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2 酸钝化处理前后合金的自腐蚀电位(E_corr)和自腐蚀电流密度(i_corr)

Table 2 Self-corrosion potential (E_corr) and self-corrosion current density (i_corr) of the designed and reference alloys before and after the acid passivation

Cluster	Before passivation		After passivation
Cluster	E_corr / mV	i_corr / (μA·cm^-2)	E_corr / mV	i_corr / (μA·cm^-2)
[Ni-Fe₁₂]Cr₃	-456.64	138.15	-287.18	14.39
[Ni-Fe_11.5Ni_0.5]Cr₃	-392.75	166.39	-251.04	10.59
[Ni-Fe₁₁Ni]Cr₃	-303.94	129.03	-228.72	7.16
[Ni-Fe_10.5Ni_1.5]Cr₃	-270.71	109.26	-227.14	4.09
[Ni-Fe₁₀Ni₂]Cr₃	-265.21	130.25	-224.98	1.68
[Ni-Fe₉Ni₃]Cr₃	-262.08	111.49	-227.63	2.22
[Ni-Fe₈Ni₄]Cr₃	-230.26	75.60	-219.29	1.10
[Ni-Fe₁₁Ni₁] Mo_0.2Cr_2.9(316L)	-291.07	78.28	-264.47	7.51