Premium
Fe 3 O 4 Nanoparticles Supported on Arc‐synthesized Carbon Nanotubes as Advanced Electrocatalyst for Oxygen Reduction Reaction
Author(s) -
Zhao Jiang,
Luo Jinsong,
Li Dan,
Zhou Ziwei,
Ji Guanghan,
Shi Qingling,
Xiang Yangjun
Publication year - 2019
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201901378
Subject(s) - electrocatalyst , catalysis , carbon nanotube , materials science , nanoparticle , oxygen reduction reaction , chemical engineering , carbon fibers , metal , fuel cells , nanotechnology , inorganic chemistry , electrode , electrochemistry , chemistry , metallurgy , composite material , organic chemistry , composite number , engineering
Oxygen reduction reaction (ORR) is an important half reaction in many renewable energy conversion and storage sources. The development of efficient, cost‐effective and durable non‐precious ORR catalysts with their catalytic efficiencies close to expensive Pt‐based catalysts is promising towards large‐scale practical applications of fuel cells and metal‐air batteries. Herein, we report a facile and scalable in‐situ synthesis of Fe 3 O 4 nanoparticles supported on carbon nanotubes hybrid material using arc‐discharge method in low‐pressure air and use Fe 3 O 4 /CNTs hybrid as a highly efficient ORR electrocatalyst. The as‐synthesized Fe 3 O 4 /CNTs catalyst shows excellent ORR catalytic activity with its performance close to or even better than the commercial 20wt% Pt/C in alkaline media due to the synergistic effect between Fe 3 O 4 and CNTs. This study provides a new insight into non‐precious metal ORR catalysts that are feasible in alkaline membrane fuel cells and metal‐air batteries.