Preparation method of solid oxide fuel cell electrode with high porosity amount and long tunnel
A technology of fuel cell electrodes and solid oxides, which is applied to battery electrodes, circuits, electrical components, etc., can solve the problem of high sintering temperature of the three-phase interface, achieve high porosity, simple and easy preparation, and solve the problem of low three-phase interface Effect
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[0015] Mix and grind 0.3 g of nickel oxide and 0.2 g of yttria-stabilized zirconia (YSZ), add absolute ethanol and grind for 1 hour. Put a certain amount of absorbent cotton in a drying oven at 50°C and dry for 1 hour, add 0.025 g of absorbent cotton until the mortar continues to grind for 1 hour, then add 0.2 g of binder (4:1 α-terpineol and ethyl fiber Grind evenly to form an anode material; pick up 0.1 g of the prepared anode material and coat it on the electrolyte side of the solid oxide fuel cell, put it in a muffle furnace, and use a temperature controller to keep the temperature at 170°C at a rate of 5 / min for 1 hours to make the absorbent cotton fully burnt, continue to heat up to 900 ° C for 1 hour, and cool down to room temperature naturally to obtain the desired anode with high porosity and long pore structure.
[0016] The specific heating process is as follows:
[0017] temperature(℃)
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