By reviewing the cooling technologies of power batteries for new energy vehicles, including air cooling technology, liquid cooling technology, disguised material cooling, heat pipe cooling technology and refrigerant direct cooling cooling, the advantages, disadvantages and applications of various technologies are analyzed, and the research status of power battery cooling technology is summarized and its development trend is prospected. In the future, the cooling technology of power batteries for new energy vehicles needs to be developed to replace the existing liquid cooling system, and it is also necessary to combine two or more cooling methods and study more efficient, sensitive and intelligent early warning devices to obtain better cooling effects.

New energy vehicles  /  Power battery  /  Cooling technology