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1. 发明专利

JP2008192594A Negative electrode for nonaqueous electrolyte secondary battery, its manufacturing method, and nonaqueous electrolyte secondary battery using the same 审中-公开
标题翻译：用于非水电解质二次电池的负极，其制造方法和使用其的非电解电解质二次电池
公开(公告)号：JP2008192594A
公开(公告)日：2008-08-21
申请号：JP2007207592
申请日：2007-08-09
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： KASHIWAGI KOKUKIYO , UGAJI MASAYA , HASEGAWA MASAKI
IPC分类号： C23C14/10 , C23C14/30 , H01M4/13 , H01M4/134 , H01M4/139 , H01M4/1395 , H01M4/38 , H01M4/48 , H01M10/052
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a negative electrode for a nonaqueous electrolyte secondary battery having excellent capacity maintenance factor, high-rate characteristics, low temperature characteristics, and reliability, and to provide its manufacturing method and the nonaqueous electrolyte secondary battery using the negative electrode. SOLUTION: The negative electrode for the nonaqueous electrolyte secondary battery is equipped with a current collector 11 having a recessed part 12 and a projecting part 13 on at least one surface and a columnar member 15 having n (n≥2) stages of laminated columnar portions obliquely formed on the projecting part 13 of the current collector, and a layer 155b less in expansion and contraction caused by storing and releasing of lithium ions is installed in the columnar member 15. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：提供具有优异的容量维持率，高速特性，低温特性和可靠性的非水电解质二次电池用负极，提供其制造方法和非水电解质二次电池，其使用负极。解决方案：非水电解质二次电池用负极具有在至少一个面上具有凹部12和突出部13的集电体11和具有n（n≥2）阶段的柱状部件15 层叠柱状部倾斜地形成在集电体的突出部13上，并且由于锂离子的储存和释放引起的膨胀和收缩较小的层155b安装在柱状构件15中。（C）2008年， JPO＆INPIT

2. 发明专利

JP2008124007A Manufacturing method of nonaqueous electrolyte secondary battery, and negative electrode for the nonaqueous electrolyte secondary battery 审中-公开
标题翻译：非电解二次电池的制造方法和非电解二次电池的负极
公开(公告)号：JP2008124007A
公开(公告)日：2008-05-29
申请号：JP2007266351
申请日：2007-10-12
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： SATO TOSHITADA , SUETSUGU DAISUKE , KASHIWAGI KOKUKIYO , HONDA KAZUYOSHI
IPC分类号： H01M4/13 , H01M4/139 , H01M4/1395 , H01M4/48 , H01M10/052
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To manufacture a negative electrode for a nonaqueous electrolyte secondary battery which can occlude and release lithium ions, and to provide a nonaqueous electrolyte secondary battery which has high capacity and long lifetime. SOLUTION: A manufacturing method of a negative electrode of a nonaqueous electrolyte secondary battery comprises the three steps: a step (1) for fabricating a negative electrode 6, by depositing a negative-electrode active substance on a current collector; a step (2) for subjecting the negative electrode 6 to a heat treatment; a step (3) for imparting lithium ions to the negative electrode active substance, after step (2). COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：制造可以封闭和释放锂离子的非水电解质二次电池用负极，提供具有高容量，长寿命的非水电解质二次电池。解决方案：非水电解质二次电池的负极的制造方法包括以下三个步骤：通过在集电体上沉积负极活性物质来制造负极6的步骤（1）对负极6进行热处理的工序（2）在步骤（2）之后将锂离子赋予负极活性物质的步骤（3）。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2006024550A Positive electrode plate for non-aqueous secondary battery and method for manufacturing the same 有权
标题翻译：用于非水性二次电池的正极电极板及其制造方法
公开(公告)号：JP2006024550A
公开(公告)日：2006-01-26
申请号：JP2005084446
申请日：2005-03-23
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： FUKUNAGA MASAO , SUZUKI GOHEI , KASHIWAGI KOKUKIYO , KURODA AKIRA , INATOMI YASUHIRO , SUMIHARA MASANORI
IPC分类号： H01M4/04 , H01M4/02 , H01M4/131 , H01M4/1391 , H01M4/1393 , H01M4/587 , H01M4/62 , H01M4/64 , H01M10/05
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a non-aqueous secondary battery excellent in cycle life with little variation in battery capacity. SOLUTION: A method for manufacturing a positive electrode plate for a non-aqueous secondary battery comprises: a step (a) for preparing a coating mixture comprising an active material A, an electrical conductive material B, a mixture containing a binding material C and a thickener D, and a liquid component E for dissolving the thickener D, wherein the electrical conductive material B comprises at least a carbon material, the thickener comprises at least a water soluble polymer, and the liquid component E comprises at least water; a step (b) for applying the coating mixture on a current collector, wherein the step (a) includes a primary mixing step for obtaining a primary mixture by mixing a composition containing the active material A, the electrical conductive material, the powder thickener D, and the liquid component E, and a secondary mixing step for obtaining a secondary mixture by mixing the primary mixture with the binding material C and an additional liquid component. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供循环寿命优异的电池容量变化小的非水二次电池。解决方案：一种用于制造非水二次电池用正极板的方法包括：制备涂覆混合物的步骤（a），其包括活性材料A，导电材料B，含有粘合材料的混合物 C和增稠剂D以及用于溶解增稠剂D的液体组分E，其中导电材料B至少包含一种碳材料，该增稠剂至少包含一种水溶性聚合物，液体组分E至少包含水; 步骤（b），用于将涂料混合物施加到集电器上，其中步骤（a）包括主混合步骤，用于通过混合含有活性材料A，导电材料，粉末增稠剂D的组合物获得初级混合物和液体组分E，以及二次混合步骤，用于通过将初级混合物与粘合材料C和另外的液体组分混合来获得二次混合物。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2007207699A Nonaqueous electrolyte secondary battery 审中-公开
标题翻译：非电解电解质二次电池
公开(公告)号：JP2007207699A
公开(公告)日：2007-08-16
申请号：JP2006028143
申请日：2006-02-06
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： KASHIWAGI KOKUKIYO , FUJIKAWA KAZUSATO
IPC分类号： H01M4/02 , B82Y99/00 , H01M4/36 , H01M4/48 , H01M4/62 , H01M10/05 , H01M10/0569
CPC分类号： H01M4/625 , H01M4/131 , H01M4/485 , H01M10/0525 , H01M10/0569
摘要： PROBLEM TO BE SOLVED: To provide a high-capacity nonaqueous electrolyte secondary battery having an excellent charge-discharge cycle characteristic and high in productivity when an active material particularly low in electron conductivity is used because an active material with a carbon fiber bound thereto for improving electron conductivity is low in wettability of an electrolyte, and thereby permeability of the electrolyte into an electrode is lowered, so that productivity and a capacity maintenance factor in a cycle test is reduced.
SOLUTION: In this nonaqueous electrolyte secondary battery, a negative electrode contains an active material and a carbon nano-fiber with one end connected to the active material, and the electrolyte contains a solvent formed out of a fluorine-containing compound. Thereby, permeability of the electrolyte into the electrode is improved, and the high-capacity nonaqueous electrolyte secondary battery excelling in a cycle characteristic and productivity can be provided.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有优异的充放电循环特性并且当使用特别低的电子传导性的活性材料时生产率高的高容量非水电解质二次电池，因为具有碳纤维的活性材料结合为了提高电子传导性，电解液的润湿性低，电解液进入电极的渗透性降低，循环试验中的生产率和容量维持率降低。解决方案：在该非水电解质二次电池中，负极含有活性物质和一端与活性物质连接的碳纳米纤维，电解质含有由含氟化合物形成的溶剂。由此，能够提高电解质向电极的渗透性，能够提供循环特性和生产率优异的高容量非水电解质二次电池。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2007165079A Negative electrode for nonaqueous electrolyte secondary battery and nonaqueous electrolyte secondary battery using it 审中-公开
标题翻译：非电解电解质二次电池和非电解电解质二次电池的负极
公开(公告)号：JP2007165079A
公开(公告)日：2007-06-28
申请号：JP2005358755
申请日：2005-12-13
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： KASHIWAGI KOKUKIYO , SHIRANE TAKAYUKI , INOUE KAORU
IPC分类号： H01M4/02 , H01M4/13 , H01M4/36 , H01M4/48 , H01M4/62 , H01M10/05
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a negative electrode having excellent cycle characteristics by suppressing increase in impedance of the whole negative electrode using silicon-containing particles capable of charging and discharging at least lithium ions as an active material, and to provide a battery using the negative electrode. SOLUTION: The negative electrode for a nonaqueous electrolyte secondary battery has a composite negative active material 13 comprising silicon-containing particles 11 capable of absorbing/releasing at least lithium ions and carbon nano-fibers 12; and a mix layer containing an expansion/contraction buffer material 14 having conductivity. The carbon nano-fibers 12 are bonded to the surface of the silicon-containing particles 11. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决问题的方法为了提供一种具有优异的循环特性的负极，通过使用能够至少充电和放电锂离子作为活性物质的含硅颗粒来抑制整个负极的阻抗增加，并提供一种使用负极的电池。解决方案：非水电解质二次电池用负极具有复合负极活性物质13，该复合负极活性物质13含有至少可吸收/释放锂离子的含硅粒子11和碳纳米纤维12; 以及包含具有导电性的膨胀/收缩缓冲材料14的混合层。碳纳米纤维12结合到含硅颗粒11的表面上。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2006107896A Manufacturing method of electrode plate for negative electrode of nonaqueous secondary battery 有权
标题翻译：非正常电池负极电极板的制造方法
公开(公告)号：JP2006107896A
公开(公告)日：2006-04-20
申请号：JP2004292227
申请日：2004-10-05
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： KASHIWAGI KOKUKIYO , INATOMI YASUHIRO , KURODA AKIRA , MATSUYAMA HIROSHI
IPC分类号： H01M4/04 , H01M4/02 , H01M4/1393 , H01M4/587 , H01M4/62 , H01M10/05
CPC分类号： Y02P70/54
摘要： PROBLEM TO BE SOLVED: To provide an electrode plate for a negative electrode causing little weight dispersion in applying paste thereto by manufacturing highly-dispersed and stable paste; and to provide a nonaqueous secondary battery showing an excellent life characteristic by composing the battery using the electrode plate for a negative electrode. SOLUTION: The content of iron in graphite of an active material in this application is below 500 ppm. A kneading process of paste for forming a negative electrode coating comprises at least three processes such as an initial kneading process for adding thickener powder to the graphite and kneading them with a dispersion medium, a diluting/kneading process for diluting and kneading the kneaded substance obtained in the initial kneading process with the dispersion medium, and a finishing kneading process for adding a binding material to the kneaded substance obtained in the diluting/kneading process to manufacture the paste by kneading them; and is characterized by that shearing force of the kneading in the initial kneading process is 2.5 times or more as much as those in the diluting/kneading process and the finishing kneading process. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过制造高分散稳定的浆料，提供一种负极用电极板，其中施加糊剂的重量分散很小; 并且通过使用用于负极的电极板构成电池来提供显示出优异寿命特性的非水二次电池。解决方案：本申请中活性物质的石墨中铁的含量低于500ppm。用于形成负极涂层的糊料的捏合方法包括至少三种方法，例如用于向石墨中加入增稠剂粉末并用分散介质捏合的初始捏合方法，用于稀释和捏合所获得的捏合物的稀释/捏合方法在与分散介质的初始捏合过程中，以及用于在稀释/捏合过程中获得的捏合物中加入粘结材料以通过捏合来制备糊料的精加工捏合工艺; 其特征在于，初始混炼工序中的混炼的剪切力是稀释/捏合工序和精整混炼工序的2.5倍以上。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2007035472A Lithium secondary battery, negative electrode material and negative electrode for lithium secondary battery, and manufacturing method thereof 有权
标题翻译：锂二次电池，负极电极材料和锂二次电池的负极及其制造方法
公开(公告)号：JP2007035472A
公开(公告)日：2007-02-08
申请号：JP2005218265
申请日：2005-07-28
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： KASHIWAGI KOKUKIYO
IPC分类号： H01M4/02 , H01M4/04 , H01M4/133 , H01M4/1393 , H01M4/36 , H01M4/587 , H01M4/62 , H01M10/05
CPC分类号： Y02P70/54
摘要： PROBLEM TO BE SOLVED: To provide a technique for combining graphite with a conductive material in a form having a high dispersion property, and also to provide a long-life lithium secondary battery by using it for a negative electrode thereof.
SOLUTION: This negative electrode material is manufactured by combining graphite, a conductive material, and a binder together and converting them into particles, and the conductive material is a carbon fiber having a minor axis of 150-500 nm and an aspect ratio of 100-200. This manufacturing method of a negative electrode using it is used for manufacturing composite particles by using graphite, the conductive material being a carbon fiber having a minor axis of 150-500 nm and an aspect ratio of 100-200, and the binder, and includes: a first process for circulating graphite in a circulating airflow; a second process for spraying a solution with the conductive material and the binder dispersed therein to the circulating graphite and drying them; a third process for turning the obtained composite particles into paste; and a fourth process for applying the paste to a collector and drying it.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种以高分散性的形式将石墨与导电材料组合的技术，并且还通过将其用于其负极来提供长寿命的锂二次电池。＆lt; P＆gt;解决方案：该负极材料通过将石墨，导电材料和粘合剂组合在一起并将其转化为颗粒而制造，并且导电材料是具有150-500nm的短轴和宽高比的碳纤维 100-200。这种使用它的负极的制造方法用于通过使用石墨来制造复合颗粒，导电材料是具有150-500nm的短轴和100-200的纵横比的碳纤维和粘合剂，并且包括：在循环气流中循环石墨的第一种方法; 将导电材料和粘合剂分散在其中的溶液喷射到循环石墨并将其干燥的第二种方法; 用于将所得复合颗粒转化为糊料的第三种方法; 以及将糊状物施加到收集器并将其干燥的第四种方法。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2005340072A Manufacturing method of positive plate for nonaqueous secondary battery 审中-公开
标题翻译：非正式二次电池正极板的制造方法
公开(公告)号：JP2005340072A
公开(公告)日：2005-12-08
申请号：JP2004159170
申请日：2004-05-28
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： KURODA AKIRA , KASHIWAGI KOKUKIYO , FUKUNAGA MASAO , SUZUKI GOHEI , SUMIHARA MASANORI
IPC分类号： H01M10/05 , H01M4/1391 , H01M4/36 , H01M4/62 , H01M4/04 , H01M4/02
CPC分类号： Y02P70/54
摘要： PROBLEM TO BE SOLVED: To provide a positive plate capable of increasing capacity by reducing binding material and thickening agent, expanding life by reducing irregularity of coating weight and improving high temperature keeping properties by reducing conductive material by using an even dispersal effect of electrode plate structuring materials by improving the conductive material, the binding material and the thickening agent which are structuring materials other than an active material contributing to battery capacity and a large capacity nonaqueous secondary battery using the positive plate. SOLUTION: In the electrode panel structured by mixing and dispersing the active material A, the conductive material B, the rubber particle binding material C having acrylate units and the thickening agent D of water soluble polymer in water, the active material A and the conductive material B is moistened with water solution of the thickening agent D as a first mixing and then the binding material C and water are added and mixed. In the above procedure, the binding material C is 0.2 to 1.4 pts.wt. of the active material A and viscosity of 1 wt.% water solution of the thickening agent D is 2.5 to 18Pa s. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够通过减少粘合材料和增稠剂来增加容量的正极板，通过减少涂层重量的不均匀性并延长使用寿命，并通过使用均匀的分散效应减少导电材料来改善高温保持性能通过改善导电材料，粘合材料和增稠剂的电极板结构材料，其是构成不同于有助于电池容量的活性材料的结构材料和使用正极板的大容量非水二次电池。解决方案：在通过混合和分散活性材料A，导电材料B，具有丙烯酸酯单元的橡胶颗粒粘合材料C和水溶性聚合物的增稠剂D在水中的活性材料A和作为第一次混合，用增稠剂D的水溶液润湿导电材料B，然后加入并混合粘结材料C和水。在上述步骤中，粘合材料C为0.2〜1.4重量份。的活性物质A，增稠剂D的1重量％水溶液的粘度为2.5〜18Pa·s。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2005339996A Manufacturing method of positive electrode plate for nonaqueous secondary cell 审中-公开
标题翻译：非电解二次电池正极电极板的制造方法
公开(公告)号：JP2005339996A
公开(公告)日：2005-12-08
申请号：JP2004157418
申请日：2004-05-27
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： SUZUKI GOHEI , KURODA AKIRA , KASHIWAGI KOKUKIYO , FUKUNAGA MASAO , SUMIHARA MASANORI
IPC分类号： H01M4/131 , H01M4/1391 , H01M4/36 , H01M4/62 , H01M4/04
CPC分类号： Y02P70/54
摘要： PROBLEM TO BE SOLVED: To provide an electrode plate for a positive electrode capable of uniformly dispersing electrode plate structuring materials by improving a blend method of a conductive material, a binding material, and a thickener being as structuring materials other than active materials contributing to a cell capacity when a blending quantity of materials other than the above active materails is substantially reduced, and also capable of having less weight variations at coating and having a high capacity. SOLUTION: An electrode plate is structured by kneading and dispersing an active material A, a conductive material B, a rubber particle binding material C having an acrylate unit, and a thickener D of a water soluble polymer with water. After the active material A and the conductive material B are moistened in a solution of the thickener D, and processed in a first-stage kneading, then a binding material C and water are added and kneaded, the binding material C from 0.2 to 1.4 weight parts per 100 weight parts of the active material A. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供一种能够通过改进导电材料，粘合材料和增稠剂的混合方法作为活性材料以外的结构材料的均匀分散电极板结构材料的正极的电极板当除了上述有效材料以外的材料的混合量显着降低时，有助于电池容量，并且还能够在涂层处具有较小的重量变化并具有高容量。解决方案：电极板通过将具有丙烯酸酯单元的活性材料A，导电材料B，具有丙烯酸酯单元的橡胶颗粒粘合材料C和水溶性聚合物的增稠剂D与水捏合分散而构成。在活性材料A和导电材料B在增稠剂D的溶液中润湿后，在第一阶段捏合中进行处理，然后加入粘合材料C和水并将其混合，粘结材料C为0.2-1.4重量份每100重量份活性物质A的份数。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2008243656A Electrode for electrochemical element, and manufacturing method therefor 审中-公开
标题翻译：电化学元件用电极及其制造方法
公开(公告)号：JP2008243656A
公开(公告)日：2008-10-09
申请号：JP2007083730
申请日：2007-03-28
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： KASHIWAGI KOKUKIYO
IPC分类号： H01M4/134 , H01M4/1395 , H01M4/38 , H01M4/48
CPC分类号： Y02P70/54
摘要： PROBLEM TO BE SOLVED: To provide a method appropriate for mass production in which lithium equivalent to irreversible capacity can be supplemented uniformly in a short time, when using Si and its oxide for an active material, in order to enlarge the capacity of an electrochemical element.
SOLUTION: The manufacturing method of an electrode for the electrochemical element includes a first process of continuously installing active material layers for storing and releasing lithium on a conductive current collector, and forming a precursor of the electrode in a hoop state; a second process of forming a plurality of grooves in the active material layer; and a third process of membrane forming lithium on the active material layer.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供适合于批量生产的方法，其中当使用Si及其氧化物作为活性物质时，可以在短时间内均匀地补充相当于不可逆容量的锂，以便扩大容量电化学元素。解决方案：用于电化学元件的电极的制造方法包括在导电集电体上连续安装用于储存和释放锂的活性材料层的第一工艺，以及形成环状的电极的前体; 在所述活性物质层中形成多个槽的第二工序; 以及在活性物质层上形成锂的第三种方法。版权所有（C）2009，JPO＆INPIT

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