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

US07425285B2 Electrode material for lithium secondary battery, electrode structure comprising the electrode material and secondary battery comprising the electrode structure 失效
公开(公告)号：US07425285B2
公开(公告)日：2008-09-16
申请号：US11797114
申请日：2007-05-01
申请人： Masaya Asao , Soichiro Kawakami , Takao Ogura
发明人： Masaya Asao , Soichiro Kawakami , Takao Ogura
IPC分类号： H01B1/04
CPC分类号： H01M4/134 , H01M4/1395 , H01M4/386 , H01M4/405 , H01M10/0525
摘要： There are provided an electrode material for a lithium secondary battery which comprises alloy particles comprising silicon as a major component and having an average particle diameter of 0.02 μm to 5 μm, wherein the size of a crystallite of the alloy is not less than 2 nm but no more than 500 nm and an intermetallic compound containing at least tin is dispersed in a silicon phase and an electrode material for a lithium secondary battery which comprises alloy particles comprising silicon as a major component and having an average particle diameter of 0.02 μm to 5 μm, wherein the size of a crystallite of the alloy is not less than 2 nm but no more than 500 nm and an at least one intermetallic compound containing at least one element selected from the group consisting of aluminum, zinc, indium, antimony, bismuth and lead is dispersed in a silicon phase. Thereby, an electrode material for a lithium secondary battery, an electrode structure comprising the electrode material and a secondary battery comprising the electrode structure are provided in which a drop in capacity due to repeated charging/discharging is small, and the charge/discharge cycle life is improved.

2. 发明授权

US07141187B2 Electrode material for rechargeable lithium battery, electrode structural body comprising said electrode material, rechargeable lithium battery having said electrode structural body, process for the production of said electrode structural body, and process for the production of said rechargeable lithium battery 失效
公开(公告)号：US07141187B2
公开(公告)日：2006-11-28
申请号：US10300305
申请日：2002-11-20
申请人： Takeshi Kosuzu , Soichiro Kawakami , Masaya Asao , Hidetoshi Tsuzuki , Takao Ogura , Naoya Kobayashi
发明人： Takeshi Kosuzu , Soichiro Kawakami , Masaya Asao , Hidetoshi Tsuzuki , Takao Ogura , Naoya Kobayashi
IPC分类号： H01B1/04 , H01M4/36
CPC分类号： H01M4/134 , H01M4/0402 , H01M4/0471 , H01M4/1395 , H01M4/366 , H01M4/386 , H01M4/405 , H01M4/62 , H01M4/624 , H01M4/661 , H01M6/168 , H01M10/052 , H01M10/4235 , H01M2004/021 , Y10T29/49115
摘要： An electrode material for a rechargeable lithium battery, characterized in that said electrode material comprises a fine powder of a silicon-based material whose principal component is silicon element, said fine powder having an average particle size (R) in a range of 0.1 μm≦R

3. 发明授权

US07803199B2 Electrode structure for lithium secondary battery and secondary battery having such electrode structure 有权
标题翻译：具有这种电极结构的锂二次电池和二次电池的电极结构
公开(公告)号：US07803199B2
公开(公告)日：2010-09-28
申请号：US12573054
申请日：2009-10-02
申请人： Soichiro Kawakami , Akira Morita , Takao Ogura
发明人： Soichiro Kawakami , Akira Morita , Takao Ogura
IPC分类号： H01M4/82 , H01M4/60 , H01M4/62 , H01M4/58
CPC分类号： H01M4/134 , H01M4/1395 , H01M4/366 , H01M4/485 , H01M4/587 , H01M4/621 , H01M4/622 , H01M4/661 , Y10T29/10 , Y10T29/49115
摘要： An electrode structure for a lithium secondary battery including: a main active material layer including a metal powder selected from silicon, tin and an alloy thereof that can store and discharge lithium by electrochemical reaction, and a binder of an organic polymer; and a current collector. The main active material layer includes a powder of a support material for supporting the electron conduction of the main active material layer in addition to the metal powder and the powder of the support material are particles having a spherical, pseudo-spherical or pillar shape with an average particle size of 0.3 to 1.35 times the thickness of the main active material layer. The support material is one or more selected from graphite, oxides of transition metals and metals that do not electrochemically form alloy with lithium. Organic polymer compounded with a conductive polymer is used for the binder.
摘要翻译：一种锂二次电池用电极结构体，其特征在于，包括：主要活性物质层，其含有选自硅，锡及其合金中的金属粉末，其可以通过电化学反应储存和排出锂;以及有机聚合物的粘合剂; 和集电器。主活性物质层除了金属粉末以外还含有用于支撑主活性物质层的电子传导的载体材料的粉末，并且载体材料的粉末是具有球形，假球形或柱状的颗粒，其具有平均粒径为主活性物质层厚度的0.3〜1.35倍。载体材料是选自石墨，过渡金属的氧化物和不与锂电化学形成合金的金属中的一种或多种。与导电聚合物混合的有机聚合物用于粘合剂。

4. 发明申请

US20090061322A1 ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY AND ELECTRODE STRUCTURE HAVING THE ELECTRODE MATERIAL 审中-公开
标题翻译：用于锂二次电池的电极材料和具有电极材料的电极结构
公开(公告)号：US20090061322A1
公开(公告)日：2009-03-05
申请号：US12260056
申请日：2008-10-28
申请人： Soichiro Kawakami , Masaya Asao , Nobuyuki Suzuki , Yasuhiro Yamada , Takao Ogura
发明人： Soichiro Kawakami , Masaya Asao , Nobuyuki Suzuki , Yasuhiro Yamada , Takao Ogura
IPC分类号： H01M4/58
CPC分类号： H01M10/052 , H01M4/386 , Y02T10/7011
摘要： The electrode material for a lithium secondary battery according to the present invention includes particles of a solid state alloy having silicon as a main component, wherein the particles of the solid state alloy have a microcrystal or amorphous material including an element other than silicon, dispersed in microcrystalline silicon or amorphized silicon. The solid state alloy preferably contains a pure metal or a solid solution. The composition of the alloy preferably has an element composition in which the alloy is completely mixed in a melted liquid state, whereby the alloy has a single phase in a melted liquid state without presence of two or more phases. The element composition can be determined by the kind of elements constituting the alloy and an atomic ratio of the elements.
摘要翻译：根据本发明的用于锂二次电池的电极材料包括以硅为主要成分的固态合金颗粒，其中固态合金的颗粒具有微晶或非晶材料，其包含除了硅之外的元素，分散在微晶硅或非晶硅。固态合金优选含有纯金属或固溶体。合金的组成优选具有其中合金在熔融液态完全混合的元素组成，由此合金具有熔融液态中的单相，而不存在两相或更多相。元素组成可以通过构成合金的元素的种类和元素的原子比来确定。

5. 发明申请

US20060237697A1 Electrode material for rechargeable lithium battery, electrode structural body comprising said electrode material, rechargeable lithium battery having said electrode structural body, process for the production of said electrode structural body, and process for the production of said rechargeable lithium battery 失效
公开(公告)号：US20060237697A1
公开(公告)日：2006-10-26
申请号：US11471689
申请日：2006-06-21
申请人： Takeshi Kosuzu , Soichiro Kawakami , Masaya Asao , Hidetoshi Tsuzuki , Takao Ogura , Naoya Kobayashi
发明人： Takeshi Kosuzu , Soichiro Kawakami , Masaya Asao , Hidetoshi Tsuzuki , Takao Ogura , Naoya Kobayashi
IPC分类号： H01B1/12
CPC分类号： H01M4/134 , H01M4/0402 , H01M4/0471 , H01M4/1395 , H01M4/366 , H01M4/386 , H01M4/405 , H01M4/62 , H01M4/624 , H01M4/661 , H01M6/168 , H01M10/052 , H01M10/4235 , H01M2004/021 , Y10T29/49115
摘要： An electrode material for a rechargeable lithium battery, characterized in that said electrode material comprises a fine powder of a silicon-based material whose principal component is silicon element, said fine powder having an average particle size (R) in a range of 0.1 μm≦R

6. 发明申请

US20060040182A1 Electrode material for lithium secondary battery and electrode structure having the electrode material 审中-公开
标题翻译：用于锂二次电池的电极材料和具有电极材料的电极结构
公开(公告)号：US20060040182A1
公开(公告)日：2006-02-23
申请号：US10541222
申请日：2004-03-24
申请人： Soichiro Kawakami , Masaya Asao , Nobuyuki Suzuki , Yasuhiro Yamada , Takao Ogura
发明人： Soichiro Kawakami , Masaya Asao , Nobuyuki Suzuki , Yasuhiro Yamada , Takao Ogura
IPC分类号： H01M4/58 , H01M4/38
CPC分类号： H01M10/052 , H01M4/386 , Y02T10/7011
摘要： The electrode material for a lithium secondary battery according to the present invention includes particles of a solid state alloy having silicon as a main component, wherein the particles of the solid state alloy have a microcrystal or amorphous material including an element other than silicon, dispersed in microcrystalline silicon or amorphized silicon. The solid state alloy preferably contains a pure metal or a solid solution. The composition of the alloy preferably has an element composition in which the alloy is completely mixed in a melted liquid state, whereby the alloy has a single phase in a melted liquid state without presence of two or more phases. The element composition can be determined by the kind of elements constituting the alloy and an atomic ratio of the elements.
摘要翻译：根据本发明的用于锂二次电池的电极材料包括以硅为主要成分的固态合金颗粒，其中固态合金的颗粒具有微晶或非晶材料，其包含除了硅之外的元素，分散在微晶硅或非晶硅。固态合金优选含有纯金属或固溶体。合金的组成优选具有其中合金在熔融液态完全混合的元素组成，由此合金具有熔融液态中的单相，而不存在两相或更多相。元素组成可以通过构成合金的元素的种类和元素的原子比来确定。

7. 发明申请

US20100323098A1 ELECTRODE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, ELECTRODE STRUCTURAL BODY COMPRISING SAID ELECTRODE MATERIAL, RECHARGEABLE LITHIUM BATTERY HAVING SAID ELECTRODE STRUCTURAL BODY, PROCESS FOR THE PRODUCTION OF SAID ELECTRODE STRUCTURAL BODY, AND PROCESS FOR THE PRODUCTION OF SAID RECHARGEABLE LITHIUM BATTERY 审中-公开
标题翻译：用于充电锂电池的电极材料，包含电极材料的电极结构体，具有电极结构体的可充电锂电池，用于生产电极结构体的方法以及生产可充电锂电池的方法
公开(公告)号：US20100323098A1
公开(公告)日：2010-12-23
申请号：US12873022
申请日：2010-08-31
申请人： Takeshi Kosuzu , Soichiro Kawakami , Masaya Asao , Hidetoshi Tsuzuki , Takao Ogura , Naoya Kobayashi
发明人： Takeshi Kosuzu , Soichiro Kawakami , Masaya Asao , Hidetoshi Tsuzuki , Takao Ogura , Naoya Kobayashi
IPC分类号： H01M4/04 , B05D5/12
CPC分类号： H01M4/134 , H01M4/0402 , H01M4/0471 , H01M4/1395 , H01M4/366 , H01M4/386 , H01M4/405 , H01M4/62 , H01M4/624 , H01M4/661 , H01M6/168 , H01M10/052 , H01M10/4235 , H01M2004/021 , Y10T29/49115
摘要： An electrode material for a rechargeable lithium battery, characterized in that said electrode material comprises a fine powder of a silicon-based material whose principal component is silicon element, said fine powder having an average particle size (R) in a range of 0.1 μm≦R
摘要翻译：一种用于可再充电锂电池的电极材料，其特征在于，所述电极材料包括主要成分为硅元素的硅基材料的细粉末，所述细粉末的平均粒径（R）在0.1μm＆amp; R <0.5μm。一种用于可再充电锂电池的电极结构体，具有包含所述硅基材料细粉末的电极材料层。一种可充电锂电池，其阳极包括所述电极结构体。

8. 发明申请

US20100021817A1 ELECTRODE STRUCTURE FOR LITHIUM SECONDARY BATTERY AND SECONDARY BATTERY HAVING SUCH ELECTRODE STRUCTURE 有权
标题翻译：用于锂二次电池的电极结构和具有这种电极结构的二次电池
公开(公告)号：US20100021817A1
公开(公告)日：2010-01-28
申请号：US12573054
申请日：2009-10-02
申请人： Soichiro Kawakami , Akira Morita , Takao Ogura
发明人： Soichiro Kawakami , Akira Morita , Takao Ogura
IPC分类号： H01M4/38 , H01M4/62 , H01M4/04
CPC分类号： H01M4/134 , H01M4/1395 , H01M4/366 , H01M4/485 , H01M4/587 , H01M4/621 , H01M4/622 , H01M4/661 , Y10T29/10 , Y10T29/49115
摘要： An electrode structure for a lithium secondary battery including: a main active material layer including a metal powder selected from silicon, tin and an alloy thereof that can store and discharge of lithium by electrochemical reaction, and a binder of an organic polymer; and a wherein the collector. The main active material layer includes a powder of a support material for supporting the electron conduction of the main active material layer in addition to the metal powder and the powder of the support material are particles having a spherical, pseudo-spherical or pillar shape with an average particle size of 0.3 to 1.35 times the thickness of the main active material layer. The support material is one or more selected from graphite, oxides of transition metals and metals that do not electrochemically form alloy with lithium. Organic polymer compounded with a conductive polymer is used for the binder.
摘要翻译：一种锂二次电池用电极结构体，其特征在于，包括：主要活性物质层，其含有选自硅，锡及其合金中的金属粉末，其可以通过电化学反应储存和排出锂，以及有机聚合物的粘合剂; 和其中所述收集器。主活性物质层除了金属粉末以外，还含有用于支撑主活性物质层的电子传导的载体材料的粉末，载体材料的粉末是具有球形，假球形或柱状的颗粒，其具有平均粒径为主活性物质层厚度的0.3〜1.35倍。载体材料是选自石墨，过渡金属的氧化物和不与锂电化学形成合金的金属中的一种或多种。与导电聚合物混合的有机聚合物用于粘合剂。

9. 发明授权

US07615314B2 Electrode structure for lithium secondary battery and secondary battery having such electrode structure 失效
标题翻译：具有这种电极结构的锂二次电池和二次电池的电极结构
公开(公告)号：US07615314B2
公开(公告)日：2009-11-10
申请号：US11296460
申请日：2005-12-08
申请人： Soichiro Kawakami , Akira Morita , Takao Ogura
发明人： Soichiro Kawakami , Akira Morita , Takao Ogura
IPC分类号： H01M4/58 , H01M4/62
CPC分类号： H01M4/134 , H01M4/1395 , H01M4/366 , H01M4/485 , H01M4/587 , H01M4/621 , H01M4/622 , H01M4/661 , Y10T29/10 , Y10T29/49115
摘要： An electrode structure for a lithium secondary battery including: a main active material layer including a metal powder selected from silicon, tin and an alloy thereof that can store and discharge lithium by electrochemical reaction, and a binder of an organic polymer; and a current collector. The main active material layer includes a powder of a support material for supporting the electron conduction of the main active material layer in addition to the metal powder and the powder of the support material are particles having a spherical, pseudo-spherical or pillar shape with an average particle size of 0.3 to 1.35 times the thickness of the main active material layer. The support material is one or more selected from graphite, oxides of transition metals and metals that do not electrochemically form alloy with lithium. Organic polymer compounded with a conductive polymer is used for the binder.
摘要翻译：一种锂二次电池用电极结构体，其特征在于，包括：主要活性物质层，其含有选自硅，锡及其合金中的金属粉末，其可以通过电化学反应储存和排出锂;以及有机聚合物的粘合剂; 和集电器。主活性物质层除了金属粉末以外，还含有用于支撑主活性物质层的电子传导的载体材料的粉末，载体材料的粉末是具有球形，假球形或柱状的颗粒，其具有平均粒径为主活性物质层厚度的0.3〜1.35倍。载体材料是选自石墨，过渡金属的氧化物和不与锂电化学形成合金的金属中的一种或多种。与导电聚合物混合的有机聚合物用于粘合剂。

10. 发明授权

US07458996B2 Rechargeable lithium battery and process for the production thereof 失效
标题翻译：可充电锂电池及其生产方法
公开(公告)号：US07458996B2
公开(公告)日：2008-12-02
申请号：US11227146
申请日：2005-09-16
申请人： Takao Ogura , Soichiro Kawakami
发明人： Takao Ogura , Soichiro Kawakami
IPC分类号： H01M2/02
CPC分类号： H01M10/052 , H01M2/0207 , H01M2/021 , H01M2/0215 , H01M2/0277 , H01M2/06 , H01M2/08 , H01M2/12 , H01M2/22 , H01M6/40 , H01M10/0436 , H01M10/05 , H01M10/0525 , Y02T10/7011 , Y10T29/49107 , Y10T29/49108 , Y10T29/4911 , Y10T29/49114
摘要： A thin rechargeable lithium battery having a battery main body enclosed between sealing members (a) and (b), at least sealing member (a) having a concave portion that extends to either side from a central position so as to have a peripheral collar portion (a-i) which surrounds the concave portion, sealing member (b) having a peripheral collar portion (b-i) corresponding to the collar portion (a-i) of sealing member (a) and the two sealing members (a) and (b) being opposingly arranged such that the face of said concave portion of sealing member (a) faces sealing member (b) through the battery main body, wherein collar portions (a-i) and (b-i) are mutually welded, and either sealing member (a) or (b) is provided with a power output terminal having electrical continuity with the battery main body and an insulating portion for insulating said terminal.
摘要翻译：一种薄型可再充电锂电池，其具有封闭在密封构件（a）和（b）之间的电池主体，至少具有从中心位置延伸到任一侧的凹部的密封构件（a），以具有周边环部（ai），密封构件（b）具有与密封构件（a）的凸缘部（ai）相对应的周边凸缘部（bi），并且两个密封构件（a）和（b）相对地所述密封部件（a）的所述凹部的表面通过所述电池主体面向密封部件（b），所述凸缘部（ai）和（bi）相互焊接，密封部件（a）或（ b）设置有与电池主体具有电连续性的电力输出端子和用于绝缘所述端子的绝缘部分。

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