Shell encapsulation and assembly fixed In the battery pack production process, the packaging and assembly of the case is a key step to ensure the safety, stability and durability of the battery module. This process involves not only physically protecting the cell and its internal components, but also optimizing the thermal management, shock resistance and mechanical strength of the battery…
Protection circuit and battery management system (BMS) integration In the process of battery modular assembly, protection circuit and battery management system (BMS) are the key components to ensure the safe and stable operation of battery pack. The purpose of integrating the protection circuit with BMS is to monitor the voltage, current, temperature and other parameters of the battery pack in…
Battery modular assembly Battery modular assembly is the process of combining multiple single battery cells into a battery module, which is an important part of battery assembly. Through the modular design, multiple battery cells can be combined into a unit with independent functions according to a specific arrangement. The modular battery assembly not only improves the production efficiency, but also…
Cell screening and matching Battery cell screening and matching is a crucial step in the battery assembly process to ensure the overall performance and stability of the battery pack. Through the screening and grouping of single battery, the mixed use of battery cells with large performance differences is avoided, and the safety risks and performance problems caused by battery cell…
Battery assembly Battery assembly is a key step to synthesize a single battery pack into a battery pack in the production process of lithium batteries. Firstly, the cell parameters in the battery pack are consistent by screening and matching the battery cells with the same performance. Then, the single battery is assembled into modules by welding or connecting pieces, and…
Security testing Safety testing is an important part of assessing the stability of batteries under extreme conditions to ensure that safety hazards do not occur during use and transportation. The test includes short-circuit testing, overcharge and overdischarge testing, and verifies whether its internal design can effectively prevent thermal runaway and electrochemical failure by simulating the performance of the battery under…
Electrical performance test Electrical performance test is the key to evaluate the core performance of the battery, including capacity and energy test, internal resistance test, voltage and self-discharge test, and life and cycle performance test. Through capacity and energy testing, verify that the actual energy output of the battery meets the design requirements, and ensure that it can meet the…
Finished product inspection Battery testing is the last important step in the lithium battery manufacturing process, which aims to ensure that the battery meets the standard requirements for product design and safe use through comprehensive performance testing and quality assessment. The results of the finished product inspection determine whether the battery can enter the market or be used in specific…
Separation Capacity separation refers to the important process of accurately measuring the actual capacity of the battery through the discharge test, and classifying the battery according to the test results. Capacitance separation is a continuous process after formation, designed to ensure the consistency of the battery, while providing a balanced performance of the single battery for battery assembly. Separation Capacity…
Formation process Formation is an important process that enables the battery to complete the initial charge and discharge cycle by controlling the charge and discharge conditions, thus activating its electrochemical reaction. The formation can not only improve the performance and stability of the battery, but also form a stable solid electrolyte interface film (SEI film) to protect the negative electrode…