Glucose–ethanol-assisted synthesis of amorphous CoO@C core–shell composites for electrochemical capacitors electrode

摘要: Abstract Amorphous core–shell CoO@C and Mn 3 O 4 @C composites have been synthesized by documenting a simple glucose–ethanol-assisted approach characterized SEM, TEM, X-ray diffraction, energy dispersive spectroscopy photoelectron spectroscopy. Electrochemical measurements are performed to examine the composites, result shows that structure has much higher capacitance, power density better cycling performance than of C/CoO hybrids. This improvement can be attributed nature structure, which promotes fast Faradaic charging discharging reaction also minimizes both ionic electronic transportation distances therefore improves resulting electrode kinetic performance.