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Chromium-containing carbon film on stainless steel as bipolar plates for proton exchange membrane fuel cells
Wu, Bo1; Lin, Guoqiang1; Fu, Yu2; Hou, Ming2; Yi, Baolian2
关键词Chromium-containing Carbon Film Stainless Steel Bipolar Plates Pulsed Bias Arc Ion Plating
刊名INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
2010-12-01
DOI10.1016/j.ijhydene.2010.09.036
35期:24页:13255-13261
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Electrochemistry ; Energy & Fuels
研究领域[WOS]Chemistry ; Electrochemistry ; Energy & Fuels
关键词[WOS]THERMAL NITRIDATION ; CR-NITRIDES ; NI-50CR ; ALLOYS ; COST ; XPS
英文摘要A series of chromium-containing carbon films are deposited on 316L stainless steel (SS316L) as bipolar plates for proton exchange membrane fuel cells (PEMFCs) by pulsed bias arc ion plating (PBAIP). The film characterizations are evaluated by X-ray photoelectron spectroscopy (XPS) and X-ray diffractometry (XRD). Interfacial contact resistance (ICR) between the coated SS316L samples and carbon paper is measured. Potentiodynamic and potentiostatic tests in the simulated corrosive circumstance of PEMFC are conducted to evaluate the corrosion resistance of the coated SS316L samples. The results indicate the films are primarily composed of pure carbon atoms with amorphous structure, including sp(3) and sp(2) carbon atoms. The contents of sp(3) and sp(2) carbon atom are remarkably influenced by the doping chromium. ICR and corrosion resistance of the coated SS316L sample are greatly improved owing to the surface film. The lowest ICR between the coated SS316L sample and carbon paper is only 2.8 m Omega cm(2) at the compaction force of 120 N cm(-2). The ICR has a close relationship with the contents of sp(3) and sp(2) carbon atom, and the lowest ICR is obtained for the Cr(0.23)C(0.77) film with the lowest sp(3) carbon atom content and highest sp(2) carbon atom content. The SS316L sample with Cr(0.23)C(0.77) film also exhibits the best corrosion resistance. Finally, the variations of ICR and surface morphology of the coated sample before and after corrosion testing are discussed. Crown Copyright (C) 2010 Published by Elsevier Ltd on behalf of Professor T. Nejat Veziroglu. All rights reserved.
语种英语
WOS记录号WOS:000284967100015
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/141815
专题中国科学院大连化学物理研究所
作者单位1.Dalian Univ Technol, Minist Educ, Key Lab Mat Modificat Laser Ion & Elect Beams, Dalian 116085, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell R&D Ctr, Dalian 116023, Peoples R China
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Wu, Bo,Lin, Guoqiang,Fu, Yu,et al. Chromium-containing carbon film on stainless steel as bipolar plates for proton exchange membrane fuel cells[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2010,35(24):13255-13261.
APA Wu, Bo,Lin, Guoqiang,Fu, Yu,Hou, Ming,&Yi, Baolian.(2010).Chromium-containing carbon film on stainless steel as bipolar plates for proton exchange membrane fuel cells.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,35(24),13255-13261.
MLA Wu, Bo,et al."Chromium-containing carbon film on stainless steel as bipolar plates for proton exchange membrane fuel cells".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 35.24(2010):13255-13261.
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