RATE-LIMITING STEPS ON FUEL-CELL ELECTRODES

Abstract

The purpose of this investigation was to identify and to study the step or steps that limit fuel cell electrode performance. The electrodes considered were the typical porous, gaseous diffusion type, and most of the effort was directed toward acquiring a more quantitative understanding of the effect of the different variables governing electrode performance. Since it is necessary to be able to predict quantitatively both the mass transfer and the kinetic limitations in order to calculate electrode performances, an experimental program directed toward obtaining the necessary kinetic data for systems of interest was undertaken. An experimental system was devised by means of which the electro chemical kinetics could be studied over a wide current density range independently of mass transfer effects, on electrodes of known catalyst area. In the operating region where the effect of mass transfer became significant, it was le quantitatively to assess its importance.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1963
Accession Number
AD0408205

Entities

People

  • Adrian R. Reti

Organizations

  • Massachusetts Institute of Technology

Tags

Communities of Interest

  • Energy and Power Technologies
  • Ground and Sea Platforms
  • Human Systems

DTIC Thesaurus Topics

  • Adsorption
  • Air Force
  • Chemisorption
  • Chemistry
  • Current Density
  • Diffusivity
  • Electrochemical Reactions
  • Electrodes
  • Electrolytes
  • Energy
  • Equations
  • Fuel Cells
  • Geometry
  • Hydrogen Electrodes
  • Ionic Liquids
  • Mass Transfer
  • Oxygen Electrodes

Readers

  • Electrochemical Engineering/ Fuel Cell Technologies
  • Systems Analysis and Design

Technology Areas

  • Biotechnology