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Issue
Korean Chemical Engineering Research,
Vol.51, No.5, 556-560, 2013
고분자전해질 연료전지용 Poly(arylene ether sulfone) 막의 특성
Characteristics of Poly(arylene ether sulfone) Membrane for Proton Exchange Membrane Fuel Cells
정재진, 신용철, 이무석, 이동훈, 나일채, 이호, 박권필
최근에 저가의 고분자전해질 연료전지(Proton Exchange Membrane Fuel Cells, PEMFC)용 비불소계 전해질 막 연구개발이 활발히 진행되고 있다. 본 연구에서는 PEMFC 운전 조건에서 Poly(arylene ether sulfone)(PAES) 막과 불소계막의 특성을 비교하였다. I-V 분극곡선, 수소투과도, 전기화학적 표면적, 막저항 및 부하 전달 저항 등을 측정·분석했다. PAES 막은 상대습도 100%에서는 불소계 막과 비슷한 성능을 보였으나 낮은 상대습도에서 이온전도도가 낮아 성능감소가 컸다.
Recently, there are many efforts focused on development of more economical non-fluorinated membranes for use in PEMFCs (Proton Exchange Membrane Fuel Cells). In this study, characteristics of poly(arylene ether sulfone)(PAES) were compared with fluorinated membrane at PEMFC operation condition. I-V polarization curve, hydrogen crossover, electrochemical surface area, membrane resistance and charge transfer resistance were measured. PAES membrane showed similar performance compared with fluorinated membrane at 100% relative humidity, but the performance of PAES membrane decreased largely due to low ionic conductivity at low relative humidity.
Keywords: PEMFC; Poly(arylene ether sulfone); Non-fluorinated Membranes; Relative Humidity; Ionic Conductivity
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[Cited By]
  1. Jeong JH, Song MH, Chung HB, Lee MS, Lee DH, Chu CH, Na IC, Park KP, Korean Chemical Engineering Research, 53(6), 690, 2015
  2. Lee HR, Lee SH, Hwang BC, Na IC, Lee JH, Oh SJ, Park KP, Korean Chemical Engineering Research, 54(2), 181, 2016
  3. Lee HR, Lee SH, Hwang BC, Na IC, Lee JH, Oh SJ, Park KP, Korean Chemical Engineering Research, 54(3), 305, 2016
  4. Lee SH, Mun JY, Kim YS, Chu CH, Na IC, Lee JH, Lee MS, Lee DH, Park KP, Korean Chemical Engineering Research, 54(4), 453, 2016
  5. Hwang B, Chung HB, Lee MS, Lee DH, Park K, Korean Chemical Engineering Research, 54(5), 593, 2016
  6. Lee HR, Na IC, Oh SJ, Park KP, Korean Chemical Engineering Research, 55(3), 296, 2017
  7. Hwang BC, Lee SH, Na IC, Park KP, Korean Chemical Engineering Research, 55(4), 478, 2017
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