| High performance direct methanol polymer electrolyte fuel cells |
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| Author(s): Ren XM, Wilson MS, Gottesfeld S |
| Source: JOURNAL OF THE ELECTROCHEMICAL SOCIETY Volume: 143 Issue: 1 Pages: L12-L15 Published: JAN 1996 |
| Times Cited: 269 References: 14 |
| Abstract: Direct methanol fuel cells (DMFCs) using Pt-Ru electrocatalysts and perfluorosulfonic acid membranes provide high performances if operated above 100 degrees C with optimized catalyst layers. A decal transfer method is used to apply thin-film catalyst/ionomer composite layers to Nafion(R) membranes. A Nafion 112 membrane/electrode assembly operating on 5 atm oxygen at 130 degrees C yields a current of 670 mA/cm(2) at 0.5 V cell voltage. Peak power density is 400 mW/cm(2). The same cell operating on 3 atm air at 110 degrees C yields 370 mA/cm(2) at 0.5 V and provides a maximum power density of 250 mW/cm(2). |
| Document Type: Letter |
| Language: English |
| Reprint Address: Ren, XM (reprint author), LOS ALAMOS NATL LAB, POB 1663, LOS ALAMOS, NM 87545 USA |
| Publisher: ELECTROCHEMICAL SOC INC, 10 SOUTH MAIN STREET, PENNINGTON, NJ 08534 |
| Subject Category: Electrochemistry; Materials Science, Coatings & Films |
| IDS Number: TP726 |
| ISSN: 0013-4651 |