Overview

This document details the specifications and operational procedures for a Lithium Battery Direct Cooling Test Machine designed to evaluate the thermal management and performance of lithium batteries under controlled cooling conditions.

Specifications

• Cooling Method: Direct cooling system applied to lithium battery cells to simulate real-world thermal conditions.
• Temperature Range: Precise control typically from -20°C to 60°C to cover various operational scenarios.
• Test Capacity: Supports multiple battery sizes and configurations with adaptable fixtures.
• Measurement Parameters: Voltage, current, temperature, and capacity (mAh) monitored in real-time.

Testing Procedures

• Preparation: Batteries are installed in the cooling chamber with sensors attached for accurate data collection.
• Cooling Cycle: The machine applies direct cooling while cycling the battery through charge and discharge phases.
• Data Acquisition: Continuous monitoring of battery performance metrics to assess thermal effects on capacity and safety.
• Post-Test Analysis: Data is analyzed to identify performance degradation, thermal runaway risks, and efficiency under cooling conditions.

Standards and Compliance

The machine and testing protocols comply with international standards such as IEC 62660 and UL 2580 for lithium battery safety and performance testing.

Recommendations and Best Practices

• Ensure proper calibration of temperature sensors before each test.
• Use batteries within specified size and chemistry limits to avoid damage.
• Maintain consistent environmental conditions to ensure repeatability.
• Regularly inspect cooling system components to prevent leaks or malfunctions.

Summary of Key Data

Test results typically include capacity retention (mAh), temperature profiles during cycling, and voltage stability under cooling. These metrics help in optimizing battery design and cooling strategies for enhanced safety and longevity.