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Title of Journal: J Appl Electrochem

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Abbravation: Journal of Applied Electrochemistry

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Kluwer Academic Publishers

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DOI

10.1016/0030-4220(62)90002-6

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1572-8838

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A thinfilm/agglomerate model of a protonexchange

Authors: KenMing Yin
Publish Date: 2007/05/26
Volume: 37, Issue: 8, Pages: 971-982
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Abstract

A thinfilm/agglomerate model for the cathode part of a protonexchangemembrane fuel cell is developed Parameter estimation is employed to determine the exchange current density in the catalyst layer proton conductivity of the recast ionomer and oxygen diffusivity in the solid polymer electrolyte The effects of catalyst and polymer electrolyte loadings in the catalyst layer on the cell performance are demonstrated using this model The influence of polymer electrolyte distribution in the catalyst layer is correlated with the oxygen diffusion and proton migration rates within the electrolyte It is found that proton migration in the polymer electrolyte is the dominant factor for cell current density under normal operating conditions A better cell performance is achieved by a concentrated polymer electrolyte near the catalyst layer/membrane interface

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  2. Effects of organic additives on zinc electrodeposition from alkaline electrolytes
  3. Electrochemical reduction of oxygen with iron phthalocyanine in neutral media
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  6. Arginine self-assembled monolayers against copper corrosion and synergistic effect of iodide ion
  7. Influence of boundary conditions on transient excess pore pressure during electrokinetic applications in soils
  8. Fluorination of Vulcan XC-72R for cathodic microporous layer of passive micro direct methanol fuel cell
  9. Electrochemical and structural characterization of cobalt recycled from cathodes of spent Li-ion batteries
  10. Electrochemical characterization of anodic biofilm development in a microbial fuel cell
  11. A kinetic study on the electrodeposition of nickel nanostructure and its electrocatalytic activity for hydrogen evolution reaction
  12. Chemical composition and electrochemical activity of some chemically synthesized γ-MnO 2
  13. The use of a rotating cylinder electrode to selective recover palladium from acid solutions used to manufacture automotive catalytic converters
  14. Hydrothermal and soft-templating synthesis of mesoporous NiCo 2 O 4 nanomaterials for high-performance electrochemical capacitors
  15. Electrochemical properties of electrodeposited nanocrystalline cobalt and cobalt–iron alloys in acidic and alkaline solutions
  16. Co–Fe–Se ultrathin nanosheet-fabricated microspheres for efficient electrocatalysis of hydrogen evolution
  17. A novel experimental method for obtaining multi-layered TiO 2 nanotubes through electrochemical anodizing
  18. Voltammetric determination of the critical micellar concentration of surfactants by using a boron doped diamond anode
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  20. Fundamental studies of sonoelectrochemical nanomaterials preparation
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  23. Morpholinium-based ionic liquid mixtures as electrolytes in electrochemical double layer capacitors
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