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1. 发明公开

EP2833381A1 ELECTROLYTE SOLUTION FOR ELECTROCHEMICAL DEVICES, ALUMINUM ELECTROLYTIC CAPACITOR, AND ELECTRIC DOUBLE LAYER CAPACITOR 审中-公开
标题翻译：电解液中电化学装置，铝电解电容器和电双层电容器
公开(公告)号：EP2833381A1
公开(公告)日：2015-02-04
申请号：EP13770355.9
申请日：2013-02-08
申请人： Sumitomo Seika Chemicals Co., Ltd.
发明人： OYAMA Shunji , YAMAMOTO Noriko , HIRABAYASHI Naoka
IPC分类号： H01G9/035 , H01G11/54
CPC分类号： H01G9/035 , H01G9/145 , H01G11/60 , Y02E60/13
摘要： The present invention aims to provide an electrolyte solution for electrochemical devices, which has excellent thermal stability and high decomposition voltage and produces a small amount of evaporation at high temperatures. The present invention also aims to provide an aluminum electrolytic capacitor and an electric double layer capacitor, both of which include the electrolyte solution for electrochemical devices. The present invention relates to an electrolyte solution for electrochemical devices, the electrolyte solution including a solvent and an electrolyte, the solvent containing a sulfone compound represented by the formula (1):

wherein R represents a C 1-6 alkyl group.
摘要翻译：本发明旨在提供一种用于电化学装置的电解质溶液，其具有优异的热稳定性和高的分解电压，并在高温时蒸发的量小。因此，本发明旨在提供到铝电解电容器和电双层电容器，这两者包括用于电化学设备的电解质溶液。本发明涉及到在用于电化学装置的电解质溶液，所述电解质溶液包含溶剂和电解质中含有由下式表示的砜化合物的溶剂（1）：R worin darstellt C1-6烷基。

2. 发明公开

EP3595072A1 ADDITIVE FOR NON-AQUEOUS ELECTROLYTIC SOLUTIONS, NON-AQUEOUS ELECTROLYTIC SOLUTION, AND ELECTRICAL STORAGE DEVICE 审中-实审
公开(公告)号：EP3595072A1
公开(公告)日：2020-01-15
申请号：EP18763718.6
申请日：2018-03-06
申请人： Sumitomo Seika Chemicals Co., Ltd.
发明人： TAKAI Yasuyuki , KONO Yuki , YAMAMOTO Noriko , FUJITA Koji
IPC分类号： H01M10/0567 , H01G11/64 , H01M4/505 , H01M4/525 , H01M10/052
摘要： Disclosed is an additive for nonaqueous electrolyte solutions, including a first compound represented by the formula (1), and at least one second compound selected from the group consisting of an ethylene carbonate compound, a vinyl ethylene carbonate compound, a cyclic sulfonic acid ester compound, and a cyclic disulfonic acid ester compound,

in the formula (1), X represents a sulfonyl group or a carbonyl group, and R 1 represents an alkyl group having 1 to 4 carbon atoms and optionally substituted with a halogen atom or the like.

3. 发明公开

EP3279995A1 ADDITIVE FOR NON-AQUEOUS ELECTROLYTE, NON-AQUEOUS ELECTROLYTE, AND POWER STORAGE DEVICE 审中-公开
标题翻译：用于非水电解液，非水电解液和电力储存装置的添加剂
公开(公告)号：EP3279995A1
公开(公告)日：2018-02-07
申请号：EP16772867.4
申请日：2016-03-29
申请人： Sumitomo Seika Chemicals Co., Ltd.
发明人： KONO Yuki , TAKAI Yasuyuki , FUJITA Koji , YAMAMOTO Noriko
IPC分类号： H01M10/0567 , H01G11/64 , H01M10/052
CPC分类号： H01M10/0567 , C07D207/48 , C07D209/48 , C07D231/12 , C07D275/03 , C07D275/06 , C07D285/01 , H01G11/22 , H01G11/60 , H01G11/62 , H01G11/64 , H01M10/052 , H01M10/0525 , H01M10/0568 , H01M10/0569 , H01M2300/0037 , Y02E60/13
摘要： An additive for a non-aqueous electrolyte solution including a compound represented by the following formula (A1) or (A2).

In the formula, X a represents a group that forms a cyclic group together with a nitrogen atom, Z a1 and Z a2 , Z a1 and Z a2 each independently represent a sulfonyl or carbonyl group, R a1 represents an optionally substituted alkylene group of 1 to 4 carbon atoms, an alkenylene group of 3 or 4 carbon atoms or an alkynylene group of 3 or 4 carbon atoms, R a2 represents a hydrogen atom, a halogen atom or an optionally substituted alkyl group of 1 to 4 carbon atoms, R a3 represents oxygen or an optionally substituted alkylene group of 1 to 4 carbon atoms, alkenylene group of 3 or 4 carbon atoms or alkynylene group of 3 or 4 carbon atoms.
摘要翻译：包含由下式（A1）或（A2）表示的化合物的非水电解液用添加剂。在该式中，Xa表示与氮原子一起形成环状基团的基团，Za1和Za2，Za1和Za2各自独立地表示磺酰基或羰基，Ra1表示任选取代的具有1至4个碳原子的亚烷基， 3或4个碳原子的亚烯基或3或4个碳原子的亚炔基，Ra 2表示氢原子，卤素原子或任选取代的具有1至4个碳原子的烷基，Ra 3表示氧或任选取代的亚烷基 1至4个碳原子的亚烯基，3或4个碳原子的亚烯基或3或4个碳原子的亚炔基。

4. 发明公开

EP3706228A1 ADDITIVE FOR NONAQUEOUS ELECTROLYTE SOLUTIONS, NONAQUEOUS ELECTROLYTE SOLUTION AND ELECTRICITY STORAGE DEVICE 审中-公开
公开(公告)号：EP3706228A1
公开(公告)日：2020-09-09
申请号：EP18873931.2
申请日：2018-10-30
申请人： Sumitomo Seika Chemicals Co., Ltd.
发明人： KONO Yuki , TAKAI Yasuyuki , YAMAMOTO Noriko , FUJITA Koji
IPC分类号： H01M10/0567 , H01G11/60 , H01G11/62 , H01G11/64 , H01M10/052 , H01M10/0568 , H01M10/0569
摘要： Disclosed is an additive for a nonaqueous electrolyte solution, including a compound represented by the following formula (1):

in formula (1), X represents a sulfonyl group or a carbonyl group, R 1 represents an alkyl group having 1 to 4 carbon atoms, which may be substituted with a halogen atom, a hydroxyl group, or the like, and R 2 represents a hydrocarbon group having 1 to 3 carbon atoms, which may be substituted with a halogen atom.

5. 发明授权

EP2833383B1 ELECTROLYTE SOLUTION FOR CAPACITORS, ELECTRIC DOUBLE LAYER CAPACITOR, AND LITHIUM ION CAPACITOR 有权
公开(公告)号：EP2833383B1
公开(公告)日：2019-08-14
申请号：EP13767784.5
申请日：2013-03-06
申请人： Sumitomo Seika Chemicals Co., Ltd.
发明人： KOBAYASHI Kazuyuki , YAMAMOTO Noriko
IPC分类号： H01G11/54

6. 发明公开

EP2833383A1 ELECTROLYTE SOLUTION FOR CAPACITORS, ELECTRIC DOUBLE LAYER CAPACITOR, AND LITHIUM ION CAPACITOR 审中-公开
标题翻译：用于电容器，电双层电容器和锂离子电容器的电解液解决方案
公开(公告)号：EP2833383A1
公开(公告)日：2015-02-04
申请号：EP13767784.5
申请日：2013-03-06
申请人： Sumitomo Seika Chemicals Co., Ltd.
发明人： KOBAYASHI Kazuyuki , YAMAMOTO Noriko
IPC分类号： H01G11/54
CPC分类号： H01G11/62 , H01G11/00 , H01G11/54 , H01G11/60 , Y02E60/13
摘要： The present invention provides a highly conductive, highly voltage-resistant, and stable liquid electrolyte solution for capacitors which does not coagulate and is free from precipitation of salts in a wide temperature range, particularly at low temperatures, shows excellent electrical characteristics, and has excellent long-term reliability. The present invention also provides an electric double-layer capacitor and a lithium ion capacitor produced using the electrolyte solution for capacitors. The present invention relates to an electrolyte solution for capacitors including: an organic solvent; and a quaternary ammonium salt or lithium salt dissolved in the organic solvent, the organic solvent containing acetonitrile and a chain alkyl sulfonic compound represented by the formula (1):

wherein R 1 and R 2 , which may be the same as or different from each other, each independently represent a straight or branched chain C1-C4 alkyl group.
摘要翻译：本发明提供用于电容器的高导电性，耐高电压且稳定的液体电解质溶液，其在宽温度范围内，特别是在低温下不凝固并且不析出盐，显示优异的电特性，并且具有优异的长期可靠性。本发明还提供使用该电解液用电解液制造的双电层电容器和锂离子电容器。本发明涉及用于电容器的电解质溶液，其包含：有机溶剂; 和溶解在有机溶剂中的季铵盐或锂盐，所述有机溶剂含有乙腈和由式（1）表示的链烷基磺酸化合物：其中R1和R2可以彼此相同或不同，各自独立地表示直链或支链C 1 -C 4烷基。

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