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Journal of Applied Electrochemistry

, Volume 1, Issue 4, pp 279–281 | Cite as

Inhibition of sintering in molten carbonate fuel cell anodes

  • A. C. C. Tseung
Papers

Abstract

Molten carbonate fuel cells operate at 600–700°C. At these high temperatures, high surface area nickel anodes lose their activity rapidly due to sintering. A study of the sintering kinetics of Ni, Ni-Ag and Ag powder revealed that when Ni and Ag particles are present in similar numbers, sintering is significantly inhibited. This is achieved by minimizing volume diffusion between adjacent particles — Ni and Ag have virtually no solid solubility at any temperature. Paste electrolyte cells using such electrodes gave 114 mA/cm2 at 0.65 V on 80% H2/20% CO2 fuel, compared to 80 mA/cm2 at 0.65 V for a cell using sintered nickel anodes.

Keywords

Nickel Fuel Cell High Surface High Surface Area Solid Solubility 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Chapman and Hall Ltd. 1971

Authors and Affiliations

  • A. C. C. Tseung
    • 1
  1. 1.Department of ChemistryThe City UniversityLondonUK

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