Electronics and Telecommunications Trends (전자통신동향분석)

Electronics and Telecommunications Research Institute (한국전자통신연구원)
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Technology Trends in Post-Lithium Secondary Batteries

포스트 리튬 이차전지 기술 동향

  • Y.H. Choi ;
  • H.S. Chung
  • 최윤호 (전략기술기획실) ;
  • 정형석 (전략기술기획실)
  • Published : 2023.12.01
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Abstract

Lithium accounts for only 0.0017% of the earth crust, and it is produced in geographically limited regions such as South America, the United States, and China. Since the first half of 2017, the price of lithium has been continuously increasing, and with the rapid adoption of electric vehicles, lithium resources are expected to be depleted in the near future. In addition, economic blocs worldwide face intensifying scenarios such as competition for technological supremacy and protectionism of domestic industries. Consequently, Korea is deepening its dependence on China for core materials and is vulnerable to the influence of the United States Inflation Reduction Act. We analyze post-lithium secondary battery technologies that rely on more earth-abundant elements to replace lithium, whose production is limited to specific regions. Specifically, we focus on the technological status and issues of sodium-ion, zinc-air, and redox-flow batteries. In addition, research trends in post-lithium secondary batteries are examined. Post-lithium secondary batteries seem promising for large-capacity energy storage systems while reducing the costs of raw materials compared with existing lithium-based technologies.

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Acknowledgement

이 논문은 한국전자통신연구원 내부연구사업 기획·정책연구사업[미래 선도를 위한 혁신 ICT 기술 발굴 및 기획 연구, 23YE1100]의 논문임.

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