Origin of enhanced reversible Na ion storage in hard carbon anodes through p-type molecular doping
Gi‐Hyeok Lee, Taesoon Hwang, Jae-Bum Kim, Junghoon Yang, Feng Zou, Maenghyo Cho, Yong‐Mook Kang
Abstract
Phosphate doped hard carbons have shown a significant capacity increase accompanied by an additional plateau in its voltage profile. The work reveals the co-contribution of oxygen atoms in phosphate and carbon atoms for the additional Na-ion storage.
Topics & Concepts
DopingCarbon fibersIonAnodePlateau (mathematics)Materials sciencePhosphateOxygenInorganic chemistryChemistryElectrodePhysical chemistryOptoelectronicsOrganic chemistryComposite materialMathematicsComposite numberMathematical analysisAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesSupercapacitor Materials and Fabrication