Preparation method of MoS2/S-NiCoCr-LDH composite material
A composite material and product technology, applied in the direction of electrodes, electrolysis process, electrolysis components, etc., can solve the problems of reducing the Faraday efficiency of the reaction, difficult to catalyze the reaction, poor conductivity, etc., to improve the performance of electrocatalytic nitrogen reduction, simple process, easy to use The effect obtained
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[0030]Example 1:
[0031]A MoS2 / S-NiCoCr-LDH composite material, specifically including the following preparation steps:
[0032](1) Add 1mmol chromium nitrate, 1.5mmol cobalt nitrate, 1.5mmol nickel nitrate and 2mmol urea into 200ml deionized water, magnetically stir for 30min, then add 1mol / L NaOH solution dropwise to adjust the pH of the solution to 10, then at 100℃ Stir in an oil bath for 24 hours, then wash with deionized water to neutrality, and dry at a constant temperature of 80°C;
[0033](2) Add 200 mg of the product of step (1) to 50 ml of deionized water, and add 100 mg of Na2S, stir for 30 min, transfer to a polytetrafluoroethylene reactor, hydrothermally react at 120°C for 24 hours, wash with deionized water after the reaction, and dry in vacuum at 60°C;
[0034](3) Add 200mg of the product of step (2) into 100ml of deionized water, add 300mg of sodium molybdate, 200mg of thioacetamide and 100mg of cetyltrimethylammonium bromide, sonicate for 30min, and transfer the above solution...
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[0038]Example 2:
[0039]A MoS2 / S-NiCoCr-LDH composite material, specifically including the following preparation steps:
[0040](1) Add 1mmol chromium nitrate, 0.5mmol cobalt nitrate, 2.5mmol nickel nitrate and 1.5mmol urea into 200ml deionized water, magnetically stir for 30min, then add 1mol / L NaOH solution dropwise to adjust the pH of the solution to 10, and then at 80 Stir in an oil bath at ℃ for 18 hours, then wash with deionized water to neutrality, and dry at a constant temperature of 80 ℃;
[0041](2) Add 200 mg of the product of step (1) to 50 ml of deionized water, and add 50 mg of Na2S, stir for 30 min, transfer to a polytetrafluoroethylene reactor, hydrothermally react at 100°C for 16 hours, wash with deionized water after the reaction, and dry in vacuum at 60°C;
[0042](3) Add 200mg of the product of step (2) into 100ml of deionized water, add 200mg of sodium molybdate, 100mg of thioacetamide, 40mg of cetyltrimethylammonium bromide, sonicate for 30min, and transfer the above solu...
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[0044]Example 3:
[0045]A MoS2 / S-NiCoCr-LDH composite material, specifically including the following preparation steps:
[0046](1) Add 1mmol chromium nitrate, 2.5mmol cobalt nitrate, 0.5mmol nickel nitrate and 3mmol urea into 200ml deionized water, magnetically stir for 30min, then add 1mol / L NaOH solution dropwise to adjust the pH of the solution to 10, then at 120℃ Stir in an oil bath for 32 hours, then wash with deionized water to neutral, and dry at a constant temperature of 80°C;
[0047](2) Add 200 mg of the product of step (1) to 50 ml of deionized water, and add 200 mg of Na2S, stir for 30 min, transfer to a polytetrafluoroethylene reactor, hydrothermally react at 150°C for 36 hours, wash with deionized water after the reaction, and dry in vacuum at 60°C;
[0048](3) Add 200mg of the product of step (2) into 100ml of deionized water, add 400mg of sodium molybdate, 300mg of thioacetamide and 150mg of cetyltrimethylammonium bromide, sonicate for 30min, and transfer the above solution to...
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