Morphology Controlled Cathode Catalyst Layer with AAO Template in Polymer Electrolyte Membrane Fuel Cells

被引：0

作者：

Cho, Yoon-Hwan ^{[1
]}

Cho, Yong-Hun ^{[2
]}

Jung, Namgee ^{[1
]}

Ahn, Minjeh ^{[1
]}

Kang, Yun Sik ^{[1
]}

Chung, Dong Young ^{[1
]}

Lim, Ju Wan ^{[1
]}

Sung, Yung-Eun ^{[1
]}

机构：

[1] Seoul Natl Univ, World Class Univ, Sch Chem & Biol Engn, Program Chem Convergence Energy & Environm C2E2, Seoul 151744, South Korea

[2] Kookmin Univ, Sch Adv Mat Engn, Seoul 136702, South Korea

来源：

JOURNAL OF THE KOREAN ELECTROCHEMICAL SOCIETY | 2012年 / 15卷 / 02期

关键词：

Polymer electrolyte membrane fuel cell (PEMFC); Membrane-electrode assembly; Cathode catalyst layer; AAO template;

D O I：

10.5229/JECST.2012.15.2.109

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The cathode catalyst layer in polymer electrolyte membrane fuel cells (PEMFCs) was fabricated with anodic aluminum oxide (AAO) template and its structure was characterized with scanning electron microscopy (SEM) and Brunauer-Emmett-Teller (BET) analysis. The SEM analysis showed that the catalyst layer was fabricated the Pt nanowire with uniform shape and size. The BET analysis showed that the volume of pores in range of 20-100 nm was enhanced by AAO template. The electrochemical properties with the membrane electrode assembly (MEA) were evaluated by current-voltage polarization measurements and electrochemical impedance spectroscopy. The results showed that the MEA with AAO template reduced the mass transfer resistance and improved the cell performance by approximately 25% through controlling the structure of catalyst layer.

引用

页码：109 / 114

页数：6

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