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Introduction

Adiabatic Calorimetry provides vital thermal data in battery development, safety, performance, efficiency and life. It uses a “heat-wait-seek” (HWS) protocol, which is slower but more accurate than simple temperature scans, to detect exothermic reactions. The ARC can handle various tests, such as short circuit, overcharge, nail penetration, and crush, under adiabatic conditions. It provides comprehensive data on temperature and pressure events during thermal runaway, aiding in the development of safer and more efficient lithium batteries. The system is robust, with features like automatic door locks, exhaust systems, and explosion-proof steel casing.

Specification

Chamber dimensions: 10cm diameter x 10cm depth; Depth increased to 12.5cm with collar

Temperature range: Ambient* to 550°C

Thermocouple specification: N; Resolution 0.001°C
No. of heaters: 8

Pressure measurement range: 0-200 bar

Sensitivity: 0.005°C/min

Control modes: Adiabatic, Ramping, Isoperibolic, Step Isothermal

Dimensions (L x W x H): 80cm x 70cm x 167cm (Electronics Unit and Blast Box)

Options

·    OSU

·    CPU - Automatic specific heat capacity measurement

·    ICU - Integrated single channel battery cycler

·    SSS - Single sample gas collection during or after test into collection vessel

·    SSU - Gas collection, multi samples

·    MPO - Multipoint thermocouple for spatial distribution measurement

·    P-NPCO - Pneumatic nail penetration and crush

·    RDCS - Rapid data collection system

·    LNFO - Liquid nitrogen flow for low temperature application

·    PRU - Pneumatic raising and lowering of calorimetrer lid

·    UPS - Maintains operation in the event of power failure