Electrolyte, electrolyte preparation method and aluminum electrolytic capacitor

A technology of electrolyte and flash voltage, which is applied in the preparation of electrolyte and in the field of electrolyte, can solve the problems that cannot fully meet the development needs, achieve excellent working performance, improve temperature resistance and stability, and achieve low leakage current effects

Active Publication Date: 2016-11-09
惠州市智胜新电子技术有限公司
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Problems solved by technology

However, most aluminum electrolytic capacitors with a temperature resistance of 105°C are currently on the market, which cannot fully meet the needs of development.

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  • Electrolyte, electrolyte preparation method and aluminum electrolytic capacitor
  • Electrolyte, electrolyte preparation method and aluminum electrolytic capacitor

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preparation example Construction

[0074] The present invention also proposes a preparation method of an electrolyte, the preparation method comprising the following steps:

[0075] heating the first solvent to 140°C to 145°C;

[0076] Add flash fire voltage booster and keep warm for 30min~60min;

[0077] Add the second solvent and heat to 150°C-155°C.

[0078] Add part of the first solute and keep warm for 30min to 60min.

[0079] Lower the temperature to 130°C-135°C, add the remaining part of the first solute, the second solute, stabilizer, and function enhancer, and keep warm for 30min-60min.

[0080] Add the third solute and lower the temperature to 95°C to 100°C.

[0081] Add hydrogen absorbing agent and waterproof mixture.

[0082] Wherein, the first solute includes one selected from boric acid and ammonium benzoate, one selected from ammonium dodecanoate and 2,7-dibutyl ammonium suberate, and one selected from ammonium sebacate and One of the alkyl ammonium sebacate.

[0083] The second solute incl...

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Abstract

The invention discloses an electrolyte, an electrolyte preparation method and an aluminum electrolytic capacitor. The electrolyte comprises, by weight percentage, 50-65w% of solvent, 23-33w% of solute, and 8-19w% of additive. The solute includes boric acid, ammonium benzoate, at least one material selected from ammonium dodecanedioate and 2,7-dibutyl octanedioic acid ammonium, and at least one material selected from ammonium sebate and alkyl ammonium sebate. Through the technical scheme, the temperature resistance performance and stability of the aluminum electrolytic capacitor are improved.

Description

technical field [0001] The invention relates to the technical field of aluminum electrolytic capacitors, in particular to an electrolyte, a method for preparing the electrolyte and an aluminum electrolytic capacitor. Background technique [0002] In recent years, with the rapid development of new energy vehicles, solar photovoltaic power generation systems, AV servo amplifiers, automotive electronics, and aerospace and military industries, electronic components for complete machines have been placed with higher and higher requirements for use. Among them, the demand for high-stability and long-life aluminum electrolytic capacitors in related industries is increasing. However, most aluminum electrolytic capacitors with a temperature resistance of 105°C are currently on the market, which cannot fully meet the development needs. Therefore, the demand for aluminum electrolytic capacitors with higher stability and better temperature resistance in related industries has become in...

Claims

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Application Information

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IPC IPC(8): H01G9/035H01G9/145
CPCH01G9/035H01G9/145
Inventor 余秀娜
Owner 惠州市智胜新电子技术有限公司
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