The electrical and corrosion properties of carbon nanotube coated 304 stainless steel/polymer composite as PEM fuel cell bipolar plates

Yang Bok Lee, Choong Hyun Lee, Dae-Soon Lim

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

In this study, the contact resistance and corrosion resistance of three different types of plates used as PEM fuel cell bipolar plates are investigated, viz. (1) 304 stainless steel without carbon nanotube treatment that was then sandwiched between polymer composites, (2) CNT particles placed on the surface of the 304 stainless steel that was then sandwiched between polymer composites, and (3) direct CNTs coated 304 stainless steel that was then sandwiched between polymer composites. Both treated and untreated 304 stainless steel covered with the polymer composites exhibited good corrosion resistance. The results showed that the highest improvement of the contact resistance was accomplished by the direct deposition of CNTs on the 304 stainless steel insert. The results of the potentiodynamic and potentiostatic measurements also showed that direct CNTs deposition on the 304 stainless steel insert did not degrade the corrosion performance under PEM fuel cell operating conditions.

Original languageEnglish
Pages (from-to)9781-9787
Number of pages7
JournalInternational Journal of Hydrogen Energy
Volume34
Issue number24
DOIs
Publication statusPublished - 2009 Dec 1

Fingerprint

fuel cells
Fuel cells
stainless steels
Carbon nanotubes
corrosion
Stainless steel
carbon nanotubes
electrical properties
Corrosion
composite materials
Composite materials
polymers
Polymers
Contact resistance
inserts
contact resistance
corrosion resistance
Corrosion resistance

Keywords

  • 304 Stainless steel (304 SS)
  • Bipolar plate
  • Carbon nanotubes (CNTs)
  • Composite
  • Proton exchange membrane fuel cells (PEMFCs)

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

The electrical and corrosion properties of carbon nanotube coated 304 stainless steel/polymer composite as PEM fuel cell bipolar plates. / Lee, Yang Bok; Lee, Choong Hyun; Lim, Dae-Soon.

In: International Journal of Hydrogen Energy, Vol. 34, No. 24, 01.12.2009, p. 9781-9787.

Research output: Contribution to journalArticle

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