JP2007059824A - 電解コンデンサの駆動用電解液 - Google Patents
電解コンデンサの駆動用電解液 Download PDFInfo
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- JP2007059824A JP2007059824A JP2005246470A JP2005246470A JP2007059824A JP 2007059824 A JP2007059824 A JP 2007059824A JP 2005246470 A JP2005246470 A JP 2005246470A JP 2005246470 A JP2005246470 A JP 2005246470A JP 2007059824 A JP2007059824 A JP 2007059824A
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Abstract
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一方、ポリビニルアルコールはマンニトールより少量の添加で電解液の耐電圧向上が図れるが、エチレングリコールを主成分とする溶媒に対して溶解性が著しく低いため多量に添加ができない上、電解液の加熱と攪拌が長時間必要になるという問題がある。
また、多価アルコール類は主溶質である高級二塩基酸ともエステル反応を起こすことがあるため、電解液自身の特性変化が大きくなるという問題点がある。
また、メチルフェニルグリシッド酸エチルがカルボニル基を有することで、高温での安定性も高められる。
しかも、メチルフェニルグリシッド酸エチルは、エチレングリコールを主成分とする溶媒に対して溶解性が高いため、多量に添加することができ、かつ、電解液を調製する際、電解液の加熱と攪拌が短時間で済む。
さらに、メチルフェニルグリシッド酸エチルは、主溶質のカルボン酸とのエステル化反応が少ない。
従って、本発明に係る電解液によれば、低比抵抗化および耐電圧の上昇の双方を図ることができ、さらに、電解コンデンサの信頼性を向上することができる。
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JP2005246470A JP4637685B2 (ja) | 2005-08-26 | 2005-08-26 | 電解コンデンサの駆動用電解液 |
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JP2005246470A JP4637685B2 (ja) | 2005-08-26 | 2005-08-26 | 電解コンデンサの駆動用電解液 |
Publications (2)
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JP2007059824A true JP2007059824A (ja) | 2007-03-08 |
JP4637685B2 JP4637685B2 (ja) | 2011-02-23 |
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JP2005246470A Active JP4637685B2 (ja) | 2005-08-26 | 2005-08-26 | 電解コンデンサの駆動用電解液 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009057427A1 (ja) * | 2007-10-29 | 2009-05-07 | Ube Industries, Ltd. | 第二級カルボン酸化合物及びそれを用いた電解コンデンサ用電解液 |
US20160172708A1 (en) * | 2013-07-23 | 2016-06-16 | Basf Se | Oxiranyl-acyl derivatives as additives for electrolytes in lithium ion batteries |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002184654A (ja) * | 2000-12-18 | 2002-06-28 | Nippon Chemicon Corp | 電解コンデンサ用電解液 |
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2005
- 2005-08-26 JP JP2005246470A patent/JP4637685B2/ja active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002184654A (ja) * | 2000-12-18 | 2002-06-28 | Nippon Chemicon Corp | 電解コンデンサ用電解液 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009057427A1 (ja) * | 2007-10-29 | 2009-05-07 | Ube Industries, Ltd. | 第二級カルボン酸化合物及びそれを用いた電解コンデンサ用電解液 |
JPWO2009057427A1 (ja) * | 2007-10-29 | 2011-03-10 | 宇部興産株式会社 | 第二級カルボン酸化合物及びそれを用いた電解コンデンサ用電解液 |
US20160172708A1 (en) * | 2013-07-23 | 2016-06-16 | Basf Se | Oxiranyl-acyl derivatives as additives for electrolytes in lithium ion batteries |
JP2016531389A (ja) * | 2013-07-23 | 2016-10-06 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | リチウムイオン電池の電解質添加剤としてのオキシラニルアシル誘導体 |
US9793577B2 (en) * | 2013-07-23 | 2017-10-17 | Basf Se | Oxiranyl-acyl derivatives as additives for electrolytes in lithium ion batteries |
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