Co(ii)-porphyrin-decorated carbon nanotubes as catalysts for oxygen reduction reactions: an approach for fuel cell improvement

2017 ◽  
Vol 5 (13) ◽  
pp. 6263-6276 ◽  
Author(s):  
Piyush Kumar Sonkar ◽  
Kamal Prakash ◽  
Mamta Yadav ◽  
Vellaichamy Ganesan ◽  
Muniappan Sankar ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Fuel Cells ◽  
Fuel Cell ◽  
Oxygen Reduction ◽  
Multiwalled Carbon Nanotubes ◽  
New Materials ◽  
Multiwalled Carbon ◽  
Reduction Reactions ◽  
Oxygen Reduction Reactions ◽  
Cobalt Porphyrin

Functionalized cobalt porphyrin immobilized multiwalled carbon nanotubes are synthesized and characterized. These new materials efficiently electrocatalyze oxygen reduction and they have potential to replace conventional Pt–C catalyst in fuel cells.

Sustainable seaweed-based one-dimensional (1D) nanofibers as high-performance electrocatalysts for fuel cells

2015 ◽  
Vol 3 (27) ◽  
pp. 14188-14194 ◽  
Author(s):  
Wei Zhao ◽  
Pei Yuan ◽  
Xilin She ◽  
Yanzhi Xia ◽  
Sridhar Komarneni ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Fuel Cells ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Multiwalled Carbon Nanotubes ◽  
High Performance ◽  
Reduction Reaction ◽  
Multiwalled Carbon ◽  
One Dimensional

A high-performance one-dimensional (1D) nanofibrillar N–Co–C oxygen reduction reaction (ORR) catalyst was fabricated via electrospinning using renewable natural alginate and multiwalled carbon nanotubes (MWCNTs) as precursors.

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.

Polymer Electrolyte Fuel Cells Employing Heteropolyacids as Redox Mediators for Oxygen Reduction Reactions: Pt-Free Cathode Systems

2016 ◽  
Vol 8 (28) ◽  
pp. 18119-18125 ◽  
Author(s):  
Toshiaki Matsui ◽  
Eri Morikawa ◽  
Shintaro Nakada ◽  
Takeou Okanishi ◽  
Hiroki Muroyama ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Oxygen Reduction ◽  
Polymer Electrolyte ◽  
Polymer Electrolyte Fuel Cells ◽  
Redox Mediators ◽  
Reduction Reactions ◽  
Oxygen Reduction Reactions
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