NDLI: Mathematical model for a direct propane phosphoric acid fuel cell

Content Provider	Springer Nature Link
Author	Psofogiannakis, G. Bourgault, Y. Conway, B. E. Ternan, M.
Copyright Year	2005
Abstract	A mathematical model was developed and used to predict the performance of direct propane phosphoric acid (PPAFC) fuel cells, utilizing both Pt/C state-of the-art electrodes and older Pt black electrodes. It was found that the overpotential caused by surface processes on the platinum catalyst in the anode is much greater than the potential losses caused by either ohmic resistance or propane diffusion in gas-filled and liquid-filled pores. In one comparison, the anode overpotential (0.5 V) was larger than the cathode overpotential (0.3 V) at a current density of 0.4 A cm$^{−2}$ for Pt loadings 4 mg Pt cm$^{−2}$. The need for sufficient water concentration at the anode, where water is a reactant, was indicated by the large effect of H$_{3}$PO$_{4}$ concentration. In another comparison, the model predicted that at 0.2 A cm$^{−2}$, modern carbon supported Pt catalysts would produce 0.35 V compared to 0.1 V for unsupported Pt black catalysts that were used several decades ago, when the majority of the research on direct hydrocarbon fuel cells was performed. The propane anode and oxygen cathode catalyst layers were modeled as agglomerates of spherical catalyst particles having their interior spaces filled with liquid electrolyte and being surrounded by gas-filled pores. The Tafel equation was used to describe the electrochemical reactions. The model incorporated gas and liquid-phase diffusion equations for the reactants in the anode and cathode and ionic transport in the electrolyte. Experimental data were used for propane and oxygen diffusivities, and for their solubilities in the electrolyte. The accuracy of the predicted electrical potentials and polarization curves were normally within ±0.02 V of values reported in experimental investigations of temperature and electrolyte concentration. Polarization curves were predicted as a function of temperature, pressure, electrolyte concentration, and Pt loading. A performance of 0.45 V at 0.5 A cm$^{−2}$ was predicted at some conditions.
Starting Page	115
Ending Page	130
Page Count	16
File Format	PDF
ISSN	0021891X
Journal	Journal of Applied Electrochemistry
Volume Number	36
Issue Number	1
e-ISSN	15728838
Language	English
Publisher	Springer Netherlands
Publisher Date	2005-10-22
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	electrochemical oxidation fuel-cell hydrocarbon hydrocarbon oxidation modeling PAFC phosphoric acid propane Industrial Chemistry/Chemical Engineering Physical Chemistry Electrochemistry
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Chemical Engineering Electrochemistry

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Characterization of PTFE-bonded porous carbonelectrodes tested in a 100W phosphoric acid fuel cell(PAFC) stack using XPS and ICP–AES techniques

Electrooxidation of acetals for direct hydrocarbon fuel cell applications

Modelling of phosphoric acid fuel cell cathode behaviour

Electrochemical removal of arsenic from technical grade phosphoric acid

Electrode/matrix interfacial characteristics in a phosphoric acid fuel cell

Phosphoric acid doped polybenzimidazole membranes: Physiochemical characterization and fuel cell applications

Electrochemical promotion of the oxidation of propane on Pt/YSZ and Rh/YSZ catalyst-electrodes

Phosphomolybdic acid modified PtRu nanocatalysts for methanol electro-oxidation

Experimental results on the direct electrochemical oxidation of methanol in PEM fuel cells

Mathematical model for a direct propane phosphoric acid fuel cell

Similar Documents

Characterization of PTFE-bonded porous carbonelectrodes tested in a 100W phosphoric acid fuel cell(PAFC) stack using XPS and ICP–AES techniques

Electrooxidation of acetals for direct hydrocarbon fuel cell applications

Modelling of phosphoric acid fuel cell cathode behaviour

Electrochemical removal of arsenic from technical grade phosphoric acid

Electrode/matrix interfacial characteristics in a phosphoric acid fuel cell

Phosphoric acid doped polybenzimidazole membranes: Physiochemical characterization and fuel cell applications

Electrochemical promotion of the oxidation of propane on Pt/YSZ and Rh/YSZ catalyst-electrodes

Phosphomolybdic acid modified PtRu nanocatalysts for methanol electro-oxidation

Experimental results on the direct electrochemical oxidation of methanol in PEM fuel cells

Mathematical model for a direct propane phosphoric acid fuel cell