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1. 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。

2. 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

3. 发明专利

JP2009043514A Electrode material, electrode plate, secondary battery, and manufacturing method for the electrode material 有权
标题翻译：电极材料，电极板，二次电池及电极材料的制造方法
公开(公告)号：JP2009043514A
公开(公告)日：2009-02-26
申请号：JP2007206381
申请日：2007-08-08
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： YANO TSUYOSHI , ISHIKAWA TETSUHIRO , SAWAI TAKEHIKO , SAITO SHINJI , URAO KAZUNORI , MORIMOTO FUKUYOSHI
IPC分类号： H01M4/36 , H01M4/62
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide an electrode material with an internal resistance (IV resistance) of a battery, or the like that can be made small, discharge characteristics due to large current can also be improved, and the lifetime characteristics of a battery or the like improved, and to provide a manufacturing method, as well as, an electrode plate and a secondary battery that uses the electrode material. SOLUTION: The electrode material (cathode material 154) is provided with active material particles (cathode active material particles 153), first conductive materials 158, made of a carbon material and adhered on the surface of the active material particles, and second conductive materials 159, made of a fibrous carbon material and coupled with the first conductive materials 158. The active material particles (the cathode active material particles 153) have a particle size of 1 μm or smaller the second conductive material 159 has a fiber length of 2 to 10 μm, and a plurality of active material particles (cathode active material particles 153) are coupled with each of the second conductive materials 159 through the first conductive materials 158. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供可以使电池的内阻（IV电阻）等可以变小的电极材料，也可以提高由于大电流引起的放电特性，并且寿命特性改善电池等，并提供制造方法，以及使用电极材料的电极板和二次电池。电极材料（阴极材料154）设置有活性物质粒子（正极活性物质粒子153），第一导电材料158，由碳材料制成并附着在活性物质粒子的表面上，第二导电材料158 导电材料159由纤维状碳材料制成并与第一导电材料158结合。活性物质颗粒（阴极活性物质颗粒153）的粒径为1μm以下，第二导电材料159的纤维长度为 2〜10μm，多个活性物质粒子（正极活性物质粒子153）通过第1导电材料158与各第2导电材料159结合。（C）2009，JPO＆INPIT

4. 发明专利

JP2014096268A Electrode for lithium secondary battery and lithium secondary battery 有权
标题翻译：锂二次电池和锂二次电池电极
公开(公告)号：JP2014096268A
公开(公告)日：2014-05-22
申请号：JP2012246967
申请日：2012-11-09
申请人： Sei Kk , エス・イー・アイ株式会社
发明人： SAWAI TAKEHIKO , SAITO SHINJI , HANAI KAZUMA
IPC分类号： H01M4/13 , H01M4/36 , H01M4/62 , H01M4/70 , H01M10/052 , H01M10/0566
CPC分类号： H01M4/583 , H01M4/133 , H01M4/366 , H01M4/587 , H01M4/70 , H01M10/0431 , H01M10/052 , H01M10/0525 , H01M2220/20 , Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide electrodes for the positive and negative electrodes of a lithium secondary battery in which the battery can be brought into full charge state within one minute by fast charge, and which can be driven and used in on-board use, especially under low temperature, and to provide a lithium secondary battery.SOLUTION: In the electrode for a lithium secondary battery where occlusion and release of lithium ions are repeated by impregnating an electrode group, obtained by winding or laminating positive and negative electrodes with a separator interposed therebetween, with an organic electrolyte or immersing the electrode group therein, at least one phase selected from a graphene phase and an amorphous phase is formed, as a surface layer, on the surface of the positive and negative electrodes active materials, and a layer of active carbon having a specific surface area of 1000 m/g or more is formed on the surface of the active material layer.
摘要翻译：要解决的问题：为了提供锂二次电池的正极和负极的电极，其中电池可以在一分钟内通过快速充电而达到充满电状态，并且可以在车载使用中被驱动和使用，特别是在低温下，并提供锂二次电池。解决方案：在通过浸渍电极组重复锂离子的闭塞和释放的锂二次电池的电极中，通过用隔膜卷绕或层压正极和负极而获得在其间插入有机电解质或将电极组浸入其中，在正极和负极活性材料的表面上形成从石墨烯相和非晶相中选择的至少一个相作为表面层，以及层的比表面积为1000m 2 / g以上的活性炭形成在活性物质层的表面上。

5. 发明专利

JP2008311171A Lithium secondary battery 有权
标题翻译：锂二次电池
公开(公告)号：JP2008311171A
公开(公告)日：2008-12-25
申请号：JP2007159982
申请日：2007-06-18
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： H01M4/13 , H01M4/74 , H01M10/052 , H01M10/0563 , H01M10/0585 , H01M10/0587
CPC分类号： Y02E60/122 , Y02T10/7011
摘要： PROBLEM TO BE SOLVED: To provide a lithium secondary battery with high capacity, long life in a high current charge and discharge, and high safety. SOLUTION: The lithium secondary battery includes an electrode group formed by laminating or winding a negative electrode having a foil-shaped negative electrode collector in a negative electrode mixture layer and a positive electrode having a foil-shaped positive electrode collector in a positive electrode mixture layer, through a separator, and an electrolyte in which the electrode group is immersed. The foil-shaped negative electrode collector and the foil-shaped positive electrode collector are provided with a plurality of holes penetrating the collectors, a circumference of each of the holes projects to at least one surface side of the foil-shaped collector, and a thickness of the foil-shaped collector, including the projection portion of the circumference of the hole is more than 3% and 25% or less of a total thickness of one electrode plate in which the collector of the negative electrode or the positive electrode and the mixture layer are put together. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供高容量的锂二次电池，在高电流充放电中寿命长，安全性高。解决方案：锂二次电池包括通过在负极混合物层中层叠或卷绕具有箔状负极集电体的负极而形成的电极组和具有箔形正极集电体的正极电极混合物层，通过隔膜，以及电极组浸入其中的电解质。箔状负极集电体和箔状正极集电体具有穿过集电体的多个孔，每个孔的圆周突出到箔状集电体的至少一个表面侧，厚度包括孔的周边的突出部的箔状收集体的大小比负极或正极的集电体和混合物的一个电极板的总厚度的3％以上25％以下层叠在一起。版权所有（C）2009，JPO＆INPIT

6. 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

7. 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

8. 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

9. 发明专利

JP2014116237A Electrochemical device 有权
标题翻译：电化学装置
公开(公告)号：JP2014116237A
公开(公告)日：2014-06-26
申请号：JP2012270709
申请日：2012-12-11
申请人： Sei Kk , エス・イー・アイ株式会社
发明人： SAWAI TAKEHIKO , SAITO SHINJI , URAO KAZUNORI , NAKAGAWA JUN , HANAI KAZUMA , MATSUMOTO MITSUHIRO
IPC分类号： H01M10/052 , H01G11/00 , H01G11/10 , H01G11/52 , H01M2/18 , H01M10/0566 , H01M10/058
CPC分类号： Y02E60/122 , Y02E60/13 , Y02T10/7011
摘要： PROBLEM TO BE SOLVED: To provide an electrochemical device having a long life by applying proper pressure to a group of positive and negative electrodes in a case of the electrochemical device.SOLUTION: Disclosed is an electrochemical device which is housed in a case and repeatedly occludes and emits lithium ions by infiltrating or immersing an organic electrolyte into an electrode group formed by being wound or laminated between a positive electrode and a negative electrode via a separator. The separator is made of a woven fabric or a non-woven fabric. A pressure of 0.3 to 1.1 kgf/cmis applied onto the main surface of the electrode group.
摘要翻译：要解决的问题：在电化学装置的情况下，通过对一组正极和负极施加适当的压力来提供具有长寿命的电化学装置。解决方案：公开了一种电化学装置，其被容纳在壳体中并反复闭塞并通过将有机电解质浸入或浸渍在由正极和负极之间通过隔膜缠绕或层压形成的电极组中而发射锂离子。隔板由机织织物或无纺织物制成。在电极组的主表面上施加0.3〜1.1kgf / cm 3的压力。

10. 发明专利

JP2012174577A Negative electrode plate of lithium secondary battery, negative electrode, and lithium secondary battery 有权
标题翻译：锂二次电池负极电极板，负极电极和锂二次电池
公开(公告)号：JP2012174577A
公开(公告)日：2012-09-10
申请号：JP2011036795
申请日：2011-02-23
申请人： Sei Kk , エス・イー・アイ株式会社
发明人： SAWAI TAKEHIKO , SAITO SHINJI , URAO KAZUNORI
IPC分类号： H01M4/66 , H01M4/13 , H01M4/131 , H01M4/133 , H01M4/134 , H01M4/485 , H01M4/64 , H01M10/052 , H01M10/0525 , H01M10/0566 , H01M10/0585 , H01M10/0587
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a light-weight and low-cost negative electrode material of a lithium secondary battery for a vehicle.SOLUTION: The negative electrode material of a lithium secondary battery uses aluminium as a part of a metallic element for negative electrode current collecting, specifically, aluminium in which carbon coating is performed on the surface of aluminium foil. For the precipitation of metal lithium in the charging of the negative electrode, the precipitation of lithium metal dendrite related to safety can be prevented due to alloying aluminum while lithium ions are intercalated in a carbon coating layer.

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