Method for preparing molybdenum disulfide/carbon composite multi-grade porous material
A technology of molybdenum disulfide and multi-level pores, which is applied in the direction of secondary batteries, electrochemical generators, hybrid capacitor electrodes, etc., can solve the problems of unseen supercapacitor applications and complicated preparation methods, and achieve avoidance of damage and simple preparation methods , the effect of multiple expansion spaces
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Embodiment 1
[0027] 0.5 g of sodium molybdate, 1.0 g of thioacetamide and 2 g of agarose were added to the flask, and 20 ml of water was added to dissolve. The flask is immersed in a water bath, and the temperature of the water bath is set to 90 degrees Celsius. After reacting for 3 days, all devices were closed, and the liquid in the flask was poured into a beaker while it was hot to cool. The samples in the beaker were transferred to the refrigerator to freeze, and then transferred to a freeze dryer at minus 40 degrees Celsius for 24 hours to dry. The above samples were calcined in a tube furnace, the experimental conditions were 500 degrees Celsius for 6 hours, and the heating rate was 2 degrees Celsius per minute. The samples prepared as figure 1 As shown in A, the transmission electron micrograph is shown as figure 2 shown. Under the scanning electron microscope, the hierarchical porous structure can be clearly observed without phase separation; while under the transmission elect...
Embodiment 2
[0029] 0.5 g of sodium molybdate, 1.0 g of thioacetamide and 2 g of agarose were added to the flask, and 20 ml of water was added to dissolve. The flask is immersed in a water bath, and the temperature of the water bath is set to 90 degrees Celsius. After reacting for 2 days, all devices were closed, and the liquid in the flask was poured into a beaker while it was hot to cool. The samples in the beaker were transferred to the refrigerator to freeze, and then transferred to a freeze dryer at minus 40 degrees Celsius for 24 hours to dry. The above samples were calcined in a tube furnace, the experimental conditions were 500 degrees Celsius for 6 hours, and the heating rate was 2 degrees Celsius per minute. The samples prepared as figure 1 Shown in B.
Embodiment 3
[0031] 0.5 g of sodium molybdate, 1.0 g of thioacetamide and 2 g of agarose were added to the flask, and 20 ml of water was added to dissolve. The flask is immersed in a water bath, and the temperature of the water bath is set to 90 degrees Celsius. After reacting for 1 day, all devices were closed, and the liquid in the flask was poured into a beaker while it was hot to cool. The samples in the beaker were transferred to the refrigerator to freeze, and then transferred to a freeze dryer at minus 40 degrees Celsius for 24 hours to dry. The above samples were calcined in a tube furnace, the experimental conditions were 500 degrees Celsius for 6 hours, and the heating rate was 2 degrees Celsius per minute. The samples prepared as figure 1 C shown.
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