The surface of the carbon fiber felt of this product is plated with a layer of nickel, which enhances the conductivity and corrosion resistance of the carbon fiber. The nickel plating helps to improve the battery shielding effect and electromagnetic wave absorption ability. The nickel plating provides good conductivity, which is especially suitable for the battery field. It can effectively prevent electromagnetic interference inside the battery and ensure the safety and stability of the battery. The characteristics of carbon fiber itself make this material light and easy to use in various high-performance electronic products without adding too much burden. This material can effectively isolate electromagnetic waves, prevent electromagnetic interference from entering sensitive equipment, and protect the normal operation of the equipment. Carbon fiber material has good thermal stability and can withstand a certain high temperature. It is suitable for electromagnetic shielding needs in some high-temperature environments. In battery packs, especially lithium batteries or other high-energy batteries, the use of this material can effectively reduce electromagnetic interference inside the battery and enhance the stability and safety of the battery. This material is used for electromagnetic shielding in various electronic products to protect circuits from interference from external electromagnetic waves and ensure device performance.