THERMAL BARRIER MATERIAL FOR A RECHARGEABLE ELECTRICAL ENERGY STORAGE SYSTEM

A multilayer material for use as a thermal insulation barrier and/or flame barrier in a rechargeable electrical energy storage system is provided. The multilayer material comprises at least one inorganic fabric layer bonded to a nonwoven layer comprising inorganic particles and inorganic fibers by an inorganic adhesive, wherein the inorganic adhesive. The inorganic adhesive can be a modified inorganic adhesive comprising at least 99 wt. % inorganic constituents and an organic additive of at least 0.01 wt. % and less than 1 wt. % based on a total solids content of the inorganic adhesive.