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Updated: Sep 24, 2025
07:55
Elemental-sensitive Detection of the Chemistry in Batteries through Soft X-ray Absorption Spectroscopy and Resonant Inelastic X-ray Scattering
Published on: April 17, 2018
12.9K
In-situ electronics and communications for intelligent energy storage
Joe Fleming1, Tazdin Amietszajew1, Alexander Roberts1
1Coventry University, United Kingdom.
Hardwarex
|May 5, 2022
Summary
Researchers developed novel miniature electronics for in-situ cell-level monitoring in lithium-ion batteries. This enhances safety and performance in critical applications by enabling direct cell data communication without extra wiring.
Area of Science:
- Materials Science
- Electrical Engineering
- Electrochemistry
Background:
- Lithium-ion batteries are crucial for high-power, safety-critical applications like aerospace and automotive systems.
- Current Battery Management Systems (BMS) often monitor only a fraction of cells, compromising safety and reliability.
- Existing monitoring methods are insufficient for demanding high-power applications.
Purpose of the Study:
- To develop and demonstrate novel miniature electronic devices for in-situ, cell-level monitoring of lithium-ion batteries.
- To enable direct, localized data communication between cells and the BMS without additional wiring.
- To improve the safety, reliability, and performance monitoring of battery packs.
Main Methods:
- Development of miniature electronic devices for in-situ integration at the cell level during battery manufacture.
- Hardware and firmware integration within the cell's electrode stack.
- Testing functionality post-cell formation, through cycling, and via electrochemical impedance analysis.
Main Results:
- Demonstrated successful in-situ operation of integrated electronics within the cell's electrode stack.
- Confirmed functioning through various battery lifecycle stages, including cycling and impedance analysis.
- Showcased negligible impact of the electronics on overall cell performance.
Conclusions:
- The proposed approach offers a new technique for active, in-situ monitoring of cell conditions.
- This method enables enhanced cell characterization and monitoring for optimal performance and improved system safety.
- Facilitates advanced battery management strategies for safety-critical applications.
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