Hydrolytic and oxidative stability of precursors for the synthesis of sulfide solid electrolytes

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Abstract

The oxidative and hydrolytic stability of the precursors Li2S and P2S5 for the synthesis of sulfide solid electrolytes was studied using gravimetric analysis. The study was conducted in air with different water content and dry argon. It was established that the water content in air significantly affects the stability of materials. Li2S and P2S5 are unstable even in air with the water content of 5 ppm. Moreover, it was found that the oxidative-hydrolytic stability of Li2S depends on the presence of impurities.

About the authors

Yulia Alexeevna Pilyugina

Ufa Institute of Chemistry of the Russian Academy of Sciences

ORCID iD: 0000-0001-8881-2545
Scopus Author ID: 57226310435
ResearcherId: GZG-3027-2022
69 Prospect Oktyabrya, Ufa 450054, Russia

Elena Vladimirovna Kuzmina

Ufa Institute of Chemistry of the Russian Academy of Sciences

ORCID iD: 0000-0002-3758-4762
Scopus Author ID: 6701413998
ResearcherId: A-9687-2011
69 Prospect Oktyabrya, Ufa 450054, Russia

Vladimir Sergeevich Kolosnitsyn

Institute of Organic Chemistry of the Ufa RAS Scientific Center

ORCID iD: 0000-0003-1318-6943
71, Oktyabrya Ave, Ufa, 450054

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