Intelligent fireproof and heat insulation coating and application thereof in lithium battery protection
By introducing a biomimetic pore framework and nano-ceramic filler into the lithium battery coating, combined with thermally expanding fire extinguishing microspheres, the problem of insufficient mechanical strength of the intumescent coating under thermal runaway was solved, achieving high-efficiency impact resistance and thermal insulation performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-05-12
- Publication Date
- 2026-07-17
AI Technical Summary
Existing intumescent fire-retardant coatings lack sufficient mechanical strength during lithium battery thermal runaway, failing to effectively resist high-temperature, high-pressure flames and particle impacts, leading to protective failure.
It adopts a multi-level structural design, combining a biomimetic porous skeleton with nano-ceramic filler. Through thermal expansion fire extinguishing microspheres, fire extinguishing agent is released at high temperature and a dense carbon layer is formed in the skeleton, achieving lightweight heat insulation at room temperature, intelligent fire extinguishing, and dynamic protection with high temperature and high strength.
It improves the compressive strength and impact resistance of the coating, effectively resisting the physical impact of high-speed particles and high-pressure flames generated by thermal runaway. At the same time, it forms a durable high-temperature insulation barrier through chemical fire suppression and physical cooling.
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Abstract
Citation Information
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