Pt涂层对TA4双极板在质子交换膜制氢电解池阳极环境中的电化学行为与界面导电性能研究
徐桂芝, 杜小泽, 胡晓, 宋洁

Effect of Pt Coating on Electrochemical Behavior and Interfacial Conductivity of TA4 Bipolar Plate in Anode Side Environment of Proton Exchange Membrane Water Electrolyzer for Hydrogen Production
XU Guizhi, DU Xiaoze, HU Xiao, SONG Jie
表1 TA及其不同沉积时间制备的Pt涂层样品的电化学阻抗谱拟合结果
Table 1 The quantitative information of the EIS data for the bare and Pt-coated TA4
Sample

Rs

Ω·cm2

Qf

10-5 Ω-1·cm-2·s n1

n1

Rf

Ω·cm2

Qdl

10-5 Ω-1·cm-2·s n2

n2

Rct

104 Ω·cm2

χ2
TA4139.616.530.867563.74.490.854.321.09 × 10-4
5 min136.19.030.788215.15.010.7675.521.792 × 10-4
10 min161.67.110.783380.56.030.7855.913.58 × 10-4
15 min165.16.960.7676593.380.766.13.125 × 10-4