Preparation of AgBiO/MnO corn/cob like nano material as a superior catalyst for oxygen reduction reaction in alkaline solution
Catalysts, ISSN: 2073-4344, Vol: 7, Issue: 12
2017
- 6Citations
- 5Captures
- 1Mentions
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Catalysts, Vol. 7, Pages 379: Preparation of Ag4Bi2O5/MnO2 Corn/Cob Like Nano Material as a Superior Catalyst for Oxygen Reduction Reaction in Alkaline Solution
Catalysts, Vol. 7, Pages 379: Preparation of Ag4Bi2O5/MnO2 Corn/Cob Like Nano Material as a Superior Catalyst for Oxygen Reduction Reaction in Alkaline Solution Catalysts doi:
Article Description
AgBiO/MnO nano-sized material was synthesized by a co-precipitation method in concentrated KOH solution. The morphology characterization indicates that MnO nanoparticles with a size of 20 nm are precipitated on the surface of nano AgBiO, forming a structure like corn on the cob. The obtained material with 60% Mn offers slightly higher initial potential (0.098 V vs. Hg/HgO) and limiting current density (-5.67 mA cm) at a rotating speed of 1600 rpm compared to commercial Pt/C (-0.047 V and -5.35 mA cm, respectively). Furthermore, the obtained material exhibits superior long-term durability and stronger methanol tolerance than commercial Pt/C. The remarkable features suggest that the AgBiO/MnO nano-material is a very promising oxygen reduction reaction catalyst.
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