#6582. Understanding of the Role of Carbon Fiber Paper in Proton Exchange Membrane Fuel Cells

December 2026publication date
Proposal available till 05-06-2025
4 total number of authors per manuscript0 $

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Journal’s subject area:
Electrical and Electronic Engineering;
Energy Engineering and Power Technology;
Renewable Energy, Sustainability and the Environment;
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Abstract:
Carbon fiber paper (CFP) is currently the main product of the macroporous substrate (MPS) for the gas diffusion layer (GDL) of proton exchange membrane fuel cells (PEMFCs). The optimization of certain mechanical properties, electrical conductivity, thermal conductivity, air conduction, and mass transfer capabilities together with matched interaction can improve the core competitiveness of CFP. The artical conducts a detailed theoretical analysis of these conducting processes and principles based on CFPs main functions mentioned above. Thinner CFP with a wider pore channel brings about better mass permeability but unsatisfactory mechanical property. Thicker CFP with higher porosity and rougher surface results in worse electrical and thermal conductivity. Meanwhile, the temperature, pressure, time, and other fabrication parameters of CFP are also discussed. With so many contradictories, how to make a balance for real PEMFCs operation and reduce the cost would be a practical strategy for the optimization of CFP in the future.
Keywords:
carbon fiber paper; Electrothermal property; Fuel cells; Gas diffusion layer; Mass transfer management; Proton exchange membrane fuel cells; Thermal management

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