Enhanced electrochemical performance of NH<sub>4</sub>V<sub>4</sub>O<sub>10</sub> in aqueous zinc-ion batteries <i>via</i> PVP intercalation and oxygen vacancy engineering
Luyao Pan, Yangang Sun, Song Yao, Yuxin Zhang, Zhaoxia Wen
Abstract
The PVP-doped NVO showed reduced crystallinity, formation of oxygen vacancies and layered nanoblisters after calcination, and 91.6% capacity retention after 1000 cycles at 5 A g −1 .
Topics & Concepts
Intercalation (chemistry)ElectrochemistryAqueous solutionOxygen evolutionVacancy defectIonZincMaterials scienceOxygenInorganic chemistryChemistryChemical engineeringElectrodeMetallurgyCrystallographyOrganic chemistryPhysical chemistryEngineeringAdvanced battery technologies researchExtraction and Separation ProcessesAdvancements in Battery Materials