JP4523834B2 - 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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- JP4523834B2 JP4523834B2 JP2004341820A JP2004341820A JP4523834B2 JP 4523834 B2 JP4523834 B2 JP 4523834B2 JP 2004341820 A JP2004341820 A JP 2004341820A JP 2004341820 A JP2004341820 A JP 2004341820A JP 4523834 B2 JP4523834 B2 JP 4523834B2
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- electrolytic solution
- acid
- electrolytic
- withstand voltage
- driving
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Description
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、多量に添加することができない上、電解液の加熱と攪拌が長時間必要であるという問題点がある。
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。
前記ピリジンジカルボン酸ジアルキルエステルの溶解量が、電解液全体に対して0.10〜5.00wt%であることを特徴とする。
ここで、ピリジンジカルボン酸ジメチルエステルの溶解量は0.10wt%未満では耐電圧向上の効果が十分でなく、5.00wt%を超えると比抵抗が高くなり過ぎ、低比抵抗用途に不向きとなる。よって、ピリジンジカルボン酸ジメチルエステルの溶解量は、0.10〜5.00wt%の範囲が好ましい。
また、本発明は、中高圧用アルミニウム電解コンデンサの電解液に限らず、低圧用アルミニウム電解コンデンサの電解液にも適用することができる。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004341820A JP4523834B2 (ja) | 2004-11-26 | 2004-11-26 | 電解コンデンサの駆動用電解液 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004341820A JP4523834B2 (ja) | 2004-11-26 | 2004-11-26 | 電解コンデンサの駆動用電解液 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006156536A JP2006156536A (ja) | 2006-06-15 |
| JP4523834B2 true JP4523834B2 (ja) | 2010-08-11 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004341820A Expired - Fee Related JP4523834B2 (ja) | 2004-11-26 | 2004-11-26 | 電解コンデンサの駆動用電解液 |
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| Country | Link |
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| JP (1) | JP4523834B2 (ja) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6480408A (en) * | 1987-09-24 | 1989-03-27 | Tosoh Corp | Separation of metal ion by electrodialysis |
| CZ291059B6 (cs) * | 1997-03-12 | 2002-12-11 | Lonza Ag | Způsob výroby esterů 2,6-pyridindikarboxylových kyselin |
| JP3623139B2 (ja) * | 1998-12-01 | 2005-02-23 | ルビコン株式会社 | 電解コンデンサ駆動用電解液及びこれを用いた電解コンデンサ |
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- 2004-11-26 JP JP2004341820A patent/JP4523834B2/ja not_active Expired - Fee Related
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| JP2006156536A (ja) | 2006-06-15 |
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