NDLI: Neutron imaging of lithium concentration in battery pouch cells

Content Provider	IEEE Xplore Digital Library
Author	Siegel, J.B. Xinfan Lin Stefanopoulou, A.G. Gorsich, D.
Copyright Year	2011
Description	Author affiliation: Dept. of Electr. & Comput. Sci., Univ. of Michigan, Ann Arbor, MI, USA (Siegel, J.B.) \|\| Tank Automotive Res, Dev & Engr Center (TARDEC), U.S. Army, Warren, MI, USA (Gorsich, D.) \|\| Dept. of Mech. Eng., Univ. of Michigan, Ann Arbor, MI, USA (Xinfan Lin; Stefanopoulou, A.G.)
Abstract	This paper shows how the principle of neutron radiography can be used to quantify the critical physical state of lithium concentration across battery electrodes at steady-state conditions (after a long relaxation time or small load) as a first step in this important effort to measure in-situ battery physical states and validate electrochemical battery models. A model of the expected loss in beam intensity after passing through the different layers of a battery pouch cell is constructed based on the material densities and dimensions. This model is augmented with simulation of the neutron transmission behavior, including optical effects due to the geometric unsharpness and the detector response. The resulting model provides the basis for a comprehensive simulation of the in-situ metrology of lithium concentration in Li-ion batteries, and comparison with experimental results. This work was also presented as a poster at the 27th Annual Army Science Conference [1].
Sponsorship	Control Syst. Soc.
Starting Page	376
Ending Page	381
File Size	745177
Page Count	6
File Format	PDF
ISBN	9781457700804
ISSN	07431619
e-ISBN	9781457700811
DOI	10.1109/ACC.2011.5990883
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	American Automatic Control Council(AACC)
Subject Keyword	Batteries Neutrons Lithium Electrodes Materials Optical imaging
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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