期刊
2D MATERIALS
卷 2, 期 3, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/2053-1583/2/3/034019
关键词
reduced graphene oxide; iridium; oxygen reduction reaction; electrocatalysts
资金
- National Research Foundation of Korea (NRF) grant - Korea government (MEST) [NRF-2014M2B2A4030280]
- International Cooperation of the Korean Institute of Energy Technology Evaluation and Planning (KETEP) - Korean Ministry of Knowledge Economy [20128510010050]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20128510010050] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2014M2B2A4030280] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Development of new systems with high catalytic performances in the oxygen reduction reaction (ORR) for practical applications in fuel cells and metal-air batteries is a challenge. We develop a one-pot solution method for producing a novel hybrid material consisting of Ir species anchored on N-doped graphene. The hybrid is synthesized by reacting graphene oxide with IrCl3 center dot xH(2)O in dimethylformamide under reflux. Chemical and structural analyses confirm the attachment of Ir atoms to the N and O atoms of the N-doped graphene-based materials. The hybrid shows a good electrocatalytic performance for the ORR in alkaline media, with an onset potential of 0.88 V(versus the reversible hydrogen electrode), high long-term durability, and good tolerance for methanol poisoning.
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