Effect of carbon nanotube-based catalyst layer surface roughness on polymer electrolyte membrane fuel cell performance

Phua, Yin Kan; Weerathunga, Don Terrence; Wu, Dan; Kim, Chaerin; Jayawickrama, Samindi Madhubha; Tanaka, Naoki; Fujigaya, Tsuyohiko

doi:10.1039/d2se00857b

Sustainable Energy Fuels

2022

DOI: 10.1039/d2se00857b

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Effect of carbon nanotube-based catalyst layer surface roughness on polymer electrolyte membrane fuel cell performance

Yin Kan Phua

Don Terrence Weerathunga

Dan Wu

et al.

Abstract: The effect of surface roughness of the catalyst layer (CL) based on carbon-nanotube (CNTs) in contact with polymer electrolyte membrane (PEM) in polymer electrolyte membrane fuel cell (PEMFC) was studied....

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Cited by 2 publications

References 66 publications

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Current Progress of Carbon Nanotubes Applied to Proton Exchange Membrane Fuel Cells: A Comprehensive Review

Kwon,

Park,

Park

et al. 2023

Int. J. of Precis. Eng. and Manuf.-Green Tech.

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Current Progress of Carbon Nanotubes Applied to Proton Exchange Membrane Fuel Cells: A Comprehensive Review

Kwon,

Park,

Park

et al. 2023

Int. J. of Precis. Eng. and Manuf.-Green Tech.

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Review—Graded Catalyst Layers in Hydrogen Fuel Cells - A Pathway to Application-Tailored Cells

Ayoub,

Böhm,

Bierling

et al. 2024

J. Electrochem. Soc.

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During steady-state operation, the proton conduction profile and the concentration profiles of the reactants and products transported through catalyst layers are non-uniform in the in-plane and through-plane directions. It is, therefore, a reasonable hypothesis that the optimal arrangement of the constituents of the catalyst layers should also be non-uniform. One way to address the non-uniformity is through graded catalyst layers. This study elucidates the state-of-the-art for graded catalyst layers, which so far were primarily investigated for proton exchange membrane fuel cells (PEMFCs). We identify the most impactful types of gradients in the PEMFC cathode and highlight studies displaying their merits in terms of better conversion efficiencies and longer lifetimes. Furthermore, two critical issues that have received little attention so far are emphasized: on the one hand, industrially relevant manufacturing techniques must be developed and implemented. On the other hand, suitable techniques are needed to identify and characterize the gradients. In this study, guidance to navigate both of these challenges is offered.

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Effect of carbon nanotube-based catalyst layer surface roughness on polymer electrolyte membrane fuel cell performance

Abstract: The effect of surface roughness of the catalyst layer (CL) based on carbon-nanotube (CNTs) in contact with polymer electrolyte membrane (PEM) in polymer electrolyte membrane fuel cell (PEMFC) was studied....

Cited by 2 publications

References 66 publications

Current Progress of Carbon Nanotubes Applied to Proton Exchange Membrane Fuel Cells: A Comprehensive Review

Current Progress of Carbon Nanotubes Applied to Proton Exchange Membrane Fuel Cells: A Comprehensive Review

Review—Graded Catalyst Layers in Hydrogen Fuel Cells - A Pathway to Application-Tailored Cells

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