Production of novel FeOOH/reduced graphene oxide hybrids and their performance as oxygen reduction reaction catalysts
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- Production of novel FeOOH/reduced graphene oxide hybrids and their performance as oxygen reduction reaction catalysts
- Lee, Jae Yeong; Cheon, Jae Yeong; Lee, Won Jun; Kim, Sang Ouk; Joo, Sang Hoon; Park, Sungjin
- ELECTROLYTE FUEL-CELLS; X-RAY PHOTOELECTRON; ELECTROCHEMICAL CAPACITORS; ELECTROCATALYTIC REDUCTION; ENVIRONMENTAL APPLICATIONS; CARBON NANOTUBES; GRAPHITE OXIDE; O-2 REDUCTION; ACTIVE-SITES; METAL-OXIDE
- Issue Date
- PERGAMON-ELSEVIER SCIENCE LTD
- CARBON, v.80, no.1, pp.127 - 134
- Fe-based hybrid systems have been suggested as promising candidates for oxygen reduction reaction (ORR) catalysts owing to their good catalytic performances and feasibilities for mass production at low cost. In this work, we develop means of producing novel hybrids containing FeOOH particles well-dispersed on graphene-based materials using a one-pot solution process. The hybrid materials show good electrochemical catalytic activity for ORR, such as, an on-set potential of 0.76 V (vs. the reversible hydrogen electrode), a near four electron pathway, and excellent stability against methanol poisoning during durability test. This is the first report of the use of FeOOH/reduced graphene oxide hybrid materials as ORR catalysts.
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