Superior potassium and zinc storage in K-doped VO<sub>2</sub>(B) spheres
Qifei Li, Xiangxiang Ye, Yu Jiang, Edison Huixiang Ang, Weiling Liu, Yuezhan Feng, Xianhong Rui, Yan Yu
Abstract
The K-doped VO<sub>2</sub>(B) electrode materials demonstrate enhanced ion diffusion coefficients and superior electrochemical performance both in potassium-ion batteries and zinc-ion batteries (<italic>e.g.</italic>, 122 mA h g<sup>−1</sup>at an extremely high rate of 50 A g<sup>−1</sup>).
Topics & Concepts
PotassiumDopingElectrochemistryMaterials scienceIonZincDiffusionInorganic chemistryElectrodeSPHERESAnalytical Chemistry (journal)Nuclear chemistryChemistryPhysical chemistryMetallurgyOrganic chemistryThermodynamicsOptoelectronicsPhysicsAstronomyAdvanced battery technologies researchElectrocatalysts for Energy ConversionTransition Metal Oxide Nanomaterials