期刊
SOLID STATE SCIENCES
卷 33, 期 -, 页码 1-5出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solidstatesciences.2014.04.002
关键词
Nanomaterials; Doped graphene; Catalysis; Oxygen reduction; Fuel cell
资金
- Inha University
- Center for Advanced Soft Electronics under the Global Frontier Research Program of the Ministry of Science, ICT & Future Planning, Korea [2013M3A6A5073173]
- International Cooperation of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) under the Ministry of Knowledge Economy, Korea [20128510010050]
- Basic Science Research Program through the National Research Foundation (NRF) of Korea - Ministry of Education [NRF-2013R1A1A2012960]
- National Junior Research Fellowship [NRF-2013H1A8A1003741]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20128510010050] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Chemically modified graphenes (CMGs) show great promise for various applications owing to the feasibility of their low-cost mass production and good solution processability. Recently, hetero-atom-doped CMGs have been suggested as good candidate materials for electrochemical catalysts in oxygen reduction reaction (ORR). In this study, we synthesized B, N co-doped graphene nano-platelets (BN-rG-O) using a two-step solution process with sequential reaction of graphene oxide with borane tetrahydrofuran and hydrazine monohydrate. In the ORR measured in a basic medium (0.1 M KOH), BN-rG-O exhibits an onset potential of 0.81 V (vs. reversible hydrogen electrode), follows near four electron pathway, and shows excellent stability against methanol poisoning and during durability tests. (C) 2014 Elsevier Masson SAS. All rights reserved.
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