Method for manufacturing electrode for power storage device, and power storage device
    1.
    发明专利
    Method for manufacturing electrode for power storage device, and power storage device 审中-公开
    用于制造用于蓄电装置的电极的方法和电力存储装置

    公开(公告)号:JP2012252824A

    公开(公告)日:2012-12-20

    申请号:JP2011123246

    申请日:2011-06-01

    发明人: YAMADA RYOJI

    IPC分类号: H01M4/04 H01M4/139 H01M4/62

    CPC分类号: Y02P70/54

    摘要: PROBLEM TO BE SOLVED: To provide a method for manufacturing an electrode for a power storage device offering a high discharge capacity, a high output, and excellent rate characteristics; and a power storage device offering a high discharge capacity, a high output, and excellent rate characteristics.SOLUTION: The method for manufacturing an electrode for a power storage device comprises the steps of: (a) obtaining a coating liquid for forming an electrode composite layer by mixing an electrode active material having an average particle size of 5 μm or smaller, a fluid dispersion of carbon nanotubes or carbon nanofibers, and a solution or a fluid dispersion of a polymeric binder if necessary, (b) obtaining a layered body by applying and drying the coating liquid for forming an electrode composite layer to the surface of a collector to form an electrode composite layer, and (c) obtaining an electrode for a power storage device by rolling the layered body.

    摘要翻译: 解决的问题:提供一种提供高放电容量,高输出和优异的速率特性的蓄电装置用电极的制造方法。 以及提供高放电容量,高输出和优异的速率特性的蓄电装置。 解决方案:用于制造蓄电装置的电极的方法包括以下步骤:(a)通过混合平均粒径为5μm或更小的电极活性材料获得用于形成电极复合层的涂布液 ,碳纳米管或碳​​纳米纤维的流体分散体,以及聚合物粘合剂的溶液或流体分散体,如果需要,(b)通过将用于形成电极复合层的涂布液施加和干燥来形成层状体 集电体,形成电极复合层,(c)通过轧制层叠体获得蓄电装置用电极。 版权所有(C)2013,JPO&INPIT

    Method of manufacturing electrode composite for secondary battery, electrode for secondary battery and secondary battery
    3.
    发明专利
    Method of manufacturing electrode composite for secondary battery, electrode for secondary battery and secondary battery 审中-公开
    用于二次电池的电极复合材料的制造方法,二次电池用电极和二次电池

    公开(公告)号:JP2011258333A

    公开(公告)日:2011-12-22

    申请号:JP2010129849

    申请日:2010-06-07

    发明人: YAMADA RYOJI

    IPC分类号: H01M4/139 H01M4/13 H01M4/62

    CPC分类号: Y02P70/54

    摘要: PROBLEM TO BE SOLVED: To provide a method of manufacturing an electrode composite for a nonaqueous electrolyte secondary battery with excellent battery characteristics from a gelatinized dispersed element used for manufacturing an electrode composite which can not be obtained from a conventional coating method.SOLUTION: The method of manufacturing an electrode composite for a secondary battery includes: (1) a gelatinization step of obtaining a gelatinized composition by gelatinizing a dispersed element by bringing at least a part of a binder into fibril-like form, where the dispersed element contains an electrode active material, the binder containing a polymer which can be brought into the fibril-like form, and a dispersant; and (2) a sheet forming step of forming the gelatinized composition into a sheet shape, removing the dispersant, and obtaining the sheet-like electrode composite for a secondary battery.

    摘要翻译: 解决问题的方法:提供一种由用于制造电极复合材料的糊化分散元件制成具有优异电池特性的非水电解质二次电池用电极复合材料的方法,该电极复合材料不能用传统的涂覆方法获得。 解决方案:制造二次电池用电极复合体的方法包括:(1)凝胶化步骤,通过使粘合剂的至少一部分以原纤维状形式使分散元素凝胶化而获得糊化组合物,其中 所述分散元件含有电极活性物质,所述粘合剂含有能够呈原纤维状的聚合物和分散剂; 和(2)将糊化组合物形成片状的片材形成工序,除去分散剂,得到二次电池用片状电极复合体。 版权所有(C)2012,JPO&INPIT

    Method for manufacturing electrode for storage element, and storage element
    4.
    发明专利
    Method for manufacturing electrode for storage element, and storage element 审中-公开
    用于存储元件的电极的制造方法和存储元件

    公开(公告)号:JP2013175322A

    公开(公告)日:2013-09-05

    申请号:JP2012038196

    申请日:2012-02-24

    发明人: YAMADA RYOJI

    IPC分类号: H01M4/139 H01M4/62

    CPC分类号: Y02P70/54

    摘要: PROBLEM TO BE SOLVED: To provide a method for manufacturing an electrode for a storage element, capable of manufacturing the electrode for the storage element having sufficiently large charge/discharge capacity even at a high charge/discharge rate, and to provide the storage element.SOLUTION: The method for manufacturing an electrode for a storage element includes the step of obtaining a coating liquid for electrode composite layer formation by introducing a liquid to be processed including an electrode active material, a fibrous carbonaceous material, a dispersant for the fibrous carbonaceous material, a resin binder and a medium into a specified distributed processing apparatus 1 under pressure of 30-200 MPa to process the liquid, and other steps. Two or more kinds of fibrous carbonaceous materials having different mean fiber lengths are used. Out of the two or more kinds of fibrous carbonaceous materials, a fibrous carbonaceous material (A) having the shortest mean fiber length is a mean fiber length Lof 0.1-20 μm, a mean fiber diameter of 2-20 nm and an aspect ratio of 4-2000, and a fibrous carbonaceous material (B) having the longest mean fiber length is a mean fiber length Lof 5 μm or more, a mean fiber diameter of 2-25 nm and an aspect ratio of 400 or more, where L/Lis 0.7 or less.

    摘要翻译: 要解决的问题:提供一种用于制造用于存储元件的电极的方法,其能够即使以高的充电/放电速率制造具有足够大的充电/放电容量的存储元件的电极,并且提供存储元件。 解决方案:用于制造储存元件的电极的方法包括以下步骤:通过引入包括电极活性材料,纤维状含碳材料,纤维状含碳材料的分散剂的待处理液体来获得用于电极复合层形成的涂布液 ,树脂粘合剂和介质,在30-200MPa的压力下进入指定的分散处理装置1中以处理液体等步骤。 使用具有不同平均纤维长度的两种或更多种纤维状碳质材料。 在两种以上的纤维状碳质材料中,平均纤维长度最短的纤维状碳质材料(A)的平均纤维长度L为0.1-20μm,平均纤维直径为2-20nm,纵横比 4-2000,平均纤维长度最长的纤维质碳质材料(B)的平均纤维长度L为5μm以上,平均纤维直径为2〜25nm,纵横比为400以上,其中L / Lis 0.7以下。

    Manufacturing method of electrode for electricity-storage devices, electrode for electricity-storage device, and electricity-storage device
    5.
    发明专利
    Manufacturing method of electrode for electricity-storage devices, electrode for electricity-storage device, and electricity-storage device 审中-公开
    蓄电装置用电极的制造方法,蓄电装置用电极及蓄电装置

    公开(公告)号:JP2012094331A

    公开(公告)日:2012-05-17

    申请号:JP2010239918

    申请日:2010-10-26

    发明人: YAMADA RYOJI

    CPC分类号: Y02E60/13

    摘要: PROBLEM TO BE SOLVED: To provide a manufacturing method of an electrode for electricity-storage devices which allows the manufacture of an electrode for electricity-storage devices such that a composite layer of the electrode is less prone to exfoliate from a current collector even with a small content of polytetrafluoroethylene.SOLUTION: The manufacturing method of an electrode for electricity-storage devices comprises the steps of: (a)mixing at least an aqueous fluid dispersion of polytetrafluoroethylene, an electrode active material, and a conductive assistant to prepare a fluid dispersion(A) having a viscosity of 100-1100 mPa s at 25°C; (b)stirring the fluid dispersion(A) into a viscous liquid(B) having an increased viscosity of 1200-20000 mPa s at 25°C; (c)applying the viscous liquid(B) to a surface of a current collector, followed by drying to form a composite layer of the electrode thereby forming a laminate; and (d)rolling the laminate thereby forming the electrode for electricity-storage devices.

    摘要翻译: 解决的问题:提供一种用于蓄电装置的电极的制造方法,其允许制造用于蓄电装置的电极,使得电极的复合层不容易从集电体剥离 即使使用少量的聚四氟乙烯。 解决方案:用于蓄电装置的电极的制造方法包括以下步骤:(a)至少混合聚四氟乙烯的水性分散体,电极活性物质和导电助剂,以制备流体分散体(A )在25℃下的粘度为100-1100mPa·s; (b)在25℃下将流体分散体(A)搅拌成粘度为1200-20000mPa·s的粘性液体(B); (c)将粘性液体(B)施加到集电体的表面,然后干燥以形成电极的复合层,从而形成层压体; 和(d)轧制层压板,从而形成用于蓄电装置的电极。 版权所有(C)2012,JPO&INPIT

    Method for manufacturing electrode active material for storage element
    6.
    发明专利
    Method for manufacturing electrode active material for storage element 审中-公开
    用于存储元件制造电极活性材料的方法

    公开(公告)号:JP2011233340A

    公开(公告)日:2011-11-17

    申请号:JP2010102090

    申请日:2010-04-27

    发明人: YAMADA RYOJI

    CPC分类号: Y02E60/13

    摘要: PROBLEM TO BE SOLVED: To provide a method for manufacturing an electrode active material for a storage element in a short time.SOLUTION: In the method for manufacturing an electrode active material for a storage element, a microwave furnace is used. The microwave furnace includes at least two inverter-controlled microwave oscillators which are arranged so that microwave irradiation regions are overlapped with each other in one region and are operated in a mutually decoupled state. A mixture of raw material components is supplied to the irradiation regions to be heated by the microwave furnace.

    摘要翻译: 要解决的问题:提供一种在短时间内制造用于存储元件的电极活性材料的方法。 解决方案:在用于制造用于存储元件的电极活性材料的方法中,使用微波炉。 微波炉包括至少两个逆变器控制的微波振荡器,其布置成使得微波照射区域在一个区域中彼此重叠并且以相互解耦的状态操作。 将原料成分的混合物供给到被微波炉加热的照射区域。 版权所有(C)2012,JPO&INPIT

    Method for manufacturing electrode for storage element and storage element
    7.
    发明专利
    Method for manufacturing electrode for storage element and storage element 审中-公开
    用于存储元件和存储元件的电极制造方法

    公开(公告)号:JP2013098085A

    公开(公告)日:2013-05-20

    申请号:JP2011241381

    申请日:2011-11-02

    发明人: YAMADA RYOJI

    CPC分类号: Y02E60/13

    摘要: PROBLEM TO BE SOLVED: To provide a method for manufacturing an electrode for a storage element capable of manufacturing an electrode for a storage element for giving a storage element having sufficiently large charge discharge capacity even at a high charge discharge rate, and a storage element.SOLUTION: The method for manufacturing an electrode for a storage element has a process or the like for mixing an electrode active material with a dispersion liquid of a fibrous carbonaceous material to acquire a coating liquid for electrode composite layer formation, and uses two or more kinds of different mean fiber lengths as the fibrous carbonaceous material. A material having the shortest mean fiber length among the two or more kinds of fibrous carbonaceous materials is a fibrous carbonaceous material (A) of a mean fiber length: 0.1 to 20 μm, a mean fiber diameter: 2 to 20 nm, and an aspect ratio: 4 to 2000, the material having the longest mean fiber length is a fibrous carbonaceous material (B) of a mean fiber length: 5 μm or more, a mean fiber diameter: 2 to 25 nm, and an aspect ratio: 400 or more, and the ratio (L/L) of the mean fiber length Lof (A) to the mean fiber length Lof (B) is 0.7 or less.

    摘要翻译: 解决方案:提供一种制造用于存储元件的电极的方法,所述存储元件的电极能够制造用于为具有足够大的充电放电容量的存储元件提供用于存储元件的电极,即使在高充电放电率下, 存储元件 解决方案:用于制造用于存储元件的电极的方法具有用于将电极活性材料与纤维状碳质材料的分散液混合以获得用于电极复合层形成的涂布液的方法,并且使用两个 或更多种不同的平均纤维长度作为纤维状含碳材料。 两种或更多种纤维状碳质材料中的平均纤维长度最短的材料是平均纤维长度为0.1〜20μm,平均纤维直径为2〜20nm的纤维质碳质材料(A) 比例为4〜2000,平均纤维长度最长的材料是平均纤维长度为5μm以上,平均纤维直径为2〜25nm,长宽比为400以下的纤维状碳质材料(B) 平均光纤长度L 的比例(L A / L B ) (A)与(B)的平均纤维长度L B 的A 为0.7以下。 版权所有(C)2013,JPO&INPIT

    Carbon nanomaterial dispersion
    8.
    发明专利
    Carbon nanomaterial dispersion 审中-公开
    碳纳米分散剂

    公开(公告)号:JP2012240875A

    公开(公告)日:2012-12-10

    申请号:JP2011111292

    申请日:2011-05-18

    发明人: YAMADA RYOJI

    IPC分类号: C01B31/02

    摘要: PROBLEM TO BE SOLVED: To provide a carbon nanomaterial dispersion capable of dispersing the carbon nanomaterial for a long time and highly concentrating the carbon nanomaterial.SOLUTION: This carbon nanomaterial dispersion contains the carbon nanomaterial (A), a partial decomposate (B) of sugar and a medium (C) capable of dissolving the partial decomposate (B) of sugar.

    摘要翻译: 要解决的问题:提供能够长时间分散碳纳米材料并高度浓缩碳纳米材料的碳纳米材料分散体。 解决方案:该碳纳米材料分散体含有碳纳米材料(A),糖的部分分解(B)和能够溶解糖的部分分解(B)的培养基(C)。 版权所有(C)2013,JPO&INPIT

    Method for manufacturing aqueous paste for forming power storage element electrode
    9.
    发明专利
    Method for manufacturing aqueous paste for forming power storage element electrode 审中-公开
    用于形成蓄电元件电极的水性浆料的制造方法

    公开(公告)号:JP2009295405A

    公开(公告)日:2009-12-17

    申请号:JP2008147506

    申请日:2008-06-04

    发明人: YAMADA RYOJI

    CPC分类号: Y02E60/13

    摘要: PROBLEM TO BE SOLVED: To provide a method for manufacturing aqueous paste for forming a power storage element electrode, in which an active material, a conduction aid, and a binder are finely homogeneously dispersed, high in workability, low in risk of damaging an environmental load and health of a human body; and to provide the power storage element electrode.
    SOLUTION: The active material, the conduction aid, the binder, a fluorine compound represented by formula (1): R-X (1) (in the formula, R is a fluorine-containing alkyl group having 3-15C and 7-13F or fluorine-containing alkyl group having an ethereal oxygen atom, the fluorine-containing alkyl group may have a side chain of 1-3C fluorine-containing alkyl group, X is carboxylic acid, an alkali metal salt or an ammonium salt of carboxylic acid, sulfonic acid, an alkali metal salt or an ammonium salt of sulfonic acid, and the number of the total carbon atoms in R-X is 4-16), and an aqueous medium are mixed so that the content of the fluorine compound represented by formula (1) becomes 0.0005-5 mass% to the whole weight of the aqueous paste.
    COPYRIGHT: (C)2010,JPO&INPIT

    摘要翻译: 解决方案:提供一种制造用于形成蓄电元件电极的水性糊料的方法,其中活性材料,导电助剂和粘合剂被精细均匀地分散,可加工性高,风险低 损害人体的环境负荷和健康; 并提供蓄电元件电极。 解决方案:活性物质,导电助剂,粘合剂,由式(1)表示的氟化合物:RX(1)(式中,R是含有3-15个碳原子的含氟烷基和7- 13F或具有醚性氧原子的含氟烷基,含氟烷基可以具有1-3个含氟烷基的侧链,X是羧酸,碱金属盐或羧酸铵盐 ,磺酸,碱金属盐或磺酸铵盐,RX中的总碳原子数为4〜16),并且将水性介质混合,使得式(I)表示的氟化合物的含量 1)相对于水性糊剂的全部重量为0.0005〜5质量%。 版权所有(C)2010,JPO&INPIT

    Water-based paste for forming power storage element electrode having small environmental load
    10.
    发明专利
    Water-based paste for forming power storage element electrode having small environmental load 有权
    用于形成具有小环境负荷的储能元件电极的水基浆料

    公开(公告)号:JP2009146871A

    公开(公告)日:2009-07-02

    申请号:JP2008040256

    申请日:2008-02-21

    CPC分类号: Y02E60/12

    摘要: PROBLEM TO BE SOLVED: To provide water-based paste for forming a power storage element electrode in which an electrode active material, a conductive aid, and a binder are dispersed minutely and homogeneously, which has high workability, in which there is a small environmental load and little possibility of damages on human health, and the power storage element electrode formed from the water-based paste.
    SOLUTION: The water-based paste for forming the power storage element electrode contains the electrode active material, the conductive aid, the binder, and a fluorine containing carboxylic acid compound group expressed in a general formula (1): R
    f1 OR
    f2 COOA (1) (in the formula, R
    f1 is a perfluoroalkyl group of the carbon number of 1 to 5, R
    f2 is straight-chain fluorine-containing alkylene group, which may contain an etheric oxygen atom, or a side chain of the perfluoroalkyl group of the carbon number of 1 to 3, and A is hydrogen atom, alkaline metal, or NH
    4 ).
    COPYRIGHT: (C)2009,JPO&INPIT

    摘要翻译: 要解决的问题:为了提供用于形成电极活性材料,导电助剂和粘合剂的电极活性材料,导电助剂和粘合剂形成的水性糊料,其具有高的可加工性,其具有高的可加工性,其中存在 环境负荷小,对人体健康造成损害的可能性小,以及由水性糊形成的蓄电元件电极。 解决方案:用于形成蓄电元件电极的水性糊剂包含通式(1)表示的电极活性物质,导电助剂,粘合剂和含氟羧酸化合物基团:R F1 OR f2 COOA(1)(式中,R f1 是碳数为1〜5的全氟烷基,R f2 是可以含有醚性氧原子的直链含氟亚烷基或碳数为1〜3的全氟烷基的侧链,A为氢原子,碱金属或 NH 4 )。 版权所有(C)2009,JPO&INPIT