Partition Capacity separation is a key step in the production process of lithium batteries, the main purpose of which is to carry out capacity separation and performance screening classification of batteries. The following is a detailed introduction to the volume separation process: The concept of partitioned volume Capacity separation refers to the fixed requirements of the environment, when the lithium-ion…
Storage at normal temperature
Storage at normal temperature Lithium batteries need to follow specific conditions during the constant temperature storage process to ensure the safety, performance and life of the battery. The following is a detailed description of the constant temperature storage of lithium batteries: Storage temperature range The constant temperature storage temperature range of lithium batteries is critical to the performance and life…
OCV measurement
OCV measurement In the lithium battery production process, OCV (Open Circuit Voltage) measurement is a key quality control step. The following is a detailed description of the OCV measurement: Definition and importance of OCV measurement OCV refers to the potential difference between the positive and negative electrodes of the battery under no load conditions, that is, the voltage value when…
Formation
Formation Formation is a crucial step in the production process of lithium batteries, which involves the first charging of the battery after liquid injection to activate the active substances in the battery and form a solid electrolyte interface (SEI) film. The following is a detailed description of the formation process: The purpose and importance of formation The main purpose of…
Shell coding
Shell coding The shell marking code in the production process of lithium battery, also known as shell coding or shell coding, is an important link in the production process of lithium battery. This step involves marking specific coded information on the battery housing to facilitate battery traceability, identification and management. The following is a detailed introduction to the housing marking…
Check the alignment
Check the alignment Alignment test in the production process of lithium batteries is an important step to ensure battery performance and safety. The following is a detailed description of checking alignment: Verify the purpose and importance of alignment Inspection alignment mainly refers to the detection of the relative position accuracy of the edge position of the positive and negative pole…
Dry and store
Dry and store Dry storage in the production process of lithium battery is an important link to ensure the quality and performance of the battery. The following is a detailed description of the dry storage process: Dry storage purposes The main purpose of dry storage is to remove moisture from the battery components and prevent performance degradation or safety problems…
Wash
wash The cleaning link in the lithium battery production process is crucial, which mainly involves the removal of impurities, pollutants and residues that may be attached to the surface of the battery during the manufacturing process to ensure the quality and performance of the battery. The following is a detailed description of the cleaning process: Cleaning purpose The purpose of…
Weld cap
Weld cap A key step in the lithium battery production process is the welding cap, which involves welding the positive lug of the battery to the battery cap (top cap) to ensure the battery’s tightness and electrical connection. The following is a detailed introduction to the welding cap process: Purpose and importance of welding caps The main purpose of the…
Inject liquid
Inject liquid Battery manufacturing injection refers to the process of controlling the amount of liquid electrolyte and injection time, so that the liquid electrolyte is injected into the battery from the injection port. Its main purpose is to form ion channels to ensure that enough lithium ions migrate between the positive and negative electrode plates during the charging and discharging…