cr2032 3v lithium battery

　　How to improve the energy density of lithium battery systems?

　　Improving the energy density of battery systems is a systematic project that can start from developing new materials, optimizing battery structures, and improving manufacturing processes.

　　1. Enhanced lithium battery core material

　　Using different organic chemical management systems, you can change specific energies. For example, in the cathode material of lithium-ion batteries, the occupancy rate of nickel, cobalt, and manganese elements is adjusted to increase the occupancy rate of nickel, thereby increasing the specific energy of lithium-ion batteries. In the cathode material of lithium-ion batteries, the volume of silicon/carbon polymer materials can reach 4200mah/g, while the basic theoretical capacity of lithium-ion batteries is only 372mah/g. In addition, many lithium-ion batteries have volumetric damage during the entire process of a battery charge, and some lithium-ion batteries are damaged throughout the entire cycle system. Therefore, the lithium element in the lithium-ion battery or lithium-ion battery electrolyte has to be damaged. Filling technology is also the main research content of new batteries.

　　2. Optimize the layout structure

　　At present, most battery packs are constructed using various fixed cards and supporting elements in the battery pack. Many structural components have a large volume and mass, which greatly reduces the overall integration efficiency and adjusts the battery pack's efficiency. The layout structure simplifies the various installation support point structures, allowing the lithium-ion battery pack to have a high volume in a relatively limited room space. This year's CTP (celltopack) plan has changed the structure of the past lithium-ion touch battery pack, forming a standardized battery pack through several large-space lithium-ion battery packs, and then intelligently stacking them into a larger battery control module , these procedures not only reduce the total number of components, but also greatly improve the space utilization and specific energy. Therefore, simplifying the structure of rechargeable battery packs and forming a secondary integration solution for lithium-ion battery packs has become the technical direction chosen by many companies.

　　3. Change the specifications of rechargeable batteries

　　Changing the specifications of rechargeable batteries is also a major aspect of expansion. For example, by changing the length and overall width of the rechargeable battery, the lithium-ion battery becomes flatter and narrower within a certain volume, which is beneficial to the overall layout of the lithium-ion battery in the battery pack and can increase the space of the power lithium-ion battery. Utilization, producing more battery pack than energy. This flat design scheme also allows the lithium-ion core to have a larger total heat dissipation area, allowing the lithium-ion core to immediately transfer the heat generated internally to the outside world, preventing the heat generated internally from accumulating, and better matching the higher Specific energy. Therefore, how to improve the specific energy of rechargeable batteries according to changes in battery specifications is also the main content of our company's research.

　　4. Application of lightweight raw materials

　　In the application of raw materials, in addition to the upgrade of lithium-ion battery materials, the improvement of battery pack materials is also an important measure to improve the ratio of energy to rechargeable battery systems. At present, battery box materials mostly use aluminum alloy materials, high-strength steel materials and polymer materials. The relative density of aluminum alloy profiles is small, only one-third of steel. Using aluminum alloy profiles instead of steel can significantly reduce the net weight of the battery, and the aluminum alloy profiles will continue to produce a high-density, stable oxidation air film, which is resistant to Corrosive, it is a high-quality lightweight raw material for batteries; high-strength steel and high-strength steel rechargeable battery casings can be lighter and less expensive than traditional high-carbon steel raw materials; thermoplastic polymer materials cannot It is used repeatedly, has low cost and good ductility. It is an ideal raw material for battery casings and has been widely used in battery packs at this stage.

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