A polydopamine coating enabling the stable cycling of MnO<sub>2</sub> cathode materials in aqueous zinc batteries
Guoli Zhang, Jiaqi Zhu, Lin Lu, Yaozhi Liu, Shuo Li, Qianrui Li, Xiaoxia Liu, Xiaoqi Sun
Abstract
A polydopamine coating is applied to the MnO 2 cathode material, which confines dissolved species during discharge and recycles them by back-deposition during charge. The cathode realizes stable cycling in aqueous zinc batteries without Mn additives.
Topics & Concepts
CathodeCoatingAqueous solutionMaterials scienceCyclingZincChemical engineeringMetallurgyNanotechnologyChemistryOrganic chemistryPhysical chemistryHistoryEngineeringArchaeologyAdvanced battery technologies researchAdvanced Battery Materials and TechnologiesAdvanced Battery Technologies Research