A flexible self-supporting ternary metal sulfide/carbon foam composite electrode material
A ternary metal and composite material technology, used in the manufacture of hybrid capacitor electrodes and hybrid/electric double layer capacitors, etc., can solve the problems of high production cost and complex preparation process, and achieve improved conductivity, avoided use, and increased energy. Effects of Density and Power Density
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Embodiment 1
[0037] The first step, the preparation of carbon foam flexible substrate:
[0038] Cut the melamine sponge into a block structure with a size of 2*2*1cm, and wash the melamine sponge block repeatedly with deionized water and absolute ethanol. Put the cleaned melamine sponge block in the ark, and then place the ark in the constant temperature zone of the horizontal tube furnace. The temperature was kept for 12 hours. After the reaction, the inert gas argon was continuously introduced until the tube furnace was cooled to room temperature, and a carbon foam flexible substrate was obtained in the ark.
[0039] figure 1 It is a macroscopic digital photo of the carbon foam flexible substrate prepared in Example 1 of the present invention. It can be seen from the figure that the carbon foam flexible substrate material exhibits excellent mechanical flexibility.
[0040] figure 2 It is a low magnification scanning electron micrograph of the carbon foam flexible substrate prepared ...
Embodiment 2
[0053] The first step, the preparation of carbon foam flexible substrate:
[0054] Cut the melamine sponge into a block structure with a size of 2*2*2cm, and wash the melamine sponge block repeatedly with deionized water and absolute ethanol. The cleaned melamine sponge block was placed in the ark, and then the ark was placed in the constant temperature zone of the horizontal tube furnace. Under the protection of an inert atmosphere, the tube furnace was heated to 600 °C at a heating rate of 10 °C / min. The temperature was kept for 2 hours. After the reaction, the inert gas argon was continuously introduced until the tube furnace was cooled to room temperature, and a carbon foam flexible substrate was obtained in the ark.
[0055] The second step is the preparation of precursor flexible self-supporting ternary metal sulfide / carbon foam composites:
[0056] Weigh the required amount of ferric nitrate nonahydrate (Fe(NO 3 ) 3 9H 2 O), cobalt nitrate hexahydrate (Co(NO 3 ) 2...
Embodiment 3
[0061] The first step, the preparation of carbon foam flexible substrate:
[0062] Cut the melamine sponge into a block structure with a size of 2*2*1cm, and wash the melamine sponge block repeatedly with deionized water and absolute ethanol. Place the cleaned melamine sponge block in an oven at 80° C. to dry for 6 hours, and then use it. Put the cleaned melamine sponge block in the ark, and then place the ark in the constant temperature zone of the horizontal tube furnace. The temperature was kept for 2 hours. After the reaction, the inert gas argon was continuously introduced until the tube furnace was cooled to room temperature, and a carbon foam flexible substrate was obtained in the ark.
[0063] The second step is the preparation of precursor flexible self-supporting ternary metal sulfide / carbon foam composites:
[0064] Weigh the required amount of ferric nitrate nonahydrate (Fe(NO 3 ) 3 9H 2 O), cobalt nitrate hexahydrate (Co(NO 3 ) 2 ·6H 2 O), nickel nitrate h...
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