Anode catalyst of high active PtNi base proton exchange film fuel cell
A proton exchange membrane, fuel cell technology, applied in fuel cells, battery electrodes, catalyst carriers, etc., can solve the problems of increasing catalyst cost and introduction, and achieve the effects of improving CO resistance, less time-consuming, and simple preparation methods.
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Embodiment 1
[0040] Embodiment 1: Add 1g XC-72 carbon powder into 100ml 95% vol. of ethylene glycol aqueous solution, stir to obtain slurry A; 12.4ml concentration is 29.6mgPt / ml chloroplatinic acid hexahydrate ethylene glycol solution, 51.35ml of ruthenium trichloride ethylene glycol solution with a concentration of 3.7mgRu / ml and 11ml of an aqueous nickel nitrate solution with a concentration of 10mgNi / ml were mixed to obtain a mixed solution B; the slurry A was mixed with solution B, and 2.5M NaOH ethylene glycol solution to PH = 12, and microwave heating with an oscillation frequency of 2.45 gigahertz and an output power of 700W for 1.5min, cooled to room temperature, added 3M hydrochloric acid aqueous solution to PH = 0.5, washed with deionized water and filtered to medium sexual and Cl-free - , after drying, pass through 5% H 2 / N 2 Mixed air flow, heat treatment at 500°C for 4 hours, and cool to room temperature to obtain a catalyst 40%Pt with a metal content of 40% and a platinum...
Embodiment 2
[0044] Example 2: Add 1g XC-72 carbon powder into 20ml 95% vol. of ethylene glycol aqueous solution and stir to obtain slurry A; 27.86ml of chloroplatinic acid hexahydrate ethylene glycol with a concentration of 29.6mgPt / ml Solution, 115.47ml concentration is the ruthenium trichloride ethylene glycol solution of 3.7mgRu / ml and 24.81ml concentration is the nickel nitrate aqueous solution mixing of 10mgNi / ml, stirs, obtains mixed solution B; Above-mentioned slurry A is mixed with solution B, Stir and add Na 2 CO 3 to PH=10, and heated with a microwave with an oscillation frequency of 2.45 gigahertz and an output power of 700W for 15 minutes, cooled to room temperature, added 3M nitric acid aqueous solution to PH=0.5, washed with water and filtered until neutral and free of Cl - , after drying, pass through 5% CH 4 / N 2 Mixed air flow, heat treatment at 500°C for 4 hours, and cool to room temperature to obtain a catalyst 60%Pt with a metal content of 60% and a platinum-rutheni...
Embodiment 3
[0045] Embodiment 3: Add 1gXC-72 carbon powder into 100ml deionized water, stir to obtain slurry A; 6.89ml concentration is 29.6mgPt / ml chloroplatinic acid hexahydrate ethylene glycol solution, 6.13ml concentration is 10mgNi / The nickel nitrate aqueous solution of 1 ml and the chloroiridic acid hexahydrate ethylene glycol solution of 35mgIr / ml concentration in 11.48ml are mixed, stirred, obtain mixed solution B; Slurry A is mixed with solution B, stirred and added NaOH to PH=12, After thorough mixing, heat with a microwave ethylene glycol solution with an oscillation frequency of 48.2 gigahertz and an output power of 400W for 30 minutes, cool to room temperature, add 3M hydrochloric acid aqueous solution to pH = 2, wash with water and filter until neutral and free of Cl - , after drying, pass through 0.5% H 2 / N 2 Mixed air flow, heat treatment at 600°C for 3 hours, and cool to room temperature to obtain a catalyst 40%Pt with a metal content of 40% and a platinum-nickel-iridi...
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