Abstract
An experimental study is performed to illustrate the effect of the melting temperature of graphite matrix composite with phase change materials on the performance characteristics of a small-scale li-ion package (3s2p) under dynamic/square wave load. Paraffin (RT35 and RT42) is used as a PCM. Graphite matrix is manufactured with 75 g l-1 bulk density. The battery package is performed for three different configurations: free-air cooling case (reference case), and graphite matrix composites with RT35 and RT42. The experimental outputs present that graphite matrix composite has considerable potential for thermal management of the Li-ion pack. Safe operating time, discharge and energy capacity values are increased by 140%, 141% and 102% with the graphite composite with RT35 in the comparison reference case, respectively. It is observed that the melting temperature of PCM of graphite composite is of critical importance to the performance of the battery pack. For the graphite composite with RT35, operating time, discharge capacity and energy capacity values are enhanced by 6.2 %, 7 % and 10 % compared to the RT42 case, respectively.
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