Prospectives of Industrial Chemistry (공업화학전망)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
권호 표지

The Aapplication of Ionic Liquid Electrolyte for Lithium Ion Batteries

상온 이온성 액체의 리튬 이차 전지 전해질로써의 적용

  • Kim, Jineun (Department of Energy and Chemical Engineering, Incheon National University) ;
  • Mun, Junyoung (Department of Energy and Chemical Engineering, Incheon National University)
  • 김진은 (인천대학교 에너지화학공학과) ;
  • 문준영 (인천대학교 에너지화학공학과)
  • Published : 2020.02.28

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Abstract

최근 전기차, 신재생에너지 등장 등으로 중대형 이차전지 시장이 확대되면서, 리튬 이온 배터리 안전성 이슈 관련 고안전성 전해액 소재에 대한 관심이 높아졌다. 다양한 고안전성 전해액 시스템 중, 상온 이온성 액체는 비발화성, 낮은 증기압 특성으로 많은 관심을 받고 있다. 뛰어난 물리적 특성에도 불구하고 리튬 이온 배터리의 전해액으로 사용되기 위해서는 전도도 및 전기화학 안전성, 전극 계면 거동이 전기화학 성능을 얻는데 만족되어야 한다. 많은 종류의 상온 이온성 액체들이 분자 구조 설계 및 양극/음극 전해액 사용, 전지 내 부품 안전성 확보 등의 다양한 접근 방법들로 연구가 진행되어 왔다. 향후 지속적인 전지 안전성의 이슈에 대한 중요성 증대로 상온 이온성 액체에 대한 연구 역시 더 활발해질 것으로 기대되며, 본 기고문에서는 다양한 상온 이온성 액체들이 전지 시스템에 적용된 연구동향에 대해서 정리하고 소개하고자 한다.

Keywords

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