JPS59232409A - Electric double layer capacitor - Google Patents
Electric double layer capacitorInfo
- Publication number
- JPS59232409A JPS59232409A JP58107422A JP10742283A JPS59232409A JP S59232409 A JPS59232409 A JP S59232409A JP 58107422 A JP58107422 A JP 58107422A JP 10742283 A JP10742283 A JP 10742283A JP S59232409 A JPS59232409 A JP S59232409A
- Authority
- JP
- Japan
- Prior art keywords
- double layer
- electric double
- layer capacitor
- trifluoromethanesulfonate
- electrolyte
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Landscapes
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
本発明は、活性炭を用いた分極性電極と電解液Ｗ面とで
形成される電気二重層キャパシタにおいて使用される電
解液に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an electrolytic solution used in an electric double layer capacitor formed of a polarizable electrode using activated carbon and an electrolytic solution W surface.
従来、電気二重層キャパシタ用の電解液の電解質としで
、アルカリ金属に比べ還元に対して安定である過塩素酸
テトラエチルアンモニウムや過塩素酸テトラブチルアン
モニウムなどの過塩素酸テトラアルギルアンモニウムか
使用されているか。Conventionally, tetraargylammonium perchlorates such as tetraethylammonium perchlorate and tetrabutylammonium perchlorate, which are more stable against reduction than alkali metals, have been used as electrolytes in electrolytes for electric double layer capacitors. Are you there?
この電解質はその合成か容易てなく、また脱水のため乾
燥する際などで爆発する危険性かあり、その取扱いには
充分な注意か必要てあった。This electrolyte is not easy to synthesize, and due to dehydration, there is a risk of explosion when drying, so great care was required when handling it.
しかるに、本発明は合成か容易であり、またその取扱い
が容易である電解質を使用した電解液を提供するもので
ある。However, the present invention provides an electrolytic solution using an electrolyte that is easy to synthesize and easy to handle.
本発明においで電解質はトリフルオロメタンスルホン酸
テトラエチルアンモニウムやトリフルオロメタンスルホ
ン酸テトラブチルアンモニウムなどのトリフルオロメタ
ンスルホン酸テトラアルキルアンモニウムてあり、電解
液はこれを有機溶媒の単体もしくは混合物に溶解したも
のである。In the present invention, the electrolyte is tetraalkylammonium trifluoromethanesulfonate such as tetraethylammonium trifluoromethanesulfonate or tetrabutylammonium trifluoromethanesulfonate, and the electrolyte solution is a solution obtained by dissolving this in an organic solvent alone or in a mixture.
本発明において、有機溶媒のジメチルホルムアミドにト
リフルオロメタンスルホン酸テトラエチ２１、００ ［
： ｍ７３ｃｍ−’ ：］てあった０また、ジメチルホ
ルムアミドにトリフルオロメタンスルホン酸テトラブチ
ルアンモニウムを溶解した場合の溶温２５〔℃〕におけ
る溶解度は２．２６ ［ｍｏｌ ｄｍ−３〕、電導度は
１０．９７ ＣｍＵｃｉ−”）であった。In the present invention, tetraethyl trifluoromethanesulfonate 21,00 [
: m73cm-' : ]0 Also, when tetrabutylammonium trifluoromethanesulfonate is dissolved in dimethylformamide, the solubility at a melting temperature of 25 [℃] is 2.26 [mol dm-3], and the electrical conductivity is 10 .97 CmUci-”).
有機溶媒の混合物に本発明に係る電解質を溶解した場合
の電解液を例示すると、ホルムアミド系溶媒、例えばＮ
、Ｎ−ジメチルホルムアミドに１２−ジメトキシエタン
またはテトラヒドロフランを１０〜５０ ［ｗｔ％〕の
割合で混合した溶媒に１ （ｍｏｌ／Ａ ：）の濃度で
トリフルオロメタンスルホン酸テトラエチルアンモニウ
ムを溶解したものを電解液とする。Examples of electrolytes obtained by dissolving the electrolyte of the present invention in a mixture of organic solvents include formamide-based solvents, such as N
An electrolytic solution is prepared by dissolving tetraethylammonium trifluoromethanesulfonate at a concentration of 1 (mol/A:) in a solvent that is a mixture of N-dimethylformamide and 12-dimethoxyethane or tetrahydrofuran at a ratio of 10 to 50 [wt%]. shall be.
次に、定格１．８ＣＶ：ｌ、１０［Ｆ］の電気二重層キ
ャパシタを作製し、従来の電解液を使用したもの（従来
例１２）と本発明に係る電解液を使用したもの（実施例
１２）との容量、円部抵抗、漏れ電流についでの比較を
良、可、不可の形で第１表に示す。Next, electric double layer capacitors with a rating of 1.8 CV:l and 10 [F] were manufactured, one using a conventional electrolyte (Conventional Example 12) and one using the electrolyte according to the present invention (Example 1). Table 1 shows a comparison of capacitance, circular resistance, and leakage current with 12) in the form of good, fair, and bad.
第１表 特性比較
以上にで述べた本発明に係る電解液は電解質としてトリ
フルオロメタンスルホン酸テＩ・ラアルキルアンモニウ
ムを使用したために、その電解質の合成が容易であると
共に、その取扱においての爆発の危険はないものである
。また従来の電解液を使用した電気二重層キャパシタに
比較しても特性上優れた電気二重層キャパシタを提供で
きるものである。Table 1 Comparison of Characteristics Because the electrolytic solution according to the present invention described above uses teI-raalkylammonium trifluoromethanesulfonate as the electrolyte, it is easy to synthesize the electrolyte, and there is no risk of explosion when handling it. There is no danger. Furthermore, it is possible to provide an electric double layer capacitor with superior characteristics compared to electric double layer capacitors using conventional electrolytes.
Claims (3)
される電気二重層を利用した電気二重層キャパシタにお
いて、電解液として有機溶媒の単体もしくは混合物にト
リフルオロメタンスルホン酸テトラアルギルアンモニウ
ムを溶解したものを使用したことを特徴とする電気二重
層キャパシタ。(1) In an electric double layer capacitor that utilizes an electric double layer formed between a polarizable electrode using activated carbon and an electrolyte interface, tetraargylammonium trifluoromethanesulfonate is added to an organic solvent alone or in a mixture as an electrolyte. An electric double layer capacitor characterized by using a melted one.
タンスルホン酸テ］・ラアルキルアンモニウムはトリフ
ルオロメタンスルホン酸テトラエチルアンモニウムであ
ることを特徴とした電気二重層キャパシタ。(2) The electric double layer capacitor according to claim (1), wherein the te]-raalkylammonium trifluoromethanesulfonate is tetraethylammonium trifluoromethanesulfonate.
タンスルホン酸テトラアルギルアンモニウムはｌ・リフ
ルオロメクンスルホン酸テトラブチルアンモニウムであ
ることを特徴とした電気二重層キャパシタ。(3) The electric double layer capacitor according to claim (1), characterized in that the tetraargylammonium trifluoromethanesulfonate is tetrabutylammonium l.trifluoromecnesulfonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58107422A JPS59232409A (en) | 1983-06-15 | 1983-06-15 | Electric double layer capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58107422A JPS59232409A (en) | 1983-06-15 | 1983-06-15 | Electric double layer capacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59232409A true JPS59232409A (en) | 1984-12-27 |
| JPS6311767B2 JPS6311767B2 (en) | 1988-03-16 |
Family
ID=14458741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58107422A Granted JPS59232409A (en) | 1983-06-15 | 1983-06-15 | Electric double layer capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59232409A (en) |
-
1983
- 1983-06-15 JP JP58107422A patent/JPS59232409A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6311767B2 (en) | 1988-03-16 |
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