Analysis of Battery Thermal Runaway Using an Accelerating Rate Calorimeter (ARC) - Real-world Cases

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Recording of Thursday, June 20, 2024 | The smarter E Europe 2024 | Exhibition Program | Language: English | Duration: 10:02 .

Dr. Lei Pi on Accelerating Rate Calorimetry (ARC) Testing for Battery Safety and Stability

Dr. Lei Pi from Shenzhen Precise Testing, a third-party battery testing lab in Shenzhen, China, presented on the topic of Accelerating Rate Calorimetry (ARC) testing for batteries. ARC is used to simulate environments where heat cannot escape from test samples like batteries and materials, crucial for understanding thermal behaviors under working conditions—particularly during failures when heat buildup can be self-reinforcing. Key aspects covered include: - Equipment Setup: The ARC chamber maintains an adiabatic environment to closely mimic real-world scenarios. - Testing Parameters: Important parameters such as sensitivity, maximum sampling frequency, and current monitoring capabilities were highlighted. - Use Cases: - Adiabatic heating tests monitor how heated batteries behave thermally. - Power production assessments evaluate energy output. - Tests also gauge specific heat capacities of various samples by measuring temperature changes. Lai discussed key points in analyzing thermal behavior including T0 (start of self-heating), T1 (end of stable heating), and Tmax (maximum temperature). Findings indicated that LFP batteries are generally more stable due to higher T0 and lower Tmax values. Additionally, smaller batteries showed more consistent thermal stability compared to larger ones. Lastly, Lai mentioned analyzing test failures for providing insights and recommendations based on the results obtained through ARC testing procedures.

Automatisierte Zusammenfassung durch AI Conver

Talk of session: Is my Battery OK? Unlocking Insights with Cutting-Edge Diagnostics

This session geared toward energy storage manufacturers will be full of valuable insights on the topic of battery diagnostics. It will be led In cooperation with VDMA, and PEM of RWTH Aachen.

Further Talks of this session:

Manage 1st and 2nd Life Batteries Profitably and Safely

To Talk

The Journey from Ideal Models to Real-World Battery Diagnostics - Challenges and Solutions

To Talk

Enhancing Battery Performance with Distributed Temperature Monitoring

To Talk

Creating the World's Leading Battery Analaytics, Takeback & Trading Technology

To Talk

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