Journal
JOURNAL OF POWER SOURCES
Volume 157, Issue 1, Pages 630-640Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2005.07.072
Keywords
ultra capacitors; thermal modeling; thermal resistance; temperature; heat sources
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Ultra capacitors are major components used as power sources offering a combination of high power and high energy. Thermal management of ultra capacitors is one of the main issues for the design of safe powerful systems. This paper presents multi-level electrothermal modeling that can be used to design ultra capacitor structures meeting reliability requirements of power applications. The multi-level modeling is based on both numerical and analytical approaches enabling us to take into account different scales through finite element method computations, shell network models, homogenization methods and ultra-reduced-order model. Basic understanding of electrothermal behavior is performed. Influence of cell characteristics and cooling conditions are studied. (c) 2005 Elsevier B.V All rights reserved.
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