Recording of Thursday, June 20, 2024 | The smarter E Europe 2024 | Exhibition Program | Language: English | Duration: 8:55 .
Paulius Juskevicius from Littelfuse discusses their innovative approach to thermal management in batteries. Known for hardware that protects batteries, such as fuses and temperature sensors, Littelfuse is now enhancing battery safety by introducing the T-Tape device. This distributed temperature monitoring device has multiple sensing points per string and can monitor up to 50 cells, offering a comprehensive view of each cell's temperature. Traditional methods use NTC (Negative Temperature Coefficient) thermistors at specific points within the battery module, but these do not cover all cells equally, potentially leading to delayed detection of issues like thermal runaway—a critical concern affecting battery lifetime, power efficiency, and safety. The T-Tape addresses these inefficiencies with its customizable design suitable for various cell sizes and types. It provides faster response times—up to two seconds quicker than traditional NTCs—and maintains consistent monitoring across all cells. The easy-to-install tape integrates seamlessly with existing Battery Management Systems (BMS), enhancing overall system redundancy and reliability without requiring significant modifications. In conclusion, Paulius Juskevicius emphasizes that this new solution offers superior coverage and speed in detecting thermal anomalies compared to conventional measures while being simple to install on automotive or ESS modules.
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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.