Carbon nanobowls supported chemical functionalized PtRh nanocrystals: A highly active and methanol tolerant electrocatalyst towards oxygen reduction reaction

2021 ◽  
Author(s):  
Ze-Nong Zhang ◽  
Boqiang Miao ◽  
Wu Zhu-Qing ◽  
Pei Chen ◽  
Xue Xiao ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Direct Methanol Fuel Cells ◽  
Reduction Reaction ◽  
Highly Active ◽  
Direct Methanol ◽  
Methanol Tolerant ◽  
Methanol Fuel Cells

The cathodic oxygen reduction reaction (ORR) is a key half-reaction for the direct methanol fuel cells (DMFCs). Enhancing the electroactivity and selectivity of cathodic Pt-based ORR electrocatalysts is pivotal for...

High Performance and Cost-Effective Direct Methanol Fuel Cells: Fe-N-C Methanol-Tolerant Oxygen Reduction Reaction Catalysts

ChemSusChem ◽  
2016 ◽  
Vol 9 (15) ◽  
pp. 1986-1995 ◽  
Author(s):  
David Sebastián ◽  
Alexey Serov ◽  
Kateryna Artyushkova ◽  
Jonathan Gordon ◽  
Plamen Atanassov ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
High Performance ◽  
Direct Methanol Fuel Cells ◽  
Cost Effective ◽  
Reduction Reaction ◽  
Direct Methanol ◽  
Methanol Tolerant ◽  
Methanol Fuel Cells

scholarly journals Fe–Mn bimetallic oxides-catalyzed oxygen reduction reaction in alkaline direct methanol fuel cells

RSC Advances ◽  
2018 ◽  
Vol 8 (16) ◽  
pp. 8678-8687 ◽  
Author(s):  
Yuan Fang ◽  
Yonghui Wang ◽  
Fen Wang ◽  
Chengyong Shu ◽  
Jianfeng Zhu ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Synergistic Effect ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Direct Methanol Fuel Cells ◽  
Reduction Reaction ◽  
Direct Methanol ◽  
Methanol Fuel Cells ◽  
Bimetallic Oxides

Heterojunction interfaces and synergistic effect between Fe2O3 and Mn2O3 play a key role in Fe2O3/Mn2O3-catalyzed ORR.

A precious-metal-free Fe-intercalated carbon nitride porous-network with enhanced activity for the oxygen reduction reaction and methanol-tolerant oxygen reduction reaction

2020 ◽  
Vol 4 (10) ◽  
pp. 5050-5060 ◽  
Author(s):  
Ammar Bin Yousaf ◽  
John R. Monnier ◽  
John W. Weidner ◽  
Mohammad K. Hassan ◽  
Syed Javaid Zaidi ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Precious Metal ◽  
Carbon Nitride ◽  
Direct Methanol Fuel Cells ◽  
Reduction Reaction ◽  
Porous Network ◽  
Direct Methanol ◽  
Methanol Tolerant

The economical cost of the catalyst material has remained a challenging task in traditional fuel cells (FCs) and in direct methanol fuel cells (DMFCs).

scholarly journals Performance Improvement in Direct Methanol Fuel Cells by Using CaTiO3-δ Additive at the Cathode

Catalysts ◽  
2019 ◽  
Vol 9 (12) ◽  
pp. 1017 ◽  
Author(s):  
Lucia Mazzapioda ◽  
Carmelo Lo Vecchio ◽  
Antonino Salvatore Aricò ◽  
Maria Assunta Navarra ◽  
Vincenzo Baglio
Keyword(s):  
Fuel Cells ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Power Density ◽  
Direct Methanol Fuel Cells ◽  
Reduction Reaction ◽  
Operating Conditions ◽  
Membrane Electrode ◽  
Direct Methanol ◽  
Methanol Fuel Cells

A non-stoichiometric calcium titanate CaTiO3-δ (CTO) was synthesized and used as oxygen reduction reaction co-catalyst (together with Pt/C) in direct methanol fuel cells (DMFCs). A membrane-electrode assembly (MEA), equipped with a composite cathode formulation (Pt/C:CTO1:1), was investigated in DMFC, using a 2 M methanol solution at the anode and oxygen at the cathode, and compared with an MEA equipped with a benchmark Pt/C cathode catalyst. It appears that the presence of the CTO additive promotes the oxygen reduction reaction (ORR) due to the presence of oxygen vacancies as available active sites for oxygen adsorption in the lattice. The increase in power density obtained with the CTO-based electrode, compared with the benchmark Pt/C, was more than 40% at 90 °C, reaching a maximum power density close to 120 mW cm−2, which is one of the highest values reported in the literature under similar operating conditions.

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