Enhanced performance of Ti-Nb-N film modified 316L stainless steel and Ti bipolar plates for proton exchange membrane water electrolyser

被引：0
|
作者：
Yu, Zhongxiu [1 ]
Luo, Xiejing [1 ]
Chang, Luqi [1 ]
Ding, Yingyu [1 ]
Yao, Jizheng [2 ]
Deng, Zhanfeng [2 ]
Dong, Chaofang [1 ]
机构：
[1] Univ Sci & Technol Beijing, Inst Adv Mat & Technol, Sch Adv Engn, Key Lab Corros & Protect,MOE, Beijing 100083, Peoples R China
[2] Beijing Inst Smart Energy, Beijing 102209, Peoples R China
来源：
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T | 2024年 / 33卷
基金：
中国国家自然科学基金;
关键词：
Proton exchange membrane; Water electrolyser; Bipolar plates; Corrosion; CORROSION BEHAVIOR;
D O I：
10.1016/j.jmrt.2024.09.159
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Proton exchange membrane water electrolyser (PEMWE) is crucial for contemporary hydrogen generation technology. However, the corrosion of bipolar plates (BPPs) poses a significant challenge primarily due to the high anodic potential and acidic environments throughout the operation. This study compares the performance of the innovative Ti-Nb-N film modified 316L stainless steel and Ti bipolar plates under simulated PEMWE operating conditions. Interfacial contact resistance (ICR) experimental results confirm that the Ti-Nb-N film significantly reduces the ICR of the modified Ti plates and 316L stainless steel by approximately 77.7% and 91.0% respectively. According to the polarization tests, the E corr of the modified 316L stainless steel and Ti plates shows positive shifts, increasing by 318.49 mV and 376.64 mV, respectively. The Ti-Nb-N film modified 316L stainless steel plates are durable up to 1.4 V (vs. Ag/AgCl), while modified Ti plates maintain performance up to 1.8 V (vs. Ag/AgCl).
引用
收藏
页码：2478 / 2488
页数：11
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