Small Battery Adiabatic Calorimeter

BAC-90AE

  BAC-200AE

The BAC-90AE Small-Scale Battery Adiabatic Calorimeter is developed based on adiabatic accelerating calorimetry for battery safety testing of small lithium-ion cells. By synchronously acquiring voltage, current, capacity, temperature, pressure, and time data under various abuse conditions, it enables battery and battery-pack R&D and testing teams to perform comprehensive safety performance evaluation.


Test Parameters

Thermal runaway onset temperature | Maximum thermal runaway rate | Adiabatic temperature rise


Applications

Lithium-ion batteries

Features

Simulates an ideal adiabatic environment, enabling direct and more accurate measurement of battery thermal behavior parameters, including thermal runaway onset temperature, maximum thermal runaway rate, and adiabatic temperature rise.

 

Integrated battery charge–discharge module supports mode switching, constant-current/constant-voltage (CC/CV) charging configuration, charge/discharge current settings, and real-time battery capacity calculation.

 

Synchronous acquisition of battery voltage, current, temperature, and pressure data for analysis of current/voltage changes during the thermal runaway process.

 

Compatible with classic adiabatic accelerating calorimeter functions, enabling thermal stability evaluation of battery materials such as electrolyte.

 

Includes a heat release mode during charge and discharge, accurately reflecting heat generation and heat release rate during battery operation.

 

Provides two specific heat test modes, constant power and constant rate. A dedicated specific heat test workflow improves specific heat measurement accuracy.

 

Overpressure and overtemperature alarms with automatic furnace lid lifting for safer and more convenient operation.

 

Test standards: ASTM E1981-98, SN/T3078.1.

Specifications

Calorimeter Main Unit

Operating Environment 5–40°C, <85% RH
Temperature Control Range Ambient to 500°C
Temperature Control Modes Isothermal mode
Scanning mode
HWS mode
Specific heat constant power mode
Specific heat constant rate mode
Charge–discharge heat release mode
Temperature Detection Threshold 0.005–0.02°C/min
Temperature Tracking Rate 0.005–40°C/min
Temperature Display Resolution 0.001°C
Furnace Chamber Size Diameter 90 mm, depth 110 mm
Interface USB or RJ45
Power Supply 220 V / 50 Hz
Power Consumption ≤ 3000 W

Battery Specific Heat Test Module

Test Method Comparative method supported
Test Modes Constant power mode
Constant rate mode
Calibration Blocks Specific heat calibration blocks provided for periodic calibration

Control and Data Analysis Software Functions

Function Description
Data Transmission All device data transmitted via network for remote operation, ensuring operator safety
Data Recording Multi-dimensional data synchronized recording, supporting thermal runaway mechanism analysis under different abuse conditions
Specific Heat Calculation Supported
Thermal Analysis Thermodynamic and kinetic analysis functions supported

Pressure Measurement and Gas Collection Module (Optional)

Sealed Vessel Types 18650 cell vessel, small battery pressure-sealed vessel
Vessel Pressure Rating Better than 0–10 bar
Pressure Measurement Range 0–20,000 kPa
Pressure Resolution 1 kPa
Pressure Measurement Accuracy ≤ 0.05%
Gas Collection Function Enables collection of off-gas at different stages of battery thermal runaway for composition and combustion/explosion characteristic analysis

Charge–Discharge Management Module (Optional)

Charging Voltage Up to 5 V
Charge/Discharge Current Up to 20 A
Test Channels Up to 8 channels simultaneous measurement
Charge–Discharge Modes Constant voltage and constant current modes
Voltage and Current Monitoring Supported
Voltage Measurement Accuracy ±0.1% FS
Current Measurement Accuracy ±0.1% FS
SOC Estimation Supported
Operating Mode Setup and Data Interface RJ45

 

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