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Use of spatial forcing to increase the yield of fuel cells.

Use of spatial forcing to increase the yield of fuel cells.

Objective

Small organic molecules (methanol, ethanol, formic acid etc) are good candidates for fuel cells as transport applications, because of their liquid form at ambient temperature. However, owing to parallel electrochemical reactions, the energetic efficiency of these fuel cells is below the range of acceptability.

These parallel reactions are in general, associated with dynamic instabilities, and the electrode can be driven easily into an oscillatory regime. Experiments of temporal forcing showed that non-stationary operation conditions might result in an overall reaction rate that exceeds the one under stationary conditions. The basic idea of this project is to exploit non-linear spatial effects to increase the yield of a fuel cell.

In a first step, we plan to demonstrate that our main idea can work with a system with "simple chemistry" (a system sufficiently simple to allow a fundamental understanding). In a second year we plan to work with more complicated systems, in order to be able to propose a way to increase the performance of fuel cells.

Leaflet | Map data © OpenStreetMap contributors, Credit: EC-GISCO, © EuroGeographics for the administrative boundaries

Coordinator

MAX-PLANCK-GESELLSCHAFT ZUR FOERDERUNG DER WISSENSCHAFTEN E.V.

Address

Faradayweg 4-6
14195 Berlin

Germany

Administrative Contact

Karl DOBLHOFER (Dr)

Project information

Grant agreement ID: ENK5-CT-2001-50021

  • Start date

    1 January 2001

  • End date

    31 December 2002

Funded under:

FP5-EESD

  • Overall budget:

    € 147 150

  • EU contribution

    € 147 150

Coordinated by:

MAX-PLANCK-GESELLSCHAFT ZUR FOERDERUNG DER WISSENSCHAFTEN E.V.

Germany