A two-electron transfer mechanism of the Zn-doped δ-MnO<sub>2</sub> cathode toward aqueous Zn-ion batteries with ultrahigh capacity
Wen Zhao, Jared Fee, Harshul S. Khanna, Seth March, Nathaniel Nisly, Samantha Joy B. Rubio, Can Cui, Zhuo Li, Steven L. Suib
Abstract
We developed a Zn-doped δ-MnO 2 material via a microwave-assisted method for the cathode in aqueous ZIBs. The successive insertion of H + and Zn 2+ and deep two-electron transfer routes mechanism is revealed systematically by ex situ experiments.
Topics & Concepts
Aqueous solutionMaterials scienceCathodeElectron transferDopingIonChemical engineeringMicrowaveInorganic chemistryOptoelectronicsChemistryPhotochemistryPhysical chemistryOrganic chemistryPhysicsQuantum mechanicsEngineeringAdvanced battery technologies researchAdvanced Battery Materials and TechnologiesAdvancements in Battery Materials