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NETL Electrical Conductivity Relaxation(ECR) Analysis Tool

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This application was developed within the solid oxide fuel cell (SOFC) work plan. It calculates the oxygen surface exchange coefficient (k) and oxygen diffusion coefficient (D) for an oxide sample using electrical conductivity relaxation (ECR) data. The tool also produces a heat map showing the associated uncertainty in fitting the ECR data for given pairs of k and D values, so the user can determine the most likely range of k and D values for the tested values. Multiple datasets for the same material can be plotted to decrease uncertainty. The tool can also simulate ECR curves for inputted k and D values and overlay the simulated curves with experimental data for comparison.

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OSTI Info

Field Value
Sponsor Organization USDOE Office of Fossil Energy (FE)
Contact Organization National Energy Technology Laboratory
DOE Contract Number FWP-1022411
DOI Number 10.18141/1762415

Additional Info

Field Value
Last Updated January 27, 2021, 19:22 (LMT)
Created January 26, 2021, 04:09 (LMT)
Citation Title: Enhanced accuracy of electrochemical kinetic parameters determined by electrical conductivity relaxation Authors: Beom Tak Na, Tao Tang, Jian Liu, Shiwoo Lee, Harry Abernathy, Thomas Kalapos, Gregory Hackett Manuscript submitted and accepted by the journal Solid State Ionics in 2021, DOI: 10.18141/1762415
Netl Product yes
Poc Email Steven.Richardson@netl.doe.gov
Point Of Contact Steven Richardson
Program Or Project SOFC FWP
Project Number FWP-1022411