Technical Knowledge

Technical bottleneck and safety assurance analysis of lithium-ion battery system As an electronic component of real-time monitoring, active balancing, and intelligent charging and discharging, battery processing systems (BMS) play an important role in ensuring safety, extending service life, and saving electricity. After a series of manipulations and controls, the normal operation of the electric vehicle is guaranteed. According to relevant data, the global market value of battery processing systems rose by m

The requirements of fast charging technology for lithium-ion battery materials and structures Answers to some popular science questions about fast charging First, the concept of C in battery charging is introduced. This concept is very important and is the most commonly used term in battery discussions and analysis. is an abbreviation for current ratio The rate of a battery C rate is a measure of the rate at which A' is discharged relative to its maximum capacity. A rate of 1c means that the discharge cur

Important technical requirements for lithium iron phosphate batteries (1) Operating temperature range The battery is used at the following ambient temperatures: Charging environment temperature: 10℃~55℃; Discharge ambient temperature: 20℃~60℃. (2) Electrical properties The performance of the cells within the battery module is consistent. All batteries in a battery module are products of the same manufacturer, have the same structure and chemical composition, and should meet the following requir

General process of lithium-ion battery manufacturing The basic principle of lithium battery is redox reaction. The chemical properties of lithium metal are very active, which makes the processing, storage, use, and manufacturing process of lithium metal quite strict and complicated.(Lithium - Ion Battery Equipment) 1. Pulping: Mix positive and negative active substances with special solvent and rubber powder, stir evenly at high speed, and make pulp into positive and negative substances; 2. Coating: The sl

With the two-year fire of lithium-ion batteries and new energy vehicles, and the recent small disaster in the stock market, the lithium-ion battery sector has gradually climbed out of the quagmire and has attracted the attention of the market. As new energy vehicles are relatively complex, there are many standards, and prices are classified and compared in detail, the author, as a former electronics and electrical professional technician, makes our knowledge simple and effective in terms of lithium-ion batteries, w

Lithium-ion battery BMS has discharge overcurrent and short circuit protection functions, with an overcurrent current of 3A and a delay of 0.2s. 1. Determine overcurrent and discharge conditions When the smart battery is in the state of charge and discharge, the detected current exceeds 3A, and it is still greater than 3A after 0.2s delay, then it is judged as overcurrent. At this time, the protection executive circuit cuts off the discharge protection switch. To remove the protection condition is to connect

1. The working principle of lithium-ion battery As we all know, lithium-ion batteries use lithium cobalt oxide as the anode and carbon as the cathode. Lithium-ion batteries work by charging and discharging. When the battery is charged, lithium ions are formed at the positive electrode of the battery, and the lithium ions pass through the electrolyte to the negative electrode. Negative carbon has a layered structure with many micropores. Lithium ions reaching the negative electrode are embedded in the micropores

Electric bicycle lithium-ion battery charge balance function Lithium-ion batteries for electric bicycles have the function of charge balance, mainly because lithium-ion batteries have the advantages of small size, high energy density, no memory effect, long cycle life, and low self-discharge rate.(Lithium - Ion Battery Equipment) 1. The battery matching or the influence of the external environment causes the battery voltage of each battery to be different. 2. When the battery voltage difference between the

A breakthrough has been made in the localization of lithium-ion battery separators Core Tip: In short, the diaphragm is a porous plastic film. According to Yang, lithium-ion batteries are mainly composed of positive electrodes, negative electrodes, electrolytes, membranes and shells. Separators serve to prevent short circuits between positive and negative electrodes in lithium-ion batteries, and to supply lithium-ion transport channels during charging and discharging of lithium-ion batteries. The performance of