Potassium mediated Co–Fe-based Prussian blue analogue architectures for aqueous potassium-ion storage
Xijun Wei, Jiacheng Wei, Yingze Song, Donghai Wu, Xu Dong Liu, Houyang Chen, Peng Xiao, Yunhuai Zhang
Abstract
Prussian blue analogs (PBAs) with unique structure show great potential for aqueous potassium-ion batteries (AKIBs). Herein, K2Co[Fe(CN)6] and KNi[Co(CN)6] architectures are developed as the cathode candidates for AKIBs. Moreover, the reaction kinetics detection and DFT calculations are employed to analyse the battery performances.
Topics & Concepts
Prussian bluePotassiumAqueous solutionIonRedoxInorganic chemistryChemistryElectrical resistivity and conductivityMaterials scienceElectrochemistryElectrodePhysical chemistryOrganic chemistryPhysicsQuantum mechanicsAdvanced battery technologies researchAdvancements in Battery MaterialsAdvanced Battery Materials and Technologies