Lithium battery application classification
Regarding the application of lithium-ion batteries, this is an endless question. From the various application fields in the current market, combined with manufacturing experience, we classify lithium batteries into conventional types, high-temperature types, low-temperature types, rate types, Power and other 5 categories. Details are as follows:Conventional types
1.1 Square polymer lithium batteries are used in portable products such as tablets, mobile power supplies, digital products, and Bluetooth headsets. The size range is: thickness 1mm-12mm, width 8-150mm, length 15-200mm; capacity 20-10000mAh; The models are 523450-1000mAh, 351220-50mAh, 126368-6300mAh, etc. The main characteristics of this type of battery are: (1) the energy density can reach more than 450Wh/L; (2) the platform is high, the cycle number can reach more than 500 cycles, and the batch stability is good;
1.2 Cylindrical lithium batteries are used for lighting, backup power, multi-series and multi-parallel combined battery packs; the size range is 10, 14, 17, 18, 22, 26, 32, 42, etc., and the variety is very complete; representative models are 10430-350mAh, 18650-2300mAh, 32650-6000mAh, etc. Its main features are: (1) the energy density can reach more than 480Wh/L; (2) the formula, specially equipped high-automatic equipment, and sorting ensure consistency, and is suitable for multi-series and multi-parallel combinations; (3) the cycle can reach more than 400 cycles .High temperature types
2.1 The application fields of square polymer lithium batteries are GPS, car ignition, outdoor work tools, etc.; the size range is: thickness 2mm-10mm, width 20-150mm, length 20-200mm; capacity is 500-5000mAh; representative models are 703450-1250mAh etc. The main characteristics of this type of battery are: (1) the material system can still have good cycle performance at a high temperature of 80°C without flatulence; (2) the structural design can ensure the safety performance of the battery under high temperature conditions; (3) a unique edge-sealing process is adopted , to ensure the sealing of the battery under high temperature and high humidity; (4) the energy density can reach more than 420Wh/L, and it can also work normally at room temperature;
2.2 The application fields of cylindrical lithium batteries are automobile ignition, outdoor work tools, etc.; the size range is 18650, 26650, etc.; the representative models are 18650-2000mAh, 26650-3500mAh, etc.; its main characteristics are,(1) the material system can be used at a high temperature of 80°C. It works under environmental conditions and has good cycle performance; (2) the structural design can ensure the safety performance of the battery under high temperature conditions; (3) the integrated cap has excellent sealing performance and no liquid leakage in high temperature and high humidity environments.Low temperature types
3.1 The application field of square polymer lithium batteries is mainly portable or outdoor work tools in cold areas; the size range is: thickness 2-10mm, width 20-150mm, length 20-200mm; capacity is 500-3000mAh; representative model is 523450-1000mAh. Its main features are: under the environmental conditions of -40°C and 0.2C, the discharge retention rate can reach more than 35%; under the environmental conditions of -30°C and 0.2C, the discharge retention rate can reach more than 60%;
3.2 The application field of cylindrical lithium battery is the same as that of polymer lithium battery; the size range is 14, 17, 18, 22, 26, 32, etc.; the representative model is 18650-2000mAh. It is mainly the same as the polymer.C-Rate types
4.1 The application fields of square polymer lithium batteries are aircraft models, electric tools, etc.; the size range is: thickness 2-10mm, width 20-150mm, length 20-200mm; capacity 40-3000mAh; representative models are 953048-1000mAh, 501417-70mAh wait. Its main characteristics are: (1) continuous 25C discharge can maintain more than 85%; (2) 15C, 300 cycle cycle can maintain more than 80%; (3) the weight is lighter than peers; fourth, it has a structural patent;
4.2 The application fields of cylindrical lithium batteries are mainly electric tools, etc.; the size range is 14, 17, 18, and 22 series; the representative models are 18650-1300mAh, 18650-1600mAh, etc.; its main characteristics are, (1) the continuous 30C discharge can reach 85 % or more; (2) 15C, 300-cycle cycle maintains more than 80%; (3) good safety performance.Power types
5.1 The application fields of square polymer lithium batteries are mainly energy storage equipment, electric bicycles, etc.; the size range is: thickness 6-10mm, width 50-150mm, length 50-200mm; capacity 5000-10000mAh; representative model is 90100135-10Ah- 3.2V etc. Its main features are: (1) it uses lithium iron phosphate or lithium manganese oxide, and the 20Ah battery has passed conventional safety tests such as overcharge, thermal shock, and heavy object impact without exception; (2) the lithium iron phosphate power battery can achieve 0.5C1000 cycles; (3) is to ensure the consistency of the product from the formula, equipment and sorting;
5.2 The application fields of cylindrical lithium batteries are mainly energy storage equipment, electric bicycles, etc.; the size range is: 32, 42 series; the representative model is 42100-10000mAh, etc. Its main features are: (1) the lithium iron phosphate battery ensures the safety of the product; (2) the consistency of batch combination is good.