Abstract
To effectively deal with the energy crisis, air pollution and other problems, various countries and regions have increasingly strict emission standards for automobile exhaust. New energy vehicles have been produced and vigorously developed. The power battery is a vital part of new energy vehicles, and the battery’s operating temperature needs to be precisely controlled to achieve the smooth functioning of new energy vehicles. This paper will analyze the current application status, principles and application scenarios of different cooling technologies for power batteries of new energy vehicles by examining the characteristics of various cooling technologies, contrasting their cooling capacities, summarizing their corresponding ways of improvement, and identifying the development trend. Despite the extensive use of air cooling systems in the past decades, it has been gradually replaced by liquid cooling in recent years, and It has been discovered that heat pipe cooling works greatest when the starting temperature is constant. However, the heat pipe cooling method is still in development and has not been applied to real vehicles. Therefore, heat pipe cooling may become the most potentially efficient cooling method in the future.
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