用于燃料电池双极板的不锈钢成分优化

黄一川, 王清, 张爽, 董闯, 吴爱民, 林国强

Optimization of Stainless Steel Composition for Fuel Cell Bipolar Plates

HUANG Yichuan, WANG Qing, ZHANG Shuang, DONG Chuang, WU Aimin, LIN Guoqiang

表8 酸钝化和电化学氮化后设计合金的界面接触电阻

Table 8 Interfacial contact resistance (ICR) of the designed and reference alloys after acid passivation and electrochemical nitridation

Cluster Passivation method ICR / (Ω·cm2) (0.064 MPa) Before After [Ni-Fe12]Cr3 Acid passivation 0.26 1.16 [Ni-Fe11.5Ni0.5]Cr3 Acid passivation 0.27 1.12 [Ni-Fe11Ni]Cr3 Acid passivation 0.41 1.10 [Ni-Fe10.5Ni1.5]Cr3 Acid passivation 0.46 1.04 Electrochemical nitriding 0.46 1.07 [Ni-Fe10Ni2]Cr3 Acid passivation 0.51 0.99 Electrochemical nitriding 0.51 1.03 [Ni-Fe9Ni3]Cr3 Acid passivation 0.49 0.98 [Ni-Fe8Ni4]Cr3 Acid passivation 0.50 0.98