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Bi-Layered, Ultrathin Coating Initiated Relay Response to Impart Superior Fire Resistance for Polymeric and Metallic Substrates

Authors: Wei Tang; Qi Chen; Junxiao Li; Xiang Ao; Yunhuan Liu; Lijun Qian; Silvia González Prolongo; Yong Qiu; De-Yi Wang

DOI: 10.1007/s40820-025-01739-8Status: Verified Translated Edition

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Key Findings in This Report

• Relay response of bi-layered coating achieved fast response and extended protection. • 320-µm coating achieved over 900 s of burn-through resistance. • 320-µm coating achieved extended electrochemical stability for battery under fire. • Bi-layered coating with fast response endows polyurethane foam with rapid self-extinguishing.