eesliidet
Eesliidet is a fictional crystalline material described in speculative science and worldbuilding contexts. In these narratives, it is portrayed as a transition-metal–rich mineral with unusually high thermal stability and exceptional electrical and ionic conductivity, making it a focal point in discussions of next‑generation energy materials. The name is often linked to an imagined region or language of Eesli, with the ending “-idet” used to evoke mineral-like nomenclature. Descriptions vary, but common claims include a layered or intergrown crystal structure that supports rapid ion transport and high electron mobility at elevated temperatures.
Natural formation stories place eesliidet in ultrahigh‑temperature hydrothermal systems or deep crustal fluids, typically in association
In worldbuilding and related speculative discussions, eesliidet is proposed as a candidate material for solid‑state batteries,