cr2032 button batterycooling technology for electric vehicles

　　In the design of pure electric vehicles, in order to prevent the performance of pure electric vehicle batteries from declining due to temperature rise, heat dissipation management of the cr2032 button batterymust be carried out. A good heat dissipation system can not only effectively improve the environmental adaptability of the vehicle, but also greatly extend the service life of the battery. .

　　1. Development trend of global patent applications for cr2032 button batterythermal management

　　Technology research and development and patent applications in the field of cr2032 button batteryheat dissipation management for pure electric vehicles are in their infancy. They gradually grew from 1995 to 1999, entered a period of rapid growth in 2000, and entered explosive growth after 2009. The number of patent applications increased in the following years. fall back.

　　2. Analysis of major patent holders of cr2032 button batteryheat dissipation management

　　Among foreign applicants, Toyota, LG and Honda are relatively advanced in patent applications in the field of cr2032 button batterycooling technology. Among domestic applicants, Chery and BYD are relatively advanced, but there is still a certain gap between them and Japanese and Korean companies.

　　3. Technical composition of cr2032 button batteryheat dissipation management patent application

　　By analyzing the patent applications of major applicants in the field of cr2032 button batterycooling, the cr2032 button batterycooling technology in the patents is decomposed into six technical branches (see Figure 3). in:

　　(1) The cooling runner branch mainly improves the position and shape of the cooling runner;

　　(2) The cooling component branch mainly improves the structure of heat sinks, cooling plates, heat transfer plates and other components;

　　(3) The cooling medium branch mainly improves the processing of coolant, such as stirring;

　　(4) The cooling system branch mainly improves the design of the entire cooling system, such as dual systems;

　　(5) The control method branch mainly obtains the required temperature control or other beneficial performance through control and management of the cooling system;

　　(6) The configuration branch between vehicles mainly considers the improvement of the combination between the power cr2032 button batteryand the electric vehicle, so as to achieve the optimal design of the cooling system through the mutual position or system coupling relationship between the two.

　　Globally, research on cr2032 button batterythermal management mainly focuses on the improvement of cooling components and improvements in cooling flow channels.

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