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    • 2. 发明专利
    • 電気化学キャパシタ
    • 电化学电容器
    • JP2015012079A
    • 2015-01-19
    • JP2013135220
    • 2013-06-27
    • ダイハツ工業株式会社Daihatsu Motor Co Ltd
    • MURABAYASHI MASANAOMURAYAMA ICHIROABE HIROKI
    • H01G11/52H01G11/54
    • 【課題】エネルギー密度の向上を図ることができる電気化学キャパシタを提供すること。【解決手段】本発明の電気化学キャパシタは、正極2と、負極3と、正極2と負極3との間に介在されるセパレータ4とを備え、セパレータ4に、正極2と隣接配置され、負極3において析出するリチウム析出物の通過を遮断する正極側セパレータ11と、負極3と隣接配置され、非水電解質に含まれるアニオンから誘導される負極活性阻害物質を捕捉する負極側セパレータ12と、正極側セパレータ11と負極側セパレータ12との間に配置され、気孔径が正極側セパレータ11の気孔径よりも大きい中間セパレータ13とを備えさせる。【選択図】図1
    • 要解决的问题:提供能够增加能量密度的电化学电容器。解决方案:本发明的电化学电容器包括:正极2; 负极3; 以及插入在正极2和负极3之间的隔膜4.隔板4包括:与正极2相邻设置的正极侧隔板11,并且阻挡析出在负极3上的锂析出物的通过 ; 与负极3相邻设置的负极侧隔板12,捕获由非水电解质所含的阴离子衍生的负极活性抑制剂。 以及设置在正极侧隔板11和负极侧隔板12之间并且具有比正极侧隔板11的孔径大的孔径的中间隔板13。
    • 3. 发明专利
    • Manufacturing method for electrochemical capacitor
    • 电化学电容器的制造方法
    • JP2014022528A
    • 2014-02-03
    • JP2012159112
    • 2012-07-17
    • Daihatsu Motor Co Ltdダイハツ工業株式会社
    • MURAYAMA ICHIROABE HIROKIMURABAYASHI MASANAO
    • H01G11/22H01G9/00
    • PROBLEM TO BE SOLVED: To provide a manufacturing method for electrochemical capacitor which allows for production of such an electrochemical capacitor that can minimize damage and performance degradation by reducing the amount of gas generated, while ensuring excellent coulomb efficiency.SOLUTION: In the manufacture of a hybrid capacitor 1 including a positive electrode 2, a negative electrode 3 disposed to face the positive electrode 2, a cell bath 6 housing the positive electrode 2 and negative electrode 3, and an electrolyte 5 stored in the cell bath 6 and with which the positive electrode 2 and negative electrode 3 are immersed, the electrolyte 5 is injected into the cell bath 6 so that the positive electrode 2 and negative electrode 3 are immersed therewith, and then the positive electrode 2 and negative electrode 3 are subjected to electrochemical activation treatment by applying a voltage thereto. In the electrochemical activation treatment, a lithium salt containing an oxalate complex as an anion, and (meth) acrylic acid ester of polyatomic alcohol are added previously to the electrolyte, and a voltage is applied to the positive electrode 2 and negative electrode 3 with a current density of 2 mA/cmor less.
    • 要解决的问题:提供一种电化学电容器的制造方法,其能够生产这种电化学电容器,其可以通过减少产生的气体量来最小化损伤和性能降低,同时确保优异的库仑效率。解决方案:在制造 混合电容器1包括正电极2,与正电极2相对配置的负电极3,容纳正电极2和负电极3的电池槽6和存储在电池6中的电解液5,并且阳极 浸渍电极2和负极3,将电解质5注入电池槽6中,使正极2和负极3浸渍,然后使正极2和负极3通过电化学活化处理 向其施加电压。 在电化学活化处理中,预先将含有作为阴离子的草酸盐络合物的锂盐和多元醇的(甲基)丙烯酸酯)添加到电解质中,并且向正极2和负极3施加电压 电流密度为2mA / cm以下。
    • 5. 发明专利
    • Electrochemical capacitor
    • 电化学电容器
    • JP2014165187A
    • 2014-09-08
    • JP2013031949
    • 2013-02-21
    • Daihatsu Motor Co Ltdダイハツ工業株式会社
    • MURAYAMA ICHIROABE HIROKIMURABAYASHI MASANAO
    • H01G11/54
    • PROBLEM TO BE SOLVED: To provide an electrochemical capacitor which suppresses gas generation and can ensure an excellent power storage capacitance.SOLUTION: A hybrid capacitor 1 comprises: a positive electrode 2; a negative electrode 3 opposed to the positive electrode 2; a cell bath 6 for holding therein the positive and negative electrodes 2 and 3; and an electrolyte 5 which is stored in the cell bath 6 and in which the positive and negative electrodes 2 and 3 are immersed. The electrolyte 5 includes LiBF, and a mixed solvent of ethylene carbonate and dimethyl carbonate so that the content of the ethylene carbonate falls in a range of 50-80 vol.% relative to a total amount of the ethylene carbonate and the dimethyl carbonate.
    • 要解决的问题:提供抑制气体产生的电化学电容器,并且可以确保优异的功率储存电容。解决方案:混合电容器1包括:正极2; 与正极2相对的负极3; 用于保持正极和负极2和3的电池6; 以及电解液5,其被储存在电池槽6中,并且正极和负极2和3浸入其中。 电解质5包括LiBF和碳酸亚乙酯和碳酸二甲酯的混合溶剂,使得碳酸亚乙酯的含量相对于碳酸亚乙酯和碳酸二甲酯的总量为50-80体积%。
    • 6. 发明专利
    • Manufacturing method for electrochemical capacitor and electrochemical capacitor
    • 电化学电容器和电化学电容器的制造方法
    • JP2014022529A
    • 2014-02-03
    • JP2012159113
    • 2012-07-17
    • Daihatsu Motor Co Ltdダイハツ工業株式会社
    • MURAYAMA ICHIROABE HIROKIMURABAYASHI MASANAO
    • H01G11/54
    • Y02E60/13
    • PROBLEM TO BE SOLVED: To provide a manufacturing method for electrochemical capacitor which allows for production of such an electrochemical capacitor that can minimize damage and performance degradation by reducing the amount of gas generated, while ensuring excellent coulomb efficiency, and to provide an electrochemical capacitor.SOLUTION: In the manufacture of a hybrid capacitor 1, an electrolyte 5 is injected into a cell bath 6 so that a positive electrode 2 and a negative electrode 3 are immersed therewith, and an additive is added to the electrolyte 5. A mixture solvent consisting of a first solvent composed of ethylene carbonate and at least one kind of second solvent, selected from a group consisting of dimethyl carbonate, diethyl carbonate and ethyl methyl carbonate, but not containing propylene carbonate is contained in the electrolyte 5, and a lithium salt containing an oxalate complex as anion, and (meth)acrylic acid ester of polyatomic alcohol are contained in the additive.
    • 要解决的问题:提供一种电化学电容器的制造方法,其能够制造这样的电化学电容器,其能够通过减少产生的气体的量来最小化损伤和性能降低,同时确保优异的库仑效率,并提供电化学电容器。 解决方案:在混合电容器1的制造中,将电解质5注入电池槽6中,使正电极2和负电极3浸入其中,并将添加剂加入到电解质5中。将包含 由碳酸亚乙酯和选自碳酸二甲酯,碳酸二乙酯和碳酸甲乙酯中的至少一种第二溶剂的第一溶剂包含在电解质5中,并且含有 作为阴离子的草酸盐配合物和多原子醇的(甲基)丙烯酸酯被添加剂 。
    • 7. 发明专利
    • Method of manufacturing electrochemical capacitor
    • 制造电化学电容器的方法
    • JP2013211421A
    • 2013-10-10
    • JP2012080841
    • 2012-03-30
    • Daihatsu Motor Co Ltdダイハツ工業株式会社
    • YAMADA KOJIAIDA TAIRATSUJIMOTO HIROMITSUAKIYAMA MASATOABE HIROKI
    • H01G11/22H01G11/54
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing an electrochemical capacitor capable of minimizing damage or performance degradation, while ensuring excellent coulomb efficiency, by reducing the generation rate of gas.SOLUTION: In a method of manufacturing a hybrid capacitor 1 including a positive electrode 2, a negative electrode 3 disposed to face the positive electrode 2, a cell tank 6 for housing the positive electrode 2 and negative electrode 3, and an electrolyte 5 pooled in the cell tank 6 and in which the positive electrode 2 and negative electrode 3 are immersed, at first, the electrolyte 5 is injected into the cell tank 6 so that the positive electrode 2 and negative electrode 3 are immersed therein (injection step), subsequently, the positive electrode 2 and negative electrode 3 are subjected to electrochemical activation treatment by applying a voltage thereto (electrochemical activation treatment step), thereafter, an additive containing a lithium salt having an oxalate complex as anion, and (meta)acrylic acid ester of polyatomic alcohol is added to the electrolyte 5 (addition step).
    • 要解决的问题:提供一种制造能够使损伤或性能下降最小化的电化学电容器的方法,同时通过降低气体的产生速率确保优异的库伦效率。解决方案:在制造包括阳性的混合电容器1的方法中 电极2,与正极2相对配置的负极3,容纳正极2和负极3的电池槽6和汇集在电池槽6中的电解质5,其中正极2和负极 首先,将电解液5注入电池槽6中,使正极2和负极3浸渍在其中(注入工序),然后对正极2和负极3进行电化学活化 通过施加电压进行处理(电化学活化处理步骤),然后,添加含有具有以下的锂盐的添加剂 草酸盐配合物作为阴离子,和多元醇的(甲基)丙烯酸酯加入到电解质5中(添加步骤)。
    • 8. 发明专利
    • Electrochemical cell
    • 电化学细胞
    • JP2013074164A
    • 2013-04-22
    • JP2011212719
    • 2011-09-28
    • Daihatsu Motor Co Ltdダイハツ工業株式会社
    • FUJIMURA ICHIROAIDA TAIRANAGAO KYOTAKAABE HIROKI
    • H01G11/66H01G11/22H01M2/26H01M4/02H01M4/13H01M10/04
    • Y02E60/13
    • PROBLEM TO BE SOLVED: To provide an electrochemical cell in which internal resistance can be minimized and excellent output characteristics can be ensured by a simple configuration.SOLUTION: In a hybrid capacitor including a positive electrode 2, a negative electrode 3 disposed to face the positive electrode, and an electrolyte with which the positive electrode and the negative electrode are immersed, the positive electrode and/or the negative electrode includes a penetration 10 having at least one side and penetrating in the thickness direction, and tabs 11a, 11b for current collection formed partially on one side. The penetrations for removing the gas generated by oxidative decomposition of the electrolyte are formed toward the tabs for current collection in the shape of slit.
    • 要解决的问题:提供一种电化学电池,其中内阻可以最小化,并且通过简单的配置可以确保优异的输出特性。 解决方案:在包括正电极2,与正电极相对配置的负电极3和浸入正极和负电极的电解质的混合电容器中,正极和/或负极 包括具有至少一个侧面并在厚度方向上穿透的穿透部分10,以及部分地在一侧形成的用于集流的突片11a,11b。 用于去除由电解质的氧化分解产生的气体的穿透物形成为用于以狭缝形状进行电流收集的突片。 版权所有(C)2013,JPO&INPIT