화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.18, No.3, 876-879, May, 2012
DOI10.1016/j.jiec.2012.01.019  Export Citation
Performance enhancement of polymer electrolyte membrane fuel cell by employing line-patterned Nafion membrane
Jin Woo Bae, Yong-Hun Cho1, Yung-Eun Sung, Kyusoon Shin, and Jae Young Jho†
  • School of Chemical and Biological Engineering, Seoul National University, Seoul 151-742, Republic of Korea
  • 1School of Advanced Materials Engineering, Kookmin University, Seoul 136-702, Republic of Korea
E-mail:
On purpose to enhance the performance of polymer electrolyte membrane fuel cell, micrometer- to nanometer-scale line patterns were introduced onto the electrolyte membrane using thermal imprint lithography. Single cell performance test and electrochemical analysis were conducted for the membrane electrode assembly containing patterned and pristine Nafion membranes. At a cell voltage of 0.6 V, current density of the single cells containing micro-patterned membrane was larger by as large as 30% than that of the single cell containing untreated membrane. The performance enhancement appeared to result from the enlarged membrane/catalyst interfacial area. The performance of single cell containing nano-patterned membrane was lower than that containing pristine membrane, which is due to the poor interfacial contact between large catalyst particles and small gaps of the pattern.
Keywords:Polymer electrolyte membrane fuel cell;Thermal imprint lithography;Nafion;Line-pattern;Three-phase boundary
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