Low Temperature Direct 2-Propanol Fuel Cells

Abstract

2-Propanol exhibits a substantially higher cell voltage than methanol in a direct liquid fuel cell at a current density less than ca. 100 mA / cm 2 . Although the performance increases with cell temperature, the cell can deliver 690 mV at a current density of 20 mA / cm 2 at room temperature. These features could make 2-propanol an attractive fuel for portable power applications. © 2002 The Electrochemical Society. All rights reserved.

Electro-Oxidation of Ethanol and Propanol at Pt and Ti Modified Nanoparticle Substrates for Direct Alcohol Fuel Cells (DAFCs)

“…This is due to the better energy efficiency, easy handling during storing and transporting [7,8]. Ethanol is an alternative choice as a fuel due to its non-toxicity and availability from biomass resources [3,9,10].…”

“…Ethanol is an alternative choice as a fuel due to its non-toxicity and availability from biomass resources [3,9,10]. Also the recent studies have focused on 2-propanol as an alcohol's fuel because it shows a lower overpotential and higher performance than methanol [8,11,12]. Alcohols with more than two carbon atoms have several isomers and special features of non-CO adsorption [12].…”

The effect of methanol and ethanol cross-over on the performance of PtRu/C-based anode DAFCs

“…For air-breathing micro DMFCs, this problem becomes more serious due to the strong adsorption of the reaction intermediates such as carbon monoxide adsorbed onto the metal nanoparticles for room-temperature fuel cells. In the exploration for methanol substitutes, some fuels have been found to show a smaller cross-over rate or a less serious effect on the cathode performance [3][4][5][6]. Among these fuels, ethanol is the most promising due to its higher energy density, nontoxicity, and availability from renewable energy sources.…”

Pt-based anode catalysts for direct ethanol fuel cells

“…However, it is well-known that methanol is volatile and relatively toxic, therefore it is not thought as a favorable and friendly fuel [1,2]. Other short chain organic chemicals, such as ethanol, ethylene glycol, propanol [3,4] and dimethyl oxalate [2], were also tested as fuels for direct liquid electro-oxidation PEMFCs. As one of the alternative fuels, ethanol is safer and has more energy density compared to methanol (8.01 kWh kg −1 versus 6.09 kWh kg −1 ).…”