A cylindrical battery scale plant is a specialized piece of equipment used in the production of cylindrical lithium-ion battery cells. These machines automate and streamline the manufacturing processes involved in producing cylindrical cells, ensuring efficiency, consistency, and quality. Here are the key components and functions of a cylindrical cell making machine

Electrode Preparation

Coating System Applies electrode materials (anode and cathode) onto current collector foils with precise thickness and uniformity.

Drying System Removes solvents from the coated electrode materials, ensuring proper adhesion to the current collectors.

Calendering System Compresses the electrode materials to the desired thickness, improving energy density and uniformity.

Electrode Cutting and Slitting

Cutting Machine Cuts the coated electrode materials into specific sizes and shapes to match the dimensions of the cylindrical cell.

Slitting Machine Divides the electrode materials into narrower strips for electrode winding.

Electrode Winding

Winding Machine Rolls the positive and negative electrode strips along with separators to create a tightly wound electrode assembly, forming the core structure of the cylindrical cell.

Tab Welding

Tab Welding Machine Welds tabs or current collectors onto the positive and negative electrode assemblies to establish electrical connections for the cell.

Cell Assembly and Formation

Cell Assembly Machine Places the cell electrode assembly line, along with the separator, into a cylindrical container or can.

Electrolyte Filling System Precisely injects the electrolyte into the assembled cell to enable ion flow and facilitate electrochemical reactions.

Sealing Machine Hermetically seals the cell to prevent electrolyte leakage and ensure long-term stability.

Formation and Testing

Formation Equipment Subjects the assembled cells to initial charge and discharge cycles to activate and stabilize their electrochemical properties.

Testing Instruments Measure critical parameters such as voltage, capacity, internal resistance, and cycle life to evaluate cell performance and quality.

Safety Measures and Quality Control

Safety Systems Incorporate safety features such as pressure relief mechanisms and thermal protection to ensure safe cell operation.

Quality Control Stations Monitor and inspect cell characteristics, dimensions, and performance to ensure adherence to quality standards and specifications.

Automation and Control

Control Systems Enable precise control and monitoring of process parameters, ensuring consistency and reliability in cell production.

Robotics and Conveyors Assist in handling and transferring components and cells between different stages of the production process, improving efficiency and reducing manual labor.

Cylindrical battery scale line are designed to optimize the entire production process, from electrode preparation to cell assembly and testing. They enable high-volume production, consistent quality control, and scalability, supporting the widespread use of cylindrical lithium-ion battery cells in various applications.