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Ethanol fuel is ethyl alcohol, the same type of alcohol found in alcoholic beverages, used as fuel. It is most often used as a motor fuel, mainly as a biofuel additive for gasoline. The first production car running entirely on ethanol was the Fiat 147, introduced in 1978 in Brazil by Fiat. Ethanol is commonly made from biomass such as corn or sugarcane. World ethanol production for transport fuel tripled between 2000 and 2007 from 17×10⁹ liters (4.5×10⁹ U.S. gal; 3.7×10⁹ imp gal) to more than 52×10⁹ liters (1.4×10¹⁰ U.S. gal; 1.1×10¹⁰ imp gal). From 2007 to 2008, the share of ethanol in global gasoline type fuel use increased from 3.7% to 5.4%. In 2011 worldwide ethanol fuel production reached 8.46×10¹⁰ liters (2.23×10¹⁰ U.S. gal; 1.86×10¹⁰ imp gal) with the United States of America and Brazil being the top producers, accounting for 62.2% and 25% of global production, respectively. US ethanol production reached 57.54×10⁹ liters (1.520×10¹⁰ U.S. gal; 1.266×10¹⁰ imp gal) in 2017-04.
A preparation method of an anode catalyst layer of an ethanol fuel cell based on a Pd@Ni / Co3O4 composite material
This invention belongs to the field of fuel cell technology, specifically relating to a method for preparing an anode catalyst layer for an ethanol fuel cell based on a Pd@Ni / Co3O4 composite material. The method includes the following steps: adding a metal salt solution composed of cobalt and nickel salts to a 2-methylimidazole solution and allowing it to stand for aging to obtain Ni / ZIF-67; calcining the Ni / ZIF-67 to obtain a porous Ni / Co3O4 material; dispersing the porous Ni / Co3O4 material in a Pd(Ac)2 solution, stirring and reacting, and drying to obtain the Pd@Ni / Co3O4 composite material; dispersing the Pd@Ni / Co3O4 composite material and single-walled carbon nanotubes in a solvent to obtain a catalyst slurry; and then coating the catalyst slurry onto the surface of carbon cloth to obtain the anode catalyst layer. This process is simple, low-cost, and suitable for the large-scale preparation of anode catalyst layers for ethanol fuel cells.
Owner:YANCHENG INST OF TECH