Journal
MATERIALS LETTERS
Volume 218, Issue -, Pages 36-39Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2018.01.061
Keywords
Ni/Fe-oxides; Bifunctional catalyst; Metal-air battery; Hydrothermal method
Funding
- National Natural Science Foundation of China [51674299]
- Innovation and Entrepreneurship Fundation of Central South University [CX20170275]
Ask authors/readers for more resources
The oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) are essential to metal-air batteries and fuel cells. Highly efficient and low-cost electrocatalysts for oxygen reactions are in urgent demand. Herein, we synthesized materials through Fe2O3 and NiO depositing on carbon nanotubes (CNTs) by hydrothermal method, which can perform as efficient bifunctional electrocatalysts for the ORR and OER. These catalysts mainly contain macropores which can provide sufficient surface area for active sites. With metal oxides depositing on CNTs, it overcomes some drawbacks such as low conductivity and agglomeration of metal oxides. The catalysts show great electrocatalytic toward ORR and OER even comparing with commercial Pt-C/RuO2 catalysts. Through constructing an air battery and testing the performance of cycling, the stability of the catalyst can also be proved. (C) 2018 Elsevier B.V. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available