NDLI: Constraint management in Li-ion batteries: A modified reference governor approach

Content Provider	IEEE Xplore Digital Library
Author	Moura, S.J. Chaturvedi, N.A. Krstic, M.
Copyright Year	2013
Description	Author affiliation: Res. & Technol. Center, Robert Bosch LLC, Palo Alto, CA, USA (Chaturvedi, N.A.) \|\| Dept. of Mech. & Aerosp. Eng., Univ. of California, San Diego, La Jolla, CA, USA (Moura, S.J.; Krstic, M.)
Abstract	This paper addresses the problem of satisfying state constraints in Li-ion batteries, to maintain safe operation and prolong battery life. Mathematically, these constraints are formulated from a first principles electrochemical model. Consequently, the constraints explicitly model specific degradation mechanisms, such as lithium plating, lithium depletion, overheating, and stress fracture. The critical challenges, however, are that (i) these states evolve according to a system of nonlinear partial differential equations, and (ii) the states are not physically measurable. This paper focuses on the first challenge by utilizing the reference governor concept. The results demonstrate how electrochemical model state information can be utilized to ensure safe operation, while providing opportunities to enhance energy capacity, power, and charge times in Li-ion batteries.
Starting Page	5332
Ending Page	5337
File Size	943345
Page Count	6
File Format	PDF
ISBN	9781479901777
ISSN	07431619
e-ISBN	9781479901784
DOI	10.1109/ACC.2013.6580670
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-17
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	American Automatic Control Council(AACC)
Subject Keyword	Mathematical model Batteries Lithium Equations Solids Computational modeling System-on-chip
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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