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1. 发明专利

JP2010218793A Lithium ion secondary battery and method of manufacturing the same 审中-公开
标题翻译：锂离子二次电池及其制造方法
公开(公告)号：JP2010218793A
公开(公告)日：2010-09-30
申请号：JP2009062356
申请日：2009-03-16
申请人： Denki Kagaku Kogyo Kk , Sei Kk , エス・イー・アイ株式会社 , 電気化学工業株式会社
发明人： WATANABE SATOSHI , KOTAKE KOJU , SAWAI TAKEHIKO , SAITO SHINJI
IPC分类号： H01M4/136 , C08F8/12 , C08K3/32 , C08L29/04 , H01M4/1397 , H01M4/58 , H01M4/62 , H01M10/052 , H01M10/0566
CPC分类号： H01M4/5825 , H01M4/622 , H01M10/0525 , Y02T10/7011
摘要： PROBLEM TO BE SOLVED: To provide a lithium ion secondary battery of laminating a positive electrode mix layer including LiFePO 4 and a conductive material on a positive electrode assembly, by using a resin binder superior even in electrolyte resistance, by uniformly dispersing lithium iron phosphate and by using environmentally unproblematic water having a low boiling point as a solvent. SOLUTION: The lithium ion secondary battery has a positive electrode in which the positive electrode mix layer composed of a mixture including the LiFePO 4 , the conductive material and hydrocarbon vinyl ether-modified polyvinyl alcohol as the resin binder, is laminated on a positive electrode current collector, a negative electrode, a separator and a nonaqueous solvent including a support electrolyte of lithium salt. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决的问题：提供一种锂离子二次电池，其通过使用优异的树脂粘合剂，在正极组件上层压含有LiFePO 4 SBN的正极混合层和导电材料，通过均匀分散磷酸铁锂和使用具有低沸点的环境无问题的水作为溶剂，耐电解质性。解决方案：锂离子二次电池具有正极，其中由包括LiFePO 4 SB 8的混合物构成的正极混合层，导电材料和烃乙烯基醚改性的聚乙烯醇作为树脂粘合剂层压在正极集电体，负极，隔膜和包含锂盐的支持电解质的非水溶剂上。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2011108522A Cathode material for lithium ion secondary battery and method of manufacturing the same 有权
标题翻译：锂离子二次电池用阴极材料及其制造方法
公开(公告)号：JP2011108522A
公开(公告)日：2011-06-02
申请号：JP2009263035
申请日：2009-11-18
申请人： Denki Kagaku Kogyo Kk , 電気化学工業株式会社
发明人： KAWASAKI TAKU , SAKASHITA TAKUSHI , SAWAI TAKEHIKO , SAITO SHINJI
IPC分类号： H01M4/136 , H01M4/1397 , H01M4/58 , H01M4/62
CPC分类号： H01M4/5825 , H01M4/136 , H01M4/1397 , H01M4/364 , H01M4/60 , H01M4/625 , H01M10/0525 , Y02T10/7011
摘要： PROBLEM TO BE SOLVED: To provide a cathode material for a lithium ion secondary battery high in safety, large in capacity and long in life, and capable of charging and discharging a large current.
SOLUTION: The cathode material for the lithium ion secondary battery contains a carbon black complex by 5-30 mass%, and the remainder is olivine type iron phosphate lithium, and content of a volatile oxygen-containing functional group is 1.0 mass% or smaller where the carbon black complex is constituted by coupling fibrous carbon and carbon black, and contains an ash content defined by JIS K 1469 by 1.0 mass%. It is desirable that the fibrous carbon is a carbon nanotube with a fiber diameter of 5-50 nm and a specific surface area of 50-400 m
2 /g.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供高安全性，大容量和长寿命并且能够充放电大电流的锂离子二次电池用阴极材料。解决方案：锂离子二次电池用正极材料含有5-30质量％的炭黑络合物，其余为橄榄石型磷酸铁锂，挥发性含氧官能团的含量为1.0质量％或更小，其中炭黑络合物由纤维状碳和炭黑组成，并且含有JIS K 1469定义的灰分含量为1.0质量％。理想的是，纤维状碳是纤维直径为5-50nm，比表面积为50-400m 2 / SP / g的碳纳米管。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2010108889A Positive electrode for secondary battery 有权
标题翻译：二次电池正极
公开(公告)号：JP2010108889A
公开(公告)日：2010-05-13
申请号：JP2008312339
申请日：2008-12-08
申请人： Denki Kagaku Kogyo Kk , 電気化学工業株式会社
发明人： SAKASHITA TAKUSHI , FUJISAWA HIROKI , KAWASAKI TAKU , SAWAI TAKEHIKO , SAITO SHINJI
IPC分类号： H01M4/136 , H01M4/58 , H01M4/62
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a positive electrode for a lithium secondary battery which has a high capacity and a long life under high-current charge and discharge. SOLUTION: The positive electrode for the lithium ion secondary battery contains: a carbon black composite into which a fibrous carbon material and carbon black are bonded and in which ash specified by JIS K 1469 is 1.0 mass% or less; and an olivine form of iron lithium phosphate. A particle size of the olivine form of iron lithium phosphate is preferably 10-150 nm. An electric resistance of the olivine form of iron lithium phosphate specified by JIS K 1469 is preferably 2-10 Ωcm. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种在高电流充放电下具有高容量和长寿命的锂二次电池用正极。解决方案：锂离子二次电池用正极包含：碳纤维状碳材料和炭黑结合在其中，JIS K 1469规定的灰分为1.0质量％以下的炭黑复合体; 和橄榄石形式的磷酸铁锂。磷酸铁锂的橄榄石形式的粒径优选为10〜150nm。由JIS K 1469规定的磷酸铁锂的橄榄石形式的电阻优选为2-10Ωcm。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2012043751A Positive electrode plate for lithium ion secondary battery and lithium ion secondary battery 有权
标题翻译：用于锂离子二次电池和锂离子二次电池的正极电极板
公开(公告)号：JP2012043751A
公开(公告)日：2012-03-01
申请号：JP2010186533
申请日：2010-08-23
申请人： Sei Kk , Toyota Motor Corp , エス・イー・アイ株式会社 , トヨタ自動車株式会社
发明人： NOZAKI KO , SAITO SHINJI , URAO KAZUNORI , SAWAI TAKEHIKO
IPC分类号： H01M4/13 , H01M4/70
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a positive electrode plate for a lithium ion secondary battery and the lithium ion secondary battery wherein charge/discharge is made possible in further high capacity and large current.SOLUTION: The positive electrode plate for the lithium ion secondary battery includes: a positive electrode plate including a positive electrode current collector and a positive electrode active material layer formed on at least one surface thereof; and a negative electrode including a negative electrode current collector and a negative electrode active material layer formed on at least one surface thereof. The positive electrode current collector protrudes toward one surface side and has a protrusion, of which the center is a through-hole, formed therein. Out of the whole thickness of the positive electrode plate, the ratio occupied by the thickness of a portion, where only the positive electrode active material layer exists without existence of the positive electrode current collector and the protrusion thereof, is within 3% or more and 75% or less.
摘要翻译：要解决的问题：提供一种用于锂离子二次电池的正极板和能够进一步高容量和大电流进行充放电的锂离子二次电池。解决方案：锂离子二次电池用正极板包括：在至少一个表面上形成有正极集电体和正极活性物质层的正极板; 以及在其至少一个表面上形成有负极集电体和负极活性物质层的负极。正极集电体朝向一个表面侧突出，并且在其中形成有其中心为通孔的突起。在正极板的整个厚度之外，仅存在正极活性物质层而不存在正极集电体的部分的厚度占其的比例在3％以上，并且 75％以下。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2010212041A Load leveling power supply system 有权
标题翻译：负载均衡电源系统
公开(公告)号：JP2010212041A
公开(公告)日：2010-09-24
申请号：JP2009055992
申请日：2009-03-10
申请人： Sei Kk , エス・イー・アイ株式会社
发明人： SAWAI TAKEHIKO , SAITO SHINJI
IPC分类号： H01M4/133 , H01M4/131 , H01M4/134 , H01M4/136 , H01M4/505 , H01M4/58 , H01M4/66 , H01M4/70 , H01M10/052 , H01M10/0585 , H01M10/0587 , H01M10/44 , H01M10/60 , H01M10/613 , H01M10/615 , H01M10/627 , H02J3/32 , H02J7/34
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To achieve charge and discharge cycle durability of a battery and enable recycling of resources.
SOLUTION: The load leveling power supply system with a lithium secondary battery, an operating temperature maintenance means for maintaining an operating temperature of the battery within a given temperature range, and a charge and discharge means for the battery to repeat charging by midnight power and discharging with supply of power aimed at power load reduction. The lithium secondary battery includes an electrode group formed by laminating or winding around through an insulator a cathode mixture using olivine type metal lithium phosphate or a lithium manganate compound as a main agent, and an anode mixture using carbon material or alloy as a main agent formed on collectors each equipped with a protruded through-hole, and nonaqueous electrolyte or solid electrolyte. The operating temperature maintenance means is a means of starting thermal supply with an outside heat source when a surface temperature of the lithium secondary battery falls below a given temperature, and stopping the same when the temperature goes beyond the given range.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：实现电池的充放电循环耐久性，并能够回收资源。解决方案：具有锂二次电池的负载均衡电源系统，用于将电池的工作温度保持在给定温度范围内的工作温度维持装置以及电池在午夜之前重复充电的充电和放电装置电力和放电供电，旨在减少电力负荷。锂二次电池包括通过使用橄榄石型金属锂磷酸盐或锰酸锂化合物作为主要原料的绝缘体层叠或缠绕阴极混合物形成的电极组，以及使用碳材料或合金作为主要试剂形成的阳极混合物在每个装有突出通孔的收集器上，以及非水电解质或固体电解质。工作温度维持装置是当锂二次电池的表面温度低于给定温度时，利用外部热源开始热供给的手段，并且当温度超过给定范围时，其停止。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2009164139A Method of manufacturing positive electrode active material for nonaqueous electrolyte secondary battery 审中-公开
标题翻译：非电解二次电池制作正极电极活性材料的方法
公开(公告)号：JP2009164139A
公开(公告)日：2009-07-23
申请号：JP2009102447
申请日：2009-04-20
申请人： Sei Kk , Toyo Tanso Kk , エス・イー・アイ株式会社 , 東洋炭素株式会社
发明人： TOJO TETSURO , TAKEBAYASHI HITOSHI , OTA NAOTO , MOTOMIYA MAKOTO , SAITO SHINJI
IPC分类号： C01G51/00 , C01G53/00 , H01M4/485
CPC分类号： Y02P70/54
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a positive electrode active material for a nonaqueous electrolyte secondary battery that prevents oxidation and degradation of the electrolyte when charged or discharged, while improving the capacity of a secondary battery. SOLUTION: The manufacturing method brings gas containing fluorine gas with partial pressure of 0.5 to 50 kPa into contact with a transition metal positive electrode active material containing lithium, and includes fluorine atom in a part of the transition metal positive electrode active material containing lithium. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：提供一种制造用于非水电解质二次电池的正极活性物质的方法，其在充电或放电时防止电解质的氧化和降解，同时提高二次电池的容量。解决方案：制造方法将含有0.5〜50kPa分压的含氟气体与含有锂的过渡金属正极活性物质接触，在含有过渡金属正极活性物质的部分中含有氟原子，锂。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2009164138A Positive electrode active material for nonaqueous electrolyte secondary battery 审中-公开
标题翻译：用于非电解电解质二次电池的正极电极活性材料
公开(公告)号：JP2009164138A
公开(公告)日：2009-07-23
申请号：JP2009102437
申请日：2009-04-20
申请人： Sei Kk , Toyo Tanso Kk , エス・イー・アイ株式会社 , 東洋炭素株式会社
发明人： TOJO TETSURO , TAKEBAYASHI HITOSHI , OTA NAOTO , MOTOMIYA MAKOTO , SAITO SHINJI
IPC分类号： H01M4/525
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a positive electrode active material for a nonaqueous electrolyte secondary battery that can suppress oxidation and degradation of the electrolyte at the charging/discharging time, while improving the capacity of a secondary battery.
SOLUTION: A transition metal positive electrode active material contains lithium that is used for a nonaqueous electrolyte secondary battery. Part of the transition metal positive electrode active material containing lithium contains a fluorine atom, and the transition metal positive electrode active material is LiNiO
2 .
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：提供一种能够在提高二次电池的容量的同时，在充放电时能够抑制电解质的氧化和劣化的非水电解质二次电池用正极活性物质。解决方案：过渡金属正极活性物质包含用于非水电解质二次电池的锂。含有锂的过渡金属正极活性物质的一部分含有氟原子，过渡金属正极活性物质为LiNiO 2 SBB。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2005011688A Nonaqueous electrolyte secondary battery positive electrode activator and manufacturing method of the same 审中-公开
标题翻译：非电解电解质二次电池正极电极激活器及其制造方法
公开(公告)号：JP2005011688A
公开(公告)日：2005-01-13
申请号：JP2003174856
申请日：2003-06-19
申请人： Sei Kk , Toyo Tanso Kk , エス・イー・アイ株式会社 , 東洋炭素株式会社
发明人： TOJO TETSURO , TAKEBAYASHI HITOSHI , OTA NAOTO , MOTOMIYA MAKOTO , SAITO SHINJI
IPC分类号： C01G51/00 , C01G53/00 , H01M4/02 , H01M4/36 , H01M4/58
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery positive electrode activator capable of preventing oxidation and decomposition of electrolyte liquid at charging and discharging and increasing capacity of the secondary battery, and to provide a manufacturing method of the same.
SOLUTION: A part of the lithium-containing transition metal positive electrode activator used for a nonaqueous electrolyte secondary battery is made to contain fluorine atom.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决问题的方法：提供能够防止充放电时的电解液的氧化分解和二次电池的容量增大的非水电解质二次电池正极活化剂，提供其制造方法。解决方案：将用于非水电解质二次电池的含锂过渡金属正极活化剂的一部分制成含氟原子。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2013178934A Liquid holding body for lithium secondary battery and lithium secondary battery 有权
标题翻译：用于锂二次电池和锂二次电池的液体保持体
公开(公告)号：JP2013178934A
公开(公告)日：2013-09-09
申请号：JP2012041928
申请日：2012-02-28
申请人： Sei Kk , エス・イー・アイ株式会社 , Nippon Kodoshi Corp , ニッポン高度紙工業株式会社
发明人： SAWAI TAKEHIKO , SAITO SHINJI , URAO KAZUNORI , USHIMOTO JIYUNICHI , UEDA MASAHIKO , WADA NORIHIRO
IPC分类号： H01M2/16 , H01M4/583 , H01M10/0525 , H01M10/0566
CPC分类号： H01M2/1686 , H01M2/1613 , H01M2/162 , H01M2/1626 , H01M2/1653 , H01M2/1666 , H01M4/133 , H01M4/587 , H01M10/0431 , H01M10/052 , H01M10/0525 , H01M10/0566 , H01M10/0585 , H01M10/0587 , H01M2004/027
摘要： PROBLEM TO BE SOLVED: To provide a liquid holding body for lithium secondary battery which can hold an electrolyte in an electrode or in the interface of the electrode with a separator so as to prevent liquid shortage in the electrode while suppressing the deposition and growth of dendrite, and a lithium secondary battery using the same which can achieve a cycle life to be used for industrial application.SOLUTION: A liquid holding body 3 for lithium secondary battery which is obtained by impregnating or immersing an organic electrolyte in an electrode group wound or laminated through the liquid holding body 3, a separator between a positive electrode plate 2 and a negative electrode plate 1 has a multilayer structure with two hydrophilic fiber layers (A and B) different in porosity, and the porosity (40%-80%)of the fiber layer A on the interface side with the negative electrode plate 1 is smaller than the porosity (60%-90%) of the fiber layer B on the interface side with the positive electrode plate 2, and the average porosity in the fiber layer as a whole is 50% or more. The fiber layer is mainly composed of cellulose fiber, and a negative electrode active material to be used in the negative electrode plate 1 is carbon material.
摘要翻译：要解决的问题：提供一种锂二次电池的液体保持体，其能够在电极中或电极的界面中将电解质保持在隔膜上，以防止电极中的液体不足，同时抑制枝晶的沉积和生长以及使用该二次电池的锂二次电池，其可以实现用于工业应用的循环寿命。解决方案：通过将有机电解质浸渍或浸渍在缠绕或层压的电极组中而获得的锂二次电池用液体保持体3 通过液体保持体3，正极板2和负极板1之间的隔膜具有两个亲水性纤维层（A和B）孔隙率不同的多层结构，孔隙率（40％-80％）为与负极板1的界面侧的纤维层A小于界面侧的纤维层B的孔隙率（60％〜90％），正极e 导电板2，纤维层的整体的平均孔隙率为50％以上。纤维层主要由纤维素纤维构成，负极板1中使用的负极活性物质为碳材料。

10. 发明专利

JP2004095426A Negative electrode and positive electrode for lithium secondary battery and lithium secondary battery 有权
公开(公告)号：JP2004095426A
公开(公告)日：2004-03-25
申请号：JP2002256462
申请日：2002-09-02
申请人： Sei Kk , エス・イー・アイ株式会社
发明人： SAWAI TAKEHIKO , SAITO SHINJI
IPC分类号： H01M10/05 , H01M4/02 , H01M4/36 , H01M4/485 , H01M4/587 , H01M10/0525 , H01M10/0567 , H01M10/0587 , H01M4/58 , H01M10/40
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a negative electrode and a positive electrode for a lithium secondary battery having a long life and high safety as well as achieving high capacity, and the lithium secondary battery using the negative electrode and the positive electrode.
SOLUTION: A carbon material usable as the negative electrode for the lithium secondary battery has, as a main component, graphite particles formed by gathering or combining a plurality of particles, each of which has a specific surface area of 0.5-2m
2 /g, a total pore volume of 0.4-2.0ml/g in a range of 10
1 -10
5 nm, tap density of 0.5-1.2g/cm
3 , and a flat shape, so that their oriented surfaces are not in parallel with each other. The positive electrode material comprises lithium-contained metallic oxide particles obtained by mixing metallic oxide particles having a particle diameter of 7-12μm for D
50 and metallic oxide particles having a particle diameter of 4-5μm for D
50 .
COPYRIGHT: (C)2004,JPO

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