Effect of hydrogen partial pressure on a polymer electrolyte fuel cell performance

Jae Young Lee, Jiyong Joo, Jae Kwang Lee, Sunghyun Uhm, Eon Soo Lee, Jae Hyuk Jang, Nam Ki Kim, Yong Chul Lee, Jaeyoung Lee

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


We first investigated the effect of partial pressure of hydrogen (H2) on the performance of polymer electrolyte fuel cells (PEFCs) by controlling the ratio of hydrogen and nitrogen (N2). The cell performance with Pt/C anode was significantly decreased with reduction of the partial pressure of H2 in the presence of carbon monoxide (CO), while the performance variation was negligible in the absence of CO. Severe CO poisoning on Pt/C electrode at low partial pressure of H2 might be attributed to the hindering effect by N2 and CO. On the other hand, PtRu/C anode showed consistent power performance even at low partial pressure of H2.

Original languageEnglish (US)
Pages (from-to)843-847
Number of pages5
JournalKorean Journal of Chemical Engineering
Issue number3
StatePublished - 2010
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • General Chemical Engineering


  • CO
  • H/N Ratio
  • PEM Fuel Cells
  • Recovery Test
  • Reforming Gas


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