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A high heat load and an unbalanced flow in parallel liquid cooling systems can cause variations in the temperature of every cell throughout the entire battery pack, shortening the battery pack’s lifespan.
For a 288V Ni-MH battery pack, a parallel-series combined liquid cooling system was constructed in this work, and numerous factors that affect the system’s flow balance through heat transfer and fluid dynamics were determined.
The results of the thermal-fluid simulation were then verified by conducting battery pack temperature experiments on a bench and in a car, using the StarCCM+ software. The findings show that the temperature and temperature differential within the cell may be maintained within a desirable range.
Global EV high performance polymer cooling system market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
The Technyl Blue line from Solvay Performance Polyamides, which the company touts as the industry standard for thermal management, has been expanded to include new grades created especially for electric vehicles (EVs/HEVs).
These new materials, which are based on polyamide (PA) 66 and 610 polymer technology, target both injection moulding for cooling circuit and air-conditioning system parts as well as the newly developed extrusion range.
When compared to other polymers like long-chain polyamides, particularly PA12, and metals like aluminium, the Technyl Blue series for extrusion offers an appealing cost/performance ratio. The air conditioning and cooling lines for eV/HeV battery and engine systems are perfect for this extrusion range.
Comparing the new Technyl Blue D 218CR V50 grade for injection moulding to specialised polymers like polyphthalamide (PPA) and polyphenylene sulphide results in a total cost decrease (PPS).
For applications such as thermostat housings and water pumps, it offers high mechanical strength, design flexibility, excellent surface aspect, and ease of processing. Additionally important characteristics of the grades are dimensional stability at high temperatures and coolant and salt resistance.
