The application of alumina ceramics in new energy vehicles is of great significance and has broad prospects. Its excellent performance and unique advantages, such as high-temperature oxidation resistance and low density, make alumina ceramics play an increasingly important role in the manufacturing of new energy vehicles.

The importance of alumina ceramics in new energy vehicles

With the increasing awareness of environmental protection and the rapid development of new energy vehicle technology, the application of ceramic materials in the automotive industry has become increasingly important. Aluminum oxide ceramics, as a high-performance ceramic material, play a crucial role in the field of new energy vehicles.

01  Application in batteries

Electrolyte materials

In electric vehicle batteries, electrolyte materials are one of the key factors determining battery performance and safety. Aluminum oxide ceramic electrolyte has high ion conductivity and high temperature resistance, which can effectively improve the safety and energy density of batteries. At present, researchers are studying how to further enhance the ion conductivity and stability of alumina ceramic electrolytes by improving their microstructure and optimizing ion channels.

Battery separator

The separator is another key component in electric vehicle batteries, whose main function is to separate the positive and negative poles and prevent short circuits. Aluminum oxide ceramic membranes have advantages such as high strength, toughness, and chemical stability, which can effectively improve the lifespan and safety of batteries. In addition, the alumina ceramic separator can also achieve fast charging, thereby improving the charging efficiency of the battery.

Battery negative electrode material

Negative electrode material is another important component of electric vehicle batteries, which determines the energy density and charge discharge efficiency of the battery. Aluminum oxide ceramic negative electrode materials have high capacity and good cycling performance, which can effectively improve the charging and discharging efficiency and lifespan of batteries. In addition, alumina ceramic negative electrode materials also have good corrosion resistance and high temperature stability, which can provide better safety protection for batteries.

02  Other applications

Car brake discs

Aluminum oxide ceramic brake discs have the characteristics of high strength, high wear resistance, and high corrosion resistance, which can effectively improve the stability and safety of braking. In addition, alumina ceramic brake discs also have good thermal stability, can withstand high-temperature friction, reduce braking friction losses, and improve braking reliability and service life.

Automotive sensors

Aluminum oxide ceramic sensors have the characteristics of high sensitivity, stability, and corrosion resistance, and can be widely used in various sensors in automobiles, such as temperature sensors, pressure sensors, etc. Aluminum oxide ceramic sensors can improve the measurement accuracy and stability of sensors, providing more accurate data support for automotive control systems.

Requirements for alumina ceramics for new energy vehicles

With the continuous development of electric vehicle technology, higher requirements have been put forward for the performance and process of alumina ceramics.

High strength and toughness: New energy vehicles will withstand various complex stresses during operation, so alumina ceramics are required to have sufficient strength and toughness to cope with various complex working environments.

High temperature resistance and corrosion resistance: New energy vehicles generate a large amount of heat during operation and also come into contact with various chemical substances. Therefore, alumina ceramics are required to have high temperature resistance and corrosion resistance.

Good processing performance: Due to the large amount of mechanical processing required in the manufacturing process of new energy vehicles, it is required that alumina ceramics have good processing performance to facilitate manufacturing and assembly.