Modeling of Conductive Transport in Proton-Exchange Membranes for Fuel Cells
Open accessAbstract
An adequate understanding of the conductivity of polyperfluorosulfonic acid (PFSA) membranes as a function of water content, or relative humidity, and temperature is necessary for an analysis of the functioning of proton‐exchange membrane (PEM) fuel cells. Although much work has been done toward elucidating the microstructure and conduction mechanism in PFSA, a satisfactory theoretical model with a minimum of fitted parameters is not yet available. Such a model is developed here for the conduction of protons in hydrated Nafion® or like membranes based on the dusty‐fluid model for transport and the percolation model for structural aspects. Further, thermodynamics of dissociation of the acid groups in the presence of polar solvents such as water is included. The sorption of solvent from vapor is modeled using a finite‐layer Brunauer‐Emmett‐Teller (BET) model. With the only fitted parameters employed being the BET constants, determined independently, and the ratio of diffusion coefficients representing the interaction of the protonated solvent molecules with solvent and that with the membrane, the model provides excellent correlation with a variety of experimental data. © 2000 The Electrochemical Society. All rights reserved.
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GDLs at both sides need to possess a suitable pore size distribution, porosity, and pore structure to allow the liquid water in the CL to enter the GDL.
“GDLs at both sides need to possess a suitable pore size distribution, porosity, and pore structure to allow the liquid water in the CL to enter the GDL [123].”
From Recent Advances on PEM Fuel Cells: From Key Materials to Membrane Electrode Assembly (2023) · cites this paper as [123]
Nafion 1100 is a standard material with MEW approximately 1.100 kg mol−1 and dry density approximately 2050 kg m−3.
“Nafion 1100 is a standard material with MEW ≈ 1.100 kg mol−1 and ρdry ≈ 2050 kg m−3 [1,30].”
From Modelling the Proton-Conductive Membrane in Practical Polymer Electrolyte Membrane Fuel Cell (PEMFC) Simulation: A Review (2020) · cites this paper as [30]
The Djilali group criticised features of the dusty fluid model combining hydraulic and diffusive transport, as developed by Thampan et al., as being physically unreasonable for the PEMFC context.
“The works of the Djilali group have criticised features of the “dusty fluid” model combining hydraulic and diffusive transport, as developed by Thampan et al. [30], as being physically unreasonable for the PEMFC context [77,82].”
From Modelling the Proton-Conductive Membrane in Practical Polymer Electrolyte Membrane Fuel Cell (PEMFC) Simulation: A Review (2020) · cites this paper as [30]
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References 8 · Cited by 267
- Authors
- Thampan, T., Malhotra, S., Tang, H., & Datta, R.
- Affiliations
- Worcester Polytechnic Institute (US)
- ORCID
- Datta, Ravindra
- Venue
- Journal of The Electrochemical Society
- Publisher
- The Electrochemical Society
- Published
- 2000
- Volume
- 147
- Issue
- 9
- Pages
- 3242
- ISSN
- 0013-4651 (ISSN-L)
- OpenAlex
- W2078453988
- Cited by
- 267
- References
- 8
- Citations by year
- 2026: 5 · 2025: 5 · 2024: 6 · 2023: 7 · 2022: 8 · 2021: 6 · 2020: 7 · 2019: 5 · 2018: 8 · 2017: 7 · 2016: 7 · 2015: 10 · 2014: 5 · 2013: 8 · 2012: 15
- FWCI
- 6.05
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Journal of The Electrochemical Society (publishedVersion)
- Digital WPI (submittedVersion)
- Funders
- Worcester Polytechnic Institute
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Fuel Cells and Related Materials
- Physical Sciences › Materials Science › Materials Chemistry › Advancements in Solid Oxide Fuel Cells
- Physical Sciences › Engineering › Biomedical Engineering › Membrane-based Ion Separation Techniques
- Keywords
- proton exchange membranes, proton conductivity, Nafion, proton exchange membrane fuel cells, percolation model, water sorption, relative humidity, temperature dependence, proton diffusion
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