Reduction of an electrochemistry-based Li-ion battery health degradation model via constraint linearization and Padé approximation

Joel C. Forman, Saeid Bashash, Jeffrey Stein, Hosam Kadry Fathy

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

This paper examines an electrochemistry-based model of health degradation via anode-side resistive film formation in Lithium-ion batteries. The paper makes this model more tractable and conducive to control design by making two main contributions to the literature. First, we adaptively solve the model's algebraic constraints using quasi-linearization. This improves the model's execution speed compared to solving the constraints via optimization. Second, we reduce the model's order by deriving a family of analytic Padé approximations to the model's spherical diffusion equations. The paper carefully compares these Padé approximations to other published methods for reducing spherical diffusion equations. Finally, the paper concludes with simulations of battery degradation that highlight the significant impact of the proposed model reduction approach on the battery model's overall accuracy and simulation speed.

Original languageEnglish (US)
Title of host publicationASME 2010 Dynamic Systems and Control Conference, DSCC2010
Pages173-183
Number of pages11
Volume2
DOIs
StatePublished - Dec 1 2010
EventASME 2010 Dynamic Systems and Control Conference, DSCC2010 - Cambridge, MA, United States
Duration: Sep 12 2010Sep 15 2010

Other

OtherASME 2010 Dynamic Systems and Control Conference, DSCC2010
CountryUnited States
CityCambridge, MA
Period9/12/109/15/10

Fingerprint

Electrochemistry
Linearization
Health
Degradation
Lithium-ion batteries
Anodes

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering

Cite this

Forman, J. C., Bashash, S., Stein, J., & Fathy, H. K. (2010). Reduction of an electrochemistry-based Li-ion battery health degradation model via constraint linearization and Padé approximation. In ASME 2010 Dynamic Systems and Control Conference, DSCC2010 (Vol. 2, pp. 173-183) https://doi.org/10.1115/DSCC2010-4084
Forman, Joel C. ; Bashash, Saeid ; Stein, Jeffrey ; Fathy, Hosam Kadry. / Reduction of an electrochemistry-based Li-ion battery health degradation model via constraint linearization and Padé approximation. ASME 2010 Dynamic Systems and Control Conference, DSCC2010. Vol. 2 2010. pp. 173-183
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Forman, JC, Bashash, S, Stein, J & Fathy, HK 2010, Reduction of an electrochemistry-based Li-ion battery health degradation model via constraint linearization and Padé approximation. in ASME 2010 Dynamic Systems and Control Conference, DSCC2010. vol. 2, pp. 173-183, ASME 2010 Dynamic Systems and Control Conference, DSCC2010, Cambridge, MA, United States, 9/12/10. https://doi.org/10.1115/DSCC2010-4084

Reduction of an electrochemistry-based Li-ion battery health degradation model via constraint linearization and Padé approximation. / Forman, Joel C.; Bashash, Saeid; Stein, Jeffrey; Fathy, Hosam Kadry.

ASME 2010 Dynamic Systems and Control Conference, DSCC2010. Vol. 2 2010. p. 173-183.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Forman JC, Bashash S, Stein J, Fathy HK. Reduction of an electrochemistry-based Li-ion battery health degradation model via constraint linearization and Padé approximation. In ASME 2010 Dynamic Systems and Control Conference, DSCC2010. Vol. 2. 2010. p. 173-183 https://doi.org/10.1115/DSCC2010-4084