Unraveling Oxygen Reduction Reaction Mechanisms on Carbon-Supported Fe-Phthalocyanine and Co-Phthalocyanine Catalysts in Alkaline Solutions

2009 ◽  
Vol 113 (48) ◽  
pp. 20689-20697 ◽  
Author(s):  
Rongrong Chen ◽  
Haixia Li ◽  
Deryn Chu ◽  
Guofeng Wang
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Reaction Mechanisms ◽  
Reduction Reaction ◽  
Alkaline Solutions

Generation of OH radicals in oxygen reduction reaction at Pt–Co nanoparticles supported on graphene in alkaline solutions

2010 ◽  
Vol 46 (19) ◽  
pp. 3369 ◽  
Author(s):  
Qiaoli Yue ◽  
Ke Zhang ◽  
Xiumei Chen ◽  
Lei Wang ◽  
Jinsheng Zhao ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Reduction Reaction ◽  
Alkaline Solutions ◽  
Oh Radicals ◽  
Co Nanoparticles

scholarly journals Boosting the oxygen reduction reaction mechanisms in IT-SOFC cathodes by catalytic functionalization

2015 ◽  
Vol 3 (32) ◽  
pp. 16440-16444 ◽  
Author(s):  
L. Navarrete ◽  
C. Solís ◽  
J. M. Serra
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Reaction Mechanisms ◽  
Reduction Reaction ◽  
Oxide Nanoparticles ◽  
Catalytic Functionalization

A robust LSM-GDC composite was used as a backbone electrode for the infiltration of different catalysts, dispersed as oxide nanoparticles after firing.

scholarly journals Polyacrylamide Microspheres-Derived Fe3C@N-doped Carbon Nanospheres as Efficient Catalyst for Oxygen Reduction Reaction

Polymers ◽  
2019 ◽  
Vol 11 (5) ◽  
pp. 767 ◽  
Author(s):  
Ming Chen ◽  
Yu Jiang ◽  
Ping Mei ◽  
Yan Zhang ◽  
Xianfeng Zheng ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Electrocatalytic Activity ◽  
Active Sites ◽  
Reduction Reaction ◽  
Limiting Current ◽  
Alkaline Solutions ◽  
Carbon Nanospheres ◽  
Hydrogen Electrode ◽  
Efficient Catalyst

High-performance non-precious metal catalysts exhibit high electrocatalytic activity for the oxygen-reduction reaction (ORR), which is indispensable for facilitating the development of multifarious renewable energy systems. In this work; N-doped carbon-encapsulated Fe3C nanosphere ORR catalysts were prepared through simple carbonization of iron precursors loaded with polyacrylamide microspheres. The effect of iron precursors loading on the electrocatalytic activity for ORR was investigated in detail. The electrochemical measurements revealed that the N-doped carbon-encapsulated Fe3C nanospheres exhibited outstanding electrocatalytic activity for ORR in alkaline solutions. The optimized catalyst possessed more positive onset potential (0.94 V vs. reversible hydrogen electrode (RHE)), higher diffusion limiting current (5.78 mA cm−2), better selectivity (the transferred electron number n > 3.98 at 0.19 V vs. RHE) and higher durability towards ORR than a commercial Pt/C catalyst. The efficient electrocatalytic performance towards ORR can be attributed to the synergistic effect between N-doped carbon and Fe3C as catalytic active sites; and the excellent stability results from the core-shell structure of the catalysts.

Active catalysts based on cobalt oxide@cobalt/N-C nanocomposites for oxygen reduction reaction in alkaline solutions

Nano Research ◽  
2014 ◽  
Vol 7 (7) ◽  
pp. 1054-1064 ◽  
Author(s):  
Dekang Huang ◽  
Yanping Luo ◽  
Shaohui Li ◽  
Bingyan Zhang ◽  
Yan Shen ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Cobalt Oxide ◽  
Reduction Reaction ◽  
Alkaline Solutions
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