Fast Na-diffusive tin alloy for all-solid-state Na-based batteries
Naoto Tanibata, Koki Matsunoshita, Hirokazu Takeuchi, Suzuno Akatsuka, Misato Koga, Hayami Takeda, Masanobu Nakayama
Abstract
A metastable-phase Na–Sn binary alloy exhibiting exceptionally high Na diffusivity at room temperature ( D 25 = 5.4 × 10 −7 cm 2 s −1 ) was applied to a next-generation all-solid-state sodium battery, achieving ultralow energy loss properties.
Topics & Concepts
MetastabilityTinAlloyMaterials scienceThermal diffusivityBattery (electricity)Solid-statePhase (matter)Solid solutionSodiumChemical engineeringMetallurgyThermodynamicsChemistryPhysical chemistryPhysicsEngineeringOrganic chemistryPower (physics)Advancements in Battery MaterialsAdvanced Battery Materials and TechnologiesInorganic Chemistry and Materials