Complete heat capacity measurement of batteries! We present the technical documentation for the drop-type calorimeter!
This document is a technical material for a specific heat measurement module developed for measuring the Cp of large-capacity and oversized cells, featuring a thermal flow detection sensor sized at 180mm × 130mm. The measurement principle is based on a drop-type calorimeter; however, instead of using the water equivalent method that relies on the temperature rise of water and its specific heat capacity, it employs a dry method that detects heat flow from the sample to the heat sink using a thermopile. [Contents (excerpt)] ■Fig_01: Specific heat capacity measurement data from Experiment 05 ■Fig_02: Structure of the drop-type calorimeter and method for calculating Cp ■Fig_03: An example of sensitivity calibration data for heat flow detection using Joule heating ■Fig_04: Heating profile for Joule heating input type + adiabatic specific heat measurement, among others *For more details, please refer to the PDF document or feel free to contact us.
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【Other Published Content】 ■Fig_05: Al heat sink weight 263.1g, large surface area and easy to dissipate heat ■Fig_06: Al heat sink weight 263.1g, large surface area and easy to dissipate heat ■Fig_07: PMMA block size 120×80×10mm weight 116.1g, no insulation on the top ■Fig_08: PMMA block size 120×80×10mm weight 116.1g, insulation on the top *For more details, please refer to the PDF document or feel free to contact us.
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Our company works in the field of thermal safety evaluation to prevent thermal runaway accidents involving chemical substances. To achieve this, we analyze reaction kinetics parameters from thermal measurement data of a few milligrams of chemical substances and provide a measurement and analysis system that enables thermal safety evaluation when the chemical substances are scaled up to kg to 1000 kg. Additionally, we offer an evaluation system that combines isothermal microcalorimeters (IMC) for lithium-ion batteries and DSC with AKTS analysis software, allowing for comprehensive measurement of the entire battery.