Delays Thermal Runaway Propagation by ~7×
Combining aerogel thermal insulation with temperature-responsive release of fire-extinguishing agent, this sheet extends the thermal runaway propagation time in a battery module from 430 s to 2907 s, outperforming conventional insulation materials.
Xiao, Yueyue · Pan, Yuelei · Jie, Yang · Longlong, Li · 75802734 · Cheng, Xudong · Zhang, Heping
Chemical Engineering Journal 2025
Thermal runaway propagation time extended from 430 s to 2907 s (confined battery module condition)
Superior to conventional thermal insulation materials (confined battery module condition)
Releases fire-extinguishing agent in early stage of thermal runaway via rapid heat absorption
Coupled with high-temperature resistant aerogel sheet to suppress thermal runaway propagation