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Soft package cell heat treatment scheme
Soft package cell heat treatment scheme：
Because the pack structure of soft battery, which determined load bearing material as heat conducting material. therefore, it will be convenient to make heat treatment, heating or cooling, typical case are Tianjin and Beijing two customer.
The design of which use PTC to heat water cooling project, it achieves cell heating and cooling.
Soft package battery load bearing aluminum board extended about 20~30mm, this part vertically contacting water cooling board, it can achieve heat treatment according to practical temperature.
The advantage of this system is higher efficiency, but defect is also very obvious, the connect and welding of pipe in the system, and needs a special pump to bust cycling water, therefore many factories are indecisive about this.
In the heat treatment of soft package, it can use high performance thermal conduction material, to boost heat transfer between battery and aluminum, such as using graphite flake, graphite flake plus copper foil, these can improve heat diffusion of battery pack (relevant to specific scale and pack design)
Customer heat treatment scheme—Soft pack water-cooling solutions：