Introduction: The BIC-400A battery isothermal calorimeter is a calorimeter developed based on the isothermal principle for testing the thermal characteristics of various types of single cells. It extends the application of isothermal calorimetry technology to the field of battery thermal safety research by integrating functions such as temperature control, battery charge and discharge control, battery heat absorption and release measurement, and battery specific heat capacity measurement. The BIC-400A large-scale battery adiabatic calorimeter collects battery voltage, current, power, and time data at various temperatures simultaneously, and integrates battery charging and discharging heat generation and specific heat capacity test functions, which can help battery and battery pack R&D and test personnel to achieve complete Evaluation of battery thermal characteristics in azimuth. The instrument is easy to operate, the experiment starts and runs smoothly, the experiment data is collected accurately, and the data analysis is reliable. Features: 1) In an isothermal environment, the power compensation method can be used to more accurately measure the thermal behavior parameters such as the heat absorption and release power, the total heat absorption and release, and the maximum heat release power during the charging and discharging process of the battery. 2) With instrument calibration mode, it can calibrate the measurement accuracy of charge and discharge thermal behavior parameters under different conditions 3) Equipped with heat capacity measurement mode, adopts the contrast method to measure the heat capacity, reduces the heat capacity test operation requirements, and can accurately measure the heat capacity of the battery at different temperatures 4) The integrated battery charging and discharging module can realize charging and discharging mode switching, constant current/constant voltage charging mode setting, charging/discharging current setting, and real-time battery power calculation 5) Equipped with main control software, multi-dimensional data synchronous recording. Equipped with data processing software, easy to get various thermal characteristic parameters and curves 6) All equipment data transmission is realized through the network, remote control, to ensure the safety of experimenters 7) It can synchronously record the voltage, current and temperature data of the battery during the charging and discharging process 8) Configurable nitrogen replacement module, 5~25L/min adjustable gas flow Technical parameter: Working environment: (5~40)℃, <85%RH Oil bath temperature control range: -40℃~100ºC (the temperature control range is related to the oil bath) Experimental mode: isothermal mode, specific heat capacity mode Temperature stability: ±0.005℃ Temperature resolution: 0.001℃ Measurable battery size: L340mm*W230mm*H100mm (square/soft case/18650/21700/26650 battery measurement) Maximum compensation power: 200W Calorimetric sensitivity: 0.01W Accuracy of heat absorption and release enthalpy: ±1% Baseline noise: 0.01W Heating channel: 2 channels as standard Temperature measurement channel: standard 8 channels Power: 1000W Charging and discharging current range: -400A~400A (the test range is related to the charging and discharging equipment provided) Charge and discharge voltage range: 0-5V
Introduction: The BIC-400A battery isothermal calorimeter is a calorimeter developed based on the isothermal principle for testing the thermal characteristics of various types of single cells. It extends the application of isothermal calorimetry technology to the field of battery thermal safety research by integrating functions such as temperature control, battery charge and discharge control, battery heat absorption and release measurement, and battery specific heat capacity measurement. The BIC-400A large-scale battery adiabatic calorimeter collects battery voltage, current, power, and time data at various temperatures simultaneously, and integrates battery charging and discharging heat generation and specific heat capacity test functions, which can help battery and battery pack R&D and test personnel to achieve complete Evaluation of battery thermal characteristics in azimuth. The instrument is easy to operate, the experiment starts and runs smoothly, the experiment data is collected accurately, and the data analysis is reliable.