Stabilization of VOPO<sub>4</sub>·2H<sub>2</sub>O voltage and capacity retention in aqueous zinc batteries with a hydrogen bond regulator
Zhongqiu Jia, Xianpeng Yang, Hua‐Yu Shi, Shouyan Hu, Xiaoqi Sun
Abstract
O cathode maintains the redox reactions at a high voltage of 1.6 V/1.5 V with stable capacity retention during cycling at different rates. It also shows promising electrochemical activity and stability at temperatures down to -20 °C.
Topics & Concepts
DissolutionAqueous solutionCathodeElectrochemistryElectrolyteChemistryInorganic chemistryRedoxZincOxideHydrogen bondChemical engineeringElectrodeMoleculeOrganic chemistryPhysical chemistryEngineeringAdvanced battery technologies researchAdvanced Battery Technologies ResearchElectrocatalysts for Energy Conversion