Journal of IKEEE (전기전자학회논문지)

Institute of Korean Electrical and Electronics Engineers (한국전기전자학회)
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Battery swelling detection system based on adaptive resistance change on battery pack surface

적응적 배터리 팩 피막 저항 변화 감지를 통한 배터리 스웰링 감지 기법

  • Received : 2022.11.22
  • Accepted : 2023.03.20
  • Published : 2023.03.31
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Abstract

Recently, as the era of the 4th Industrial Revolution approaches, IoT devices that emphasize portability are increasing. At the same time, battery usage is also increasing rapidly. With the rapid increase in battery usage, issues related to battery safety have become inevitable problems and many studies have been conducted. This paper deals with explosion issues caused by swelling among various battery issues, and includes research and development of a system that detects battery swelling by identifying resistance changes. The core technology of this study is to develop a system that frequently detects changes in the resistance of wires drawn on the battery through changes in volume that occur when the battery swelling, and uses the resistance changes to prevent battery explosion. In addition, through pattern analysis, it was analyzed how the wire should be constructed to cause a lot of resistance changes.

최근 4차 산업혁명 시대가 다가오면서 휴대성을 강조한 IoT 기기가 늘고 있다. 동시에 배터리 사용량도 급증하고 있다. 배터리 사용량이 증가하면서 배터리 안전과 관련된 이슈는 피할 수 없는 문제가 되었고, 많은 연구가 이뤄졌다. 본 논문은 다양한 배터리 문제 중 팽창으로 인한 폭발 문제를 다루고 있으며, 저항 변화를 파악하여 배터리 팽창을 감지하는 시스템의 연구 및 개발을 포함하고 있다. 이번 연구의 핵심기술은 배터리가 팽창할 때 발생하는 부피 변화를 배터리에 그려진 전선의 저항 변화를 이용해 배터리 폭발을 방지하는 시스템을 개발하는 것이다. 또한 패턴분석을 통해 어떤 형태로 전선을 구성하여야 저항 변화가 많이 일어나는지 분석하였다.

Keywords

Acknowledgement

This work was supported by the National Research Foundation of Korea(NRF) grant funded by the Korea government(MSIT) (NO. RS-2023-00208046)

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