Preparation method of chromium-doped cobalt phosphide nanorod array growing on carbon cloth in situ
一种纳米棒阵列、原位生长的技术,应用在化学仪器和方法、化学/物理过程、物理/化学过程催化剂等方向,能够解决增大高性能电极难度、不能满足大规模生产、效率低下等问题,达到排列规整、反应条件易于控制、避免污染的效果
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Embodiment 1
[0066] (01) Cut the carbon cloth into a size of 1cm-3cm, soak it in a 6mol / L nitric acid solution, and heat it in an oil bath at 90°C for 6h.
[0067] (02) Stop heating and cool to room temperature, take out the carbon cloth, and sonicate in 60 mL of acetone, 80 mL of ultrapure water, and 60 mL of ethanol for 30 mins.
[0068] (03) Take out the sonicated carbon cloth and place it in an oven at 65°C for 4 hours to obtain a clean, dry carbon cloth with enhanced hydrophilicity.
[0069] (04) 0.565g of Co(NO 3 ) 2 ·6H 2 O, 0.024g of Cr(NO 3 ) 3 9H 2 O, 0.6g of CO(NH 2 ) 2 , 0.186g of NH 4 F was dissolved in 20mL ultrapure water and stirred at room temperature for 1.5h to obtain a pale pink transparent solution.
[0070] (05) Transfer the light pink transparent solution obtained in step (04) to the polytetrafluoroethylene reactor lining, put a piece of clean, dry, and hydrophilic carbon cloth obtained in step (03) vertically, cover The lid is put into the steel pressure j...
Embodiment 2
[0081] (01) Cut the carbon cloth into a size of 1cm-3cm, soak it in 8mol / L nitric acid solution, and heat it in an oil bath at 85°C for 6h.
[0082] (02) Stop heating and cool to room temperature, take out the carbon cloth, and sonicate in 60 mL of acetone, 80 mL of ultrapure water, and 60 mL of ethanol for 30 mins.
[0083] (03) Take out the sonicated carbon cloth and place it in an oven at 65°C for 4 hours to obtain a clean, dry carbon cloth with enhanced hydrophilicity.
[0084] (04) 0.553g of Co(NO 3 ) 2 ·6H 2 O, 0.040g of Cr(NO 3 ) 3 9H 2 O, 0.6g of CO(NH 2 ) 2 , 0.186g of NH 4 F was dissolved in 20mL ultrapure water and stirred at room temperature for 1.5h to obtain a pink transparent solution.
[0085] (05) Transfer the pink transparent solution obtained in step (04) to the inner lining of the polytetrafluoroethylene reactor, put a piece of clean, dry, and hydrophilic carbon cloth obtained in step (03) vertically, and cover it The lid is placed into the steel ...
Embodiment 3
[0096] (01) Cut the carbon cloth into a size of 1cm-3cm, soak it in a 6mol / L nitric acid solution, and heat it in an oil bath at 90°C for 8h.
[0097] (02) Stop heating and cool to room temperature, take out the carbon cloth, and sonicate in 70 mL of acetone, 100 mL of ultrapure water, and 70 mL of ethanol for 50 mins.
[0098] (03) Take out the sonicated carbon cloth and place it in an oven at 65°C for 4 hours to obtain a clean, dry carbon cloth with enhanced hydrophilicity.
[0099] (04) 0.541g of Co(NO 3 ) 2 ·6H 2 O, 0.056g of Cr(NO 3 ) 3 9H 2 O, 0.6g of CO(NH 2 ) 2 , 0.186g of NH 4 F was dissolved in 20 mL of ultrapure water and stirred at room temperature for 2 h to obtain a dark pink transparent solution.
[0100] (05) Transfer the dark pink transparent solution obtained in step (04) to the polytetrafluoroethylene reactor liner, put a piece of clean, dry, hydrophilic carbon cloth obtained in step (03) vertically, cover The lid is put into the steel pressure jac...
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