Hollow Co3O4-x nanoparticles decorated N-doped porous carbon prepared by one-step pyrolysis as an efficient ORR electrocatalyst for rechargeable Zn-air batteries

• Published in: Carbon (New York) Vol. 181; pp. 87 - 98
• Main Authors: Wang, Yali, Gan, Ruihui, Ai, Zhiquan, Liu, Hao, Wei, Chengbiao, Song, Yan, Dirican, Mahmut, Zhang, Xiangwu, Ma, Chang, Shi, Jingli
• Format: Journal Article
• Language: English
• Published: New York Elsevier Ltd 30.08.2021; Elsevier BV
• Subjects: activation energy; Ammonia; Carbon; Catalysts; catalytic activity; cobalt; Cobalt oxides; Electrocatalysts; electrochemistry; electron transfer; Electron transport; Electronic structure; Energy conversion; Energy storage; Gas mixtures; Heterostructures; Hollow Co3O4-x nanoparticles; Metal air batteries; N-doped porous carbon; Nanoparticles; Nitrogen; Open circuit voltage; oxygen; Oxygen reduction reaction; Oxygen reduction reactions; Platinum; polymers; Porous materials; Pyrolysis; Quinones; Rechargeable batteries; Structural stability; Studies; Vacancies; Zinc-oxygen batteries; Zn-air batteries; Hollow Co3O4-x nanoparticles; N-doped porous carbon; Oxygen reduction reaction; Zn-air batteries

Composites of cobalt oxides and nitrogen-doped porous carbon, as electrocatalysts for oxygen reduction reaction (ORR), offer considerable potential in new-style energy conversion and storage devices. Herein, a straightforward method for production of N-doped porous carbon (Co3O4-‍x@N–C) decorated by...