Encapsulation of Co/Co3O4 hetero-nanoparticles within the inner tips of N-doped carbon nanotubes: Engineering Mott-Schottky nanoreactors for efficient bifunctional oxygen electrocalysis toward flexible zinc-air batteries

Binbin Zhang, Tingyu Lu, Yiping Ren, Longzhen Huang, Huan Pang, Qun Zhao, Shu Tian, Jun Yang, Lin Xu, Yawen Tang, Xinlong Tian