Nanocrystallites-forming hierarchical porous Ni/Al2O3-TiO2 catalyst for dehydrogenation of organic chemical hydrides

► Nanocrystallites-forming hierarchical porous Ni/Al2O3-TiO2 catalyst. ► Nano Al2O3 crystallite aggregates as bracing skeleton and TiO2 for modulation. ► Economical Ni catalysts for dehydrogenation of organic chemical hydrides. ► Catalysts exhibited superior catalytic performance to the compared one.