Journal
ACS CATALYSIS
Volume 7, Issue 9, Pages 6394-6399Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acscatal.7b02079
Keywords
Prussian blue analogues; penroseite (Ni,Co)Se-2 nanocages; graphene aerogel; OER; HER
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Funding
- National Natural Science Foundation of China [51372212]
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Efficient water splitting demands highly active, low cost, and robust electrocatalysts. In this study, we report the synthesis of penroseite (Ni,Co)Se-2 nanocages anchored on 3D graphene aerogel using Prussian blue analogues as a precursor and further their applications in overall water splitting electrolysis. The synergy between the high activity of (Ni,Co)Se-2 and the good conductivity of graphene leads to superior performance of the hybrid toward the water splitting in basic solutions. The (Ni,Co)Se-2-GA only requires a low cell voltage of 1.60 V to reach the current density of 10 mA cm(-2), making the (Ni,Co)Se-2-GA hybrid a competitive alternative to noble metal based catalysts for water splitting.
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