Analyze the type of lithium battery and the application of lithium battery

Lithium-ion battery classification Lithium-ion batteries are currently divided into three major parts. The first piece is consumer electronics. Now everyone on mobile devices, the vast majority of smart phones, notebook computers have already used lithium-ion batteries, this market capacity can basically be calculated in units of tens of billions. The second area is the emerging demand for electric vehicles, whether it is pure electric vehicles or plug-in hybrid vehicles, the current demand has gradually formed. The third piece is to remind colleagues that in the future, lithium batteries will be used in the field of energy storage. Its market capacity will be broader than that of electric vehicles, and its market can even be measured by a trillion yuan of output value. Lithium-ion battery type 1. Cylindrical lithium-ion battery The appearance of cylindrical lithium-ion battery usually the positive and negative electrodes and separator are wound on the negative pole, and then put into a cylindrical steel shell, then injected with electrolyte, sealed, and finally the product is formed. 2. Square lithium-ion battery The important components of square lithium-ion battery are similar to cylindrical lithium-ion battery, but it is also composed of positive and negative electrodes, electrolyte, and shell. Generally, when the electrolyte is liquid, a steel shell is used; if a polymer electrolyte is used, aluminum-plastic packaging materials can be used. 3. In addition to cylindrical lithium ion batteries and square lithium ion batteries, button lithium ion batteries also have coin lithium ion batteries (CoinLi-ionBattery), which have a simple structure and are usually used for scientific research and testing. 4. Thin film lithium ion battery Thin film lithium ion battery is the latest field in the development of lithium ion batteries. Its thickness can reach millimeters or even micrometers. It is often used in bank anti-theft tracking systems, electronic anti-theft protection, micro gas sensors, micro coulomb counters and other micro electronic equipment . At present, the lithium-ion batteries equipped with mainstream electric vehicles mainly include two kinds of lithium iron phosphate batteries and ternary lithium-ion batteries. Compared with lithium iron phosphate batteries, ternary lithium ion batteries have much higher weight energy density. In addition, the low temperature resistance of ternary lithium ion batteries in winter is much higher than that of lithium iron phosphate batteries. This means that a ternary lithium-ion battery of the same weight has a longer cruising range than a lithium iron phosphate battery. As the energy density of iron phosphate lithium-ion batteries has little room for improvement, and there is still room for development of ternary lithium-ion batteries, ternary lithium-ion batteries will become the technological trend of electric vehicles in the future. What are the advantages of lithium manganese phosphate 18650 cylindrical battery compared with the same model of lithium iron phosphate battery? 1. High rate performance: the battery capacity retention rate of 40C continuous discharge is 90% of 1C. 2. The discharge capacity is 1100mAh, the discharge voltage is 3.9V, and the energy density is 20% higher. 3. The cycle life performance is good. After 150 weeks of 1C normal temperature cycling, the capacity of the lithium-ion battery does not significantly decrease. 4. Safety performance: Pass 3C-10V overcharge and puncture safety tests, no fire, no burning. 5. Low temperature performance: Discharge at 0.2C at -20°C, and the capacity can reach 97.6% of normal temperature (25°C). Even if it is discharged at -40°C, the capacity can reach 61.5%. Looking at it now, lithium-ion power lithium batteries are currently the best choice. The broad market demand is also attracting a lot of Ru0026D and manufacturing investment into this industry, which has promoted the rapid development of lithium-ion battery technology, so this industry has developed very fast recently. When it comes to power lithium batteries, in fact, it is very important in technology. Power lithium batteries pursue five aspects of performance, safety is the first priority, the other two pursuits, one is energy density, the other is power density, and the most important is service life. Application of Lithium Ion Battery ●Application in portable electrical appliances At present, portable power supplies such as mobile phones, notebook computers, and miniature cameras have become an indispensable part of people’s lives. In terms of their power sources, lithium-ion is selected without exception. Batteries are the mainstream of the market. ●Application in the transportation industry With the progress of social civilization, people's awareness of environmental protection and environmental requirements are increasing, and environmentally friendly transportation has entered people's field of vision. At present, my country's electric light-duty vehicles, mainly electric bicycles, are showing a trend of vigorous development. Lithium-ion batteries have begun to be applied in some high-end vehicles. In the development of electric vehicles, lithium-ion batteries have become the mainstream. ●Application in military equipment and aerospace industry. In military equipment, lithium-ion batteries are mainly used as power starting power, wireless communication radio power, micro-unmanned reconnaissance aircraft power lithium batteries, etc., in addition, such as laser sights, night Lithium-ion batteries are now commonly used in cameras, power supplies for pilot life-saving radios, etc. ●Lithium-ion batteries have been used in geosynchronous orbit satellites and low-orbit communication satellites as the power for launch and in-flight calibration and ground operations. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous post: Can Ni-MH batteries be repaired? What are the important repair and activation methods for Ni-MH batteries?