A kind of low-voltage electronic aluminum foil for capacitor and its preparation process

Abstract

The invention discloses a low-voltage electronic aluminum foil for capacitors and a preparation process thereof. Through the process steps of casting, homogenization, hot rolling, cold rolling, intermediate annealing, foil rolling, finished product annealing, coiling, and packaging, the crystal grains can be obtained. Low-voltage electronic aluminum foil for capacitors with uniform size, good corrosion effect, high capacity and short production cycle.

Description

A kind of low-voltage electronic aluminum foil for capacitor and preparation process thereof technical field The present invention relates to low-voltage electronic aluminum foil processing technical field, be specifically related to a kind of low-voltage electronic aluminum foil for capacitor and its preparation process. Background technique [0002] Electronic aluminum foil is the key raw material of aluminum electrolytic capacitors, and is the basic material for electrode foil manufacturing. Aluminum electrolytic capacitors The device is widely used in household appliances, computers, communication equipment, industrial control, electric vehicles, electric locomotives and military and aviation in aerospace equipment. With the rapid development of electronic technology, aluminum electrolytic capacitors are more widely used in rail transit, flat panel Display, solar energy, wind energy batteries and other environmental protection and energy saving fields have also b...

AI Technical Summary

Problems solved by technology

[0012] Aiming at the deficiencies in the prior art, the present invention provides a low-voltage electronic aluminum foil for capacitors and its preparation process. Through the production mode of casting and continuous air cushion furnace, the production cycle is shortened; the problem of uneven structure is improved by annealing in the air cushion furnace, In order to improve the performance and cubic texture, the hovering furnace improves the cleanliness of the aluminum foil through the integration of alkali cleaning, roller coating and other functions, and enhances the corrosion and porosity performance of the aluminum foil, and obtains capacitors with uniform grain size, good corrosion effect, high capacity and short production cycle Aluminum foil for low voltage electronics

Images