CN112736244A - Preparation method of zinc ion battery positive electrode material and electrode material prepared by preparation method - Google Patents

Preparation method of zinc ion battery positive electrode material and electrode material prepared by preparation method Download PDF

Info

Publication number
CN112736244A
CN112736244A CN202011551425.3A CN202011551425A CN112736244A CN 112736244 A CN112736244 A CN 112736244A CN 202011551425 A CN202011551425 A CN 202011551425A CN 112736244 A CN112736244 A CN 112736244A
Authority
CN
China
Prior art keywords
electrode material
ion battery
polyaniline
preparation
aniline hydrochloride
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202011551425.3A
Other languages
Chinese (zh)
Other versions
CN112736244B (en
Inventor
黄华波
吴可嘉
涂金英
徐雪
李成
李亮
刘玉兰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Institute of Technology
Original Assignee
Wuhan Institute of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan Institute of Technology filed Critical Wuhan Institute of Technology
Priority to CN202011551425.3A priority Critical patent/CN112736244B/en
Publication of CN112736244A publication Critical patent/CN112736244A/en
Application granted granted Critical
Publication of CN112736244B publication Critical patent/CN112736244B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/60Selection of substances as active materials, active masses, active liquids of organic compounds
    • H01M4/602Polymers
    • H01M4/606Polymers containing aromatic main chain polymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00Nanotechnology for materials or surface science, e.g. nanocomposites
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00Manufacture or treatment of nanostructures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/36Accumulators not provided for in groups H01M10/05-H01M10/34
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

The invention relates to a preparation method of a zinc ion battery anode material and the electrode material prepared by the method, which comprises the following steps: respectively dissolving sodium dodecyl benzene sulfonate and aniline hydrochloride into water to obtain a mixed solution system, wherein the concentration of the sodium dodecyl benzene sulfonate is 0.01-1.0 mol/L, the concentration of the aniline hydrochloride is 0.03-3.0 mol/L, and the molar ratio of the sodium dodecyl benzene sulfonate to the aniline hydrochloride is 1 (3-5); cooling the mixed solution system to 0-4 ℃, adding an oxidant, uniformly mixing, and standing for reaction to obtain a stable polyaniline hydrogel, wherein the molar ratio of the oxidant to the aniline hydrochloride is 0.1-3.0; and washing the polyaniline hydrogel with water for several times, and freeze-drying to obtain the product polyaniline material. The preparation method of the zinc ion battery cathode material is simple in preparation and low in preparation cost; the prepared polyaniline hydrogel zinc-ion battery positive electrode material has a complete nanofiber structure, and the cycling stability of the electrode material is improved.

Description

Preparation method of zinc ion battery positive electrode material and electrode material prepared by preparation method
Technical Field
The invention belongs to the technical field of battery materials, and particularly relates to a preparation method of a zinc ion battery anode material and an electrode material prepared by the zinc ion battery anode material.
Background
Due to high energy density, long service life and high energy efficiency, lithium ion batteries are one of the most widely used energy storage devices at present, however, flammable and explosive organic electrolytes, limited lithium storage capacity and high price are significant challenges in lithium ion battery applications. For this reason, aqueous metal ion batteries with abundant elemental reserves and low prices are receiving increasing attention from researchers, and among them, zinc ion batteries composed of a zinc metal negative electrode, a zinc ion aqueous electrolyte and a positive electrode are favored by researchers, and zinc has the following remarkable advantages: the zinc metal resource is rich, the chemical stability is high, and the zinc metal has proper oxidation-reduction potential (-0.76V vs. standard hydrogen electrode) and high theoretical specific capacity (820mAh g)-1) (ii) a The neutral zinc salt aqueous solution is an electrolyte, has low cost, safety, high ionic conductivity, environmental friendliness and the like, and has great competitiveness in large-scale application as an energy storage device due to the advantages. However, for zinc ion batteries, due to Zn2+The high polarization characteristic and the narrow potential window in which the aqueous electrolyte can stably exist are important for developing a suitable positive electrode material.
Currently, research on positive electrode materials of zinc ion batteries is becoming a research focus, and there are mainly four types of reported material systems: manganese series, vanadium series, Prussian blue series compounds and organic materials. The first three electrode materials are inorganic substances and mainly come from mineral substances, so that excessive mining of the electrode materials can cause damage to the natural environment and the problem of resource shortage in the future is likely to occur; in addition, they have the problems of poor conductivity and poor cycle stability. The research on organic electrode materials is not common at present, and although the capacity is not particularly outstanding, the organic electrode materials have the characteristics of resource sustainability, structural diversity, designability, flexibility and the like, and are an important development direction in the future.
Among organic motor materials, polyaniline has the advantages of good conductivity, simple synthesis, environmental friendliness and the like, and is one of the most studied organic positive electrode materials of zinc ion batteries at present, and although polyaniline has ideal conductivity and electrochemical zinc storage capacity, the cycling stability in the charging and discharging process is not ideal. In order to solve the problems, Sun et al synthesizes a polyaniline copolymer anode (Angewandte chemical International Edition,2018,57, 16359) with a self-doping structure, and has a complex synthesis process; chen et al utilize a novel electrolyte (Zn (CF)3SO3)2) constructing a polyaniline based zinc ion battery (Advanced Functional Materials 2018,28, 1804975) with a composite zinc storage mechanism. Although they all achieve the desired cycle stability, there are problems that the electrolyte is expensive.
Disclosure of Invention
The technical problem solved by the invention is as follows: the preparation method of the zinc ion battery anode material and the electrode material prepared by the preparation method are provided, and used for solving the problems of complex process and high price in the prior art; the prepared polyaniline hydrogel zinc-ion battery positive electrode material has a complete nanofiber structure, effectively improves the cycling stability of the electrode material, and has great application value.
The specific solution provided by the invention is as follows:
the invention provides a preparation method of a zinc ion battery anode material, which comprises the following steps:
respectively dissolving sodium dodecyl benzene sulfonate and aniline hydrochloride into water to obtain a mixed solution system, wherein the concentration of the sodium dodecyl benzene sulfonate is 0.01-1.0 mol/L, the concentration of the aniline hydrochloride is 0.03-3.0 mol/L, and the molar ratio of the sodium dodecyl benzene sulfonate to the aniline hydrochloride is 1 (3-5);
cooling the mixed solution system to 0-4 ℃, adding an oxidant, uniformly mixing, and standing for reaction to obtain a stable polyaniline hydrogel, wherein the molar ratio of the oxidant to the aniline hydrochloride is 0.1-3.0;
and step three, washing the polyaniline hydrogel for a plurality of times by using water, and freeze-drying to obtain the product polyaniline material.
The method based on the invention has the following beneficial effects:
(1) the zinc ion battery anode material provided by the invention has the advantages of easily available raw materials, simple preparation process and low cost.
(2) The microstructure of the electrode material is a complete nanofiber structure, so that a continuous conductive path can be provided for the electrode, the conductivity of the material is improved, and the circulating stability of the electrode can be effectively improved.
(3) Adding dodecyl benzene sulfonic acid as template agent, forming compound under the action of static electricity, and then forms pi-pi accumulation action after compounding, the sodium dodecyl benzene sulfonate and aniline hydrochloride are assembled to form a fiber structure under the electrostatic action and the pi-pi accumulation action, specifically, the sodium dodecyl benzene sulfonate and aniline hydrochloride are close to each other under the electrostatic action, then further assembling to form a fiber structure through the pi-pi action of benzene rings among sodium dodecyl benzene sulfonate molecules and the pi-pi action among aniline hydrochloride molecules, adding an oxidant, generating the polyaniline fiber in situ, and further winding to form stable block-shaped hydrogel, wherein the microstructure of the obtained hydrogel is formed by wound fibers, and the fiber diameter is uniform, the continuity is good, and the polyaniline material with the nanofiber structure can be obtained after freeze drying.
(4) The existence of impurity ions in the polyaniline material of the product can influence the conductivity of the material, aniline hydrochloride is used as a raw material, and the impurity HCl in the product is easy to remove by vacuum drying, so that the purity of the polyaniline material is improved, and the stability of the property of the electrode material is ensured.
On the basis of the scheme, the invention can be further improved as follows:
further, the oxidant is selected from one or more of ammonium persulfate, potassium persulfate, sodium persulfate, potassium permanganate, ferric chloride, ferric sulfate and hydrogen peroxide.
The oxidant can be used as an initiator for synthesizing polyaniline on a large scale, and is easy to industrially carry out.
Preferably, the oxidant is ammonium sulfate.
The ammonium persulfate does not contain metal ions, has strong oxidizing power and is convenient for post-treatment.
Further, the temperature of the standing reaction is 0-50 ℃.
Preferably, the temperature of the standing reaction is 0-25 ℃.
Under the condition, heating is not needed, and the polyaniline material with the nanofiber structure, which is regular in appearance and good in conductivity, can be obtained.
The time for further standing reaction is 1-72 h. Under these conditions, the respective raw materials can react sufficiently.
Further, the number of washing times is 5 to 10. Most impurities can be washed off under the condition, and the circulation stability of the electrode is effectively improved.
The zinc ion battery positive electrode material is prepared according to the preparation method.
The electrode material is prepared according to the method, the microstructure is a complete nanofiber structure, a continuous conductive path can be provided for the electrode, and the circulation stability of the electrode can be effectively improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is an SEM image of a polyaniline material prepared in example 4 of the present invention: (a) low magnification and (b) high magnification.
FIG. 2 is an SEM image of comparative sample 1 prepared in comparative example 1: (a) low magnification and (b) high magnification.
FIG. 3 is an SEM image of comparative sample 2 prepared in comparative example 2: (a) low magnification and (b) high magnification.
FIG. 4 is a graph of the current density of 0.1A g for the polyaniline material prepared in example 4, comparative sample 1, and comparative sample 2-1Comparison of the cycling stability of the following.
FIG. 5 is a graph showing the current density of 0.5 A.g for the polyaniline material prepared in example 4, comparative sample 1 and comparative sample 2-1Comparison of the cycling stability of the following.
Detailed Description
In order to better understand the present invention, the following examples are further provided to illustrate the present invention, but the present invention is not limited to the following examples.
Example 1
Firstly, 2mmol of sodium dodecyl benzene sulfonate and 10mmol of aniline hydrochloride are sequentially added into 40mL of deionized water, and stirred to completely dissolve the sodium dodecyl benzene sulfonate and the aniline hydrochloride. And then, placing the mixed solution system in an ice-water bath, cooling to 0-4 ℃, adding 10mmol of ammonium persulfate, uniformly stirring, and standing at 4 ℃ for reaction for 12 hours to form the stable polyaniline hydrogel. And finally, washing the polyaniline hydrogel for 5 times by using a large amount of deionized water, and freeze-drying to obtain the product polyaniline material which can be used as the positive electrode material of the zinc ion battery.
Example 2
Firstly, 2mmol of sodium dodecyl benzene sulfonate and 12mmol of aniline hydrochloride are sequentially added into 40mL of deionized water, and stirred to completely dissolve the sodium dodecyl benzene sulfonate and the aniline hydrochloride. And then, placing the mixed solution system in an ice-water bath, cooling to 0-4 ℃, adding 7mmol of potassium permanganate, uniformly stirring, and standing at 4 ℃ for reaction for 12 hours to form the stable polyaniline hydrogel. And finally, washing the polyaniline hydrogel for 5 times by using a large amount of deionized water, and freeze-drying to obtain the product polyaniline material.
Example 3
Firstly, 2mmol of sodium dodecyl benzene sulfonate and 12mmol of aniline hydrochloride are sequentially added into 40mL of deionized water, and stirred to completely dissolve the sodium dodecyl benzene sulfonate and the aniline hydrochloride. And then, placing the mixed solution system in an ice-water bath, cooling to 0-4 ℃, adding 12mmol of ammonium persulfate, uniformly stirring, and standing at 4 ℃ for reaction for 24 hours to form the stable polyaniline hydrogel. And finally, washing the polyaniline hydrogel for 5 times by using a large amount of deionized water, and freeze-drying to obtain the product polyaniline material.
Example 4
Firstly, 4mmol of sodium dodecyl benzene sulfonate and 12mmol of aniline hydrochloride are sequentially added into 40mL of deionized water, and stirred to completely dissolve the sodium dodecyl benzene sulfonate and the aniline hydrochloride. And then, placing the mixed solution system in an ice-water bath, cooling to 0-4 ℃, adding 12mmol of ammonium persulfate, uniformly stirring, and standing at 4 ℃ for reaction for 24 hours to form the stable polyaniline hydrogel. And finally, washing the polyaniline hydrogel for 5 times by using a large amount of deionized water, and freeze-drying to obtain the product polyaniline material.
Example 5
Firstly, 4mmol of sodium dodecyl benzene sulfonate and 12mmol of aniline hydrochloride are sequentially added into 40mL of deionized water, and stirred to completely dissolve the sodium dodecyl benzene sulfonate and the aniline hydrochloride. And then, placing the mixed solution system in an ice-water bath, cooling to 0-4 ℃, adding 12mmol of ferric chloride, uniformly stirring, and standing at 4 ℃ for reaction for 24 hours to form the stable polyaniline hydrogel. And finally, washing the polyaniline hydrogel for 5 times by using a large amount of deionized water, and freeze-drying to obtain the product polyaniline material.
Example 6
Firstly, 4mmol of sodium dodecyl benzene sulfonate and 12mmol of aniline hydrochloride are sequentially added into 40mL of deionized water and stirred to completely dissolve the sodium dodecyl benzene sulfonate and the aniline hydrochloride. And then, placing the mixed solution system in an ice-water bath, cooling to 0-4 ℃, adding 12mmol of ammonium persulfate, uniformly stirring, and standing at room temperature for reaction for 12 hours to form the stable polyaniline hydrogel. And finally, washing the polyaniline hydrogel for 3 times by using a large amount of deionized water, and freeze-drying to obtain the product polyaniline material.
Comparative example 1:
in order to reflect the superiority of the structure of the polyaniline material prepared by the present invention, a comparative experiment was also performed in this example, and the specific preparation process is different from that in example 4 only in that: the preparation process was carried out without adding sodium dodecylbenzenesulfonate, and the other operations were identical to those of example 4.
The preparation process comprises the following steps:
12mmol aniline hydrochloride was added to 40mL deionized water and stirred until aniline hydrochloride was completely dissolved. And then, placing the mixed solution system in an ice water bath, cooling to 0-4 ℃, adding 12mmol of ammonium persulfate, uniformly stirring, and standing at 4 ℃ for reaction for 24 hours to form a suspension. Finally, the suspension was filtered and the filtrate was washed 5 times and freeze dried to give comparative sample 1.
Comparative example 2
Compared with the example 4, the specific preparation process is different only in that: the sodium dodecylbenzenesulfonate added in example 4 was replaced with sodium dodecylsulfate, and the other operations were identical to those in example 4.
The preparation process comprises the following steps:
first, 4mmol of sodium dodecyl sulfate and 12mmol of aniline hydrochloride were added to 40mL of deionized water in this order, and the mixture was stirred to completely dissolve the sodium dodecyl sulfate and aniline hydrochloride. And then, placing the mixed solution system in an ice-water bath, cooling to 0-4 ℃, adding 12mmol of ammonium persulfate, uniformly stirring, and standing at 4 ℃ for reaction for 24 hours to form the stable polyaniline hydrogel. Finally, the polyaniline hydrogel was washed 5 times with a large amount of deionized water, and freeze-dried to obtain comparative sample 2.
SEM characterization is performed on the polyaniline materials prepared in example 4, comparative example 1, and comparative example 2, and the results are shown in fig. 1-3, where fig. 1a and fig. 1b are SEM images of the polyaniline material prepared in example 4 of the present invention, and it can be clearly seen from fig. 1b that the micro-morphology of the electrode material is a continuous nanofiber structure, which not only can provide a continuous conductive channel for the electrode, but also can effectively improve the structural stability of the electrode; fig. 2a and 2b are SEM images of a comparative sample 1 prepared in comparative example 1, and it can be clearly seen that the polyaniline material exhibits a random morphology; fig. 3a and 3b are SEM images of a comparative sample 2 prepared in comparative example 2, and the morphology of the polyaniline material is a three-dimensional porous structure formed by aggregation of nanoparticles.
The electrochemical stability test was performed on the polyaniline materials prepared in example 4, comparative example 1, and comparative example 2 by a constant current charge and discharge method, and fig. 4 and 5 were obtained. FIG. 3 shows the current density of the sample prepared in example 4 of the present invention and that of comparative samples 1 and 2 at 0.1 A.g-1The comparison of the cycling stability shows that the specific capacity of the polyaniline material prepared in example 4 is not obviously attenuated in a test interval; under low current density, after the comparative sample 1 is subjected to charge and discharge cycles for 20 times, the specific capacity is reduced sharply, and the stability of the electrode material can be improved by the three-dimensional structure in the comparative sample 2, but the stability of the nanofiber structure of the sample in the example 4 is better; FIG. 4 shows the current density of 0.5 A.g for the polyaniline material prepared in example 4 of the present invention, comparative sample 1 and comparative sample 2-1As can be seen from the comparison of the following cycle stability, at a higher current density, the specific capacity retention rate of the sample prepared in example 4 is 81% after 1500 times of charge and discharge cycles, which represents excellent cycle stability, and the specific capacity is sharply reduced after the charge and discharge cycles of the comparative sample 1 do not exceed 100 times, and the specific capacity is also significantly reduced due to the increase of the charge and discharge cycles of the comparative sample 2.
The microstructure of the electrode material prepared by the preparation method provided by the invention has a complete nanofiber structure, so that the cycling stability of the electrode can be effectively improved, and the electrode material has a good application prospect.
Although embodiments of the present invention have been described in detail above, those of ordinary skill in the art will understand that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (6)

1. A preparation method of a zinc ion battery positive electrode material is characterized by comprising the following steps:
respectively dissolving sodium dodecyl benzene sulfonate and aniline hydrochloride into water to obtain a mixed solution system, wherein the concentration of the sodium dodecyl benzene sulfonate is 0.01-1.0 mol/L, the concentration of the aniline hydrochloride is 0.03-3.0 mol/L, and the molar ratio of the sodium dodecyl benzene sulfonate to the aniline hydrochloride is 1 (3-5);
cooling the mixed solution system to 0-4 ℃, adding an oxidant, uniformly mixing, and standing for reaction to obtain a stable polyaniline hydrogel, wherein the molar ratio of the oxidant to the aniline hydrochloride is 0.1-3.0;
and step three, washing the polyaniline hydrogel for a plurality of times by using water, and freeze-drying to obtain the product polyaniline material.
2. The method for preparing the positive electrode material of the zinc-ion battery according to claim 1, wherein the oxidant is selected from one or more of ammonium persulfate, potassium persulfate, sodium persulfate, potassium permanganate, ferric chloride, ferric sulfate and hydrogen peroxide.
3. The method for preparing the positive electrode material of the zinc-ion battery according to claim 1, wherein the temperature of the standing reaction is 0-50 ℃.
4. The method for preparing the positive electrode material of the zinc-ion battery according to claim 1, wherein the standing reaction time is 1-72 hours.
5. The method for preparing the positive electrode material for the zinc-ion battery according to claim 1, wherein the number of washing times is 5 to 10.
6. A positive electrode material for a zinc ion battery, characterized by being produced by the production method according to any one of claims 1 to 5.
CN202011551425.3A 2020-12-24 2020-12-24 Preparation method of zinc ion battery positive electrode material and electrode material prepared by preparation method Active CN112736244B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011551425.3A CN112736244B (en) 2020-12-24 2020-12-24 Preparation method of zinc ion battery positive electrode material and electrode material prepared by preparation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011551425.3A CN112736244B (en) 2020-12-24 2020-12-24 Preparation method of zinc ion battery positive electrode material and electrode material prepared by preparation method

Publications (2)

Publication Number Publication Date
CN112736244A true CN112736244A (en) 2021-04-30
CN112736244B CN112736244B (en) 2023-11-28

Family

ID=75615303

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011551425.3A Active CN112736244B (en) 2020-12-24 2020-12-24 Preparation method of zinc ion battery positive electrode material and electrode material prepared by preparation method

Country Status (1)

Country Link
CN (1) CN112736244B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114381016A (en) * 2021-12-28 2022-04-22 武汉工程大学 Method for in-situ synthesis of polyaniline/manganese dioxide composite hydrogel and application thereof
CN114628654A (en) * 2022-02-28 2022-06-14 武汉工程大学 Polyimide/polyaniline composite zinc ion battery positive electrode material and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1021921A (en) * 1996-07-05 1998-01-23 Mitsubishi Heavy Ind Ltd Polyaniline composition and manufacture thereof
CN106496602A (en) * 2016-10-27 2017-03-15 山东科技大学 A kind of preparation method of flexible compound hydrogel

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1021921A (en) * 1996-07-05 1998-01-23 Mitsubishi Heavy Ind Ltd Polyaniline composition and manufacture thereof
CN106496602A (en) * 2016-10-27 2017-03-15 山东科技大学 A kind of preparation method of flexible compound hydrogel

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
HUABO HUANG: "Reinforced conducting hydrogels prepared fromthe in situ polymerization of aniline in an aqueous solution of sodium alginate" *
HUA-YU SHI: "A Long-Cycle-Life Self-Doped Polyaniline Cathode for Rechargeable Aqueous Zinc Batteries" *
LIN YOU-CHENG: "Preparation and Application of Polyaniline Doped with DifferentSulfonic Acids for Supercapacitor" *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114381016A (en) * 2021-12-28 2022-04-22 武汉工程大学 Method for in-situ synthesis of polyaniline/manganese dioxide composite hydrogel and application thereof
CN114628654A (en) * 2022-02-28 2022-06-14 武汉工程大学 Polyimide/polyaniline composite zinc ion battery positive electrode material and preparation method thereof
CN114628654B (en) * 2022-02-28 2023-12-29 武汉工程大学 Polyimide/polyaniline composite zinc ion battery positive electrode material and preparation method thereof

Also Published As

Publication number Publication date
CN112736244B (en) 2023-11-28

Similar Documents

Publication Publication Date Title
Yan et al. Insight into the electrolyte strategies for aqueous zinc ion batteries
Xie et al. High performance of zinc-ferrum redox flow battery with Ac−/HAc buffer solution
CN112736244B (en) Preparation method of zinc ion battery positive electrode material and electrode material prepared by preparation method
CN104993111A (en) Manganese dioxide/nitrating carbon fiber cathode composite material for sodium-ion battery and preparing method thereof
CN109346691B (en) Preparation method of lithium-sulfur battery positive electrode material
CN113444371A (en) Preparation method and application of metal organic framework/polyaniline composite material
CN112510255A (en) Gel electrolyte of zinc-based battery and preparation and application thereof
CN101901937B (en) Cerium ion electrolyte using silver ion as anode catalyst and preparation method thereof
CN115377412A (en) Preparation method and application of high-conductivity Prussian blue positive electrode material
CN114709495A (en) Deep eutectic electrolyte and application thereof in aqueous sodium-ion battery
CN105024050A (en) Bismuth selenide/carbon nanofiber composite anode material for sodium ion battery and preparation method thereof
Wang et al. Optimized cyclic durability of α-MnO2 nanosheets for zinc ion storage through synergistic effect of lithium ions pre-embedding and electrolyte additives
CN113206283A (en) Aqueous zinc ion battery electrolyte based on eutectic salt electrolyte
CN113527673A (en) Preparation method and application of graphene oxide/polyaniline composite material
CN105161689A (en) Preparing method and application of polypyrrole/multi-wall carbon nanotube/sulfur composite material
Zhong et al. Preparation and interface stability of alginate-based gel polymer electrolyte for rechargeable aqueous zinc ion batteries
WO2023158631A1 (en) Manufacturing mixed fe/v electrolytes for flow batteries
Yan et al. Spontaneous Proton Chemistry Enables Ultralow‐temperature and Long‐life Aqueous Copper Metal Batteries
CN111082162A (en) Aqueous sodium ion battery
CN116315156A (en) Preparation method of organic/water hybrid electrolyte, battery and application
US20230261233A1 (en) Increasing reactant utilization in fe/v flow batteries
CN108511812A (en) A kind of mixing water system lithium cell electrolyte solution and preparation method
CN114122394B (en) Polyoxazine material and preparation method and application thereof
CN113772727A (en) Preparation method and application of iron-doped copper pyrovanadate material
Wang et al. High-performance aqueous rechargeable batteries based on zinc anode and NiCo 2 O 4 cathode

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant