Current Photovoltaic Research

  • 제13권4호
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  • Pages.200-211
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  • 2025
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  • 2288-3274(pISSN)
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  • 2508-125X(eISSN)
한국태양광발전학회 (Korea Photovoltaic Society)
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차세대 에너지 저장 시스템을 위한 수계 아연 - 아이오딘 배터리의 연구 동향

Research Trends of Aqueous Zinc-Iodine Batteries for Advanced Energy Storage Systems

  • 유지훈 (에너지공학부, 한국에너지공과대학교) ;
  • 임윤구 (에너지공학부, 한국에너지공과대학교) ;
  • 정경화 (에너지공학부, 한국에너지공과대학교) ;
  • 김일구 (닐사이언스) ;
  • 박경욱 (닐사이언스) ;
  • 윤영훈 (에너지리사이클링학과, 동신대학교) ;
  • 심욱 (에너지공학부, 한국에너지공과대학교)
  • Jihun Yoo (Hydrogen Energy Technology Laboratory, Korea Institute of Energy Technology (KENTECH)) ;
  • Yoongu Lim (Hydrogen Energy Technology Laboratory, Korea Institute of Energy Technology (KENTECH)) ;
  • Gyoung Hwa Jeong (Hydrogen Energy Technology Laboratory, Korea Institute of Energy Technology (KENTECH)) ;
  • Il Goo Kim (Research Institute, NEEL Sciences, INC.) ;
  • Kyung Wook Park (Research Institute, NEEL Sciences, INC.) ;
  • Young-Hoon Yun (Department of Energy Recycling, Dongshin University) ;
  • Uk Sim (Hydrogen Energy Technology Laboratory, Korea Institute of Energy Technology (KENTECH))
  • 투고 : 2025.09.13
  • 심사 : 2025.10.23
  • 발행 : 2025.12.31
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⟨ 이전 논문 다음 논문 ⟩

초록

The transition to sustainable energy systems requires next-generation rechargeable batteries that ensure high safety, energy density, and cost-effectiveness. Among emerging candidates, aqueous zinc-iodine (Zn-I2) batteries have gained attention owing to material abundance, intrinsic safety, and promising electrochemical performance. Iodine is abundant in seawater (55 ㎍ L-1) and delivers a high theoretical capacity of 211 mAh g-1, while zinc offers a low redox potential and large storage capacity. Despite these merits, several inherent challenges limit practical application. The dissolution of polyiodide species and the resulting shuttle effect cause self-discharge and low Coulombic efficiency, while the zinc anode suffers from dendrite growth and side reactions such as hydrogen evolution. To address these issues, various strategies have been proposed, including cathode host design, electrolyte engineering, and anode stabilization. These approaches aim to suppress shuttle effects, regulate interfacial reactions, and promote uniform zinc deposition, thereby contributing to improved redox kinetics, higher Coulombic efficiency, and enhanced cycling stability. This review summarizes recent progress in Zn-I2 batteries and provides insights into rational design directions toward long-life, high-performance energy storage systems.

키워드

과제정보

본 논문은 2025년도 산업통상자원부 및 산업기술기획평가원(KEIT)의 지원을 받아 수행된 연구입니다('20018075'). 본 논문은 2025년도 교육부 및 전라남도의 재원으로 전라남도RISE센터의 지원을 받아 수행된 지역혁신중심 대학지원체계(RISE)의 결과입니다(2025-RISE-14-004).

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