Abstract
As an important energy storage device, lithium-ion batteries are widely used in mobile electronic devices, electric vehicles and other fields. However, lithium-ion batteries generate a lot of heat during the charging and discharging process, and if effective thermal management is not carried out, it will lead to problems such as battery performance, reduced safety and even thermal runaway. Therefore, it is of great significance to study the thermal management strategy of lithium-ion batteries to improve battery performance and safety. This paper reviews the progress of thermal management research on lithium-ion batteries in recent years, analyzes the working principles of active cooling and passive cooling in detail, proposes the application methods of composite cooling, and looks forward to the future research should focus on the research and development of Multiphysics coupling simulation, intelligent thermal management system and new thermal management materials to achieve efficient thermal management of lithium-ion batteries and improve battery performance and safety.
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