Power battery short-circuit exp-losion-proof test box

Power Battery Short Circuit Explosion-proof Test Chamber

1. Equipment Overview

Power battery short-circuit explosion-proof tester is a professional test equipment specially designed for evaluating the safety performance of large power batteries (e.g. batteries used in electric vehicles, energy storage systems, etc.) under short-circuit conditions. By simulating the short-circuit faults that may occur in actual use, the equipment evaluates the thermal runaway behavior, explosion risk and overall safety of the battery under extreme conditions. Since power batteries usually have high energy density and large capacity, they may generate huge energy release under short-circuit conditions, so the tester is equipped with multiple explosion-proof and safety protection measures to ensure the safety of the testing process.

2. Main Functions

- Short-circuit simulation: Create short-circuits inside or outside the battery by mechanical or electrochemical means to simulate short-circuit failures in actual use.

- Thermal runaway assessment: Real-time monitoring of the temperature change of the battery during the short-circuit process to assess its thermal runaway risk and thermal runaway behavior.

- Explosion risk assessment: Evaluate the explosion risk of the battery by observing its behavior during the short-circuit process, including whether violent combustion and explosion will occur.

- Safety test: Assess the overall safety performance of the battery under short-circuit conditions, including whether smoke, fire, explosion and other dangerous situations will occur.

- Data Acquisition and Analysis: Real-time acquisition of battery temperature, voltage, current and other data, and generate detailed test reports to help analyze the thermal runaway characteristics and safety performance of the battery.

- Multiple explosion-proof design: Equipped with explosion-proof box, explosion-proof door, pressure relief device and other explosion-proof measures to ensure the safety of the testing process.

3. Working Principle

1.

Battery preparation:

- Select representative power battery samples to ensure their compliance with relevant standards and specifications.

- Pre-treatment of the battery, such as charging and discharging cycles, to simulate the actual use of the situation.

2.

Environment Setup:

- Place the battery in the test chamber inside the explosion-proof test chamber and connect temperature sensors, voltage and current monitoring devices.

- Set the temperature conditions of the test environment, such as room temperature or high temperature environment.

3.

Short circuit triggering:

- Mechanical triggering: Create a physical short circuit by inserting metal pins or tabs inside or outside the battery.

- Electrochemical triggering: Create an internal short circuit by forming ion channels inside the battery through electrochemical methods.

4.

Test Process:

- Start the test chamber and begin the test.

- After the battery reaches the set conditions and stabilizes, trigger the short circuit.

- Monitor the temperature, voltage and current changes of the battery in real time, and record the rate of temperature rise and the maximum temperature.

- Observe the behavior of the battery in the short-circuit process, such as whether there is smoke, fire, explosion and other abnormal phenomena.

5.

Data acquisition and analysis:

- Collect and record all the data of the battery during the testing process, including temperature, voltage, current, etc..

- Analyze the thermal runaway behavior of the battery and evaluate its safety performance.

6.

End of test:

- After the short-circuit test, continue to monitor the temperature change of the battery until the temperature returns to a safe level.

- Close the test chamber, organize the test data and generate a test report.

4. equipment features

- Multi-explosion-proof design: Equipped with explosion-proof box, explosion-proof door, pressure relief device, etc. to ensure the safety of the testing process.

- High-precision control: Adopting advanced control system, it can accurately control the short-circuit trigger and environmental conditions to ensure the accuracy and reliability of the test results.

- Safety and Reliability: Equipped with multiple safety protection devices, such as fire extinguishing system, emergency stop device, etc., to ensure the safety of the testing process.

- Versatility: Applicable to various types of power batteries, including lithium-ion batteries, nickel-metal hydride batteries, lead-acid batteries and so on.

- Data processing and analysis: Built-in data processing software can automatically generate standard-compliant test reports and provide data analysis functions to facilitate strict quality assessment by quality control personnel.

- User-friendly interface: the operation interface is intuitive and easy to use, with simple parameter setting and convenient operation.

5. Application fields

Power battery short-circuit explosion-proof test chamber is widely used in the following fields:

- Electric vehicle industry: Used to evaluate the safety performance of power battery for electric vehicles under short-circuit conditions and ensure its stability under various extreme conditions.

- Energy storage systems: to test the safety performance of batteries for large-scale energy storage systems, to ensure their safety and reliability in actual use.

- Battery Manufacturing: Evaluate the safety performance of lithium-ion batteries and other types of power batteries under short-circuit conditions to ensure their safety during transportation and use.

- Quality control: Carry out quality control in the production process to ensure that battery products comply with relevant standards and customer requirements.

6. Frequently Asked Questions

Q1: What is the temperature range of power battery short circuit explosion-proof tester?

A1: The temperature range is usually from room temperature to 200C, which can be adjusted according to different testing requirements.

Q2: What are the short-circuit triggering methods?

A2: Short-circuit triggering methods include mechanical triggering (e.g. insertion of metal pins or plates) and electrochemical triggering (e.g. formation of ion channels).

Q3: What are the safety measures for the equipment?

A3: The equipment is equipped with explosion-proof box, explosion-proof door, pressure relief device, fire extinguishing system and emergency stop device to ensure the safety of the testing process.

Q4: How to analyze the test results?

A4: By analyzing the temperature change, voltage and current data of the batteries, we evaluate their thermal runaway risk and safety, and make design and material improvements based on the results.

Q5: Is the equipment easy to operate?

A5: Yes, the equipment is equipped with a user-friendly interface with simple parameter setting and easy operation. Meanwhile, the fully automated operation reduces human intervention and improves test efficiency and repeatability of results.