
公开(公告)日：2006-10-26
申请号：US11410330
申请日：2006-04-24
申请人： Hitoshi Nakamura , Keiichi Hayashi , Hidetoshi Ohta , Taiji Nakagawa , Masaki Yoshio , Tatsuo Umeno
发明人： Hitoshi Nakamura , Keiichi Hayashi , Hidetoshi Ohta , Taiji Nakagawa , Masaki Yoshio , Tatsuo Umeno
IPC分类号： H01G9/155 , H01G9/042 , H01G9/038 , H01B1/04
CPC分类号： H01M4/583 , H01G9/155 , H01M2004/028 , Y02E60/13
摘要： The objects of the present invention are to improve characteristics of electric double layer capacitors, such as energy density and charge-and-discharge rate, and to provide a positive electrode for electric double layer capacitors useful for the foregoing object, and a simple method for its production. Disclosed is a positive electrode for electric double layer capacitors comprising graphite-carbon composite particles, the graphite-carbon composite particle being composed of a graphite particle and a carbon layer covering the graphite particle.
摘要翻译：本发明的目的是提高诸如能量密度和充放电速率的双电层电容器的特性，并且提供一种用于上述目的的双电层电容器用正极，以及简单的方法其生产。公开了一种包括石墨 - 碳复合颗粒的双电层电容器用正极，石墨 - 碳复合颗粒由石墨颗粒和覆盖石墨颗粒的碳层组成。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式