Journal
APPLIED ENERGY
Volume 165, Issue -, Pages 318-328Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.apenergy.2015.12.068
Keywords
Computer simulation; Lithium-ion battery; Geometrical factors; Discharge capacity
Categories
Funding
- FEDER funds through the Programa Operational Factores de Competitividade - COMPETE
- national funds from FCT - Fundacao para a Ciencia e a Tecnologia [PEST-C/FIS/UI607/2014]
- FCT [SFRH/BPD/112547/2015]
- Basque Government Industry Department under the ELKARTEK Program
- Diputacion de Bizkaia under the Bizkaia Talent program
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In order to optimize battery performance, different geometries have been evaluated taking into account their suitability for different applications. These different geometries include conventional, interdigitated batteries and unconventional geometries such as horseshoe, spiral, ring, antenna and gear batteries. The geometry optimization was performed by the finite element method, applying the Doyle/Fuller/Newman model. At 330 degrees C, the capacity values for conventional, ring, spiral, horseshoe, gear and interdigitated geometries are 0.58 A h m(-2), 149 A h m(-2), 182 A h m(-2), 216 A h m(-2), 289 A h m(-2) and 318 A h m(-2), respectively. The delivered capacity depends on geometrical parameters such as maximum distance for the ions to move to the current collector, d_max, distance between of current collectors, d_cc, as well as the thickness of separator and electrodes, allowing to tailor battery performance and geometry for specific applications. (C) 2015 Elsevier Ltd. All rights reserved.
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