Phosphate functionalized CoS nanoparticles coupled with Fe2O3nanocrystals decorated on N,S co-doped porous carbon spheres for advanced hybrid supercapacitors

An advanced hybrid supercapacitor with excellent electrochemical features was assembled using N,S co-doped porous carbon sphere decorated CoS nanoparticles with phosphate functionalization and ultrafine Fe 2 O 3 nanocrystals.