Guides
Engineering guides on cell-to-cell thermal barriers, thermal propagation, material selection and test preparation for lithium-ion battery packs and energy storage systems.
Aerogel vs mica vs ceramic fibre: choosing a cell-to-cell thermal barrier
A practical comparison of aerogel, mica and ceramic-fibre barriers for lithium-ion packs: insulation at temperature, compression, dielectric strength, burn-through resistance and cost, with a selection checklist.
Updated 2026-11-15
Thermal runaway propagation explained: how one cell ignites the next, and how barriers stop it
How lithium-ion thermal runaway starts, the three routes by which it spreads from cell to cell, and the four jobs a cell-to-cell thermal barrier has to do.
Updated 2026-11-15