Nominally stoichiometric Na<sub>3</sub>(W<sub><i>x</i></sub>Si<sub><i>x</i></sub>Sb<sub>1−2<i>x</i></sub>)S<sub>4</sub> as a superionic solid electrolyte
Suyeon Han, Jung Yong Seo, Woon Bae Park, S. J. Richard Prabakar, Sangwon Park, Kee‐Sun Sohn, Myoungho Pyo
Abstract
Nominally stoichiometric Na 3 W x Si x Sb 1−2 x S 4 is presented as Na + -conducting solid-state electrolytes. When x = 0.2, it shows the highest ionic conductivity of 13.2 mS cm −1 , despite the absence of intentionally incorporated Na + vacancies.
Topics & Concepts
StoichiometryIonic conductivityCrystallographyMaterials scienceAnalytical Chemistry (journal)Solid-stateIonic bondingSolid solutionChemistryPhysical chemistryElectrolyteIonMetallurgyChromatographyOrganic chemistryElectrodeAdvanced Battery Materials and TechnologiesSolid-state spectroscopy and crystallographyThermal Expansion and Ionic Conductivity