CR2032 button cell batteries

　　Structural design principles of CR2032 button cell batteries packs

　　Although single high-rate lithium batteries have excellent characteristics, power lithium batteries can only use lithium battery packs. Due to the poor consistency, heat treatment and shock resistance of a single polymer cell lithium battery, it is found that after a single lithium battery is put into a rechargeable battery during use, its high-quality properties will be significantly reduced.

　　The structural design of CR2032 button cell batteries packs should comply with the following 6 principles:

　　1. The selected polymer cell lithium battery cell should have stable charging and discharging characteristics;

　　2. Adopt certain temperature control strategies to ensure that the lithium battery pack works within a suitable temperature range;

　　3. Ensure that the CR2032 button cell batteries pack has certain impact toughness and meet the vibration requirements under environmental conditions;

　　4. According to the application requirements of the power engineering environment, polymer cell lithium batteries should meet insulation and flame retardant requirements;

　　5. The design should be easy to install and maintain;

　　6. The middle of the lithium battery pack should be conducive to series connection.

　　CR2032 button cell batteries pack operating temperature field control is an important research direction in the overall design of polymer cell lithium batteries. The characteristics of power lithium batteries with large space and high power are particularly sensitive to temperature changes, which is manifested as the effects of high power High temperature problems cause the lithium battery electrolyte to dissolve, the SEI film to dissolve, and the lithium battery electrolyte to react positively and negatively in the battery. By improving the battery structure, the battery works in a suitable temperature gradient to prevent battery heat from being uncontrollable. The core problem of thermal management of lithium battery companies is: how to prevent the heat of lithium battery companies from being uncontrollable. The plan is mainly designed from the structural aspect of the battery to ensure that the battery operates within a suitable temperature range and to meet the strength requirements of batteries for automobiles and water transport.

　　Overall design of high-capacity lithium battery components.

　　The raw materials of lithium battery components are made of high-toughness plastic materials. The bottom of the battery box is thickened and equipped with multiple horizontal support rods, and the battery installation slot is pre-embedded in the box body. In order to reduce the vibration of the battery during operation and transportation, a rubber pad is attached to the battery installation tank, multiple ribs are modified on the baffle, the fan installation hole is pre-embedded in the front plate, and the fan installation hole is embedded in the battery compartment. Nuts are embedded in the board.

　　During transportation and specific work, polymer battery cells will vibrate. The vibration of the battery control module will loosen the connection between the rechargeable battery pole and the grounding copper bar, causing the resistor to expand and the point contact temperature to rise too high. And excessive current will melt the loosely connected ground copper bar, and when the vibration is large, the battery module is easily damaged. In order to better ensure the reliability of lithium battery components under transportation and actual operating conditions, it is necessary to analyze vibrations under different conditions. In actual use, random vibration analysis was carried out on the battery control module at several levels including vertical composite, abscissa, ordinate, transportation, and ship. Through simulation and analysis, it was shown that the system has met the vibration technical standards.

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