This study is on the development of lithium-ion batteries, which are one of the main power sources for electric vehicles, hybrid electric vehicles, and ESS. Lithium-ion batteries have superior performance compared to other driving power sources, and also needs to maintain the battery''s performance and maximum operating temperature for safety. In addition, it must be prepared to respond to weight reduction. Heat generation in batteries is related to the life of the battery.
For the thermal management of the battery, experiments were conducted through a heat removal using cooling water. In order to obtain the high cooling performance of the battery module, the prototype module was made by optimizing it using flow analysis. The heat generated inside the battery module was removed property and the design showing high cooling performance was selected and applied to successive analyses.
Instead the mhermal test using a single battery, heaters were used for the experiments of heating instead of using batteries in order to ensure the safety problem such as explosion. By designing a new battery cooling module, a module with high cooling efficiency was designed and applied and verified through empirical experiments. A battery thermal management system model is developed based on MATLAB/Simulink - Simscape toolbox (version R2020b) to simulate the thermal characteristic of a cell and the battery thermal management system. The cooling performance of battery thermal management system using the water-cooling method with two kinds of cold plate are compared using simulation. Thermal resistance is considered to investigate cooling efficiency of the cold plates. The result of simulation is validated by comparing to result of the experiments. Through optimal efficiency, the study was conducted by connecting cooling system performance and system optimization.