Composite gel material of carbonized eggshell membrane, mxene and polyaniline and its preparation method and application
A composite gel, carbonized eggshell technology, applied in the manufacture of hybrid/electric double layer capacitors, hybrid capacitor electrodes, etc., can solve the problem of weak self-supporting ability of MXene sheets
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Embodiment 1
[0042] 1) Soak eggshells in a solution of 5% dilute acetic acid for 3 hours to obtain eggshell membranes;
[0043] 2) Place 5 parts of eggshell membranes obtained in step 1) in 2 parts of dopamine alkaline buffer solution with a concentration of 3 mg / mL, and stir at room temperature for 3 hours to obtain polydopamine-coated eggshell membranes;
[0044] 3) 5 parts of polydopamine-coated eggshell membranes were placed in 10 parts of MXene aqueous solution with a concentration of 1 mg / mL, and stirred at room temperature for 1.5 h to obtain eggshell membranes loaded with MXene on the surface;
[0045] 4) Calcining the MXene-loaded eggshell membrane on the surface obtained in step 3) under the protection of argon at a high temperature of 500° C. for 3 hours to obtain a carbonized eggshell membrane / MXene composite material;
[0046]5) Dissolve 10mmol of ammonium persulfate in 10mL of water, and call it solution A; dissolve 20mmol of aniline and 5mmol of phytic acid in 15mL of water,...
Embodiment 2
[0049] 1) Soak duck eggshells in a 10% dilute acetic acid solution for 4 hours to obtain eggshell membranes;
[0050] 2) Place 6 parts of eggshell membranes in step 1) in 3 parts of dopamine alkaline buffer solution with a concentration of 4 mg / mL, and stir at room temperature for 5 hours to obtain polydopamine-coated eggshell membranes;
[0051] 3) 8 parts of polydopamine-coated eggshell membranes were placed in 16 parts of MXene aqueous solution with a concentration of 3 mg / mL, and stirred at room temperature for 2 hours to obtain eggshell membranes loaded with MXene on the surface;
[0052] 4) Calcining the MXene-loaded eggshell membrane on the surface of step 3) under nitrogen protection at 600°C for 2 hours to obtain a carbonized eggshell membrane / MXene composite material;
[0053] 5) Dissolve 20mmol of ammonium persulfate in 20mL of water, and call it solution A; dissolve 50mmol of aniline and 10mmol of phytic acid in 20mL of water, and call it solution B. After mixing ...
Embodiment 3
[0056] 1) Soak egg shells in 8% dilute acetic acid solution for 5 hours to obtain egg shell membranes;
[0057] 2) Place 10 parts of eggshell membranes in step 1) in 5 parts of dopamine alkaline buffer solution with a concentration of 5 mg / mL, and stir at room temperature for 6 hours to obtain polydopamine-coated eggshell membranes;
[0058] 3) 8 parts of polydopamine-coated eggshell membranes were placed in 20 parts of MXene aqueous solution with a concentration of 2 mg / mL, and stirred at room temperature for 4.5 hours to obtain eggshell membranes loaded with MXene on the surface;
[0059] 4) Calcining the eggshell membrane loaded with MXene on the surface of step 3) under the protection of argon at a high temperature of 550° C. for 1.5 hours to obtain a carbonized eggshell membrane / MXene composite material;
[0060] 5) Dissolve 12mmol of ammonium persulfate in 15mL of water, and record as solution A; dissolve 30mmol of aniline and 6mmol of phytic acid in 15mL of water, and r...
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