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TitleComputer simulation of the influence of thermal conditions on the performance of conventional and unconventional lithium-ion battery geometries
Author(s)Miranda, D.
Costa, C. M.
Almeida, A. M.
Lanceros-Méndez, S.
KeywordsLithium-ion batteries
Battery geometry
Thermal conditions
Computer simulations
Issue date2018
Abstract(s)Thermal analysis is a fundamental issue for the proper evaluation of the performance of lithium ion batteries. Thus, this work reports on the theoretical simulation of the effect of different thermal conditions on the performance of batteries with conventional and non-conventional geometries.The investigated geometries include conventional geometries (layer by layer), interdigitated, horse-shoe, spiral, ring, antenna and gear that can be fabricated by printed technologies for flexible/wearable electronic device applications. The thermal conditions are isothermal, adiabatic and environmental conditions and the computational simulations are based on the electrochemical (Newman/Doyle/Fuller) model.Generally, the best battery performance is obtained for interdigitated and gear geometries, regardless of thermal conditions. The dissipated ohmic heat is mainly influenced by the maximum distance that the ions move until their intercalation and the thickness of the separator. The present work allows the proper design of the batteries in order to optimize performance for specific applications.
AccessEmbargoed access (2 Years)
Appears in Collections:CDF - FCD - Artigos/Papers (with refereeing)

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