Graphdiyne/Graphene/Graphdiyne Sandwiched Carbonaceous Anode for Potassium-Ion Batteries
Jiaqiang Li, Yuyang Yi, Xintao Zuo, Bingbing Hu, Zhihua Xiao, Ruqian Lian, Ya Kong, Lianming Tong, Ruiwen Shao, Jingyu Sun, Jin Zhang
Abstract
electrochemical impedance spectroscopy/Raman spectroscopy/transmission electron microscopy are further applied to probe the K-ion storage feature and disclose the favorable reversibility of GDY/Gr/GDY electrode during repeated potassiation/depotassiation. A full-cell device comprising a GDY/Gr/GDY anode and a potassium Prussian blue cathode enables a high cycling stability, demonstrative of the promising potential of the GDY/Gr/GDY anode for K-ion batteries.
Topics & Concepts
AnodeMaterials scienceGrapheneCathodePrussian blueRaman spectroscopyElectrodeNanotechnologyAnalytical Chemistry (journal)ElectrochemistryChemistryOpticsPhysical chemistryChromatographyPhysicsAdvancements in Battery MaterialsSupercapacitor Materials and FabricationAdvanced Battery Materials and Technologies