Phenylenediamine-Based FeNx/C Catalyst with High Activity for Oxygen Reduction in Acid Medium and Its Active-Site Probing

2014 ◽  
Vol 136 (31) ◽  
pp. 10882-10885 ◽  
Author(s):  
Qiang Wang ◽  
Zhi-You Zhou ◽  
Yu-Jiao Lai ◽  
Yong You ◽  
Jian-Guo Liu ◽  
...  
Keyword(s):  
Oxygen Reduction ◽  
High Activity ◽  
Acid Medium ◽  
Active Site

Structural and mechanistic basis for the high activity of Fe–N–C catalysts toward oxygen reduction

2016 ◽  
Vol 9 (7) ◽  
pp. 2418-2432 ◽  
Author(s):  
Jingkun Li ◽  
Shraboni Ghoshal ◽  
Wentao Liang ◽  
Moulay-Tahar Sougrati ◽  
Frédéric Jaouen ◽  
...  
Keyword(s):  
Redox Potential ◽  
Oxygen Reduction ◽  
High Activity ◽  
Active Site ◽  
Blocking Effect ◽  
Dynamic Nature ◽  
Mechanistic Basis ◽  
Site Blocking

The biomimetic dynamic nature of the Fe–N–C active site with a near-optimal Fe2+/3+redox potential facilitates ORR by balancing the site-blocking effect and O2dissociation.

A theoretical study of atomically dispersed MN4/C (M = Fe or Mn) as a high-activity catalyst for the oxygen reduction reaction

2020 ◽  
Vol 22 (48) ◽  
pp. 28297-28303
Author(s):  
Hao Xu ◽  
Dan Wang ◽  
Peixia Yang ◽  
Anmin Liu ◽  
Ruopeng Li ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
High Activity ◽  
Active Site ◽  
Theoretical Study ◽  
Reduction Reaction ◽  
Reaction Process ◽  
Activity Catalyst

MN4 is the ORR active site of MN4/C, which can promote the reaction process to proceed through a four-electron pathway.

Growth mechanism and active site probing of Fe3C@N-doped carbon nanotubes/C catalysts: guidance for building highly efficient oxygen reduction electrocatalysts

2015 ◽  
Vol 3 (43) ◽  
pp. 21451-21459 ◽  
Author(s):  
Jianbing Zhu ◽  
Meiling Xiao ◽  
Changpeng Liu ◽  
Junjie Ge ◽  
Jean St-Pierre ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Fuel Cells ◽  
Oxygen Reduction ◽  
High Activity ◽  
Growth Mechanism ◽  
Active Site ◽  
Reduction Reactions ◽  
Oxygen Reduction Reactions ◽  
Highly Efficient

Non-platinum (NP) electrocatalysts with high activity and durability for oxygen reduction reactions (ORR) are required for fuel cells and other renewable systems.

Active site engineering of atomically dispersed transition metal-heteroatom-carbon catalysts for oxygen reduction

2021 ◽  
Author(s):  
Jiawei Zhu ◽  
Shichun Mu
Keyword(s):  
Transition Metal ◽  
Oxygen Reduction ◽  
Active Site ◽  
Catalytic Reactions ◽  
Single Atom ◽  
Carbon Catalysts

Owing to the advantage of atomic utilization, the single-atom catalyst has attracted much attention and been employed in multifarious catalytic reactions. Their definite site configuration is favorable for exploring the...

Facile Metal Coordination of Active Site Imprinted Nitrogen Doped Carbons for the Conservative Preparation of Non-Noble Metal Oxygen Reduction Electrocatalysts

2017 ◽  
Vol 8 (9) ◽  
pp. 1701771 ◽  
Author(s):  
Asad Mehmood ◽  
Jonas Pampel ◽  
Ghulam Ali ◽  
Heung Yong Ha ◽  
Francisco Ruiz-Zepeda ◽  
...  
Keyword(s):  
Oxygen Reduction ◽  
Noble Metal ◽  
Active Site ◽  
Metal Coordination ◽  
Nitrogen Doped
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