Product testing Product testing is a key link to ensure...
Process of product
The manufacturing process of low-speed vehicle lithium battery includes the main steps of raw material preparation, electrode sheet manufacturing, battery cell assembly, liquid injection and packaging. First, prepare positive and negative electrode materials, electrolyte, diaphragm and other raw materials, coating, drying and rolling the electrode sheet, and then the electrode sheet and the diaphragm are wound or laminated into a battery cell, injected into the electrolyte and sealed. Then, the battery is activated through preliminary charging and discharging (formation), and the performance test is carried out to ensure that the capacity, internal resistance and safety of the battery meet the requirements.
Process of product
Subsequently, multiple cells are assembled into a battery pack according to the design requirements, and a battery management system (BMS) is integrated to monitor the working status of the battery. Finally, the battery pack is subjected to rigorous safety and performance testing to ensure compliance with standards. Through the final packaging and factory inspection, ensure the stability and reliability of the battery in the low speed vehicle.
Specific steps include
This process involves mixing positive and negative electrode active materials with conductive agents, adhesives, etc., to make a slurry. The paste is processed by coating, drying and other
The preparation of electrode materials ensures the basic energy storage capacity of batteries and is the key to manufacturing high-performance batteries.
Electrode manufacturing
The prepared slurry is evenly coated on the collector fluid (such as copper foil and aluminum foil), and the electrode sheet is formed by drying, calendering, etc., and cut into the required size. The electrode manufacturing process determines the electrochemical performance of the battery, ensuring that the battery can efficiently store and release energy.
the positive and negative electrode sheets and the diaphragm are alternately laminated or wound to form a battery cell core, and placed in the shell, ready for subsequent chemical activation after encapsulation. Cell assembly is the core component of the battery, and its structure and process directly affect the energy density and service life of the battery.
Formation and capacitance separation
Through the initial charging and discharging (formation) of the battery, the electrochemical reaction of the battery is activated to ensure its stable operation. After the formation of the battery, it is necessary to pass the capacitance test to screen out the battery that meets the standard. The formation and separation process ensures the stability and consistency of the battery, and is the basis for ensuring the long-term efficient use of the battery.
inished product testing
including strict testing of battery capacity, internal resistance, cycle life, etc., and safety testing to ensure that the battery can be safe and reliable in actual use. The finished product inspection is the final check before the battery leaves the factory to ensure that the performance of each battery meets the standard and has a high safety.
Battery assembly
Multiple standards-compliant battery cells are combined in series or combination to form battery packs, integrate battery management systems (BMS), and test the overall performance. Battery assembly integrates multiple battery cells into an efficient and stable battery system, ensuring the overall performance and safety of the battery in low-speed vehicles.
low-speed car batteries
Low-speed vehicle battery is a kind of battery designed for low-speed electric vehicles, which has the characteristics of clean, environmental protection, high efficiency and economy, and is widely used in electric golf carts, low-speed electric vehicles (LSV), mobile vendors, campus transportation, cargo trucks and so on
Extended reading
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