Preferential thermal nitridation to form pin-hole free Cr-nitrides to protect proton exchange membrane fuel cell metallic bipolar plates

被引：171

作者：

Brady, MP

Weisbrod, K

Paulauskas, I

Buchanan, RA

More, KL

Wang, H

Wilson, M

Garzon, F

Walker, LR

机构：

[1] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA

[2] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

[3] Univ Tennessee, Knoxville, TN 37996 USA

[4] Natl Renewable Energy Lab, Golden, CO 80401 USA

来源：

SCRIPTA MATERIALIA | 2004年 / 50卷 / 07期

关键词：

nitrides; corrosion; electrical properties; electrochemistry; coating;

D O I：

10.1016/j.scriptamat.2003.12.028

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Preferential thermal nitridation was used to form a pin-hole defect free CrN/Cr2N surface on a model Ni-Cr alloy. Excellent corrosion resistance and negligible contact resistance increase was observed over a 4100 h exposure in 80 degreesC sulfuric acid and when used as a metallic bipolar plate in a 1000 h proton exchange membrane (PEM) fuel cell test. (C) 2003 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：1017 / 1022

页数：6

共 27 条

[1] Carbon/carbon composite bipolar plate for proton exchange membrane fuel cells [J].