scholarly journals Recent Studies on Bimetallic Pt–M Catalyst for the Oxygen Reduction Reaction in Polymer Electrolyte Membrane Fuel Cells

2021 ◽  
Vol 59 (10) ◽  
pp. 741-752
Author(s):  
Yu-Jin Shim ◽  
Won Suk Jung
Keyword(s):  
Fuel Cell ◽  
Fossil Fuels ◽  
Polymer Electrolyte Membrane ◽  
Reduction Reaction ◽  
Synthetic Methods ◽  
Pt Catalyst ◽  
Electrolyte Membrane ◽  
Fuel Cell Catalysts ◽  
New Energy ◽  
Stable Performance

Due to environmental pollution and global warming, research on new energy sources that can replace fossil fuels is important. A fuel cell is an eco-friendly energy conversion system that discharges water, and uses hydrogen as fuel. Although platinum is a widely used catalyst in PEMFCs, it has commercial limitations because of its low stability and high cost. Pt-based bimetal catalysts are being studied to improve performance and reduce the cost of fuel cell catalysts. Pt-M is excellent in terms of performance, stability, and cost, avoiding the disadvantages of the Pt catalyst. Studies on various bimetallic catalysts have been conducted, and among them, studies on Pt-Ni, Pt-Co, and Pt-Fe have been the most active. This review summarizes reports of fuel cell catalysts using Pt-M from 2014 to 2020. In recent studies, in order to improve the Pt-M performance, there have been attempts to change the pretreatment, the type of support, and the composition of Pt and M. There have also been studies that have applied new synthetic methods, which are different from traditional synthetic methods. Many Pt-M catalysts have shown better performance than commercial Pt/C, and exhibited stable performance in durability tests.

scholarly journals Recent Studies on Bimetallic Pt–M Catalyst for the Oxygen Reduction Reaction in Polymer Electrolyte Membrane Fuel Cells

2021 ◽  
Vol 59 (10) ◽  
pp. 683-694
Author(s):  
Yu-Jin Shim ◽  
Won Suk Jung
Keyword(s):  
Fuel Cell ◽  
Fossil Fuels ◽  
Polymer Electrolyte Membrane ◽  
Reduction Reaction ◽  
Synthetic Methods ◽  
Pt Catalyst ◽  
Electrolyte Membrane ◽  
Fuel Cell Catalysts ◽  
New Energy ◽  
Stable Performance

Due to environmental pollution and global warming, research on new energy sources that can replace fossil fuels is important. A fuel cell is an eco-friendly energy conversion system that discharges water, and uses hydrogen as fuel. Although platinum is a widely used catalyst in PEMFCs, it has commercial limitations because of its low stability and high cost. Pt-based bimetal catalysts are being studied to improve performance and reduce the cost of fuel cell catalysts. Pt-M is excellent in terms of performance, stability, and cost, avoiding the disadvantages of the Pt catalyst. Studies on various bimetallic catalysts have been conducted, and among them, studies on Pt-Ni, Pt-Co, and Pt-Fe have been the most active. This review summarizes reports of fuel cell catalysts using Pt-M from 2014 to 2020. In recent studies, in order to improve the Pt-M performance, there have been attempts to change the pretreatment, the type of support, and the composition of Pt and M. There have also been studies that have applied new synthetic methods, which are different from traditional synthetic methods. Many Pt-M catalysts have shown better performance than commercial Pt/C, and exhibited stable performance in durability tests.

scholarly journals Highly durable Pt-free fuel cell catalysts prepared by multi-step pyrolysis of Fe phthalocyanine and phenolic resin

2014 ◽  
Vol 4 (5) ◽  
pp. 1400-1406 ◽  
Author(s):  
Yuta Nabae ◽  
Mayu Sonoda ◽  
Chiharu Yamauchi ◽  
Yo Hosaka ◽  
Ayano Isoda ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Fuel Cell ◽  
Polymer Electrolyte ◽  
Phenolic Resin ◽  
Polymer Electrolyte Membrane ◽  
Cell Performance ◽  
Cathode Catalyst ◽  
Fuel Cell Performance ◽  
Electrolyte Membrane ◽  
Fuel Cell Catalysts

A Pt-free cathode catalyst for polymer electrolyte membrane fuel cells has been developed by multi-step pyrolysis of Fe phthalocyanine and phenolic resin and shows a quite promising fuel cell performance.

scholarly journals On the Influence of Composition and Structure of Carbon-Supported Pt-SnO2 Hetero-Clusters onto Their Electrocatalytic Activity and Durability in PEMFC

Catalysts ◽  
2019 ◽  
Vol 9 (10) ◽  
pp. 803 ◽  
Author(s):  
Spasov ◽  
Ivanova ◽  
Pushkarev ◽  
Pushkareva ◽  
Presnyakova ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Photoelectron Spectroscopy ◽  
Layer Structure ◽  
Polymer Electrolyte Membrane ◽  
Carbon Support ◽  
Reduction Reaction ◽  
Support Surface ◽  
Catalytic Layer ◽  
X Ray ◽  
Electrolyte Membrane

A detailed study of the structure, morphology and electrochemical properties of Pt/C and Pt/x-SnO2/C catalysts synthesized using a polyol method has been provided. A series of catalysts supported on the SnO2-modified carbon was synthesized and studied by various methods including transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), electrochemical methods, and fuel cell testing. The SnO2 content varies from 5 to 40 wt %. The TEM images, XRD and XPS analysis suggested the Pt-SnO2 hetero-clusters formation. The SnO2 content of ca. 10% ensures an optimal catalytic layer structure and morphology providing uniform distribution of Pt-SnO2 clusters over the carbon support surface. Pt/10wt %-SnO2/C catalyst demonstrates increased activity and durability toward the oxygen reduction reaction (ORR) in course of accelerated stress testing due to the high stability of SnO2 and its interaction with Pt. The polymer electrolyte membrane fuel cell current–voltage performance of the Pt/10wt %-SnO2/C is comparable with those of Pt/C, however, higher durability is expected.

Dendrimer confined Pt nanoparticles: electro-catalytic activity towards the oxygen reduction reaction and its application in polymer electrolyte membrane fuel cells

RSC Advances ◽  
2015 ◽  
Vol 5 (92) ◽  
pp. 75218-75228 ◽  
Author(s):  
A. Arunchander ◽  
S. Gouse Peera ◽  
V. Parthiban ◽  
Srinu Akula ◽  
Tintula Kottakkat ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Fuel Cell ◽  
Oxygen Reduction Reaction ◽  
Polymer Electrolyte Membrane ◽  
Pt Nanoparticles ◽  
Reduction Reaction ◽  
Electrolyte Membrane ◽  
Fuel Cell Cathodes ◽  
Cell Cathodes ◽  
Electro Catalytic Activity

Pt-DENs have been synthesized and immobilized on ester and anhydride functionalized Vulcan XC-72R. These catalysts are utilized as fuel cell cathodes and significant enhanced performances have been achieved with the Pt loading of 0.2 mg cm−2.

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