Center of Energy Materials and Telecommunications;
Institut National de la Recherche Scientifique;
Varennes;
Quebec;
Canada;
School of Chemistry and Chemical Engineering;
Harbin Institute of Technology;
Harbin;
China;
Key Laboratory of Materials Processing and Mold;
Ministry of Education;
Zhengzhou University;
Zhengzhou;
China;
CNRS;
SIGMA Clermont;
Institut de Chimie de Clermont-Ferrand;
UniversitéClermont Auvergne;
Clermont-Ferrand;
France;
active sites; biomass; oxygen reduction reaction; porous structures;