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

US08012625B2 Non-aqueous electrolyte secondary cell 有权
标题翻译：非水电解质二次电池
公开(公告)号：US08012625B2
公开(公告)日：2011-09-06
申请号：US11941252
申请日：2007-11-16
申请人： Satoshi Yamamoto , Nobumichi Nishida
发明人： Satoshi Yamamoto , Nobumichi Nishida
IPC分类号： H01M4/48
CPC分类号： H01M4/5825 , H01M4/131 , H01M4/364 , H01M4/525 , H01M4/628 , H01M10/4235 , H01M2004/027
摘要： The present invention aims to provide a non-aqueous electrolyte secondary cell having high capacity and capable of preventing elution of cobalt and decomposition of the electrolyte. This aim can be accomplished by providing a non-aqueous electrolyte secondary cell comprising a positive electrode having a positive electrode active material, an negative electrode having an negative electrode active material, and non-aqueous electrolyte, wherein the positive electrode active material comprises lithium cobalt oxide to which at least one material selected from the group consisting of Mg, Al, Ti, and Zr was added, and the positive electrode comprises lithium phosphate.
摘要翻译：本发明旨在提供一种具有高容量且能够防止钴的析出和电解质分解的非水电解质二次电池。该目的可以通过提供一种非水电解质二次电池，其包括具有正极活性物质的正极，具有负极活性物质的负极和非水电解质，其中，所述正极活性物质包含锂钴氧化物，其中添加了选自Mg，Al，Ti和Zr中的至少一种材料，并且正极包含磷酸锂。

2. 发明授权

US07438991B2 Nonaqueous electrolyte secondary cell and method for charging same 有权
标题翻译：非水电解质二次电池及其充电方法
公开(公告)号：US07438991B2
公开(公告)日：2008-10-21
申请号：US11288355
申请日：2005-11-29
申请人： Nobumichi Nishida , Hidetoshi Inoue
发明人： Nobumichi Nishida , Hidetoshi Inoue
IPC分类号： H01M4/48
CPC分类号： H01M10/0569 , H01M4/366 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M2010/4292
摘要： The invention provides a non-aqueous electrolyte secondary cell that has high capacity and excels in cycle characteristics. The non-aqueous electrolyte secondary cell functions stably at a high potential of from 4.4 to 4.6 V with respect to lithium and inhibits the decomposition of the electrolytic solution at high potential. This is accomplished as follows. The non-aqueous electrolyte secondary cell has a positive electrode having a positive electrode active material; a negative electrode having a negative electrode active material; and a non-aqueous electrolyte having a non-aqueous solvent and electrolytic salt. The positive electrode active material has: lithium cobalt compound oxide having added therein at least zirconium and magnesium; and lithium-nickel-manganese compound oxide having a layered structure. The positive electrode active material has a potential of from 4.4 to 4.6 V with respect to lithium. The non-aqueous solvent contains diethyl carbonate of 10 vol. % or higher at 25° C.
摘要翻译：本发明提供一种具有高容量且循环特性优异的非水电解质二次电池。该非水电解质二次电池在相对于锂的4.4〜4.6V的高电位下稳定地发挥作用，并且抑制电解液在高电位下的分解。这是完成如下。非水电解质二次电池具有正极，具有正极活性物质; 负极，具有负极活性物质; 和具有非水溶剂和电解质盐的非水电解质。正极活性物质具有至少添加有锆和镁的锂钴复合氧化物; 和具有层状结构的锂镍锰复合氧化物。正极活性物质相对于锂具有4.4〜4.6V的电位。非水溶剂含有10体积％的碳酸二乙酯。 25℃以下％以上

3. 发明申请

US20050147892A1 Non-aqueous electrolyte secondary cell 有权
标题翻译：非水电解质二次电池
公开(公告)号：US20050147892A1
公开(公告)日：2005-07-07
申请号：US11010384
申请日：2004-12-14
申请人： Nobumichi Nishida , Shinya Miyazaki
发明人： Nobumichi Nishida , Shinya Miyazaki
IPC分类号： H01M4/525 , H01M6/16 , H01M10/05 , H01M10/0525 , H01M10/0569 , H01M10/058 , H01M10/44 , H01M10/40 , H01M4/52
CPC分类号： H01M4/525 , H01M4/0435 , H01M4/485 , H01M10/0525 , H01M10/0569 , H01M10/0587 , H01M10/44 , H01M2300/004
摘要： The present invention improves the cycle characteristics of a non-aqueous electrolyte secondary cell that uses lithium cobalt oxide as a positive electrode active material. To this end, an element different from cobalt such as zirconium and titanium is added to the lithium cobalt oxide, acting as the positive electrode active material. The non-aqueous electrolyte contains a non-aqueous solvent containing diethyl carbonate at 10 to 30 volume percent on a base of 25 degree Celcius and contains an electrolyte salt.
摘要翻译：本发明改善了使用钴酸锂作为正极活性物质的非水电解质二次电池的循环特性。为此，向作为正极活性物质的钴酸锂中添加不同于钴，如锆和钛的元素。非水电解质含有在25℃的碱下10体积％至30体积％的碳酸二乙酯的非水溶剂，并含有电解质盐。

4. 发明授权

US07939207B2 Non-aqueous electrolyte lithium ion secondary cell with improved cycle characteristics and method for fabricating the same 有权
标题翻译：具有改善循环特性的非水电解质锂离子二次电池及其制造方法
公开(公告)号：US07939207B2
公开(公告)日：2011-05-10
申请号：US11010384
申请日：2004-12-14
申请人： Nobumichi Nishida , Shinya Miyazaki
发明人： Nobumichi Nishida , Shinya Miyazaki
IPC分类号： H01M6/16
CPC分类号： H01M4/525 , H01M4/0435 , H01M4/485 , H01M10/0525 , H01M10/0569 , H01M10/0587 , H01M10/44 , H01M2300/004
摘要： The present invention improves the cycle characteristics of a non-aqueous electrolyte secondary cell that uses lithium cobalt oxide as a positive electrode active material. To this end, an element different from cobalt such as zirconium and titanium is added to the lithium cobalt oxide, acting as the positive electrode active material. The non-aqueous electrolyte contains a non-aqueous solvent containing diethyl carbonate at 10 to 30 volume percent on a base of 25 degree Celsius and contains an electrolyte salt.
摘要翻译：本发明改善了使用钴酸锂作为正极活性物质的非水电解质二次电池的循环特性。为此，向作为正极活性物质的钴酸锂中添加不同于钴，如锆和钛的元素。该非水电解质含有含有10至30体积％的碳酸二乙酯和25℃的非水溶剂，并含有电解质盐。

5. 发明申请

US20060204852A1 Nonaqueous electrolytic secondary battery and method of manufacturing the same 有权
公开(公告)号：US20060204852A1
公开(公告)日：2006-09-14
申请号：US11429259
申请日：2006-05-08
申请人： Nobumichi Nishida , Shinya Miyazaki , Masatoshi Takahashi
发明人： Nobumichi Nishida , Shinya Miyazaki , Masatoshi Takahashi
IPC分类号： H01M4/58 , H01M4/52 , H01M4/50 , C01B11/00
CPC分类号： H01M4/485 , C01G45/1242 , C01G51/42 , C01P2002/32 , C01P2002/52 , C01P2002/54 , C01P2002/60 , C01P2006/12 , C01P2006/40 , C01P2006/80 , H01M4/1315 , H01M4/133 , H01M4/13915 , H01M4/525 , H01M4/582 , H01M4/661 , H01M10/0525 , H01M2004/021 , Y10T29/49108
摘要： In a nonaqueous electrolytic secondary battery according to the invention, hexagonal system lithium containing cobalt composite oxide having a crystallite size in a (110) vector direction of 1000 Å or more and having a halogen compound added thereto by burning at time of synthesis is used as a positive electrode active material. By measuring a pH value of a filtrate obtained by dispersing, in water, the lithium containing cobalt composite oxide having the halogen compound added thereto by the burning at time of the synthesis and a crystallite size in the (110) vector direction of 1000 Å or more, a value of 9.6 to 10.1 is obtained. By using the lithium containing cobalt composite oxide as a positive electrode active material, a high temperature cycle property can be enhanced.

6. 发明授权

US06919144B2 Nonaqueous electrolyte secondary cell and method of manufacturing the same 有权
标题翻译：非水电解质二次电池及其制造方法
公开(公告)号：US06919144B2
公开(公告)日：2005-07-19
申请号：US10305059
申请日：2002-11-27
申请人： Shinya Miyazaki , Nobumichi Nishida
发明人： Shinya Miyazaki , Nobumichi Nishida
IPC分类号： H01M4/36 , H01M4/02 , H01M4/131 , H01M4/38 , H01M4/52 , H01M4/525 , H01M10/052 , H01M10/36 , H01M4/58
CPC分类号： H01M4/525 , H01M4/131 , H01M4/38 , H01M4/388 , H01M10/052 , H01M2004/028 , Y10T29/49108
摘要： The present invention provides a nonaqueous electrolyte secondary cell having a positive electrode comprising mainly of a positive electrode active material, a negative electrode, and a nonaqueous electrolyte. The positive electrode active material is a lithium-containing transition metal composite oxide of a hexagonal crystal system that includes a compound represented by the general formula LiCo1-xMxO2, where M is at least one species selected from the group consisting of V, Cr, Fe, Mn, Ni, Al, and Ti, and x is a decimal number in a range 0
摘要翻译：本发明提供一种具有主要由正极活性物质，负极和非水电解质组成的正极的非水电解质二次电池。正极活性物质是六方晶系的含锂过渡金属复合氧化物，其包含由通式LiCo 1-x M x O O表示的化合物，其中M是选自V，Cr，Fe，Mn，Ni，Al和Ti中的至少一种，x是0

7. 发明申请

US20050069774A1 Non-aqueous electrolyte secondary battery and method of manufacturing the same 有权
标题翻译：非水电解质二次电池及其制造方法
公开(公告)号：US20050069774A1
公开(公告)日：2005-03-31
申请号：US10951732
申请日：2004-09-29
申请人： Shinya Miyazaki , Nobumichi Nishida
发明人： Shinya Miyazaki , Nobumichi Nishida
IPC分类号： C01D1/02 , C01G51/00 , C01G51/04 , H01M4/525 , H01M4/583 , H01M6/16 , H01M10/05 , H01M10/0525 , H01M10/42 , H01M4/52
CPC分类号： H01M4/525 , C01G51/006 , C01G51/42 , C01P2002/52 , C01P2004/61 , C01P2006/40 , H01M4/0471 , H01M4/131 , H01M4/133 , H01M4/485 , H01M10/0525 , H01M10/0587 , H01M2010/4292 , H01M2300/0037
摘要： A positive electrode used in the non-aqueous electrolyte secondary battery of the present invention includes a hexagonal system lithium-containing cobalt composite oxide represented by the general expression ┌LiCo1-XMXO2 (M=Zr, Mg, Al)┘ obtained by synthesizing a lithium compound as a lithium source with a cobalt compound as a cobalt source to which 0.01 mol % or more and 1.0 mol % or less of zirconium is added and magnesium and/or aluminum is added through coprecipitation, as the positive electrode active material, whereby the thermal stability, load performance and charging/discharging cycle performance characteristics of the non-aqueous electrolyte secondary battery are improved without lowering its capacity and charging/discharging efficiency.
摘要翻译：在本发明的非水电解质二次电池中使用的正极包括通过合成锂获得的由通式┌LiCo1-XMXO2（M = Zr，Mg，Al）表示的六方晶系的含锂钴复合氧化物作为锂源的化合物作为正极活性物质，其中钴化合物作为钴源，其中添加了0.01mol％以上且1.0mol％以下的锆，并且通过共沉淀加入了镁和/或铝，由此，非水电解质二次电池的热稳定性，负载性能和充放电循环性能特性得到改善，而不降低其容量和充放电效率。

8. 发明授权

US06521379B2 Non-aqueous electrolyte secondary cell with a lithium cobalt oxide positive electrode 有权
标题翻译：具有钴酸锂正极的非水电解质二次电池
公开(公告)号：US06521379B2
公开(公告)日：2003-02-18
申请号：US09782086
申请日：2001-02-14
申请人： Nobumichi Nishida , Takuya Morimoto , Masatoshi Takahashi
发明人： Nobumichi Nishida , Takuya Morimoto , Masatoshi Takahashi
IPC分类号： H01M452
CPC分类号： H01M4/485 , H01M4/131 , H01M4/525
摘要： In a non-aqueous electrolyte secondary cell having a positive electrode mainly composed of a positive electrode active material, a negative electrode, and a non-aqueous electrolyte, the positive electrode active material includes a lithium-containing transition metal complex oxide represented with hexagonal structure by the general formula LiCo1-XMXO2, wherein M is at least one element selected from the group consisting of V, Cr, Fe, Mn, Ni, Al, and Ti, and a crystallite size (110) of the lithium-containing transition metal complex oxide is greater than 1000 Å. Thereby, the thermal stability of the positive electrode active material is increased, and the discharge characteristic and the charge-discharge characteristic of the cell are improved.
摘要翻译：在具有主要由正极活性物质，负极和非水电解质构成的正极的非水电解质二次电池中，所述正极活性物质包括以六方结构表示的含锂过渡金属复合氧化物通式为LiCo1-XMXO2，其中M为选自V，Cr，Fe，Mn，Ni，Al和Ti中的至少一种元素，以及含锂过渡金属的微晶尺寸（110）复合氧化物大于1000Å。由此，能够提高正极活性物质的热稳定性，提高电池的放电特性和充放电特性。

9. 发明授权

US06372384B1 Rechargeable lithium battery comprising substituted lithium titanate electrodes 有权
标题翻译：包含取代的钛酸锂电极的可充电锂电池
公开(公告)号：US06372384B1
公开(公告)日：2002-04-16
申请号：US09535958
申请日：2000-03-27
申请人： Hiroyuki Fujimoto , Hiroshi Nakajima , Nobumichi Nishida , Hiroshi Watanabe , Shin Fujitani
发明人： Hiroyuki Fujimoto , Hiroshi Nakajima , Nobumichi Nishida , Hiroshi Watanabe , Shin Fujitani
IPC分类号： H01M458
CPC分类号： H01M10/0525 , C01G23/005 , C01G31/006 , C01P2006/40 , H01M2/0222 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/0427 , H01M2004/021 , H01M2004/027 , H01M2300/0037
摘要： A rechargeable lithium battery is disclosed having a positive electrode, a negative electrode and a non-aqueous electrolyte. The positive or negative electrode contains, as its active material, an Li—Ti complex oxide having a spinel crystal structure and represented by the compositional formula Li4MxTi5−xO12, wherein M is at least one element selected from V, Nb, Mo and P and x satisfies the relationship 0
摘要翻译：公开了一种具有正极，负极和非水电解质的可再充电锂电池。正极或负极包含作为其活性物质的具有尖晶石晶体结构并由组成式Li 4 M x Ti 5-x O 12表示的Li-Ti复合氧化物，其中M是选自V，Nb，Mo和P中的至少一种元素，以及 x满足0

10. 发明授权

US08338030B2 Non-aqueous electrolyte secondary battery 失效
标题翻译：非水电解质二次电池
公开(公告)号：US08338030B2
公开(公告)日：2012-12-25
申请号：US11359965
申请日：2006-02-23
申请人： Masato Iwanaga , Nobumichi Nishida , Shuji Tsutsumi
发明人： Masato Iwanaga , Nobumichi Nishida , Shuji Tsutsumi
IPC分类号： H01M4/52
CPC分类号： H01M4/131 , H01M4/133 , H01M4/366 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M10/0567 , H01M10/44 , H01M2300/004
摘要： A non-aqueous electrolyte secondary battery with excellent discharge cycle characteristics and a charging termination potential ranging from 4.4 to 4.6 V based on lithium, consisting of a positive electrode comprising a positive electrode active material, a negative electrode, and a non-aqueous electrolyte containing a non-aqueous solvent and an electrolyte salt, in which the positive electrode active material comprises a mixture of a lithium-cobalt composite oxide containing at least both zirconium and magnesium in LiCoO2, and a lithium-manganese-nickel composite oxide having a layered structure and containing at least both manganese and nickel, and the potential of the positive electrode active material ranges from 4.4 to 4.6 V based on lithium, and the non-aqueous electrolyte contains at least one of aromatic compounds selected from the group consisting at least of toluene derivatives, anisole derivatives, biphenyl, cyclohexyl benzene, tert-butyl benzene, tert-amyl benzene, and diphenyl ether.
摘要翻译：一种非水电解质二次电池，具有优异的放电循环特性和基于锂的4.4至4.6V的充电终止电位，由包含正极活性材料，负极和非水电解质的正极组成，所述正极包含非水溶剂和电解质盐，其中正极活性物质包含LiCoO 2中至少含有锆和镁两者的锂 - 钴复合氧化物的混合物和具有层状结构的锂 - 锰 - 镍复合氧化物并且至少包含锰和镍两者，并且所述正极活性物质的电位为基于锂的4.4至4.6V，并且所述非水电解质包含至少一种选自至少一种甲苯衍生物，苯甲醚衍生物，联苯，环己基苯，叔丁基苯，叔戊基苯和二苯基醚烯丙醚。

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