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Low-resistivity electrolytic capacitor-used electrolyte and preparation method thereof

An electrolytic capacitor and low resistivity technology, applied in the field of electrolyte, can solve problems such as non-compliance and reduce the conductivity of the electrolyte, and achieve the effects of preventing hydration reaction, strong anti-hydration ability, and inhibiting hydration

Active Publication Date: 2016-10-05
湖南建顺电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the ammonia water in the electrolyte will generate a large amount of ammonia gas during use, and will also reduce the conductivity of the electrolyte, which does not meet the requirements for the electrolyte of aluminum electrolytic capacitors.

Method used

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  • Low-resistivity electrolytic capacitor-used electrolyte and preparation method thereof
  • Low-resistivity electrolytic capacitor-used electrolyte and preparation method thereof
  • Low-resistivity electrolytic capacitor-used electrolyte and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Embodiment 1, a kind of electrolytic solution for electrolytic capacitor with low resistivity

[0038] The electrolytic solution for the low-resistivity electrolytic capacitor consists of the following components and parts by weight thereof:

[0039] 120 parts of ethylene glycol, 15 parts of ammonium adipate, 12 parts of ammonium formate, 3 parts of additives and 45 parts of ultrapure water; The additive consists of ethylene glycol 79%, ammonium dihydrogen phosphate 2%, phosphoric acid 4%, di Silicon oxide 2%, complexing agent 4% and surfactant 3% and hydrogen getter 6% form; Described complexing agent is made up of ethylenediaminetetraacetic acid and citric acid by weight ratio 2:3; Described interface activity The agent is composed of polysorbate 20 and mannitol in a weight ratio of 0.5:4; the hydrogen remover is composed of p-nitrobenzoic acid and ammonium p-nitrobenzoate in a weight ratio of 0.5:5.

[0040] Preparation:

[0041] S1 Add ammonium adipate and ammoniu...

Embodiment 2

[0043] Embodiment 2, a kind of electrolytic solution for electrolytic capacitor with low resistivity

[0044] The electrolytic solution for the low-resistivity electrolytic capacitor consists of the following components and parts by weight thereof:

[0045] 130 parts of ethylene glycol, 18 parts of ammonium adipate, 15 parts of ammonium formate, 4 parts of additives and 55 parts of ultrapure water; said additive consists of 70% of ethylene glycol, 3% of ammonium dihydrogen phosphate, 5% of phosphoric acid, di Silicon oxide 3%, complexing agent 6%, surfactant 5% and hydrogen getter 8% form; Described complexing agent is made up of ethylenediaminetetraacetic acid and citric acid by weight ratio 2:3; Described interface activity The agent is composed of polysorbate 20 and mannitol in a weight ratio of 1:3; the hydrogen remover is composed of p-nitrobenzoic acid and ammonium p-nitrobenzoate in a weight ratio of 1:4.

[0046] Preparation:

[0047] S1: Add ammonium adipate and amm...

Embodiment 3

[0049] Embodiment 3, a kind of electrolytic solution for electrolytic capacitor with low resistivity

[0050] The electrolytic solution for the low-resistivity electrolytic capacitor consists of the following components and parts by weight thereof:

[0051] 140 parts of ethylene glycol, 20 parts of ammonium adipate, 18 parts of ammonium formate, 6 parts of additives and 65 parts of ultrapure water; said additive consists of ethylene glycol 60%, ammonium dihydrogen phosphate 4%, phosphoric acid 6%, di Silicon oxide 6%, complexing agent 8% and surfactant 6% and hydrogen getter 10% form; Described complexing agent is made up of ethylenediaminetetraacetic acid and citric acid by weight ratio 2:3; Described interface activity The agent is composed of polysorbate 80 and mannitol in a weight ratio of 1.5:2; the hydrogen remover is composed of p-nitrobenzoic acid and ammonium p-nitrobenzoate in a weight ratio of 2:3.

[0052] Preparation:

[0053] S1 Add ammonium adipate and ammoniu...

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Abstract

The invention belongs to the technical field of electrolytes, and particularly relates to a low-resistivity electrolytic capacitor-used electrolyte and a preparation method thereof. The low-resistivity electrolytic capacitor-used electrolyte provided by the invention is mainly composed of ethylene glycol, ammonium adipate, ammonium formate, additives and ultrapure water, wherein the additives comprises ethylene glycol, ammonium dihydrogen phosphate, phosphorous acid, silicon dioxide, a complexing agent, a surfactant and a hydrogen removing agent. The low-resistivity electrolytic capacitor-used electrolyte is applicable to a low-voltage electrolytic capacitor, and has the advantages of high frequency, low impedance, low electric leakage and low corrosivity; the electrolyte can restrain a hydration deterioration reaction of an electrode aluminum foil and rebound of leakage current, can also prevent an electrolytic capacitor floor heave phenomenon and can effectively prolong the service life of the electrolytic capacitor.

Description

technical field [0001] The invention belongs to the technical field of electrolytes, and in particular relates to an electrolyte for a low-resistivity electrolytic capacitor and a preparation method thereof. Background technique [0002] Aluminum electrolytic capacitors are one of the basic components of electronic products and are widely used in notebook computers, ballasts, automotive electronics and other industries. With the rapid development of electronic technology, the further improvement of the assembly density and integration degree of electronic complete machines puts forward higher requirements for the comprehensive performance of aluminum electrolytic capacitors. At present, the performance disadvantages of electrolytic capacitors are mainly large leakage current and loss value, short life, limited application range, etc., which cannot meet the needs of modern electronic products. [0003] At present, the performance of many modern electronic products is getting...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G9/035
CPCH01G9/035
Inventor 吴仲钦黄金焕
Owner 湖南建顺电子有限公司
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