References

1. Y. Kiros and S. Schwartz, J. Power Sources, 36 (1991) 547.

2. M. Viitanen and M.J. Lampinen, Journal of Power Sources, 32 (1990) 207.

3. Y. Kiros, O. Lindstrom and T. Kaimakis, J. Power Sources, 45 (1993) 219.

4. A. Lundblad and P. Bjombom, J. Electrochem. Soc., 141 (1994) 1503.

5. K. Tomantschger, R. Findlay, M. Hanson, K Kordesch and S. Srinivasan, J. Power Sources, 39 (1992) 21.

6. Y. Kiros, J. Electrochem. Soc., 143 (1996) 2152.

7. V. Jalan and E. J. Taylor, ibid., 130 (1983) 2299.

8. M. T. Paffett, J. G. Beery and S. Gottesfeld, ibid., 135 (1988) 1431.

9. Y. Kiros, Asian Seminar on Fuel Cells, Apr. 25-26, Coimbatore; Tamil Nadu, India.

Figure 1. Polarization curves of electrodes (iR-corrected), promoted with CoTPP and tested at20┬░CandKOHconcentrationsofl)6M 2)9Mand3) 12M

Figure 1. Polarization curves of electrodes (iR-corrected), promoted with CoTPP and tested at20┬░CandKOHconcentrationsofl)6M 2)9Mand3) 12M

Figure Z Polarization curves of cltetrodes (iR-corrected), promoted with CoTPP and tested at 80 ┬░C and KOH concentrations of 1) 6M 2) 9M and C) 12M

Figure 3. Comparison of polarization data among electrodes (iR-corrected). catalyzed by I) CoTPP 2) Pi-Co alloy and C) Pt i (mA/cra2)

Figure 3. Comparison of polarization data among electrodes (iR-corrected). catalyzed by I) CoTPP 2) Pi-Co alloy and C) Pt

Time (hours)

Figure 4. Potential versus time of the CoTPP and Pt-Co catalyzed electrodes.

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