Prismatic Cell Capacity Separation Cabinet

Prismatic Cell Capacity Separation Cabinet

Overview

-The prismatic cell capacity separation cabinet is a professional device used for capacity separation detection of diamond-shaped cells. It is mainly used in the field of lithium battery production and manufacturing. It accurately measures the capacity, internal resistance and other parameters of the cells by charging and discharging the cells, and classifies and screens the cells according to the set standards to ensure the consistency and performance stability of each cell in the lithium battery pack, and improve the overall quality and service life of the lithium battery pack.

Main features

High-precision measurement: It can accurately measure the voltage, current, capacity, internal resistance and other parameters of the battery cell. The measurement accuracy can reach a high level, such as voltage measurement accuracy of ±0.1%, current measurement accuracy of ±0.2%, etc., to provide reliable data for accurate evaluation of battery cell performance.

Multi-channel design: It usually has multiple test channels, which can test multiple batteries at the same time to improve test efficiency. The number of channels is generally available in 8 channels, 16 channels, 32 channels, 64 channels and other specifications to meet the production and testing needs of different scales.

Independent control: Each test channel is equipped with an independent constant current source, constant voltage source and control circuit, which can realize accurate and independent control of the charging and discharging process of each battery cell. , ensuring the accuracy and reliability of the test results, and the channels do not interfere with each other. Even if an individual channel fails, it will not affect the normal operation of other channels.

Multiple charging and discharging modes: supports multiple charging and discharging modes, such as constant current charging, constant voltage charging, constant current discharging, constant power discharging, etc., and can also flexibly set charging and discharging parameters according to different battery types and test requirements, such as charging and discharging current, voltage, time, etc., to meet diverse testing needs.

Safety protection function: It has complete safety protection functions, including overvoltage protection, overcurrent protection, overheating protection, short circuit protection, etc. When the battery cell has an abnormal situation during the test, the equipment can automatically cut off the circuit in time to protect the safety of the battery cell and the equipment. At the same time, an alarm signal is issued to remind the operator.

Data storage and analysis: The test data of each battery cell can be recorded and stored in real time, and the data can be analyzed, processed and managed through the supporting host computer software. The software has functions such as data query, statistics, report generation, and curve drawing, which is convenient for users to evaluate and trace the performance of the battery cell.

Technical parameters

Input power: Generally AC380V±10%, 50Hz three-phase five-wire power supply, some small equipment can also use AC220V power supply.

Constant current range: usually available in different specifications such as 0~20A, 0~50A, 0~100A, etc., and the resolution can reach 1mA or higher to meet the testing needs of batteries of different capacities.

Constant voltage range: generally 0~5V, with a resolution of about 1mV, which can be set accordingly according to the rated voltage of the battery cell.

Internal resistance measurement range: The common internal resistance measurement range is 0~200mΩ, and the measurement accuracy can reach about ±3mΩ.

Time range: The time setting range of each step is generally 0~30000 minutes, with an accuracy of ±0.1%.

Communication method: RS485 communication interface is mostly used, with a baud rate of 57600, etc., which can realize data transmission and remote control between the equipment and the host computer.

Precautions for use

Battery cell installation: When installing the battery cell, ensure that the positive and negative poles of the battery cell are correctly connected to the test fixture of the capacity distribution cabinet to avoid reverse connection causing battery cell damage or equipment failure. At the same time, ensure good contact between the battery cell and the fixture to reduce the impact of contact resistance on the test results.

Parameter setting: According to the type, specification and test requirements of the battery cell, correctly set the charging and discharging current, voltage, time and other parameters. Improper parameter setting may affect the accuracy of the test results and even damage the battery cell.

Equipment preheating: When using the device for the first time or restarting it after a long period of non-use, it is recommended to preheat the device first, so that the device reaches a stable working state before testing to ensure the reliability of the test data.

Safe operation: During the operation of the device, it is strictly forbidden to touch the battery cell and test fixture under test to avoid electric shock accidents. At the same time, keep the environment around the device clean and tidy to avoid the accumulation of debris that affects the heat dissipation of the device or causes safety hazards such as short circuits.

Data backup: Back up the test data regularly to prevent data loss, so that historical data can be checked and analyzed at any time when needed.