Insight into the corrosion microcell and passivation mechanisms of a Zn anode for aqueous zinc-ion batteries
Ruijia Liu, Feng Hong, Qiqi Dai, Yupeng Xing, Hongfei Li, Sanlue Hu, Bo Tang, Cuiping Han, Nan Ding
Abstract
A spontaneous microcell corrosion mechanism of Zn anode in a static ZnSO 4 solution was revealed via localized electrochemical analysis techniques. Zn corrosion could induce its self-passivation, causing the formation of plate-like Zn 4 SO 4 (OH) 6 · x H 2 O.
Topics & Concepts
MicrocellPassivationAnodeZincCorrosionGalvanic anodeMaterials scienceAqueous solutionMetallurgyIonChemistryNanotechnologyElectrodeComputer scienceLayer (electronics)Cathodic protectionTelecommunicationsOrganic chemistryPhysical chemistryAdvanced battery technologies researchElectrocatalysts for Energy ConversionElectrochemical Analysis and Applications