4 V room-temperature all-solid-state sodium battery enabled by a passivating cathode/hydroborate solid electrolyte interface
Ryo Asakura, David Reber, Léo Duchêne, SeyedHosein Payandeh, Arndt Remhof, Hans Hagemann, Corsin Battaglia
Abstract
A self-passivating cathode/electrolyte interface achieves stable, room-temperature long-term cycling of 4 V-class Na<sub>3</sub>(VOPO<sub>4</sub>)<sub>2</sub>F|Na<sub>4</sub>(CB<sub>11</sub>H<sub>12</sub>)<sub>2</sub>(B<sub>12</sub>H<sub>12</sub>)|Na all-solid-state sodium batteries with the highest reported discharge cell voltage and cathode-based specific energy.
Topics & Concepts
CathodeElectrolyteMaterials scienceBattery (electricity)SodiumSolid-stateAnalytical Chemistry (journal)Inorganic chemistryChemistryElectrodePhysical chemistryMetallurgyThermodynamicsPhysicsChromatographyPower (physics)Advanced Battery Materials and TechnologiesAdvancements in Battery MaterialsThermal Expansion and Ionic Conductivity