Experimental study on the degradation mechanism of LaCoO<sub>3</sub>-based symmetric supercapacitors
Xu Chen, Qiwei Su, Jipan Yu, Mingrui Wei, Guanlun Guo, Yun Wang
Abstract
Cycling tests for LaCoO<sub>3</sub>-based symmetric supercapacitors were carried out. The change in the valence state of Co in the electrode surface active material, LaCoO<sub>3</sub>, before and after the cycling test was investigated by X-ray photoelectron spectroscopy.
Topics & Concepts
Degradation (telecommunications)Mechanism (biology)SupercapacitorMaterials scienceChemical physicsChemical engineeringChemistryComputer sciencePhysicsCapacitancePhysical chemistryElectrodeEngineeringTelecommunicationsQuantum mechanicsSupercapacitor Materials and FabricationCatalytic Processes in Materials ScienceAdvancements in Battery Materials