comparative study of surface temperature behavior of commercial li-ion pouch cells of different chemistries and capacities by infrared thermography

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ID: 143172
2015
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Abstract
The non-uniform surface temperature distribution of a battery cell results from complex reactions inside the cell and makes efficient thermal management a challenging task. This experimental work attempts to determine the evolution of surface temperature distribution of three pouch type commercial cells: Nickel Manganese Cobalt oxide (NMC)-based 20 Ah cell, Lithium Iron Phosphate (LFP) 14 Ah, and Lithium Titanate Oxide (LTO) 5 Ah battery cell by using contact thermistor and infrared (IR) thermography. High current (up to 100 A) continuous charge/discharge and high current (80 A) micro pulse cycling profile were applied on the cells. It was found that thermistor based temperature profile varied cell to cell, especially the LTO cell. Among the investigated cells, the NMC cell shows highest temperature rise and the LTO cell the lowest rise. IR (Infrared) images revealed the spatial distribution of surface temperature, in particular the location of the hottest region varies depending not only on the geometrical and material properties of the cell, but also the type of loads applied on the cells. Finally, a modeling perspective of the cell temperature non-uniformity is also discussed.
Reference Key
goutam2015energiescomparative Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Shovon Goutam;Jean-Marc Timmermans;Noshin Omar;Peter Van den Bossche;Joeri Van Mierlo
Journal acs combinatorial science
Year 2015
DOI
10.3390/en8088175
URL
http://www.mdpi.com/1996-1073/8/8/8175
Keywords
spatial distribution infrared thermography nmc surface temperature lto

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