Performance of a high Cr and Ni austenitic stainless steel bipolar plates in proton exchange membrane fuel cell working environments

Performance of a high Cr and Ni austenitic stainless steel bipolar plates in proton exchange membrane fuel cell working environments
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高铬高镍奥氏体不锈钢双极板在质子交换膜燃料电池工作环境中的性能

DOI:
10.1016/j.jpowsour.2009.06.027
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发表时间:
2009-12
影响因子:
9.2
通讯作者:
Sun, Juncai
Sun, Juncai
中科院分区:
工程技术2区
文献类型:
--
作者:
Tian, Rujin;Sun, Juncai

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研究了高铬镍奥氏体不锈钢(HCN)和316 L SS在模拟质子交换膜燃料电池环境中的电化学行为,并测量了恒电位极化前后的界面接触电阻(ICR)。两种不锈钢在质子交换膜燃料电池的阳极和阴极环境中都经历了钝化。HCN的钝化电流密度低于316L SS。恒电位极化过程中形成的钝化膜使碳纸与HCN之间的ICR增加。
Electrochemical behavior of a high Cr and Ni austenitic stainless steel (HCN) is investigated and 316L SS in a simulated proton exchange membrane fuel cell environments is also investigated, and interfacial contact resistance (ICR) is measured before and after potentiostatic polarization. Both stainless steels underwent passivation in both anode and cathode environments for proton exchange membrane fuel cell. Passive current density of HCN is lower than that of 316L SS. An increase in ICR between carbon paper and HCN results from passive film formed during the potentiostatic polarization.
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