Corrosion behavior of three bipolar plate materials in simulated SPE water electrolysis environment

被引：40
|
作者：
Wang, Jun-Tao [1 ]
Wang, Wei-Wei [2 ]
Wang, Cheng [1 ]
Mao, Zong-Qiang [1 ]
机构：
[1] Tsinghua Univ, Inst Nucl & New Energy Technol, Beijing 100084, Peoples R China
[2] Luoyang Ship Mat Res Inst, State Key Lab Marine Corros & Protect, Qingdao 266101, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2012年 / 37卷 / 17期
关键词：
Corrosion; Electrochemical impedance; spectrum; SPE water electrolysis; Bipolar plates; STAINLESS-STEEL; COMPOSITE; HYDROGEN;
D O I：
10.1016/j.ijhydene.2012.04.146
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：
The corrosion behavior of titanium (TA2), boron-doped diamond (BDD) coated titanium and mixed metal oxide (MMO) coated titanium were studied using electrochemical impedance spectrum (EIS) in simulated solid polymer electrolyte (SPE) water electrolyte conditions at 80 degrees C. At imposed anodic potential, after about 240 h electrolysis, the bigger capacitance and reaction resistance values were observed for MMO coated titanium material, which demonstrated that MMO coated titanium has more corrosion-resistance performance. SEM photos showed that ten days electrolysis don't do much harm to MMO coated titanium material in simulated SPE water electrolysis environment. Copyright (c) 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：12069 / 12073
页数：5
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