Development of Ti Bipolar Plates with Micro-Structured Surface Film for Proton Exchange Membrane Fuel Cells

被引：1

作者：

Sato, Haruka ^{[1
,2
]}

Imamura, Junko ^{[1
]}

Nishimoto, Takumi ^{[1
]}

机构：

[1] Nippon Steel Corp Ltd, Res & Dev, Steel Res Labs, Amagasaki 6600891, Japan

[2] Tohoku Univ, Sendai 9808570, Japan

来源：

MATERIALS TRANSACTIONS | 2024年 / 65卷 / 06期

关键词：

bipolar plate; contact resistance; proton exchange membrane fuel cells; surface treatment; titanium; TITANIUM; CONDUCTIVITY;

D O I：

10.2320/matertrans.MT-M2023223

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We developed surface treatment method of titanium for proton exchange membrane fuel cell bipolar plate. The surface-treated titanium achieved good corrosion resistance in H 2 SO 4 solution (pH = 3) containing 10 ppm F- at 80 degrees C in a simulated proton exchange membrane fuel cell environment. The average corrosion current density was under 0.1 mu A cm-2 during potentiostatic polarization testing for 24 h. Further, the contact resistance value was 8.9 m 3 cm 2 at a pressure of 1 MPa after corrosion testing, which was very low compared to typical etching samples.

引用

页码：692 / 696

页数：5

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