Carbonized mn-mil-53@g-c for an aluminum-air battery 3 no 4 Cathode and its preparation method
An aluminum-air battery, g-c3n4 technology, applied in battery electrodes, fuel cell-type half-cells and secondary battery-type half-cells, circuits, etc., can solve problems such as poor effect and short life, and improve catalytic ability. , improve efficiency, improve the effect of electrical conductivity
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Embodiment 1
[0025] Step 1: Evenly mix 8g of melamine and 1.78g of thiourea into an aluminum oxide crucible, raise the temperature to 550°C in a tube furnace, calcinate for 4 hours, cool to room temperature and place the obtained block sample in a mortar and Grind and sieve with a 150-mesh sieve, then add the sieved sample to 80ml of deionized water, and place it in an ultrasonic instrument for 10h, then put the solution in an oven at 70°C to concentrate to about 10ml, then transfer to vacuum freeze-drying Freeze-dry in the machine, and then grind for 4min to obtain g-C 3 N 4 Nanosheets.
[0026] Step 2: Dissolve 9.39g of ferric nitrate and 11.6g of terephthalic acid in a mixed solution of 41.1ml of N,N-dimethylformamide (DMF) and 5.9ml of ethylene glycol, and add 2.07 g manganese acetate, continue to sonicate for 15 minutes; then drop 13.1ml of NaOH aqueous solution into the solution in a water bath at 50°C, and add 5.87g of g-C prepared in step 1 3 N 4 Nanosheets, after stirring for ...
Embodiment 2
[0029] Step 1: Mix 10g of melamine and 1.43g of thiourea evenly and put them into an aluminum oxide crucible, heat up to 550°C in a tube furnace, calcinate for 6h, cool down to room temperature, and place the obtained block sample in a mortar and Grind and sieve with a 150-mesh sieve, then add the sieved sample to 100ml of deionized water, and place it in an ultrasonic instrument for 9 hours, then put the solution in an oven at 80°C to concentrate to about 10ml, then transfer to vacuum freeze-drying Freeze-dry in the machine, and then grind for 4min to obtain g-C 3 N 4 Nanosheets.
[0030] Step 2: Dissolve 9.39g of ferric nitrate and 11.6g of terephthalic acid in a mixed solution of 41.1ml of N,N-dimethylformamide (DMF) and 5.9ml of ethylene glycol, and add 2.07 g manganese acetate, continue to sonicate for 14min; then drop 13.1ml of NaOH aqueous solution into the solution in a water bath at 52°C, and add 5.87g of g-C prepared in step 1 3 N 4Nanosheets, after stirring for ...
Embodiment 3
[0033] Step 1: Mix 8.6g of melamine and 1.43g of thiourea evenly and put them into an aluminum oxide crucible, heat up to 550°C in a tube furnace, calcinate for 5h, cool to room temperature, and place the obtained block sample in a mortar Fully grind and sieve with a 150-mesh sieve, then add the sieved sample to 86ml of deionized water, and place it in an ultrasonic instrument for 8 hours, then put the solution in an oven at 73°C to concentrate to about 10ml, then transfer to vacuum freezing Freeze-dry in a desiccator, and then grind for 5min to obtain g-C 3 N 4 Nanosheets.
[0034] Step 2: Dissolve 8.2g of ferric nitrate and 8.9g of terephthalic acid in a mixed solution of 36.4ml of N,N-dimethylformamide (DMF) and 4.6ml of ethylene glycol, and add 1.35 g manganese acetate, continue to sonicate for 11min; then drop 9.8ml of NaOH aqueous solution into the solution in a water bath at 55°C, and add 6.02g of g-C prepared in step 1 3 N 4 Nanosheets, after stirring for 55 minute...
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