| 标题 |
 Low-temperature thermal management of power batteries via composite thermal retention of phase change material-aerogel |
| 网址 | |
| DOI | |
| 其它 | The lack of passive thermal retention technologies for power batteries in electric vehicles during low-temperature parking leads to rapid temperature drop, frequent actuation of preheating systems, increased energy consumption, delayed startup, and shortened service life of thermal management components, severely restricting low-temperature adaptability. This work proposes a composite thermal insulation board consisting of tetradecane-based composite phase change material (CPCM) and aerogel, integrated inside the battery module casing to form a passive heat storage-insulation system. The results show that the CPCM modified with 4 wt% expanded graphite exhibits stable phase change behavior, low supercooling, a thermal conductivity of 0.65 W·m−1·K−1, and a mass retention rate of 98.91% after heat-treatment without leakage. The thermal retention system |
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(2025-6-4)
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