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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Jalan, V. Poirier, J.A. |
| Copyright Year | 1989 |
| Description | Author affiliation: ElectroChem. Inc., Woburn, MA, USA (Jalan, V.; Poirier, J.A.) |
| Abstract | The authors describe a project to develop electrocatalysts that enable phosphoric acid fuel cells (PAFCs) to operate on coal-derived gases and thus increase coal utilization. The specific improvement sought is tolerance to poisoning by coal-gas contaminants such as carbon monoxide and hydrogen sulfide. The approach used for reducing poisoning effects is to increase catalyst dispersion and decrease the adsorption affinity of the catalytic surface for CO and H/sub 2/S through the use of Pt alloys. Twenty-five electrocatalysts have been evaluated. The effect on anode polarization of catalyst composition, catalyst support, fuel gas composition, and specific surface area has been investigated. Results to date have identified a group of Pt alloy catalysts with significantly lower anode polarization than Pt in the presence of CO and H/sub 2/S. Further improvements have been achieved by increasing the dispersion of Pt alloys over a range of compositions.< |
| Starting Page | 1565 |
| Ending Page | 1568 |
| File Size | 303001 |
| Page Count | 4 |
| File Format | |
| DOI | 10.1109/IECEC.1989.74677 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1989-08-06 |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Fuel cells Gases Hydrogen Anodes Dispersion Platinum alloys Temperature dependence Lead Cobalt alloys US Department of Energy |
| Content Type | Text |
| Resource Type | Article |
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