Understanding and mitigation of NaTi<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub> degradation in aqueous Na-ion batteries
Gintarė Plečkaitytė, Milda Petrulevičienė, Laurynas Staišiūnas, Davit Tediashvili, Jurgis Pilipavičius, Jurga Juodkazytė, Linas Vilčiauskas
Abstract
Increasing local pH due to oxygen reduction induced self-discharge is the main mechanism of material dissolution and capacity fade of NaTi<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub> electrodes in aqueous media. This problem can be strongly mitigated by ALD of a protective Al<sub>2</sub>O<sub>3</sub> layer.
Topics & Concepts
Aqueous solutionDegradation (telecommunications)DissolutionIonElectrodeFadeChemistryOxygenAnalytical Chemistry (journal)Inorganic chemistryMaterials scienceMineralogyEnvironmental chemistryPhysical chemistryPhysicsTelecommunicationsComputer scienceAcousticsOrganic chemistryAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesAdvanced battery technologies research