Journal
JOURNAL OF POWER SOURCES
Volume 359, Issue -, Pages 592-600Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2017.05.045
Keywords
Thermal conductivity measurements; Temperature profile; Thermal modelling; Li-ion battery
Funding
- Research Council of Norway [228739]
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In this paper we report the thermal conductivity for commercial battery components. Materials were obtained from several electrode- and separator manufacturers, and some were extracted from commercial batteries. We measured with and without electrolyte solvent and at different compaction pressures. The experimentally obtained values are used in a thermal model and corresponding internal temperature profiles are shown. The thermal conductivity of dry separator materials was found to range from 0.07 +/- 0.01 to 0.18 +/- 0.02 WK(-1)m - 1. Dry electrode (active) materials ranged from 0.13 +/- 0.02 to 0.61 +/- 0.02 WK(-1)m(-1). Adding the electrolyte solvent increased the thermal conductivity of electrode (active) materials by at least a factor of 2. (C) 2017 Elsevier B.V. All rights reserved.
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