Porous current collector battery aluminum foil microporous copper foil

Porous current collector battery is an electrochemical device with high energy density and high power density, widely used in fields such as electric vehicles, energy storage batteries, and mobile electronic devices. Among them,Aluminum foil microporous copper foilIt is one of the important components in porous current collector batteries, with excellent conductivity and porous structure, which can effectively improve the performance of the battery. This article will provide a detailed introduction to the structural characteristics, preparation methods, and applications of porous current collector batteries and aluminum foil microporous copper foils.

1、 Structural characteristics of porous current collector battery

A porous current collector battery consists of four parts: positive electrode, negative electrode, electrolyte, and current collector. The current collector is composed of multiple conductive polymers, which can effectively reduce the internal resistance of the battery and improve its performance. In porous current collector batteries, the current collector acts as a bridge connecting the positive and negative electrodes, allowing the electrolyte inside the battery to transfer between the electrodes while maintaining the stability of the battery.

2、 Preparation method of aluminum foil microporous copper foil

Aluminum foil microporous copper foilUsually prepared by electrochemical deposition and other methods, the specific steps are as follows:

1. Preparation of coating: Soak the aluminum foil in a solution containing acid and fluoride to form an oxide coating layer;

2. Electrochemical deposition: Soak aluminum foil in a solution containing copper ions, and use an external electric field to reduce and deposit copper ions on the surface of the oxide coating, forming copper foil;

3. Ultrasonic cleaning: Use ultrasonic waves to clean the micropores on the surface of copper foil.

3、 Structural characteristics of aluminum foil microporous copper foil

     Aluminum foil microporous copper foilIt has porosity, typically ranging from 50% to 90%. The aperture size can be adjusted by controlling parameters such as deposition temperature, electric field strength, and electrodeposition time. In addition, the bonding strength between copper foil and aluminum foil is high and not easy to peel off.

4、 Application of aluminum foil microporous copper foil

Aluminum foil microporous copper foil is widely used in fields such as electric vehicles, energy storage batteries, and mobile electronic devices. Among them, porous current collector batteries are one of the main application scenarios for aluminum foil microporous copper foil. This battery has the advantages of high energy density, high power density, long life, and high safety, and has gradually become an important research direction for the new generation of batteries.

5、 Summary

     Porous current collector battery aluminum foil microporous copper foilIt has excellent conductivity and porous structure, which can effectively improve the performance of batteries. Its preparation method is simple, its structural characteristics are significant, it has a wide range of applications, and has broad market prospects. Therefore, it is of great significance to strengthen the research and application of porous current collector batteries and aluminum foil microporous copper foils.