Since the batteries in the battery pack will generate a lot of heat during operation, the performance of the battery pack will be severely affected. As a result, new energy vehicles are increasingly being developed with a focus on enhancing the rapid and uniform heat dissipation of the battery pack during charging and discharging.
Moreover, long-term battery packs require effective sealing for successful commercialization in EV's . The indirect cooling system typically employs cold plates, fins and microchannels to exchange heat between the battery pack and the coolant in order to prevent liquid leakage and short circuiting .
To conduct the heat efficiently, the heat spreaders may be placed between batteries to enhance the heat transfer from the module to the cold plates. Because of the flat shape, the cold plates are widely used in battery module, consisting of prismatic cells instead of cylindrical cells.
The heat generation in battery affects the safety of the device and the performance of the battery. During the operation of charging and discharging in batteries, temperature rises, which has to be properly removed and monitored . Electrical energy being converted to chemical energy or the reverse of this produces heat.
Because of the flat shape, the cold plates are widely used in battery module, consisting of prismatic cells instead of cylindrical cells. In general, the cold plates are expected to offer structural support for the cells and integrate into the battery pack to ensure safety and compactness in EVs.
The heating system suggested by Ji and Wang is made up of Li-IB cells, an airflow channel, a fan, a heater and other control elements. The battery-powered heater can generate a lot of heat at low temperatures, which can be used to warm the air in this system. When the fan operates, the hot air warms the battery unit through convection.
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