Thin, highly electrically conductive titanium carbide MXene coating with low thermal conductivity could replace thick layers of insulation

https://www.eurekalert.org/news-releases/1067062 .

"thermal conductivity almost 1 order magnitude smaller than predicted by solid-state physics, 2 orders magnitude smaller than common metals... can produce >100°F temperature drop... spray coating performs as well as inch-thick mineral felt with aluminum insulation.. building materials, performance apparel, energy storage, thermal isolation, shielding, insulating ovens,  protective shielding for aerospace vehicles"