B4 Li4 S10

B₄Li₄S₁₀ is an experimental lithium boron sulfide compound belonging to the semiconductor material family, representing an emerging class of mixed-anion materials being investigated for energy storage and optoelectronic applications. This research-phase compound is of interest primarily in battery chemistry and solid-state electrolyte development, where lithium-rich sulfide compositions show promise for next-generation lithium-sulfur and all-solid-state battery systems due to their potential ionic conductivity and electrochemical stability. The material's notable advantage over conventional organic electrolytes and simpler sulfide compositions lies in its potential to combine lithium-ion transport with mechanical resilience, though it remains largely in academic exploration rather than commercial deployment.