Zinc ion battery with self-charging characteristic and preparation method thereof

The invention discloses a zinc ion battery with a self-charging characteristic and a preparation method thereof, and the preparation method comprises the following steps: dissolving zinc trifluoromethanesulfonate as an electrolyte in deionized water, adjusting the pH value to be acidic by using sulf...

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Bibliographische Detailangaben
Hauptverfasser: JIANG HAO, WANG RONGSHUO, TANG FANHAO, CHEN SHANSHAN, HE DONGXU
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention discloses a zinc ion battery with a self-charging characteristic and a preparation method thereof, and the preparation method comprises the following steps: dissolving zinc trifluoromethanesulfonate as an electrolyte in deionized water, adjusting the pH value to be acidic by using sulfuric acid, adding PVA, and stirring for a certain time at a proper temperature to obtain a gel electrolyte; graphite paper treated by a mixed solution of potassium permanganate, concentrated sulfuric acid and concentrated phosphoric acid is used as an active substrate, polyaniline and metal zinc are deposited on the active substrate, and a polyaniline/graphene oxide positive electrode and a zinc/graphene oxide negative electrode are obtained. The obtained positive electrode, the obtained negative electrode and gel electrolyte form the zinc ion battery with the self-charging characteristic. Based on an active graphene substrate, the zinc ion battery which takes polyaniline as an active material and has a self-chargi