Double-sided high-specific surface area aluminum material

Abstract

The present invention provides a double-sided high-specific surface area aluminum material, comprising an aluminum base material and multiple particles formed on the surface of the aluminum base material, wherein the particles is made of a material selected from a group containing aluminum and aluminum compound, connection structures are formed between the particles and between the particles and the surface of the aluminum surface, and the particles are deposited on the double sides of the aluminum base material. The particles in an active layer produce a relatively high surface area, helpful to improve the conductivity of the aluminum material, therefore the double-sided high-specific surface area aluminum material may be used for making a high-electric performance electrode structure; on the other hand, a component including the electrode structure may has a good electric performance due to the performance of the electrode structure, such as high charging / discharging efficiency.

Description

technical field [0001] The invention relates to an aluminum material, in particular to an aluminum material deposited on both sides with a high specific surface area. Background technique [0002] Electronic components related to electrochemistry are widely used in various fields. For example, batteries use electrochemical reactions to achieve charge discharge or repeated charge / discharge operations, and are therefore used as power supplies for various electronic machines. [0003] In addition, electrolytic capacitors (capacitors) are components that can store charges. Capacitors can store and discharge electricity instantaneously. In terms of applications, capacitors are mainly used to block DC, couple AC, filter, tune, phase shift, store energy, and serve as bypass Circuits, coupling circuits, speaker system networks, etc., are even used for power storage / discharge purposes such as flashlights in cameras. [0004] In the above-mentioned components, it is necessary to use ...

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Problems solved by technology

[0005] However, the aluminum material coated with carbon powder obtained by the above method is not good due to the poor adhesion between the carbon powder and the surface of the aluminum material.

Therefore, when such poorly bonded electrodes are applied to secondary batteries or capacitors, carbon powder may be peeled off from the surface of the aluminum material during charging and discharging of the secondary battery or capacitor.

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