JPH02251125A - Electrolyte for driving electrolytic capacitor - Google Patents
Electrolyte for driving electrolytic capacitorInfo
- Publication number
- JPH02251125A JPH02251125A JP1073419A JP7341989A JPH02251125A JP H02251125 A JPH02251125 A JP H02251125A JP 1073419 A JP1073419 A JP 1073419A JP 7341989 A JP7341989 A JP 7341989A JP H02251125 A JPH02251125 A JP H02251125A
- Authority
- JP
- Japan
- Prior art keywords
- trialkyl
- electrolyte
- ester
- acid ester
- electrolytic capacitor
- 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
- 239000003792 electrolyte Substances 0.000 title claims abstract description 23
- 239000003990 capacitor Substances 0.000 title claims abstract description 21
- -1 boric acid ester Chemical class 0.000 claims abstract description 23
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 11
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 150000002148 esters Chemical class 0.000 claims abstract description 11
- 239000002904 solvent Substances 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000008151 electrolyte solution Substances 0.000 claims description 13
- WPYMKLBDIGXBTP-UHFFFAOYSA-N Benzoic acid Natural products OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 11
- 229910019142 PO4 Inorganic materials 0.000 claims description 8
- 239000010452 phosphate Substances 0.000 claims description 7
- 239000005711 Benzoic acid Substances 0.000 claims description 6
- 235000010233 benzoic acid Nutrition 0.000 claims description 6
- 150000007942 carboxylates Chemical class 0.000 claims description 4
- 150000008301 phosphite esters Chemical class 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 150000001642 boronic acid derivatives Chemical class 0.000 claims description 3
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 claims description 3
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 9
- 238000005260 corrosion Methods 0.000 abstract description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 7
- 239000004327 boric acid Substances 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002253 acid Substances 0.000 abstract description 3
- 230000007062 hydrolysis Effects 0.000 abstract description 2
- 238000006460 hydrolysis reaction Methods 0.000 abstract description 2
- 150000003014 phosphoric acid esters Chemical class 0.000 abstract description 2
- 239000003513 alkali Substances 0.000 abstract 1
- 150000001734 carboxylic acid salts Chemical class 0.000 abstract 1
- 235000021317 phosphate Nutrition 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 3
- 150000001991 dicarboxylic acids Chemical class 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 150000001558 benzoic acid derivatives Chemical class 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- WYXIGTJNYDDFFH-UHFFFAOYSA-Q triazanium;borate Chemical compound [NH4+].[NH4+].[NH4+].[O-]B([O-])[O-] WYXIGTJNYDDFFH-UHFFFAOYSA-Q 0.000 description 2
- WCVOGSZTONGSQY-UHFFFAOYSA-N 2,4,6-trichloroanisole Chemical compound COC1=C(Cl)C=C(Cl)C=C1Cl WCVOGSZTONGSQY-UHFFFAOYSA-N 0.000 description 1
- OWCLRJQYKBAMOL-UHFFFAOYSA-N 2-butyloctanedioic acid Chemical compound CCCCC(C(O)=O)CCCCCC(O)=O OWCLRJQYKBAMOL-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
【発明の詳細な説明】
[発明の目的]
(産業上の利用分野)
本発明は、中高圧板電解」ンデンサに用いる駆動用電解
液に関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) The present invention relates to a driving electrolytic solution used in a medium-high pressure plate electrolytic capacitor.
(従来の技術)
従来、中高圧板電解コンデンサの駆動用電解液として、
エチレングリコール(以下EG)を主溶媒とし、これに
無機酸又はそのアンモニウム塩(ホウ酸、ホウ酸アンモ
ニウムなど)を溶解したものや、有機酸(セバシン酸、
安息香酸。(Conventional technology) Conventionally, as a driving electrolyte for medium and high voltage plate electrolytic capacitors,
Ethylene glycol (hereinafter referred to as EG) is the main solvent, and inorganic acids or their ammonium salts (boric acid, ammonium borate, etc.) are dissolved in this, and organic acids (sebacic acid, ammonium borate, etc.) are used as the main solvent.
benzoic acid.
1.6−デカンジカルボン酸など)又はその塩を溶解し
たものがある。しかし、FG−ホウ酸系の電解液は比抵
抗が高く、温度特性も悪く、かつEGとホウ酸とのエス
テル化反応により多聞の水分を含有することになってい
る。この水分は電極箔の誘電体酸化皮膜を劣化させ、コ
ンデンサの寿命を著しく縮める欠点があった。1,6-decanedicarboxylic acid, etc.) or a salt thereof. However, the FG-boric acid electrolyte has a high resistivity, poor temperature characteristics, and contains a large amount of water due to the esterification reaction between EG and boric acid. This moisture deteriorates the dielectric oxide film of the electrode foil, which has the disadvantage of significantly shortening the life of the capacitor.
また、EGに有機酸又はその塩を溶解した電解液では、
コンデンサの使用中に内部陽極端子(リベットなどを含
む)に腐食が発生する場合がある。これは、コンデンサ
内部の端子板に電解液の蒸気成分が付着し、陽極端子−
陰極端子間に回路ができるためである。In addition, in an electrolytic solution in which an organic acid or its salt is dissolved in EG,
Corrosion may occur on the internal anode terminals (including rivets, etc.) during use of the capacitor. This is because vapor components of the electrolyte adhere to the terminal board inside the capacitor, causing the anode terminal to
This is because a circuit is formed between the cathode terminals.
これら従来の電解液の蒸気成分は、化成性が電解液より
劣るため、陽・陰極端子間に回路ができると電流が流れ
、陽極端子が腐食するものである。The vapor components of these conventional electrolytes have inferior chemical formation properties to electrolytes, so when a circuit is formed between the anode and cathode terminals, current flows and corrodes the anode terminal.
(発明が解決しようとする課題)
本発明は、上記の点に鑑みてなされたもので、駆動用電
解液中に添加したエステル類によって電解液の蒸気成分
の化成性を向上させ、陽・陰極端子間に蒸気成分による
回路が形成されても陽極端子が腐食を生じないようにし
たものである。(Problems to be Solved by the Invention) The present invention has been made in view of the above points, and improves the chemical composition of the vapor component of the electrolyte by esters added to the driving electrolyte, thereby improving the anode and cathode electrodes. This prevents corrosion of the anode terminal even if a circuit is formed between the terminals due to steam components.
[発明の構成]
(課題を解決するだめの手段)
本発明は、上述の問題点を解決するためになされたもの
で、EG及び/又はジエチレングリコール(DEG)を
主体とした溶媒と、有機カルボン酸塩を主体とした電解
質と、トリアルキルリン酸エステル、トリアルキルホウ
酸エステル、飽和ジカルボン酸ニス゛アル、トリアルキ
ル亜リン酸エステル、安息香酸エステルの中の1種又は
2種以上の混合物とからなる電解コンデンサ駆動用電解
液である。[Structure of the Invention] (Means for Solving the Problems) The present invention was made to solve the above-mentioned problems. Electrolyte consisting of an electrolyte mainly consisting of salt and one or a mixture of two or more of trialkyl phosphates, trialkyl borates, saturated dicarboxylic acids, trialkyl phosphites, and benzoates. This is an electrolyte for driving capacitors.
(作 用)
本発明になる電解コンデンサ駆動用電解液において、ト
リアルキルリン酸エステル、1〜リアルキルホウ酸エス
テル、飽和ジカルボン酸エステル、トリアルキル亜リン
酸エステル、安息香酸エステルのアルキル基(CnH2
1,、)がn=1〜5のとき、これらニスデルの沸点は
300℃以下であり、各エステルの加水分解生成物であ
る酸分より気化しやすい特性を有している。(Function) In the electrolytic solution for driving an electrolytic capacitor according to the present invention, the alkyl group (CnH2
1, , ) is n=1 to 5, the boiling point of these Nisdels is 300° C. or less, and they have the property of being more easily vaporized than the acid component, which is a hydrolysis product of each ester.
−・方、電解液が蒸発して端子板の陽・陰極端子間に回
路を形成するときの蒸気成分は、「G。- On the other hand, when the electrolyte evaporates and forms a circuit between the positive and negative terminals of the terminal board, the vapor component is "G.
DEGなどの溶媒、有機カルボン酸塩からのアンモニア
、スペーサ中の水分、前記各種エステルなどからなる混
合溶液からなるが、この蒸気成分は、前記各種トリアル
キルリン酸エステル。It consists of a mixed solution consisting of a solvent such as DEG, ammonia from the organic carboxylate, water in the spacer, the various esters mentioned above, and the vapor component is the various trialkyl phosphate esters mentioned above.
トリアルキルホウ酸エステル、飽和ジカルボン酸エステ
ル、トリアルキル亜リン酸エステル。Trialkyl borates, saturated dicarboxylic esters, trialkyl phosphites.
安息香酸ニスデルがアルカリ側で加水分解され、それぞ
れジアルキルリン酸エステル及びモノアルキルリン酸エ
ステルを軽でリン酸とアルコルに、ジアルキルホウ酸エ
ステル及びモノアルキルホウ酸ニスアルを経てホウ酸と
アルコールに、飽和ジカルボン酸モノエステルを経て飽
和ジカルボン酸とアルコールに、ジアルキル亜リン酸エ
ステル及びモノアルキル亜リン酸エステルを経て亜リン
酸とアルコールに、安息香酸とアルコールになる。Nisdal benzoate is hydrolyzed on the alkaline side, and the dialkyl phosphate ester and monoalkyl phosphate ester are converted into phosphoric acid and alcohol in the light state, and then into boric acid and alcohol through dialkyl borate ester and monoalkyl borate, and then into saturated alcohol. It becomes saturated dicarboxylic acid and alcohol via dicarboxylic acid monoester, phosphorous acid and alcohol via dialkyl phosphite ester and monoalkyl phosphite ester, and benzoic acid and alcohol.
これらは、アルコールを除き、いずれも水と結合すると
化成性を有するものとなるから、陽・陰極端子間に蒸気
成分が付着し、回路が形成されても皮膜修復作用によっ
て陽極端子が化成処理されるので、腐食を生ずることは
ない特徴を有するものである。With the exception of alcohol, all of these substances have chemical conversion properties when combined with water, so even if a vapor component adheres between the anode and cathode terminals and a circuit is formed, the anode terminal will not undergo chemical conversion treatment due to the film repair action. It has the characteristic that it does not cause corrosion.
(実施例)
EG又はDEGを主体とする溶媒と、有機カルボン酸塩
を主体とする電解質にトリアルキルリン酸エステル、ト
リアルキルホウ酸エステル。(Example) A solvent mainly composed of EG or DEG, an electrolyte mainly composed of an organic carboxylate, and a trialkyl phosphate ester and a trialkyl borate ester.
飽和ジカルボン酸エステル、トリアルキル亜リン酸エス
テル、安息香酸エステルを添加し1〔本発明に係る電解
液の実施例を従来例とともに第1表に示す。By adding a saturated dicarboxylic acid ester, a trialkyl phosphite, and a benzoic acid ester, 1 [Examples of the electrolytic solution according to the present invention are shown in Table 1 along with conventional examples.
電解液組成はwt%、比抵抗(Ω・cm)、火花電圧は
25℃のものである。The electrolytic solution composition is wt%, specific resistance (Ω·cm), and spark voltage at 25°C.
(以下余白)
第2表は定格400V、150μF(7)]/デンサ素
子に上記第1表に示した電解液をそれぞれ含浸してなる
アルミニウム電解コンデンザを105℃中で3.3Aの
りプル電流を重畳して行った高温負荷試験の結果を示す
。(Left below) Table 2 shows an aluminum electrolytic capacitor with a rating of 400V, 150μF (7)]/capacitor element impregnated with each of the electrolytes shown in Table 1 above, and a 3.3A pull current at 105°C. The results of a high-temperature load test conducted in parallel are shown.
初期及びi ooo時間時間待性の多値は、電解コンデ
ンサ810個の平均値である。The initial and i ooo time latency multivalues are the average values of 810 electrolytic capacitors.
(以下余白)
第2表から明らかなように、105℃中で3.3Aのり
プル電流を加えた負荷試験において、従来の電解液では
腐食が発生ずるとともに特性の劣化も著しい。(Left below) As is clear from Table 2, in a load test at 105° C. with a 3.3 A pull current, the conventional electrolytic solution not only corroded, but also significantly deteriorated its characteristics.
それに対し、本発明になる各実施例では、腐食発生はみ
られず、特性の劣化も少なく良好である。ここでいう腐
食とは、コンデンサ素子から封口部に至る内部陽極端子
の腐食をいう。On the other hand, in each of the Examples according to the present invention, no corrosion was observed, and the properties were good with little deterioration. Corrosion here refers to corrosion of the internal anode terminal from the capacitor element to the sealing part.
なお、本発明に使用する各種ニスアルは、下記の化学構
造を有するものからなり、その添加量がEG及び/又は
DEGと有機カルボン酸塩を主体とした電解質との合計
重量に対し、o、oi重量%以上であれば前記作用効果
があることを確認している。そして、これらエステル類
の上限は、これらが前記特性の向上のほかは特に悪影響
を及ぼさないので、上限を定める必要を認めない。The various types of NiSAL used in the present invention have the following chemical structures, and the amount added is o, oi It has been confirmed that the above-mentioned effects can be achieved if the amount is at least % by weight. There is no need to set an upper limit for these esters since they do not have any particular adverse effects other than improving the above-mentioned properties.
これらエステル類は、実施例では1種を用いた場合のみ
について述べたが、2種以上を況合して用いても同様の
効果を得ることができる。In the examples, only one type of these esters was used, but the same effect can be obtained even if two or more types are used in combination.
B (OR> (R: CnH2o。B (OR> (R: CnH2o.
トリアルキルホウ酸ニスデル
1〜5
O0
111]
RO−C−(CM 2 ) x −C−OR(x
=4〜8. R:CnH2o、 n=飽和ジカル
ボン酸ニステル
ト〜5
P(OR) (R:CnHn−=1〜5)3
2n÷1トリアルキル亜リン
酸エステル
安息香酸ニスデル
[発明の効果1
本発明になる電解コンデンサ駆動用電解液は、電解液中
の前述各種エステルがアルカリ側で加水分解されて生成
される酸などを用いて陽極端子を化成することによって
、電解コンデンサの腐食を防止できる。Nisdel trialkylborate 1-5 O0 111] RO-C-(CM2) x-C-OR(x
=4~8. R: CnH2o, n=saturated dicarboxylic acid nistert~5 P(OR) (R:CnHn-=1-5)3
2n÷1 trialkyl phosphite ester benzoic acid nisdel [Effect of the invention 1 The electrolytic solution for driving an electrolytic capacitor according to the present invention contains acids and the like produced by hydrolyzing the aforementioned various esters in the electrolytic solution on the alkaline side. Corrosion of electrolytic capacitors can be prevented by chemically converting the anode terminals using this material.
これによって、電解コンデンサの長寿命化を図ることが
できるとともに、許容リプル電流を増加させることがで
きるので、同サイズの場合は小形化を実現できる効果が
ある。This makes it possible to prolong the life of the electrolytic capacitor and increase the allowable ripple current, which has the effect of realizing miniaturization when the size is the same.
特 許 出 願 人
マルコン電子株式会社
手 続 補 正 書
(自発)
平成1年12月14日
1、事件の表示
平成1年特許願第73419号
2、発明の名称
電解コンデンサ駆動用電解液
3、補正をづる者
事件との関係 特許出願人
住所 [相]993 山形県長井市幸町1番1号電話
長井(0238)84−2131 (大代表)自発的
5、補正の対象
6、補正の内容
(1)特許請求の範囲を別紙のとおり補正す2)。Patent application: Marukon Electronics Co., Ltd. Procedural amendment (spontaneous) December 14, 1999 1, Case description 1999 Patent Application No. 73419 2, Title of invention Electrolyte solution for driving electrolytic capacitors 3, Relationship with the case of the person making the amendment Patent applicant address [Sou] 993 1-1 Saiwai-cho, Nagai City, Yamagata Prefecture Telephone Nagai (0238) 84-2131 (Main representative) Voluntary 5, Subject of amendment 6, Contents of amendment (1) Amend the scope of claims as shown in the attached sheet2).
(2)明細書8〜13ページの第1表をgl1紙のとお
り補正する。(2) Table 1 on pages 8 to 13 of the specification shall be amended as per GL1 paper.
特許請求の範囲
(1)■チレングリコール及び/又はジエチレングリコ
ールを主体とした溶媒と、有機カルボン酸塩を主体とし
た電解質と、トリアルキルリン酸エステル、トリアルキ
ルホウ酸エステル、飽和ジカルボン酸エステル、トリア
ルキル亜リン酸エステル、安息香酸エステルの中の1種
又は2種以上の混合物とからなる電解コンデンサ駆動用
電解液。Claims (1) ■ A solvent mainly composed of tyrene glycol and/or diethylene glycol, an electrolyte mainly composed of an organic carboxylate, and a trialkyl phosphate, a trialkyl borate, a saturated dicarboxylic ester, a An electrolytic solution for driving an electrolytic capacitor comprising one or a mixture of two or more of alkyl phosphites and benzoates.
(2)トリアルキルリン酸エステル、トリアルキルホウ
酸エステル、飽和ジカルボン酸エステル。(2) Trialkyl phosphate ester, trialkyl borate ester, saturated dicarboxylic acid ester.
トリアルキル亜リン酸エステル、安息香酸エステルがそ
れぞれ下記の化学構造を有するものからなり、その添加
量が上記溶媒と電解質との合計重量に対し0.01重量
%以上である請求項(1)記載の電解コンデンサ駆動用
電解液。Claim (1), wherein the trialkyl phosphite and the benzoate each have the following chemical structures, and the amount added thereof is 0.01% by weight or more based on the total weight of the solvent and electrolyte. Electrolyte for driving electrolytic capacitors.
第 1
表
B(OR)3 (R:Cn1−12.+1 n=1
〜5)トリアルキルホウ酸エステル
OO
RO−C−(CH2)x−C−OR
(x −4〜 8 、 R’ G n
ト1 2n+I Q= 1〜5 )飽和
ジカルボン酸エステル
P (OR) (R: CnH2o+1 n=
1〜5 )トリアルキル亜リン酸エステル
安息香酸エステルTable 1 B (OR) 3 (R: Cn1-12.+1 n=1
~5) Trialkylborate OO RO-C-(CH2)x-C-OR (x-4~8, R'Gn
1 2n+I Q= 1~5) Saturated dicarboxylic acid ester P (OR) (R: CnH2o+1 n=
1-5) Trialkyl phosphite benzoate ester
Claims (2)
ールを主体とした溶媒と、有機カルボン酸塩を主体とし
た電解質と、トリアルキルリン酸エステル,トリアルキ
ルホウ酸エステル,飽和ジカルボン酸エステル,トリア
ルキル亜リン酸エステル,安息香酸エステルの中の1種
又は2種以上の混合物とからなる電解コンデンサ駆動用
電解液。(1) A solvent mainly composed of ethylene glycol and/or diethylene glycol, an electrolyte mainly composed of an organic carboxylate, and a trialkyl phosphate ester, a trialkyl borate ester, a saturated dicarboxylic acid ester, a trialkyl phosphite ester , benzoic acid ester, or a mixture of two or more thereof.
ステル,飽和ジカルボン酸エステル,トリアルキル亜リ
ン酸エステル,安息香酸エステルがそれぞれ下記の化学
構造を有するものからなり、その添加量が上記溶媒と電
解質との合計重量に対し0.01重量%以上である請求
項(1)記載の電解コンデンサ駆動用電解液。 ▲数式、化学式、表等があります▼(R:CnH_2_
n_+_1 n=1〜5) トリアルキルリン酸エステル B(OR)_3(R:CnH_2_n_+_1 n=1
〜5) トリアルキルホウ酸エステル ▲数式、化学式、表等があります▼ (x=4〜8,R:CnH_2_n_+_1 n=1〜
5) 飽和ジカルボン酸エステル P(OR)_3(R:CnH_2_n_+_1 n=1
〜5) トリアルキル亜リン酸エステル ▲数式、化学式、表等があります▼(R:CnH_2_
n_+_1 n=1〜5) 安息香酸エステル(2) Trialkyl esters, trialkyl borate esters, saturated dicarboxylic esters, trialkyl phosphites, and benzoic esters each have the following chemical structures, and the amount added is the same as the above solvent and electrolyte. The electrolytic solution for driving an electrolytic capacitor according to claim 1, wherein the electrolytic solution is 0.01% by weight or more based on the total weight of the electrolytic solution. ▲There are mathematical formulas, chemical formulas, tables, etc.▼(R:CnH_2_
n_+_1 n=1-5) Trialkyl phosphate ester B(OR)_3(R:CnH_2_n_+_1 n=1
~5) Trialkyl borate ester▲Mathematical formulas, chemical formulas, tables, etc. are available▼ (x=4~8, R:CnH_2_n_+_1 n=1~
5) Saturated dicarboxylic acid ester P(OR)_3(R:CnH_2_n_+_1 n=1
~5) Trialkyl phosphite ▲Mathematical formula, chemical formula, table, etc.▼(R:CnH_2_
n_+_1 n=1-5) Benzoic acid ester
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1073419A JP2694666B2 (en) | 1989-03-24 | 1989-03-24 | Electrolyte for driving electrolytic capacitors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1073419A JP2694666B2 (en) | 1989-03-24 | 1989-03-24 | Electrolyte for driving electrolytic capacitors |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02251125A true JPH02251125A (en) | 1990-10-08 |
JP2694666B2 JP2694666B2 (en) | 1997-12-24 |
Family
ID=13517675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1073419A Expired - Lifetime JP2694666B2 (en) | 1989-03-24 | 1989-03-24 | Electrolyte for driving electrolytic capacitors |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2694666B2 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0318008A (en) * | 1989-06-15 | 1991-01-25 | Elna Co Ltd | Electrolyte for driving electrolytic-capacitor |
US5849432A (en) * | 1995-11-03 | 1998-12-15 | Arizona Board Of Regents | Wide electrochemical window solvents for use in electrochemical devices and electrolyte solutions incorporating such solvents |
EP0984468A2 (en) * | 1998-08-31 | 2000-03-08 | Matsushita Electric Industrial Co., Ltd. | Electrolytic capacitor and driving electrolyte thereof |
CN103887070A (en) * | 2012-12-19 | 2014-06-25 | 张家港市国泰华荣化工新材料有限公司 | Preparation method of electrolyte functional additive and electrolyte prepared by using electrolyte functional additive |
JP2014179626A (en) * | 2007-10-29 | 2014-09-25 | Ube Ind Ltd | Secondary carboxylic acid compound, and electrolytic solution for electrolytic capacitors arranged by use thereof |
JP2018061033A (en) * | 2016-09-29 | 2018-04-12 | パナソニックIpマネジメント株式会社 | Electrolytic capacitor and method for manufacturing the same |
JP2018207091A (en) * | 2017-06-02 | 2018-12-27 | サムソン エレクトロ−メカニックス カンパニーリミテッド. | Multilayer ceramic capacitor and mounting board thereof |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59218719A (en) * | 1983-05-26 | 1984-12-10 | 三洋電機株式会社 | Electrolyte for driving electrolytic condenser |
JPS63261820A (en) * | 1987-04-20 | 1988-10-28 | 松下電器産業株式会社 | Electrolyte for driving electrolytic capacitor |
JPH0195512A (en) * | 1987-10-08 | 1989-04-13 | Mitsubishi Petrochem Co Ltd | Fire retardant electrolytic capacitor |
-
1989
- 1989-03-24 JP JP1073419A patent/JP2694666B2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59218719A (en) * | 1983-05-26 | 1984-12-10 | 三洋電機株式会社 | Electrolyte for driving electrolytic condenser |
JPS63261820A (en) * | 1987-04-20 | 1988-10-28 | 松下電器産業株式会社 | Electrolyte for driving electrolytic capacitor |
JPH0195512A (en) * | 1987-10-08 | 1989-04-13 | Mitsubishi Petrochem Co Ltd | Fire retardant electrolytic capacitor |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0318008A (en) * | 1989-06-15 | 1991-01-25 | Elna Co Ltd | Electrolyte for driving electrolytic-capacitor |
US5849432A (en) * | 1995-11-03 | 1998-12-15 | Arizona Board Of Regents | Wide electrochemical window solvents for use in electrochemical devices and electrolyte solutions incorporating such solvents |
EP0984468A2 (en) * | 1998-08-31 | 2000-03-08 | Matsushita Electric Industrial Co., Ltd. | Electrolytic capacitor and driving electrolyte thereof |
JP2014179626A (en) * | 2007-10-29 | 2014-09-25 | Ube Ind Ltd | Secondary carboxylic acid compound, and electrolytic solution for electrolytic capacitors arranged by use thereof |
CN103887070A (en) * | 2012-12-19 | 2014-06-25 | 张家港市国泰华荣化工新材料有限公司 | Preparation method of electrolyte functional additive and electrolyte prepared by using electrolyte functional additive |
JP2018061033A (en) * | 2016-09-29 | 2018-04-12 | パナソニックIpマネジメント株式会社 | Electrolytic capacitor and method for manufacturing the same |
JP2018207091A (en) * | 2017-06-02 | 2018-12-27 | サムソン エレクトロ−メカニックス カンパニーリミテッド. | Multilayer ceramic capacitor and mounting board thereof |
Also Published As
Publication number | Publication date |
---|---|
JP2694666B2 (en) | 1997-12-24 |
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