Journal
JOURNAL OF POWER SOURCES
Volume 226, Issue -, Pages 191-201Publisher
ELSEVIER
DOI: 10.1016/j.jpowsour.2012.10.095
Keywords
Batteries; Supercapacitors; PRBS; Parameter estimation; Impedance spectroscopy
Funding
- Engineering and Physical Sciences Research Council [EP/H050221/1] Funding Source: researchfish
- EPSRC [EP/H050221/1] Funding Source: UKRI
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This paper examines the emerging technology of batteries incorporating carbon in the negative plate to affect a parallel capacitance within the battery itself. Using a frequency domain approach in conjunction with low frequency static tests and step responses an UltraBattery (TM) is examined. Initial examinations using the Randles' model lead to development of a modified model to better represent the battery parameters. These findings then expand the work to examine a similar conventional battery connected in a parallel network with a supercapacitor bank, allowing comparisons to be made and performance criteria to be established. (C) 2012 Elsevier B.V. All rights reserved.
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