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Accession Number ADA581743
Title Predicting Carbonate Species Ionic Conductivity in Alkaline Anion Exchange Membranes.
Publication Date Jun 2012
Media Count 6p
Personal Author A. A. Peracchio A. M. Kiss G. J. Nelson K. N. Grew T. D. Myles
Abstract Advances in membrane synthesis techniques have produced polymer electrolyte membranes that are capable of transporting anions in alkaline membrane fuel cells (AMFCs). These anion exchange membranes (AEMs) are being considered for use in portable power applications. One of the challenges with AEMs is the presence of carbonate and bicarbonate, which can replace hydroxide ions in the membrane, reducing the ionic conductivity. An experimental water permeation technique that has been developed by our lab is used to predict hydroxide ionic conductivity in AEMs. Using this method, the ionic conductivity of the membrane can be predicted for AEMs with carbonate and bicarbonate species present. Predicted results are validated using values for AEM ionic conductivity previously reported in the literature.
Keywords Aem(Anion exchange membranes)
Amfc(Alkaline membrane fuel cells )
Anions
Carbonate ions
Carbonates
Conductivity
Electrolytes
Fuel cells
Hydration
Ion exchange
Ionic conductivity
Membranes
Metals
Numerical methods and procedures
Polymers


 
Source Agency Non Paid ADAS
NTIS Subject Category 99D - Basic & Synthetic Chemistry
99F - Physical & Theoretical Chemistry
97M - Batteries & Components
Corporate Author Army Research Lab., Adelphi, MD. Sensors and Electron Devices Directorate.
Document Type Technical report
Title Note Conference paper.
NTIS Issue Number 1325
Contract Number W911NF-12-1-0148

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