Microwave Popped Co(II)-Graphene Oxide Hybrid: Bifunctional Catalyst for Hydrogen Evolution Reaction and Hydrogen Storage
Lin Wei, Karen Lozano and Yuanbing Mao
1 Department of Chemistry, University of Texas Rio Grande Valley, 1201 West University Drive, Edinburg, Texas 78539, USA
2 Department of Mechanical Engineering, University of Texas Rio Grande Valley, 1201 West University Drive, Edinburg, TX 78539, USA 3 School of Earth, Environmental, and Marine Sciences, University of Texas Rio Grande Valley, 1201 West University Drive, Edinburg, Texas 78539, USA
Abstract
In an effort to develop a multifunctional catalyst for hydrogen generation and adsorption applications, a facile and cost-effective microwave popping method was used to synthesize popped graphene oxide (PGO) and Co-PGO hybrid. Both samples have been explored and compared as hydrogen storage materials and as electrocatalysts for hydrogen evolution reaction (HER) for the first time. The loading of Co(II) species on the surface of the PGO enhanced the hydrogen storage capability of PGO from 0.04wt% to 0.08wt% as measured at 293K and 800 mmHg. Co-PGO is also acting as a better electrocatalyst for HER compared to the PGO counterpart.
Publication details
Received: 29 Apr 2018
Accepted: 03 Jun 2018
Published online: 04 Jun 2018
Article type:
Research Paper
DOI:
10.30919/es8d723
Volume:
3
Page:
62-66
Citation:
Engineered Science, 2018, 3, 62-66
Permissions:
Copyright
Number of downloads:
7551
Citation Information:
14
Description:
The microwave popped Cobalt(II)-graphene oxide hybrid demonstrated bifunction: hydrogen storage and ....
The microwave popped Cobalt(II)-graphene oxide hybrid demonstrated bifunction: hydrogen storage and electrocatalysis for hydrogen evolution reaction.
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