Vacancy-engineered MoO<sub>3</sub> and Na<sup>+</sup>-preinserted MnO<sub>2</sub><i>in situ</i> grown N-doped graphene nanotubes as electrode materials for high-performance asymmetric supercapacitors
Jian Zhao, Cheng He, Huanyu Li, Yan-Jie Wang, Qingyan Jiang, Lina Yang, Alan Meng, Jianfeng Huang, Changlong Sun, Huifang Li, Zhenjiang Li, Jiujun Zhang
Abstract
An asymmetric supercapacitor device based on an advanced N-GNTs@MoO 3− x negative electrode and N-GNTs@Na + -preinserted MnO 2 positive electrode was designed, and it exhibits excellent charge storage capability.
Topics & Concepts
SupercapacitorMaterials scienceElectrodeGrapheneDopingVacancy defectNanotechnologyChemical engineeringElectrochemistryOptoelectronicsCrystallographyChemistryPhysical chemistryEngineeringSupercapacitor Materials and FabricationAdvancements in Battery MaterialsGraphene research and applications