Electronics and Telecommunications Trends (전자통신동향분석)

Electronics and Telecommunications Research Institute (한국전자통신연구원)
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Technologies for Next-Generation Metal-Ion Batteries Based on Aqueous Electrolytes

수계전해질기반 차세대 금속이온전지 기술

  • D.O. Shin ;
  • J. Choi ;
  • S.H. Kang ;
  • Y.S. Park ;
  • Y.-G. Lee
  • 신동옥 (스마트소재연구실) ;
  • 최재철 (스마트소재연구실) ;
  • 강석훈 (스마트소재연구실) ;
  • 박영삼 (스마트소재연구실) ;
  • 이영기 (스마트소재연구실)
  • Published : 2024.02.01
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Abstract

There have been continuous requirements for developing more reliable energy storage systems that could address unsolved problems in conventional lithium-ion batteries (LIBs) and thus be a proper option for large-scale applications like energy storage system (ESS). As a promising solution, aqueous metal-ion batteries (AMIBs) where water is used as a primary electrolyte solvent, have been emerging owing to excellent safety, cost-effectiveness, and eco-friendly feature. Particularly, AMIBs adopting mutivalence metal ions (Ca2+, Mg2+, Zn2+, and Al3+) as mobile charge carriers has been paid much attention because of their abundance on globe and high volumetric capacity. In this research trend review, one of the most popular AMIBs, zinc-ion batteries (ZIBs), will be discussed. Since it is well-known that ZIBs suffer from various (electro) chemical/physical side reactions, we introduce the challenges and recent advances in the study of ZIBs mainly focusing on widening the electrochemical window of aqueous electrolytes as well as improving electrochemical properties of cathode, and anode materials.

Keywords

Acknowledgement

이 논문은 한국전자통신연구원 내부연구과제 미래원천 창의전문연구실[23YB2600, 비리튬자원기반 차세대 수계형 다가 금속이온전지 원천기술 개발] 사업의 지원을 받아 수행한 결과임.

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