Waste cotton fabric derived porous carbon containing Fe₃O₄/NiS nanoparticles for electrocatalytic oxygen evolution

Shan Jiang^a, Hao Shao^a, Genyang Cao^b, Han Li^a, Weilin Xu^a, Jingliang Li^a, Jian Fang^a^,^c^,^*(

), Xungai Wang^a^,^*(

)

Fig. 4.. (a) Nitrogen adsorption and desorption isotherm, (b) pore size distribution, (c) BET specific surface area and (d) Raman spectra of different catalysts.