Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Competitiveness of Formic Acid Fuel Cells: In Comparison with Methanol

포름산 연료전지의 경쟁력

  • Uhm, Sunghyun (Advanced Materials and Processing Center, Institute for Advanced Engineering) ;
  • Seo, Minhye (Advanced Materials and Processing Center, Institute for Advanced Engineering) ;
  • Lee, Jaeyoung (Ertl Center for Electrochemistry and Catalysis, School of Environmental Science and Engineering, GIST)
  • 엄성현 (고등기술연구원 신소재공정센터) ;
  • 서민혜 (고등기술연구원 신소재공정센터) ;
  • 이재영 (광주과학기술원 환경공학부, Ertl실용촉매연구센터)
  • Received : 2016.02.29
  • Accepted : 2016.03.21
  • Published : 2016.04.10
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Abstract

Methanol fuel cells having advantages of relatively favorable reaction kinetics and higher energy density have attracted increasing interests as best alternative to hydrogen fuel cell because of H2 production, storage and distribution issues. While there have been extensive research works on developing key components such as electrocatalysts as well as their physicochemical properties in practical formic acid fuel cells, there have also been urgent requests for investigating which fuel sources will be more suitable for direct liquid fuel cells in future. In this mini-review, we highlight the overall interest and outlook of formic acid fuel cells in terms of electrocatalysts, fuel supply and crossover, water management, fuel cell efficiency and system integration in comparison with methanol fuel cells.

메탄올 연료전지는 수소의 제조, 저장 및 운반에 대한 기술적, 재정적 문제로 인해 개발이 촉발되어 에너지밀도가 높은 연료라는 장점으로 포름산 연료전지에 비해 활발히 연구가 진행되어 왔다. 하지만, 포름산 연료전지에 대해서도 전극촉매를 비롯한 핵심부품의 개발 및 연료의 물질전달 특성 등에 대한 연구가 지속적으로 수행되면서 액체 연료전지로써 보다 적합한 연료가 무엇인가에 대해서 실질적인 비교분석이 필요하게 되었다. 본 논문에서는 포름산과 메탄올 연료전지에 대하여 전극촉매, 연료 확산, 크로스오버, 물 관리, 효율, 시스템 구성 측면에서 연구개발 동향을 소개하며 향후 전망에 대해서 고찰하고자 한다.

Keywords

References

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