Superior durability and stability of Pt electrocatalyst on N-doped graphene-TiO2 hybrid material for oxygen reduction reaction and polymer electrolyte membrane fuel cells

•Dual N-doped graphene-TiO2 composites (NG-TiON) for fuel cell system were successfully synthesized.•Pt/NG-TiON exhibited an excellent ORR activity with high half-wave positive potential and four-electron pathway.•Pt catalysts loaded on NG-TiON supports exhibited outstanding durability in long-term accelerated test.•Pt/NG-TiON catalyst exhibited higher stability and activity compared with Pt/C catalyst.