scholarly journals Promoted oxygen reduction kinetics on nitrogen-doped hierarchically porous carbon by engineering proton-feeding centers

2020 ◽  
Vol 13 (9) ◽  
pp. 2849-2855 ◽  
Author(s):  
Guangbo Chen ◽  
Tao Wang ◽  
Pan Liu ◽  
Zhongquan Liao ◽  
Haixia Zhong ◽  
...  
Keyword(s):  
Oxygen Reduction ◽  
Porous Carbon ◽  
Water Dissociation ◽  
Reduction Kinetics ◽  
Dissociation Process ◽  
Hierarchically Porous ◽  
Nitrogen Doped ◽  
Orr Kinetics ◽  
Oxygen Reduction Kinetics

We demonstrate the important role of the water dissociation process in proton-feeding and enhancing ORR kinetics under an alkaline environment.

Electrocatalytic oxygen reduction kinetics on Fe-center of nitrogen-doped graphene

2014 ◽  
Vol 16 (27) ◽  
pp. 13733-13740 ◽  
Author(s):  
Jing Sun ◽  
Ya-Hui Fang ◽  
Zhi-Pan Liu
Keyword(s):  
Oxygen Reduction ◽  
First Principles ◽  
Reduction Kinetics ◽  
Nitrogen Doped ◽  
Electrocatalytic Oxygen Reduction ◽  
Nitrogen Doped Graphene ◽  
Doped Graphene ◽  
Oxygen Reduction Kinetics

OOH dissociation is the key step in electrocatalytic oxygen reduction on Fe–N centers of graphite, as revealed from first principles.

Fe–Nxmoiety-modified hierarchically porous carbons derived from porphyra for highly effective oxygen reduction reaction

2017 ◽  
Vol 5 (4) ◽  
pp. 1526-1532 ◽  
Author(s):  
Zhengping Zhang ◽  
Xinjin Gao ◽  
Meiling Dou ◽  
Jing Ji ◽  
Feng Wang
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Porous Carbon ◽  
Catalytic Performance ◽  
Reduction Reaction ◽  
Porous Carbons ◽  
Hierarchically Porous ◽  
Nitrogen Doped ◽  
Highly Effective ◽  
Excellent Catalytic Performance

Fe–Nxmoiety-modified nitrogen-doped hierarchically porous carbon, which is derived from porphyra, exhibits an excellent catalytic performance for oxygen reduction.

A phase-transition-assisted method for the rational synthesis of nitrogen-doped hierarchically porous carbon materials for the oxygen reduction reaction

2018 ◽  
Vol 6 (3) ◽  
pp. 878-883 ◽  
Author(s):  
Wei Li ◽  
Wei Ding ◽  
Jinxia Jiang ◽  
Qian He ◽  
Sicheng Tao ◽  
...  
Keyword(s):  
Phase Transition ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Porous Carbon ◽  
Carbon Materials ◽  
Reduction Reaction ◽  
Excellent Performance ◽  
Hierarchically Porous ◽  
Nitrogen Doped ◽  
Porous Carbon Materials

By a novel phase-transition-assisted strategy, the porosity of carbon materials can be fine tuned from the micrometer to the nanometer level, and the functionality of carbon surfaces can be better controlled to achieve an excellent performance for the catalysis of the oxygen reduction reaction.

Nitrogen-doped hierarchically porous carbon as efficient oxygen reduction electrocatalysts in acid electrolyte

2014 ◽  
Vol 2 (40) ◽  
pp. 17047-17057 ◽  
Author(s):  
Hexiang Zhong ◽  
Chengwei Deng ◽  
Yanling Qiu ◽  
Lan Yao ◽  
Huamin Zhang
Keyword(s):  
Catalytic Activity ◽  
Porous Structure ◽  
Oxygen Reduction ◽  
Porous Carbon ◽  
Acid Electrolyte ◽  
Hierarchically Porous ◽  
Nitrogen Doped ◽  
Hierarchically Porous Structure ◽  
Nitrogen Doped Carbon

Nitrogen-doped carbon electrocatalyst with hierarchically porous structure displays excellent catalytic activity. More prominently, the catalyst presents superior stability as well as tolerance of methanol and SO2 to the Pt/C catalysts in 0.5 M H2SO4.

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