Testing of lithium-ion 18650 cells and characterizing/predicting cell performance

The performance of lithium-ion cells, as determined from in-house testing, is primarily a function of cell design/materials, charge/discharge rate, ambient temperature, and the number of charge/discharge cycles. Testing of lithium-ion 18650 cells was performed in order to characterize their behavior...

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Bibliographic Details
Published in:Journal of power sources 1999-09, Vol.81, p.867-871
Main Authors: Fellner, J.P., Loeber, G.J., Sandhu, S.S.
Format: Article
Language:English
Subjects:
AC impedance spectroscopy
Applied sciences
Batteries
Direct energy conversion and energy accumulation
Electrical engineering. Electrical power engineering
Electrical power engineering
Electrochemical conversion: primary and secondary batteries, fuel cells
Exact sciences and technology
Interfacial resistance
Lithium-ion
Mathematical model
Rechargeable
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Summary:The performance of lithium-ion cells, as determined from in-house testing, is primarily a function of cell design/materials, charge/discharge rate, ambient temperature, and the number of charge/discharge cycles. Testing of lithium-ion 18650 cells was performed in order to characterize their behavior and to eventually predict the performance of lithium-ion cells of various sizes. AC impedance spectroscopy was used to determine the interfacial resistance of the lithium-ion cells as a function of temperature, state-of-charge, and cycle number. From these results, a nonisothermal mathematical model was developed and preliminary results are presented.
ISSN:0378-7753
1873-2755
DOI:10.1016/S0378-7753(98)00238-9