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What are the applications of prepreg in the field of batteries?

Views: 0     Author: Site Editor     Publish Time: 2025-03-27      Origin: Site

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1. Carbon fiber/fiberglass Battery casing/box

-Lightweight protection: Carbon fiber/fiberglass prepreg (epoxy resin based) is used for electric vehicle battery pack shells, with high strength and a weight 30%~50% lighter than metal, improving endurance.

-Flame retardant and explosion-proof: Pre impregnated materials with added flame retardants (such as aluminum hydroxide) are resistant to high temperatures and inhibit thermal runaway diffusion.

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2. Thermal management components

-Thermal barrier: high thermal conductivity graphene/ceramic filled prepreg, used as a heat dissipation layer between battery modules to balance temperature distribution.

-Liquid cooled plate shell: Prepreg material encapsulates liquid cooled pipelines, corrosion-resistant and lightweight.

3. Electrode and diaphragm reinforcement

-Composite electrode substrate: Carbon fiber prepreg is used as the electrode carrier for lithium sulfur batteries to enhance conductivity and structural stability.

-Diaphragm coating: Aramid fiber prepreg coating the diaphragm to enhance high temperature resistance and puncture resistance.

4. Fiberglass Battery bracket and connectors

-Module bracket: Fiberglass prepreg is molded into an insulation bracket to fix the battery cells and reduce vibration damage.

-Carbon fiber Lightweight connector: Carbon fiber prepreg replaces metal connectors, reducing weight and contact resistance.

Core advantages:

-Lightweight: Reduce the overall weight of the battery system and improve energy density;

-High safety: flame retardant, impact resistant, corrosion-resistant, suitable for harsh working conditions;

-Thermal management optimization: achieving efficient heat dissipation or insulation through material design.

Typical applications: Tesla battery pack carbon fiber shell, energy storage system fireproof partition, solid-state battery composite electrode substrate, etc.


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