Design and testing criteria for bipolar plate materials for PEM fuel cell applications

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Description

Bipolar plates for proton exchange membrane (PEM) fuel cells are currently under development. These plates separate individual cells of the fuel cell stack, and thus must be sufficiently strong to support clamping forces, be electrically conducting, be fitted with flow channels for stack thermal control, be of a low permeability material to separate safely hydrogen and oxygen feed streams, be corrosion resistant, and be fitted with distribution channels to transfer the feed streams over the plate surface. To date, bipolar plate costs dominate stack costs, and therefore future materials need to meet strict cost targets. A first step in the ... continued below

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8 p.

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Borup, R.L. & Vanderborgh, N.E. May 1, 1995.

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Description

Bipolar plates for proton exchange membrane (PEM) fuel cells are currently under development. These plates separate individual cells of the fuel cell stack, and thus must be sufficiently strong to support clamping forces, be electrically conducting, be fitted with flow channels for stack thermal control, be of a low permeability material to separate safely hydrogen and oxygen feed streams, be corrosion resistant, and be fitted with distribution channels to transfer the feed streams over the plate surface. To date, bipolar plate costs dominate stack costs, and therefore future materials need to meet strict cost targets. A first step in the bipolar plate development program is an assessment of design constraints. Such constraints have been estimated and evaluated and are discussed here. Conclusions point to promising advanced materials, such as conductive, corrosion resistant coatings on metal substrates, as candidates for mass production of fuel cell bipolar plates. Possible candidate materials are identified, and testing procedures developed to determine suitability of various materials.

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8 p.

Notes

OSTI as DE95010878

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  • Spring meeting of the Materials Research Society (MRS), San Francisco, CA (United States), 17-21 Apr 1995

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  • Other: DE95010878
  • Report No.: LA-UR--95-1303
  • Report No.: CONF-950412--2
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 57240
  • Archival Resource Key: ark:/67531/metadc691543

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Office of Scientific & Technical Information Technical Reports

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  • May 1, 1995

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  • Aug. 14, 2015, 8:43 a.m.

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  • Feb. 25, 2016, 2:29 p.m.

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Borup, R.L. & Vanderborgh, N.E. Design and testing criteria for bipolar plate materials for PEM fuel cell applications, article, May 1, 1995; New Mexico. (digital.library.unt.edu/ark:/67531/metadc691543/: accessed October 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.