Battery Pack Venting Mesh and Duct for Flame-Blocking Relief

A mesh structure is introduced as an intermediary component between the venting hole and the external environment. The mesh structure allows venting gas to pass through while blocking dust particles and ignition sources, thus maintaining the venting function without the risk of blockage or flame exposure.

The mesh structure utilizes a porous configuration with specific aperture sizes that permit gas molecules to pass through while physically blocking larger dust particles and combustion sources. This porous filtering mechanism enables selective passage based on particle size, resolving the contradiction between venting efficiency and contamination prevention.

The battery pack is divided into multiple modular battery modules, each with its own thermal management capabilities. This segmentation allows heat to be distributed and managed at the module level rather than accumulating in a single large stack, improving overall heat dissipation efficiency while maintaining high power output through parallel configuration.

Cooling channels and thermal interface materials are introduced as intermediary elements between battery cells and the heat dissipation system. These intermediaries facilitate efficient heat transfer from the battery cells to the cooling system, enabling effective thermal management in high-density configurations.

The sealed structure incorporates porous venting components that maintain sealing against liquid contaminants and particles while allowing gas molecules to pass through. This selective permeability enables the structure to remain sealed for protection while providing pathways for heat-related gas expansion and pressure relief.

The sealing structure transitions from a completely static sealed state to a dynamic system with controlled venting capabilities. The venting mechanisms remain closed under normal conditions to maintain sealing but automatically open or allow passage when temperature or pressure thresholds are exceeded, adapting the sealing behavior to operational conditions.