Preparation method and application of conductive adhesive based on reinforced polysulfide ion adsorption
A conductive binder and ion adsorption technology, which is applied in the direction of circuits, electrical components, battery electrodes, etc., can solve the problems that active materials are difficult to be fully utilized, battery charging efficiency is reduced, etc., to achieve inhibition of polysulfide ion shuttle, excellent conductivity , the effect of improving life
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Embodiment 1
[0030] Embodiment 1: the preparation of aniline solution
[0031] 2 g of aniline was dissolved in 98 mL of deionized water, and dispersed by ultrasonic vibration (ultrasonic frequency 40 kHz) for 5 minutes to obtain an aniline solution with a concentration of 2 wt%.
Embodiment 2
[0032] Example 2: Preparation of cyclodextrin inclusion compound of aniline
[0033] 3.5 g of aniline was dissolved in 96.5 mL of deionized water, and dispersed by ultrasonic vibration (ultrasonic frequency 40 kHz) for 5 minutes to obtain an aniline solution with a concentration of 3.5 wt%.
[0034] Take 40mL of deionized water to dissolve 2gβ-cyclodextrin, add aniline solution, and disperse for 30 minutes with ultrasonic vibration (ultrasonic frequency 40kHz), the aniline molecules enter the cyclodextrin cavity to form an aniline cyclodextrin inclusion compound, and after vacuum drying, we get Aniline cyclodextrin inclusion complex.
Embodiment 3
[0035] Example 3: Cyclodextrin inclusion compound polymerization of aniline
[0036] At room temperature, 5 g of aniline was dissolved in 95 mL of deionized water, and ultrasonic vibration (ultrasonic frequency 40 kHz) was dispersed for 5 minutes to obtain an aniline solution with a concentration of 5 wt%. After dissolving 5 g of β-cyclodextrin in 40 mL of deionized water, the aniline solution was added. Ultrasonic vibration (ultrasonic frequency 40kHz) disperses for 30 minutes, aniline molecules enter the cyclodextrin cavity to form an aniline cyclodextrin inclusion compound, and after vacuum drying, the aniline cyclodextrin inclusion compound is obtained;
[0037] The above-mentioned aniline-cyclodextrin inclusion compound and deionized water were prepared to prepare an aniline-cyclodextrin inclusion compound solution with a concentration of 2 wt%. Take 5mL of hydrogen peroxide (3wt%) and slowly add it dropwise to 100mL of the above-mentioned aniline-cyclodextrin inclusion c...
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