Composition and Manufacturing Effects on Electrical Conductivity of Li/FeS 2 Thermal Battery Cathodes
Abstract
The electrical conductivity is key to the performance of thermal battery cathodes. In this work we present the effects of manufacturing and processing conditions on the electrical conductivity of Li/FeS2 thermal battery cathodes. Finite element simulations were used to compute the conductivity of three-dimensional microcomputed tomography cathode microstructures and compare results to experimental impedance spectroscopy measurements. A regression analysis reveals a predictive relationship between composition, processing conditions, and electrical conductivity; a trend which is largely erased after thermally-induced deformation. Moreover, the trend applies to both experimental and simulation results, although is not as apparent in simulations. This research is a step toward a more fundamental understanding of the effects of processing and composition on thermal battery component microstructure, properties, and performance.
- Authors:
-
[2];
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Univ. of New Mexico, Albuquerque, NM (United States)
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Publication Date:
- Research Org.:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1257804
- Report Number(s):
- SAND2016-2364J
Journal ID: ISSN 0013-4651; 622005
- Grant/Contract Number:
- AC04-94AL85000
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of the Electrochemical Society
- Additional Journal Information:
- Journal Volume: 163; Journal Issue: 8; Journal ID: ISSN 0013-4651
- Publisher:
- The Electrochemical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 25 ENERGY STORAGE; cathodes; electrical conductivity; FeS2; finite element method; mesoscale simulations; micro
Citation Formats
Reinholz, Emilee L., Roberts, Scott A., Apblett, Christopher A., Lechman, Jeremy B., and Schunk, P. Randall. Composition and Manufacturing Effects on Electrical Conductivity of Li/FeS 2 Thermal Battery Cathodes. United States: N. p., 2016.
Web. doi:10.1149/2.1191608jes.
Reinholz, Emilee L., Roberts, Scott A., Apblett, Christopher A., Lechman, Jeremy B., & Schunk, P. Randall. Composition and Manufacturing Effects on Electrical Conductivity of Li/FeS 2 Thermal Battery Cathodes. United States. https://doi.org/10.1149/2.1191608jes
Reinholz, Emilee L., Roberts, Scott A., Apblett, Christopher A., Lechman, Jeremy B., and Schunk, P. Randall. Sat .
"Composition and Manufacturing Effects on Electrical Conductivity of Li/FeS 2 Thermal Battery Cathodes". United States. https://doi.org/10.1149/2.1191608jes. https://www.osti.gov/servlets/purl/1257804.
@article{osti_1257804,
title = {Composition and Manufacturing Effects on Electrical Conductivity of Li/FeS 2 Thermal Battery Cathodes},
author = {Reinholz, Emilee L. and Roberts, Scott A. and Apblett, Christopher A. and Lechman, Jeremy B. and Schunk, P. Randall},
abstractNote = {The electrical conductivity is key to the performance of thermal battery cathodes. In this work we present the effects of manufacturing and processing conditions on the electrical conductivity of Li/FeS2 thermal battery cathodes. Finite element simulations were used to compute the conductivity of three-dimensional microcomputed tomography cathode microstructures and compare results to experimental impedance spectroscopy measurements. A regression analysis reveals a predictive relationship between composition, processing conditions, and electrical conductivity; a trend which is largely erased after thermally-induced deformation. Moreover, the trend applies to both experimental and simulation results, although is not as apparent in simulations. This research is a step toward a more fundamental understanding of the effects of processing and composition on thermal battery component microstructure, properties, and performance.},
doi = {10.1149/2.1191608jes},
journal = {Journal of the Electrochemical Society},
number = 8,
volume = 163,
place = {United States},
year = {Sat Jun 11 00:00:00 EDT 2016},
month = {Sat Jun 11 00:00:00 EDT 2016}
}
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Works referencing / citing this record:
Progress in 3D electrode microstructure modelling for fuel cells and batteries: transport and electrochemical performance
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