Method for preparing iodide-doped polymer gel electrolyte
A technology of gel electrolyte and polymer, which is applied in the direction of capacitor electrolyte/absorbent, capacitor parts, etc., can solve the problems that cannot meet the application requirements of electrochemical supercapacitors, low conductivity, etc., to improve pseudocapacitance and power density, The effect of improving electrical conductivity
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Embodiment 1
[0018] The preparation method of the iodide-doped polymer gel electrolyte of the present invention is realized by the following steps:
[0019] The first step, preparation of the polymer gel matrix: first mix polyvinyl alcohol and deionized water at a mass ratio of 1:9, stir at 50°C until completely dissolved, and obtain a homogeneous polymer gel matrix solution.
[0020] The second step, solution preparation:
[0021] (a) Preparation of potassium hydroxide solution: Potassium hydroxide was dissolved in deionized water to prepare a 0.5 mol / L potassium hydroxide solution.
[0022] (b) Configuration of potassium iodide aqueous solution: potassium iodide was dissolved in deionized water to prepare a 0.1 mol / L potassium iodide aqueous solution.
[0023] In the third step, add 15 ml of the potassium hydroxide solution prepared in the second step (a) to the homogeneous polymer gel matrix solution obtained in the first step, and continue stirring to keep the solution in a homogeneou...
Embodiment 2
[0028] The first step, the preparation of the polymer gel matrix: first mix polyethylene oxide and deionized water at a mass ratio of 1:4, stir at 60° C. until completely dissolved, and obtain a homogeneous polymer gel matrix solution.
[0029] The second step, solution preparation:
[0030] (a) Preparation of Potassium Hydroxide Solution: Dissolve Potassium Hydroxide in deionized water to prepare 1 mol / L Potassium Hydroxide Solution.
[0031] (b) Configuration of sodium iodide solution: Dissolve sodium iodide in deionized water to prepare a 0.2 mol / L sodium iodide solution.
[0032] In the third step, add 10 ml of potassium hydroxide solution prepared in the second step (a) to the homogeneous polymer gel matrix solution obtained in the first step, and continue stirring to keep the solution in a homogeneous state.
[0033] The 4th step, in the homogeneous solution that the 3rd step obtains, add the sodium iodide aqueous solution prepared in the 10ml second step (b), continue ...
Embodiment 3
[0037] The first step, the preparation of the polymer gel matrix: first mix sodium polyacrylate and deionized water at a mass ratio of 2:5, stir at 1°C until completely dissolved, and obtain a homogeneous polymer gel matrix solution.
[0038] The second step, solution preparation:
[0039] (a) Preparation of sodium hydroxide solution: Dissolve sodium hydroxide in deionized water, and configure it into a 2mol / L sodium hydroxide solution.
[0040] (b) Configuration of sodium iodide solution: Dissolve sodium iodide in deionized water to prepare a 0.4 mol / L sodium iodide solution.
[0041] In the third step, add 10 ml of the sodium hydroxide solution prepared in the second step (a) to the homogeneous polymer gel matrix solution obtained in the first step, and continue stirring to keep the solution in a homogeneous state.
[0042] The 4th step, in the homogeneous solution that the 3rd step obtains, add the sodium iodide aqueous solution prepared in the 10ml second step (b), contin...
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