Journal
MATERIALS RESEARCH BULLETIN
Volume 74, Issue -, Pages 441-446Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2015.11.007
Keywords
Composites; Chemical synthesis; Electrochemical measurements; Catalytic properties; Electrochemical properties
Categories
Funding
- Collaborative Innovation Center of Suzhou Nano Science and Technology
- National Basic Research Program of China (973 Program) [2012CB825803, 2013CB932702]
- National Natural Science Foundation of China [51422207, 51132006, 21471106]
- Specialized Research Fund for the Doctoral Program of Higher Education [20123201110018]
- Suzhou Planning Project of Science and Technology [ZXG2012028]
- Natural Science Foundation of Jiangsu Province of China [BK20140310]
- China Postdoctoral Science Foundation [2014M560445]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
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Water oxidation to produce oxygen as a means of renewable energy applications has attracted intense interest. However, the oxygen evolution reaction (OER) is still a huge challenge due to its a kinetically slow process requiring high overpotential. Therefore, the design and fabrication of highly active, durable, and cost-effective electrocatalysts are crucial. Here, we demonstrate the graphene/Ni-Fe layered double-hydroxide (RGO-Ni-Fe LDH) composite as highly active and durable electrocatalyst for OER, which exhibits excellent OER activity with a small overpotential (similar to 250 mV in 0.1 M KOH) based on the onset of catalytic current and stability. Furthermore, the electrocatalytic activity of RGO-Ni-Fe LDH composite is much better than that of others similar structures of electrocatalysts. (C) 2015 Elsevier Ltd. All rights reserved.
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