Performance and long-term stability of Ti metal and stainless steels as a metal bipolar plate for a direct methanol fuel cell

被引：28

作者：

Park, Young-Chul ^{[1
,2
]}

Lee, Se-Hee ^{[1
,3
]}

Kim, Sang-Kyung ^{[1
]}

Lim, Seongyop ^{[1
]}

Jung, Doo-Hwan ^{[1
]}

Lee, Dok-Yol ^{[2
]}

Choi, Se-Young ^{[3
]}

Ji, Hyunjin ^{[4
]}

Peck, Dong-Hyun ^{[1
]}

机构：

[1] Korea Inst Energy Res, Taejon 305343, South Korea

[2] Korea Univ, Dept Adv Mat Engn, Seoul 136705, South Korea

[3] Yonsei Univ, Dept Mat Sci & Engn, Seoul 120749, South Korea

[4] Agcy Def Dev, Neo Technol & Energy R&D Inst, Taejon 305600, South Korea

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2010年 / 35卷 / 09期

关键词：

Direct methanol fuel cell; Metal bipolar plate; Corrosion resistance; Cell performance; Long-term stability; DEGRADATION; COST;

D O I：

10.1016/j.ijhydene.2010.02.010

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this study, STS 316L (Stainless Steel 3161), STS 430, and Ti metal are investigated as metal bipolar plates for a direct methanol fuel cell (DMFC). The corrosion resistance of these materials is investigated by potentiodynamic and chronoamperometry tests. Their cell performance and long-term stability are then studied under a real fuel cell test. The corrosion resistance of the metal bipolar plates is in the order of Ti > STS 316L> STS 430. However, the results of the real fuel cell test differ from the results of the corrosion resistance. Ti shows the lowest performance due to a sharp performance decrease in ohmic loss regions, while STS 430 shows a lower performance decrease in ohmic loss regions. Although STS 430 has less resistance to corrosion than STS 316L in the simulated environment, STS 430 performs better as a metal bipolar plate for a DMFC than STS 316L, particularly, with regard to cell performance, cell resistance, and durability. (C) 2010 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.

引用

页码：4320 / 4328

页数：9

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