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<div class="section abstract"><div class="htmlview paragraph">In order to ensure the safety and improve the performance, the maximum operating temperature and local temperature difference of batteries must be maintained in an appropriate range. The effect of temperature on the capacity fade and aging are simply investigated. Lithium-ion power battery has gotten one of the principle power hotspots for electric vehicles and mixture electric vehicles due to prevalent execution contrasted and other force sources. In this paper, the displaying in CREO parametric programming and examination done in ANSYS. The model planned with various sort of warmth pipe shapes and breaks down the warmth pipe with various mass stream gulfs (30&amp; 50L/min). In this paper CFD examination to decide the weight, speed, heat move coefficient, mass stream rate and warmth move rate for the various structures of warmth pipe and diverse mass stream bays. In this theory the warm investigation to decide the temperature appropriation and warmth transition for two sorts of stage change materials (RT50 and Li Fe PO4). The consequences of the CFD investigation think about the warmth move pace of the three various types of the cooling framework structure Such as straight sort, box type and curve type heat pipes. By watching the CFD investigation results, the mass stream rate, heat move rate, heat move coefficient esteems are expanded by expanding the mass stream bays and warmth move rate more at box type heat pipes. By watching the warm examination results, the warmth transition esteem is more for lithium particle phosphate stage change material than RT50 stage change material at box type heat pipes.</div></div>