Thermal management for high power lithium-ion battery by minichannel aluminum tubes

Abstract

Lithium-ion batteries are widely used for battery electric (all-electric) vehicles (BEV) and hybrid electric vehicles (HEV) due to their high energy and power density. Battery thermal management system (BTMS) is crucial for the performance, lifetime, and safety of lithium-ion batteries. In this paper, a novel design of BTMS based on aluminum minichannel tubes is developed and applied on a single prismatic Li-ion cell under different discharge rates. Parametric studies are conducted to investigate the performance of the BTMS using different flow rates and configurations. With minichannel cooling, the maximum cell temperature at 1C discharge rate is less than 27.8 °C and temperature difference across the cell is less than 0.80 °C using flow rate at 0.20 L/min, at the expense of 8.69e-6 W pumping power. At higher discharge rates, e.g., 1.5C and 2C, higher flow rates are required to maintain the same temperature rise and temperature difference. The flow rate needed is 0.8 L/min for 1.5C and 2.0 L/min for 2C, while the required pumping power is 4.23e-4 W and 5.27e-3 W, respectively. The uniform temperature distribution (< 1 °C) inside the single cell and efficient pumping power demonstrates that the minichannel cooling system provides a promising solution for the BTMS.

Liquid cooling based on thermal silica plate for battery thermal management system

“…Jin et al developed a thermal management system for power batteries that used an oblique mini‐channel liquid cold plate to enhance heat transfer coefficient. Lan and Xu designed a solution using aluminum mini‐channel tubes for high‐power Li‐ion battery thermal management; simulations showed that the system was capable to control the temperature difference within the battery less than 1°C. Despite of the extensive research, an urgent need remains for developing safe, high‐efficient, and cost‐effective thermal management systems.…”

Multi‐fault synergistic diagnosis of battery systems based on the modified multi‐scale entropy

“…19 A battery thermal management system (BTMS) is needed since extreme temperature can significantly affect safety and durability of EVs. For mitigating these potential hazards, Xu et al 22 and Lan et al 23 developed a novel BTMS based on aluminum mini-channel tubes and applied it to a single prismatic Li-ion battery under different discharge rates. For mitigating these potential hazards, Xu et al 22 and Lan et al 23 developed a novel BTMS based on aluminum mini-channel tubes and applied it to a single prismatic Li-ion battery under different discharge rates.…”

Experimental study on a novel battery thermal management technology based on low density polyethylene-enhanced composite phase change materials coupled with low fins

“…Despite the fact that forced air cooling, liquid cooling and heat pipe cooling systems in a battery module present effective performance of temperature control and uniformity, the design of the structure in the system is relatively complex [8,9], especially for liquid cooling due to the risk of refrigerant leakage [10,12]. Moreover, additional components of active energy supply such as pumps and fans, which increase energy consumption, are required for air cooling and liquid cooling [26,27]. Thus, passive cooling technology represented by PCM cooling has been considered as the most potential alternative of the above traditional BTM system [28][29][30][31][32].…”