CR2025 battery manufacturers teach you the CR2025 battery production process and CR2025 battery coating process

　　CR2025 battery manufacturers teach you the CR2025 battery production process and CR2025 battery coating process. With the development of lithium-ion battery technology, the application range of lithium-ion batteries is becoming wider and wider. In addition to small portable electronic products, other applications require battery voltages higher than existing single cell voltages. The consistency of lithium-ion battery cells has a great impact on the capacity, cycle life, safety performance, etc. of the battery pack. CR2025 battery pole piece manufacturing is a key process in the battery production process. Next, the CR2025 battery manufacturer will teach you the CR2025 battery production process and CR2025 battery coating process.

　　CR2025 battery production process

　　1. Tablet pressing:

　　a) Confirm the model number and the standard thickness of the positive and negative electrode plates of this model.

　　b) The thickness and appearance of the highest grade pole piece after compression (NO.1 or NO.1 and NO.2), whether there is deformation, blistering, material loss, adhesion, and lamination.

　　c) Strength inspection of pole pieces.

　　2. Sharding:

　　a) Confirmation of knife edge specifications, large pole piece specifications (length and width), and appearance.

　　b) Width of separated pieces.

　　c) Whether the separated small pieces have burrs, wrinkles, or are cut skewed or dropped (positive).

　　3. Grading and weighing of films:

　　a) Weigh whether there is any error.

　　b) Appearance inspection: Dimensions are out of tolerance.

　　4. Bake:

　　a) Setting of oven temperature and time.

　　b) Temporal effects of N2 release and vacuuming (visual inspection of instruments) and time intervals.

　　CR2025 battery coating process flow

　　The general coating process of lithium batteries includes: unwinding → splicing → pulling → tension control → coating → drying → deviation correction → tension control → deviation correction → winding and other processes. The coating process is complex, and there are many factors that affect the coating effect, such as: the manufacturing accuracy of the coating equipment, the smoothness of the equipment operation, the control of dynamic tension during the coating process, the amount of air volume during the drying process, and temperature control Curves will affect the coating effect, so it is extremely important to choose the appropriate coating process.

　　Generally, the following aspects need to be considered when selecting a coating method, including: the number of coating layers, the thickness of the wet coating, the rheological characteristics of the coating liquid, the required coating accuracy, the coating support or substrate, and cloth speed, etc. Coating methods have evolved from the original dip coating and extrusion to the most advanced double-sided simultaneous coating, all in order to improve the coating quality and performance of the pole pieces. Some domestic units with strong economic strength, in order to ensure reliable manufacturing performance For lithium-ion batteries, a large amount of money has been spent to introduce expensive pole plate coating machines from abroad.

　　The CR2025 battery production process has a crucial impact on battery consistency. The quality of the pole pieces has basically determined certain performance of the battery. The coating of the substrate is a very important part of the entire battery manufacturing process. Coating machine manufacturers in the United States and Japan developed double-sided simultaneous coating technology to address the energy efficiency of single-layer coating machines and the oxidation of aluminum foil, which completely solved the problem of aluminum foil oxidation during coating. However, the price of double-sided simultaneous coating machines is astronomical It is not something that ordinary battery manufacturers can afford.

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