Technical Knowledge

1. How to charge the new battery In the use of lithium-ion batteries, it should be noted that the battery will enter the sleep state after being placed for a period of time. At this time, the capacity is lower than the normal value, and the use time will also be shortened. However, lithium-ion batteries are easy to activate. They can be activated after 3-5 normal charge-discharge cycles to restore normal capacity. Because of the characteristics of lithium-ion battery itself, it has almost no memory effect. As

Theoretically, the capacity of lithium-sulfur battery is five times that of the current battery electrode, and the voltage is about 2.123V. Although these characteristics of lithium-sulfur batteries are very prominent, the recyclability of lithium-sulfur batteries is very low. After 50 charging cycles, the capacity density of the lithium-sulfur battery drops rapidly, which is mainly due to the dissolution and volume expansion of Li2Sn (4≤ n≤ 8) as a medium and the low conductivity of sulfide and polysulfid

Storage environment of lithium ion battery electrolyte The electrolyte of commercialized lithium hexafluorophosphate shall not exceed 60 ℃. If the solvent also contains dimethyl carbonate, diethyl carbonate and other solvents with lower boiling points, high temperature is not recommended. Electrolyte solvent is generally mixed solvent. It is better to be at - 10~40 ℃. Storage and use method of lithium ion battery electrolyte The electrolyte of lithium ion battery is an important part of the battery, which

Working principle of dry battery The dry battery belongs to the primary battery in the chemical power supply. It is a disposable battery. Its carbon rod is used as the positive pole, and the zinc cylinder is used as the negative pole. It converts chemical energy into electrical energy to supply the external circuit. In the chemical reaction, because zinc is more active than manganese, zinc loses electrons and is oxidized, and manganese gains electrons and is reduced. Dry batteries are not only suitable for flash

Analyze the comparative test of power lithium-ion battery at home and abroad According to the GB/T31484GB/T31485GB/T31486 test standard, the battery samples of different materials and different packaging forms (soft package, square hard shell and cylindrical winding) at home and abroad were selected for benchmarking analysis, including 4 domestic lithium iron phosphate batteries, 3 ternary materials batteries, 1 lithium manganate battery, and 2 Japanese and Korean ternary materials batteries. The test objects ar

There are more and more shortcomings exposed by simple mechanical assembly methods, and cannot meet the requirements of continuous improvement of power lithium batteries. The adhesive assembly or assembly is made up for the lack of mechanical assembly. The types of adhesives used in power lithium batteries include structural adhesives, heat conductive adhesives, solder joint protection glue and sealing, and so on. Adhesives are used to improve the performance and safety of power lithium batteries and use them in mu

UPS lead -acid battery technical parameters and advantages and disadvantages analysis. The advantages and disadvantages of the UPS battery are directly related to the reliability of the entire UPS system, but the battery is the shortest device with uniform failure time (MTBF) in the entire UPS system. If the user can use and maintain it correctly, it can extend its service life. On the contrary, the service life will be significantly shortened. The types of batteries are generally divided into lead -acid batteries,

The characteristic of polymer lithium -ion batteries is as follows; 1. The scope of use is wide, and it is very popular in the 3C digital industry. 2. In terms of the shape of a soft -packed polymer lithium -ion battery, a soft bag can be variable in the shape of a river. For motor vehicles, a soft -packet battery can be added to the space of the motor vehicle. At the same time It is not affected by the structure type of motor vehicle 3. It is very thin, the space occupies a small space, and the soft bag b

Reliability and usability Due to the different manufacturing methods of lithium ion batteries and lead -acid batteries, the failure rate of lithium ion battery is much lower. Due to the longer service life and lower maintenance requirements, the UPS power supply uses a lithium ion battery rarely failure. According to the chemical composition used, the service life of lithium -ion batteries can be up to 15 years. Compared with lead -acid batteries, it can significantly save replacement costs, because lithium i