Graphene supported non-precious metal-macrocycle catalysts for oxygen reduction reaction in fuel cells
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- Graphene supported non-precious metal-macrocycle catalysts for oxygen reduction reaction in fuel cells
- Choi H.-J.; Ashok Kumar N.; Baek, Jong-Beom
- Issue Date
- ROYAL SOC CHEMISTRY
- NANOSCALE, v.7, no.16, pp.6991 - 6998
- Fuel cells are promising alternative energy devices owing to their high efficiency and eco-friendliness. While platinum is generally used as a catalyst for the oxygen reduction reaction (ORR) in a typical fuel cell, limited reserves and prohibitively high costs limit its future use. The development of non-precious and durable metal catalysts is being constantly conceived. Graphene has been widely used as a substrate for metal catalysts due to its unique properties, thus improving stability and ORR activities. In this feature, we present an overview on the electrochemical characteristics of graphene supported non-precious metal containing macrocycle catalysts that include metal porphyrin and phthalocyanine derivatives. Suggested research and future development directions are discussed. © 2015 The Royal Society of Chemistry
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