CN114262921A - Preparation method and application of polyaniline zinc ion battery electrode material - Google Patents
Preparation method and application of polyaniline zinc ion battery electrode material Download PDFInfo
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- CN114262921A CN114262921A CN202111585985.5A CN202111585985A CN114262921A CN 114262921 A CN114262921 A CN 114262921A CN 202111585985 A CN202111585985 A CN 202111585985A CN 114262921 A CN114262921 A CN 114262921A
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Abstract
The invention relates to a preparation method and application of a polyaniline zinc ion battery electrode material. The preparation method comprises the following steps: adopting perchloric acid aqueous solution containing certain amount of aniline monomer and beta-naphthalene sulfonic acid as electrolyte; adopting a three-electrode system, taking a stainless steel mesh as a working electrode, taking a saturated calomel electrode and a platinum electrode as a reference electrode and a counter electrode, and carrying out cyclic voltammetry electrochemical polymerization in a potential range of 0.5-1.6V; repeatedly cleaning the electropolymerized electrode pole piece with deionized water to remove unreacted aniline monomers on the surface; then soaking the electrode plate in a graphite oxide solution for 6-12 h; and (3) drying the obtained product at 60-80 ℃ in vacuum, and repeating the process after drying to obtain the polyaniline zinc ion battery electrode material. The preparation process is simple and has controllability; the prepared polyaniline zinc ion battery electrode material has the advantages of excellent electrochemical performance and good stability, and is very suitable for being applied to the field of zinc ion batteries as an electrode material.
Description
Technical Field
The invention belongs to the technical field of new energy electronic materials, and relates to a preparation method and application of a polyaniline zinc ion battery electrode material.
Background
Polyaniline is a high molecular compound, has special electrical and optical properties, and can have conductivity and electrochemical properties after being doped. After certain treatment, various devices and materials with special functions can be prepared, such as urease sensors which can be used as biological or chemical sensors, electron field emission sources, electrode materials with more excellent reversibility compared with the traditional lithium electrode materials in the charging and discharging processes, and the like. Xiao qi Sun et al prepared a sulfonic acid group Doped PANI (PANI-S) for use in Zinc ion battery anodes with a specific discharge capacity of 184 mAh/g at 0.2A/g (Hua-Yu Shi, Yin-Jian Ye, Kuan Liu, Dr. Yu Song, Dr. Xiaoqi Sun, A Long Cycle-Life set-bed polyurethane catalyst for Rechargeable Aqueous fuels, 2018, 57.). Xiao qi Sun et al prepared controlled introduction of quinoid active sites on Polyaniline (PANI) nanorod arrays for zinc ion battery anodes with specific discharge capacity of 186 mAh/g at 0.2A/g (Wu W, Shi H Y, Lin Z, et al, The controlled quinone introduction and conditioning modification of polyaniline catalyst materials for rechargeable aqueous zinc-polymer batteries [ J ]. Chemical Engineering Journal, 2021: 129659.).
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a preparation method and application of a polyaniline zinc ion battery electrode material with simple preparation method and high capacity.
The technical scheme of the invention is as follows:
according to the invention, the preparation method of the polyaniline zinc ion battery electrode material comprises the following steps:
(1) purifying the aniline monomer for multiple times by a reduced pressure distillation method, placing the cut stainless steel mesh in absolute ethyl alcohol for ultrasonic treatment for 30 min, and drying at 60 ℃ for 2-3 h for later use after ultrasonic treatment;
(2) weighing a certain volume of perchloric acid to prepare 1 mol/L perchloric acid aqueous solution, measuring 0.1 mol/L aniline monomer prepared by reduced pressure distillation in the step (1) and a certain amount of beta-naphthalenesulfonic acid by using a pipette, adding the aniline monomer and the beta-naphthalenesulfonic acid into the 1 mol/L perchloric acid aqueous solution, and performing ultrasonic homogenization;
(3) adopting a three-electrode system, taking the stainless steel mesh obtained in the step (1) as a working electrode, taking a saturated calomel electrode and a platinum electrode as a reference electrode and a counter electrode, taking the mixed solution obtained in the step (2) as an electrolyte, carrying out electrochemical polymerization by cyclic voltammetry at a scanning rate of 0.01-0.1V/s in a potential range of 0.5-1.6V, and circularly scanning for 100 circles;
(4) washing the electrode plate obtained in the step (3) to be neutral by using deionized water; then soaking the electrode plate in 1 mg/mL graphite oxide solution for 6-12 h;
(5) drying the product obtained in the step (4) at 60-80 ℃ in vacuum, and repeating the step (2), the step (3) and the step (4) after drying;
(6) and (4) drying the product obtained in the step (5) at the temperature of 60-80 ℃ for 12 h in vacuum to obtain the polyaniline zinc ion battery electrode material.
According to the present invention, it is preferable that the stainless steel mesh size in step (1) is 7 × 13 mm.
According to the present invention, it is preferable that the vacuum drying temperature in the step (2) is 60 ℃.
According to the present invention, it is preferable that the concentration of the β -naphthalenesulfonic acid in the step (2) is 0.005 to 0.02 mol/L.
According to the present invention, it is preferable that the graphite oxide in the step (4) is prepared by Hummers method.
An application of a high-capacity polyaniline zinc-ion battery electrode material is used for the electrode material of a zinc-ion battery.
The technical advantages of the invention are as follows:
(1) the invention has simple preparation process and controllability, and can regulate and control the performance by controlling the scanning rate and the voltage window.
(2) The high-capacity polyaniline zinc-ion battery electrode material prepared by the invention has the advantages of stable structure, excellent electrochemical performance, good rate performance and the like, and is very suitable for being applied to the field of zinc-ion batteries as an electrode material.
Drawings
Fig. 1 is a constant current charge-discharge diagram of the polyaniline zinc-ion battery electrode material prepared in example 4 of the present invention.
Fig. 2 is a scanning electron microscope image of the polyaniline zinc-ion battery electrode material prepared in example 4 of the present invention.
Fig. 3 is a transmission electron microscope image of the polyaniline zinc-ion battery electrode material prepared in example 4 of the present invention.
Claims (5)
1. A preparation method of a polyaniline zinc ion battery electrode material comprises the following steps:
(1) purifying the aniline monomer by a reduced pressure distillation method, placing a stainless steel net in absolute ethyl alcohol for ultrasonic treatment for 30 minutes, and drying at 60 ℃ for 2-3 hours after ultrasonic treatment;
(2) weighing perchloric acid with a certain volume to prepare 1 mol/L perchloric acid aqueous solution, measuring aniline monomer prepared by reduced pressure distillation in the step (1) with a pipette, adding the aniline monomer into the 1 mol/L perchloric acid aqueous solution, and performing ultrasonic homogenization;
(3) adopting a three-electrode system, taking the stainless steel mesh obtained in the step (1) as a working electrode, taking a saturated calomel electrode and a platinum electrode as a reference electrode and a counter electrode, carrying out cyclic voltammetry electrochemical polymerization at a scanning rate of 0.01-0.1V/s in a potential range of 0.5-1.6V, and carrying out cyclic scanning for 100 circles;
(4) repeatedly cleaning the electrode plate obtained in the step (3) by using deionized water to remove the aniline monomer which is not reacted on the surface; then soaking the stainless steel net in 1 mg/mL graphite oxide solution;
(5) drying the product obtained in the step (4) in vacuum at the temperature of 60-80 ℃, and repeating the steps (2), (3) and (4) after drying;
(6) and (4) drying the product obtained in the step (5) at the temperature of 60-80 ℃ for 12 h in vacuum to obtain the polyaniline zinc ion battery electrode material.
2. The method for preparing the electrode material of the polyaniline-zinc-ion battery as claimed in claim 1, wherein the size of the stainless steel mesh in step (1) is 7 x 13 mm.
3. The method for preparing the polyaniline-zinc-ion battery electrode material as claimed in claim 1, wherein the graphite oxide in step (4) is prepared by Hummers method.
4. The preparation method of the conventional viscose fiber supercapacitor electrode material according to claim 1, wherein the vacuum drying temperature in the step (5) is 60 ℃.
5. An application of polyaniline zinc ion battery electrode material, which is used for the electrode material of zinc ion battery.
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| CN202111585985.5A CN114262921A (en) | 2021-12-23 | 2021-12-23 | Preparation method and application of polyaniline zinc ion battery electrode material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114773594A (en) * | 2022-04-29 | 2022-07-22 | 齐鲁工业大学 | Preparation method of aniline-p-phenylenediamine copolymerized zinc ion battery electrode material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568848A (en) * | 2011-12-21 | 2012-07-11 | 天津大学 | Preparation method of polyaniline/graphene oxide composite electrode material |
| CN103741193A (en) * | 2014-01-08 | 2014-04-23 | 南京理工大学 | Method for realizing stable electrochemical activity of polyaniline in neutral medium |
| CN103794380A (en) * | 2014-02-26 | 2014-05-14 | 福州大学 | Polyaniline/graphite felt composite electrode and preparation method thereof |
| CN110854365A (en) * | 2019-10-30 | 2020-02-28 | 同济大学 | Preparation method of polyaniline/carbon composite material for anode material of water-based zinc-ion battery |
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2021
- 2021-12-23 CN CN202111585985.5A patent/CN114262921A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568848A (en) * | 2011-12-21 | 2012-07-11 | 天津大学 | Preparation method of polyaniline/graphene oxide composite electrode material |
| CN103741193A (en) * | 2014-01-08 | 2014-04-23 | 南京理工大学 | Method for realizing stable electrochemical activity of polyaniline in neutral medium |
| CN103794380A (en) * | 2014-02-26 | 2014-05-14 | 福州大学 | Polyaniline/graphite felt composite electrode and preparation method thereof |
| CN110854365A (en) * | 2019-10-30 | 2020-02-28 | 同济大学 | Preparation method of polyaniline/carbon composite material for anode material of water-based zinc-ion battery |
Non-Patent Citations (1)
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| 刘平桂: "聚苯胺嵌入氧化石墨复合物的合成及表征" * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114773594A (en) * | 2022-04-29 | 2022-07-22 | 齐鲁工业大学 | Preparation method of aniline-p-phenylenediamine copolymerized zinc ion battery electrode material |
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