Battery Thermal Barriers
Application & material guidance
Battery Thermal Barriers
Thin alumina fiber sheets offer a starting point for thermal barriers between cells, modules and adjacent structures. Successful protection depends on the complete assembly and its tested exposure conditions.
Work within the available space
Morlion’s inorganic fiber-paper range is listed at 0.2–1 mm thickness and 60–200 g/m². It can be considered for thin insulating layers, while thicker fiber formats may suit surrounding structures. Adhesives, films and facings introduce their own temperature and electrical limits.
Evaluate the full hazard profile
- Heat flux, flame or hot-gas exposure and duration.
- Electrical isolation before and after thermal exposure.
- Compression, vibration, abrasion and moisture exposure.
- Edges, penetrations, fixing points and adjacent combustible materials.
Keep test claims tied to the sample
A fiber temperature rating does not establish thermal-runaway containment for a battery pack. Specify a representative barrier stack and qualification method. AFIBRE also describes encapsulated fiber-paper thermal barriers; their product-specific results should not be transferred to a different Morlion construction.
Battery enclosure and cover development
Beyond thin internal barriers, battery cover development combines fire resistance, structural requirements and weight constraints. Rongrong identifies fiber blankets, paper and continuous-fiber-reinforced aerogel composites for this area. These are distinct material constructions: define the required cover geometry and barrier stack before selecting a Morlion material for evaluation.
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Tell us your operating conditions, component dimensions and qualification requirements so we can review an appropriate material and supply format.