A kind of electrode composite material and its preparation method and application
A composite material and electrode technology, which is applied in the field of electrode composite materials and its preparation and application, can solve problems such as restricting development, and achieve the effects of broadening the application range, improving conductivity, and enhancing redox kinetics
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Embodiment 1
[0032] The preparation method of a kind of composite electrode material of the present invention is:
[0033] (1) Select walnut shells with a thickness of about 2 mm or more, crush them with an ultra-fine pulverizer, and obtain walnut shell nanoparticles of about 100 nm after ball milling, and then carbonize them at 600 ° C under an argon atmosphere; 10gNaNO 3 and 30mL concentrated sulfuric acid, after stirring for 20min, warm up to 25°C and add 15g KMnO 4 , after stirring for 5h, add 50mL of water and raise the temperature to 60°C and continue stirring for 12h; then add 10mL of H 2 o 2 , stirred and cooled to room temperature, washed with deionized water until neutral, and dried in vacuum at 60°C to obtain graphene-like, such as image 3 .
[0034] (2) Take 0.1mmol tetrakis-(4-formyl-(1,1-biphenyl))ethylene and 0.2mmol p-phenylenediamine, add to 0.5mL dimethylacetamide and 1.5mL o-dichlorobenzene solution In the process, after ultrasonic dispersion was uniform, 0.2mL of ...
Embodiment 2
[0037] The preparation method of a kind of composite electrode material of the present invention is:
[0038] (1) Take walnut shells with a thickness of about 2 mm or more, crush them with an ultra-fine pulverizer, and obtain walnut shell nanoparticles of about 100 nm after ball milling, and then carbonize them at 600 ° C under an argon atmosphere; 10gNaNO 3 and 30mL concentrated sulfuric acid, after stirring for 20min, the temperature was raised to 25°C and 15g KMnO was added 4 , after stirring for 5h, add 50mL of water and raise the temperature to 60°C and continue stirring for 12h; then add 10mL of H 2 o 2 , stirred and cooled to room temperature, washed with deionized water until neutral, and vacuum-dried at 60°C to obtain graphene-like.
[0039] (2) Take 0.1mmol tetrakis-(4-formyl-(1,1-biphenyl))ethylene and 0.25mmol p-phenylenediamine, add to 0.4mL dimethylacetamide and 1.6mL o-dichlorobenzene solution After ultrasonically dispersing evenly, add 0.2mL of 3M acetic ac...
Embodiment 3
[0042] The preparation method of a kind of composite electrode material of the present invention is:
[0043] (1) Select walnut shells with a thickness of about 2 mm or more, crush them with an ultrafine pulverizer, and obtain walnut shell nanoparticles of about 100 nm after ball milling, and then carbonize them at 600 ° C under an argon atmosphere; Add 10g NaNO under the condition 3 and 30mL concentrated sulfuric acid, after stirring for 20min, the temperature was raised to 25°C and 15g KMnO was added 4 , after stirring for 5h, add 50mL of water and raise the temperature to 60°C and continue stirring for 12h; then add 10mL of H 2 o 2 , stirred and cooled to room temperature, washed with deionized water until neutral, and vacuum-dried at 60°C to obtain graphene-like.
[0044] (2) Take 0.15mmol tetrakis-(4-formyl-(1,1-biphenyl))ethylene and 0.3mmol p-phenylenediamine, add to 0.5mL dimethylacetamide and 1.5mL o-dichlorobenzene solution , after ultrasonically dispersed, 0.2mL...
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