C (at) S/SnSx/biochar composite material and bionic construction method thereof
A composite material and bionic construction technology, applied in structural parts, active material electrodes, electrical components, etc., can solve the problems of composite structure damage capacity, loss, and inability to relieve volume expansion, etc., to optimize electrode performance, enhance rapid conversion ability, The effect of enhanced reversible capture capability
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Embodiment 1
[0057] (1) Take 1.0g of Albizia Julibrissin villi in a beaker, add 50mL of a mixed solution of citric acid, malic acid and grape acid (concentration is 1mol / L), the molar ratio of citric acid, malic acid and grape acid is 0.2:0.1 : 0.6, stirred evenly for 10min and placed in a hydrothermal reaction kettle, reacted uniformly at 180°C for 2h (without stirring) to obtain a reaction solution, filtered the reacted solution with a suction filter, dried in an oven at 60°C for 12h to obtain a low-carbon of biochar.
[0058] (2) The low-carbonized biochar was heat-treated in a tube furnace, and the sample was controlled to be heated from room temperature to 800 °C at a heating rate of 10 °C / min under the protection of argon / nitrogen mixed gas (nitrogen ratio was 10%) , heat-treated at 800°C for 1h, the product was washed with 20mL of hydrochloric acid (concentration: 5mol / L) and 50mL of water, filtered three times, and dried in an oven at 60°C for 12h to obtain biochar.
[0059] (3) M...
Embodiment 2
[0066] (1) Get 4.0g green peach fluff in a beaker, add 50mL of citric acid, malic acid and grape acid mixed solution (concentration is 10mol / L), control the mol ratio of citric acid, malic acid and grape acid to be 0.4:0.2: 0.9, uniformly stirred for 20 minutes, placed in a hydrothermal reaction kettle, uniformly reacted at 140°C for 5h (without stirring) to obtain a reaction solution, filtered the reacted solution with a suction filter, dried in an oven at 80°C for 8h to obtain low-carbonized biochar.
[0067] (2) Heat-treat the low-carbonized biochar in a tube furnace, control the sample under the protection of argon / nitrogen mixed gas, nitrogen ratio is 40%, and heat up from room temperature to 900°C at a heating rate of 10°C / min. After heat treatment at 900°C for 6h, the product was washed with 20mL of hydrochloric acid (concentration: 5mol / L) and 50mL of water, filtered three times, and dried in an oven at 60°C for 12h to obtain biochar.
[0068] (3) Mix and grind triphe...
Embodiment 3
[0074] (1) Get the thorns of 3.0g cactus in the beaker, add the mixed solution (concentration is 6mol / L) of 50mL citric acid, malic acid and grape acid, the mol ratio of citric acid, malic acid and grape acid is 0.3:0.5: 0.5, stirred evenly for 15 minutes, placed in a hydrothermal reaction kettle, reacted uniformly at 160°C for 24h (without stirring) to obtain a reaction solution, filtered the reacted solution with a suction filter, dried in an oven at 70°C for 10h to obtain a low-carbonized biochar.
[0075] (2) Heat-treat the low-carbonized biochar in a tube furnace, control the sample under the protection of argon / nitrogen mixed gas, nitrogen ratio is 20%, and heat up from room temperature to 1000°C at a heating rate of 10°C / min. After heat treatment at 1000°C for 3h, the product was washed with 20mL of hydrochloric acid (concentration: 5mol / L) and 50mL of water, filtered three times, and dried in an oven at 60°C for 12h to obtain biochar.
[0076] (3) Mix and grind triphe...
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