MOF-derived Bi<sub>2</sub>O<sub>3</sub>@C microrods as negative electrodes for advanced asymmetric supercapacitors
Xianbo Yu, Jie Sun, Wen‐Na Zhao, Shihang Zhao, Hongmei Chen, Kai Tao, Yaoping Hu, Lei Han
Abstract
Bi<sub>2</sub>O<sub>3</sub> microrods with a carbon coat (Bi<sub>2</sub>O<sub>3</sub>@C) exhibit ultrahigh specific capacity (1378 C g<sup>−1</sup> at 0.5 A g<sup>−1</sup>) and excellent cycling stability (93% retention at 4000 cycles) as negative electrodes for supercapacitors.
Topics & Concepts
SupercapacitorElectrodeMaterials scienceNanotechnologyOptoelectronicsChemical engineeringChemistryElectrochemistryEngineeringPhysical chemistrySupercapacitor Materials and FabricationConducting polymers and applicationsAdvanced battery technologies research