Graphene–Ni–α-MnO2 and –Cu–α-MnO2 nanowire blends as highly active non-precious metal catalysts for the oxygen reduction reaction

2012 ◽  
Vol 48 (64) ◽  
pp. 7931 ◽  
Author(s):  
Timothy N. Lambert ◽  
Danae J. Davis ◽  
Wei Lu ◽  
Steven J. Limmer ◽  
Paul G. Kotula ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Precious Metal ◽  
Reduction Reaction ◽  
Metal Catalysts ◽  
Highly Active ◽  
Precious Metal Catalysts

Probing oxygen reduction and oxygen evolution reactions on bifunctional non-precious metal catalysts for metal–air batteries

RSC Advances ◽  
2016 ◽  
Vol 6 (75) ◽  
pp. 71122-71133 ◽  
Author(s):  
Thirupathi Thippani ◽  
Sudip Mandal ◽  
Guanxiong Wang ◽  
Vijay K. Ramani ◽  
R. Kothandaraman
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Oxygen Evolution ◽  
Electrode Surface ◽  
Precious Metal ◽  
Surface Coverage ◽  
Reduction Reaction ◽  
Metal Catalysts ◽  
Reaction Intermediates ◽  
Precious Metal Catalysts

Increase in surface coverage by oxygen reduction reaction intermediates with increase in overpotential impeding diffusion of oxygen to the electrode surface.

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