October , 2022
In the winter, the cruising range of electric vehicles is much less than that indicated by the manufacturer, and some even reach more than one-third. Why is this?
Lithium battery separator is one of the key inner layer components of lithium battery. The performance of the separator determines the interface structure and internal resistance of the battery, which directly affects the capacity, cycle and safety performance of the battery. The separator with excellent performance plays an important role in improving the overall performance of the battery.
The liquid lithium battery is mainly composed of four major parts: positive electrode material, negative electrode material, diaphragm, and electrolyte. The electrolyte is mainly responsible for conducting conductive ions between the positive and negative electrodes, which affects the energy density, cycle life, power density, and safety performance of the battery. , wide temperature applications, etc. will play a key role, known as the "blood of the battery".
Ternary lithium battery (ternary polymer lithium ion battery) refers to a lithium battery in which the positive electrode material of the battery uses nickel cobalt lithium manganate or nickel cobalt lithium aluminate ternary battery positive electrode material. The ternary composite positive electrode material is a nickel salt , cobalt salt, manganese salt as raw materials, the proportion of nickel, cobalt and manganese in it can be adjusted according to specific needs, ternary materials are mainly used for new energy vehicles, electric vehicles, pneumatic tools, energy storage, intelligent intelligent sweepers, drones , intelligent smart wearable devices and other fields.
Ternary lithium-ion batteries have excellent electrochemical properties such as high energy density, good safety and stability, support for high-rate discharge, and moderate cost advantages. The battery field has been widely used.
Low temperature lithium battery, a type of lithium metal battery, has an operating temperature of -20°C to 60°C. It can work normally at low temperature, but the charging and discharging efficiency is low. It has the advantages of small size, high specific energy, good cycle performance and low cost.
What are the differences between the energy storage battery BMS system and the power battery BMS system?
The BMS battery management system is simply the steward of the battery, which plays important functions such as ensuring safety, extending the service life, and estimating the remaining power. , reduce the loss caused by battery damage.