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Comparison of Ethanol and Methanol Oxidation in a Liquid-Feed Solid Polymer Electrolyte Fuel Cell at High Temperature
Abstract
The electrochemical oxidation of ethanol and methanol in a liquid‐feed solid polymer electrolyte fuel cell operating at 145 ° C was investigated. A composite membrane made of Nafion ionomer and silica was fabricated in order to maintain the advantageous water‐ retention properties of these materials at high temperature. A pressurized cell ( 4 atm , anode ; 5.5 atm , cathode ) employing carbon‐ supported Pt ‐ Ru ( 1 : 1 ) and Pt catalysts with a Pt loading of 2 mg cm − 2 was investigated. The direct methanol fuel cell showed a peak power density of about 240 mW cm − 2 at 0.6 A cm − 2 and 0.4 V . The power density approached 450 mW cm − 2 in the innternal resistance‐free polarization curve, and the methanol crossover rate was about 4 × 10 − 6 mol min − 1 cm − 2 . The direct ethanol fuel cell showed a maximum power density of about 110 mW cm − 2 at 0.32 V and 0.35 A cm − 2 with high selectivity toward CO 2 formation (≈95%). ©1998 The Electrochemical Society
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Cited by
On the development of proton conducting polymer membranes for hydrogen and methanol fuel cells
Kreuer, K. D. (2001) · Journal of Membrane Science · doi:10.1016/s0376-7388(00)00632-3 · Cited by 2,969
Development of ionomer membranes for fuel cells
Kerres, J. A. (2001) · Journal of Membrane Science · doi:10.1016/s0376-7388(00)00631-1 · Cited by 1,022
Low and non-platinum electrocatalysts for PEMFCs: Current status, challenges and prospects
Brouzgou, A., Song, S. Q., & Tsiakaras, P. (2012) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2012.08.031 · Cited by 380
New membranes for direct methanol fuel cells
Jörissen, L., Gogel, V., Kerres, J., & Garche, J. (2002) · Journal of Power Sources · doi:10.1016/s0378-7753(01)00952-1 · Cited by 279
F UEL C ELLS: Reaching the Era of Clean and Efficient Power Generation in the Twenty-First Century
Srinivasan, S., Mosdale, R., Stevens, P., & Yang, C. (1999) · Annual Review of Energy and the Environment · doi:10.1146/annurev.energy.24.1.281 · Cited by 168
Metadata
- Authors
- Aricò, A. S.
- Venue
- Electrochemical and Solid-State Letters
- Publisher
- The Electrochemical Society
- Published
- 1999
- Volume
- 1
- Issue
- 2
- Pages
- 66
- ISSN
- 1099-0062 (ISSN-L)
- OpenAlex
- W2101772810
- Cited by
- 267
- References
- 0
- FWCI
- 11.12
- Type
- journal article
- Language
- en
- Open access
- closed
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- Aricò, A. S. (1999). Comparison of Ethanol and Methanol Oxidation in a Liquid-Feed Solid Polymer Electrolyte Fuel Cell at High Temperature. Electrochemical and Solid-State Letters. https://doi.org/10.1149/1.1390638
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