Low-temperature and high-voltage resistant aluminum electrolytic capacitor work electrolyte and preparation method thereof

An aluminum electrolytic capacitor, low temperature resistant technology, applied in electrolytic capacitors, capacitors, circuits, etc., to achieve the effect of improving performance parameters, good frost resistance, and promoting ionization degree
CN106783178AInactive Publication Date: 2017-05-31CENT SOUTH UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
CENT SOUTH UNIV
Publication Date
2017-05-31
Estimated Expiration
Not applicable · inactive patent
Patent Text Reader

Abstract

A low-temperature and high-voltage resistant aluminum electrolytic capacitor work electrolyte comprises by the mass percent: 45-75% of the main solvent, the 15-40% of the secondary solvent, 3-12% of the solute, 0.5-2% of the flash fire promotion additive, 0.2-1.5% of the gas absorption additive; the main solvent is one or more than one of the ethylene glycol, the propylene glycol, the glycerol, the polyethylene glycol 200 and the polyethylene glycol 400. The secondary solvent is one or more than one of the [Gamma]-butyrolactone, the dimethylformamide, the diglycolic simple methyl ether, the diethylene glycol monoethyl ether and the diethlyeneglycol monobutylether. The secondary solvent can be propylene carbonate and one or more than one of the [Gamma]-butyrolactone, the dimethylformamide, the diglycolic simple methyl ether, the diethylene glycol monoethyl ether and the diethlyeneglycol monobutylether. The low-temperature and high-voltage resistant aluminum electrolytic capacitor work electrolyte can resist the -55 DEG C and high voltage of 600V.
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Description

technical field

[0001] The invention relates to a working electrolyte of an aluminum electrolytic capacitor, in particular to a working electrolyte of an aluminum electrolytic capacitor resistant to low temperature and high pressure and a preparation method thereof. Background technique

[0002] Aluminum electrolytic capacitors are the most widely used basic components in electronic products. In recent years, with the rapid development of science and technology and the electronic industry, various outdoor electrical products and equipment are constantly being introduced, requiring electrical equipment to have good temperature performance and stability to cope with complex and changeable natural environments. These demands have greatly expanded the market for low-temperature resistant, high-voltage aluminum electrolytic capacitors, and at the same time posed new challenges to the performance of aluminum electrolytic capacitors.

[0003] As the core component of aluminum elec...

Claims

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