Promotion of oxygen reduction reaction on a double perovskite electrode by a water-induced surface modification

2021 ◽  
Author(s):  
Jun Hyuk Kim ◽  
Seonyoung Yoo ◽  
Ryan Murphy ◽  
Yu Chen ◽  
Yong Ding ◽  
...  
Keyword(s):  
Raman Spectroscopy ◽  
Surface Modification ◽  
Catalytic Activity ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
High Temperatures ◽  
Self Assembly ◽  
Double Perovskite ◽  
Reduction Reaction

Water-mediated surface self-assembly on PrBa0.8Ca0.2Co2O5+δ (PBCC) results in formation of BaCoO3−δ (BCO) nanoparticles to boost catalytic activity of oxygen reduction, as confirmed by in situ Raman spectroscopy at high temperatures (HT).

Oxygen Reduction Reaction on Au Revisited at Different pH Values using in situ Surface‐Enhanced Raman Spectroscopy

ChemSusChem ◽  
2020 ◽  
Vol 13 (10) ◽  
pp. 2702-2708 ◽  
Author(s):  
Hai‐Yang Yu ◽  
Xiao‐Feng Li ◽  
Tian‐Heng Zhang ◽  
Jiao Liu ◽  
Jing‐Hua Tian ◽  
...  
Keyword(s):  
Raman Spectroscopy ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Surface Enhanced Raman Spectroscopy ◽  
Reduction Reaction ◽  
Ph Values ◽  
Surface Enhanced ◽  
Surface Enhanced Raman

Attenuating a metal–oxygen bond of a double perovskite oxide via anion doping to enhance its catalytic activity for the oxygen reduction reaction

2020 ◽  
Vol 8 (28) ◽  
pp. 14091-14098
Author(s):  
Lihong Zhang ◽  
Wang Sun ◽  
Chunming Xu ◽  
Rongzheng Ren ◽  
Xiaoxia Yang ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Oxygen Reduction Reaction ◽  
Reaction Kinetics ◽  
Oxygen Reduction ◽  
Adsorption Process ◽  
Surface Adsorption ◽  
Double Perovskite ◽  
Reduction Reaction ◽  
Perovskite Oxide ◽  
Oxygen Bond

F-doping promotes the diffusion and surface adsorption process of oxygen at the cathode, and the reaction kinetics have been significantly improved.

Tuning layer-structured La0.6Sr1.4MnO4+δ into a promising electrode for intermediate-temperature symmetrical solid oxide fuel cells through surface modification

2016 ◽  
Vol 4 (27) ◽  
pp. 10641-10649 ◽  
Author(s):  
Jian Shen ◽  
Guangming Yang ◽  
Zhenbao Zhang ◽  
Wei Zhou ◽  
Wei Wang ◽  
...  
Keyword(s):  
Surface Modification ◽  
Catalytic Activity ◽  
Solid Oxide Fuel Cells ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Reduction Reaction ◽  
Solid Oxide ◽  
Oxide Fuel ◽  
Electro Oxidation ◽  
Symmetrical Sofc

The co-modification of LSMO4 electrode with SDC and NiO is found to increase its oxygen reduction reaction and fuel electro-oxidation catalytic activity, thus the symmetrical SOFC performance.

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