Transactions of the Korean hydrogen and new energy society (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Series Stacking Techniques of Electrochemical Hydrogen Compressors

전기화학식 수소 압축기 직렬 스택 기술

  • SANG HOON CHO (Department of Mechanical Engineering, Chung-Ang University Graduate School) ;
  • CHANG JONG KIM (Department of Mechanical Engineering, Chung-Ang University Graduate School) ;
  • MIN SOO KIM (QSF Inc.) ;
  • DONG KYU KIM (Department of Mechanical Engineering, Chung-Ang University Graduate School)
  • 조상훈 (중앙대학교 대학원 기계공학과) ;
  • 김창종 (중앙대학교 대학원 기계공학과) ;
  • 김민수 ((주)큐에스에프) ;
  • 김동규 (중앙대학교 대학원 기계공학과)
  • Received : 2024.03.11
  • Accepted : 2024.04.19
  • Published : 2024.04.30
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Abstract

The electrochemical hydrogen compressor was run under diverse operating conditions in order to probe its capabilities and limitations. It was found that, unlike single-cell operations, the electrochemical hydrogen compressor stack performance improved with a rise in temperature. This improvement in performance was attributed to the gradual weakening of the electro-osmotic drag over time, impacting membrane resistance. As a result of these experiments, compression levels, up to an impressive 120 bar, using the electrochemical hydrogen serial stack were achieved.

Keywords

Acknowledgement

This work was also supported by a National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. NRF-2022R1 C1C1010338).

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