CN112886100A - Preparation method of high-toughness gel electrolyte and all-solid-state zinc-air battery with firm interface - Google Patents
Preparation method of high-toughness gel electrolyte and all-solid-state zinc-air battery with firm interface Download PDFInfo
- Publication number
- CN112886100A CN112886100A CN202110155677.2A CN202110155677A CN112886100A CN 112886100 A CN112886100 A CN 112886100A CN 202110155677 A CN202110155677 A CN 202110155677A CN 112886100 A CN112886100 A CN 112886100A
- Authority
- CN
- China
- Prior art keywords
- paa
- hydrogel
- toughness
- gel electrolyte
- zinc
- 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
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M12/00—Hybrid cells; Manufacture thereof
- H01M12/04—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
- H01M12/06—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0085—Immobilising or gelification of electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0088—Composites
- H01M2300/0091—Composites in the form of mixtures
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Hybrid Cells (AREA)
- Conductive Materials (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a high-toughness gel electrolyte, which utilizes Hofmeister effect to mix original weak PAA-Fe3+the/CS hydrogel is soaked in a salt solution to prepare the toughness-enhanced PAA-Fe with excellent mechanical property3+a/CS hydrogel electrolyte. The PAA-Fe is prepared by adopting ammonium chloride and zinc chloride as ion conductors in electrolyte, adopting polyacrylic acid as a polymer skeleton and ammonium persulfate as an initiator through one-pot method free radical polymerization in the presence of chitosan and ferric chloride3+/CS hydrogel in the construction of PAA-Fe3+After networking, a soaking strategy is adopted to induce chain entanglement of chitosan, and the high-toughness electrolyte for the zinc-air battery is obtained. The electrolyte has high toughness, can be assembled into a battery, can avoid relative displacement or separation caused by bending strain, enhances interface contact to promote electrochemical kinetics, and shows good working time and durability.
Description
Technical Field
The invention belongs to the field of energy storage devices, and particularly relates to a high-toughness gel electrolyte and a preparation method of an all-solid-state zinc-air battery with a firm interface.
Background
Zinc-air batteries are being investigated as promising new energy devices due to their low cost, environmental friendliness and high energy density. It is becoming increasingly attractive to explore solid state zinc-air cells with high flexibility and intrinsic safety. The solid zinc-air battery can meet the requirements of wearable and stretchable electronic products, and the traditional zinc-air battery consists of a zinc electrode, an electrolyte and an air electrode. However, conventional sandwich battery constructions inevitably suffer from relative displacement or separation under bending strain between two adjacent components, which severely degrades the performance of the flexible battery.
Disclosure of Invention
The invention aims to: overcomes the defects of the prior art and provides a preparation method of a high-toughness gel electrolyte and an all-solid-state zinc-air battery with a firm interface. The working time and the cycle life of the battery can be greatly improved, and in addition, the hydrogel electrolyte is enhanced to ensure that the zinc-air battery has the required flexibility and structural stability, and has excellent electrochemical dynamics and stable electrochemical performance in different bending states.
In order to achieve the above purpose, the invention provides the following technical scheme:
a high-toughness gel electrolyte, which is PAA-Fe reinforced by mixed aqueous solution of ammonium chloride and zinc chloride3+Solid electrolyte of/CS hydrogel.
A preparation method of a high-toughness gel electrolyte comprises the following specific steps:
(1) dispersing chitosan powder in deionized water, and then stirring at room temperature to obtain a uniform and transparent solution;
(2) adding acrylic acid, a crosslinking agent N, N' -methylene bisacrylamide and ferric chloride hexahydrate into the solution obtained in the step (1) to form a transparent precursor solution, and removing oxygen bubbles by using ultrasound;
(3) adding initiator ammonium persulfate and catalyst tetramethyl ethylene diamine into the solution obtained in the step (2), stirring, and injecting the obtained transparent solution into a glass cylindrical mold;
(4) keeping the temperature of the mould at 55-65 ℃ for 1.5-2.5h to obtain PAA-Fe3+A CS hydrogel;
(5) mixing PAA-Fe3+NH/CS hydrogel4Cl and ZnCl2Soaking in the mixed aqueous solution of (1) at room temperatureObtaining enhanced PAA-Fe3+the/CS hydrogel is high-toughness gel electrolyte.
Preferably, the mass ratio of the acrylic acid to the chitosan is (10-20): (1-2); said PAA-Fe3+In the CS hydrogel, the mass percent of polyacrylic acid is 20-40 wt%, and the mass percent of chitosan is 2-4 wt%.
Preferably, the stirring time in step (3) is 5 to 15 s.
Preferably, the stirring time in step (3) is 10 s.
Preferably, the NH used for soaking in step (5)4The concentration of Cl is 1-5mol/L, ZnCl2The concentration of (B) is 0.1-2.5 mol/L.
A method for preparing all-solid-state zinc-air battery with firm interface includes applying carbon cloth as air electrode and PAA-Fe3+Cutting the/CS hydrogel and zinc sheet into required size, bonding, heating in glove box, and adding NH4Cl and ZnCl2Soaking the mixed aqueous solution for 1-5 h.
Preferably, said NH4Cl and ZnCl2NH in the mixed aqueous solution of4The concentration of Cl is 1-5mol/L, ZnCl2The concentration of (B) is 0.1-2.5 mol/L.
Preferably, the heating time is 10-40min, and the heating temperature is 40-80 ℃.
Compared with the prior art, the invention has the following beneficial effects:
the invention adopts the PAA-Fe with high toughness3+the/CS hydrogel electrolyte, and the unique adhesion process triggered by the hofmeis response, integrates the zinc anode, bifunctional catalyst, hydrogel electrolyte and air cathode into one entity, called the integrated electrode, enabling long cycle life and extremely high flexibility for zinc-air cells in aqueous electrolytes. The seamless connection to adjacent layers not only avoids relative displacement or separation due to bending strain, but enhances interfacial contact to promote electrochemical kinetics. The concrete advantages are as follows:
(1) using PAA-Fe3+And CS as polymer bone in electrolyteThe electrolyte for the zinc-air battery with high toughness is obtained by soaking in a salt solution;
(2) the continuous seamless connection enhanced interface contact greatly reduces the interface contact resistance and reduces the polarization of the battery;
(3) cathode material and PAA-Fe3+The strong adhesion between/CS hydrogels avoids the increase of the internal contact resistance of the cathode upon detachment and bending of the active material.
Drawings
Fig. 1 is a schematic structural diagram of an all-solid-state zinc-air battery with a firm interface according to the present invention, wherein 1 is a zinc electrode, 2 is an electrolyte, and 3 is a carbon cloth air electrode.
FIG. 2 shows an all-solid-state zinc-air cell of the invention (cell of example 1) at 5mA cm with a robust interface-2Cycling stability curve at current density.
Fig. 3 is a schematic diagram of a 90 ° peel test for an all-solid-state zinc-air cell with a robust interface of the present invention.
FIG. 4 shows the cell of comparative example 1 at 5mA cm-2Cycling stability curve at current density.
Fig. 5 shows the electrochemical performance of the solid-state zinc-air cell with robust interface of the present invention in various destructive tests (including bending test, torsion test, hammer test, freezing test).
Detailed Description
The technical solution of the present invention will be described in detail with reference to specific examples.
Example 1
1. Preparation of carbon cloth air electrode
The air electrode is composed of carbon cloth loaded with octa-cobalt sulfide powder. And cleaning and drying the carbon cloth in alcohol and deionized water. The electrode slurry is prepared from octa-cobalt sulfide powder, conductive carbon black, deionized water, isopropanol and a Nafion solution. Uniformly coating the catalyst on the cleaned carbon cloth by using the catalyst slurry prepared by ultrasonic treatment for 30min, wherein the loading amount is about 1mg cm-2Subsequently, the prepared air electrode was dried at room temperature overnight. Can be prepared to be finishedThe carbon cloth air electrode of (1).
2. Preparation of electrolyte
PAA-Fe3+CS hydrogel: firstly, 1-2g of chitosan is weighed and dissolved in water solution, and magnetic stirring is carried out at normal temperature. Acrylic acid (AA,10-20g), crosslinker N, N' -methylenebisacrylamide (MBA,90ul, 20mg/mL) and ferric chloride hexahydrate (FeCl) were then added36H2O,1g) was stirred at room temperature to give a homogeneous and transparent solution. Then, ammonium persulfate as an initiator (KPS,2g, 40mg/mL) and tetramethylethylenediamine as a catalyst (TEMED,15ul) were added to the solution, and after stirring, the resulting clear solution was injected into a glass cylindrical mold. And keeping the temperature of the die at 60 ℃ for 2h to form the solid electrolyte.
Enhanced PAA-Fe3+CS hydrogel: mixing PAA-Fe3+NH/CS hydrogel4Cl and ZnCl2The mixed aqueous solution of (A) is soaked at room temperature to obtain the enhanced PAA-Fe3+the/CS hydrogel is high-toughness gel electrolyte.
3. Preparation of all-solid-state zinc-air battery with firm interface
The zinc electrode is made of pure zinc sheets with the thickness of 0.3-0.5mm, the zinc sheets are cut into rectangles with the length of 2-3 cm and the width of 1-2 cm, and the rectangles are polished by abrasive paper to remove oxides. The prepared air electrode and electrolyte are cut into strips with the length of 2cm-3cm and the width of 1cm-2cm, so that the zinc-air battery is convenient to assemble. Then, the zinc electrode, the electrolyte and the air electrode are smoothly assembled (bonded together) in a sandwich structure mode, then the whole battery is placed in a glove box and heated at the temperature of 40-60 ℃ for 10-30min, and finally soaked in 2.5M ammonium chloride and 0.5M zinc chloride solution for 1-5 hours.
Comparative example 1
1. Preparation of carbon cloth air electrode
The air electrode is composed of carbon cloth loaded with octa-cobalt sulfide powder. And cleaning and drying the carbon cloth in alcohol and deionized water. The electrode slurry is prepared from octa-cobalt sulfide powder, conductive carbon black, deionized water, isopropanol and a Nafion solution. Uniformly coating the catalyst on the cleaned carbon cloth by using the catalyst slurry prepared by ultrasonic treatment for 30min, wherein the loading amount is about 1mg cm-2Followed byAfter that, the prepared air electrode was dried at room temperature overnight. And obtaining the prepared carbon cloth air electrode.
2. Preparation of electrolyte
Preparation of PVA electrolyte: the PVA gel polymer electrolyte membrane was prepared by a freeze-thaw technique. The PVA particles were completely dissolved in water under mechanical stirring at 90 ℃. After cooling to room temperature, the PVA solution was cast onto a glass plate. The membrane was then immediately immersed in acetone for 10 minutes to solidify and then frozen for 24 hours. The resulting porous film was then melted at 30 ℃ and this process was repeated several times to effect crosslinking. The membrane was washed with deionized water, immersed in KOH solution and equilibrated for 24 hours. Thereby obtaining a PVA gel electrolyte membrane.
3. Preparation of PVA-based sandwich structure zinc-air battery
And cutting a zinc sheet with the thickness of 0.3-0.5mm into strips with the length and the width of 2-3 cm, cutting the prepared air electrodes into the same size, respectively placing the air electrodes on two sides of the prepared PVA gel electrolyte membrane, and bonding the air electrodes together to form the common PVA-based sandwich structure zinc-air battery.
Analysis of results
1. Sandwich zinc-air cells using PVA system were tested using wuhan blue cell test system CT2001A, shown in fig. 4, and operated at current density for approximately 10 hours.
2. Enhanced PAA-Fe using ammonium chloride and zinc chloride system using Wuhan blue electric cell test system CT2001A3+The zinc-air cell with/CS solid electrolyte assembly was tested and still operated at this current density for nearly 120 hours as shown in fig. 2; in addition, as shown in fig. 5, the battery can provide stable charging and discharging current under different test environments.
3. Use of extensometer for reinforced PAA-Fe3+The zinc-air cell assembled with/CS solid electrolyte was subjected to a peel test, and fig. 3 is a schematic 90 ° peel test of an all-solid zinc-air cell with a robust interface according to the present invention. Adhesion was measured using a 90 degree peel method with an electronic universal tester. All the pieces of the material having a width of 2.5 cm were prepared,an adhesive substrate having a length of 7.5 cm and a thickness of 1 mm. The carbon cloth and the zinc plate were bonded to the glass plate using a double-sided adhesive tape. The PET film will act as a rigid backing for the hydrogel. Using a standard 90 degree peel test at 50mm min-1The resulting samples were tested for constant peel speed. As can be seen in fig. 3: enhanced PAA-Fe3+the/CS hydrogel provides much greater interfacial toughness than the base PVA gel.
The above description is only illustrative of the concept of the present invention, and the adjustment of the process parameters according to the present invention can achieve the technical objects of the present invention and show substantially the same performance as the embodiments. It should be noted that any simple variations, modifications or other equivalent substitutions which a person skilled in the art can make without inventive effort, are within the scope of the present invention, as long as they do not depart from the spirit of the invention or exceed the scope defined by the claims.
Claims (9)
1. A high-toughness gel electrolyte, characterized in that the electrolyte is PAA-Fe reinforced by a mixed aqueous solution of ammonium chloride and zinc chloride3+Solid electrolyte of/CS hydrogel.
2. The method for preparing the high-toughness gel electrolyte according to claim 1, which comprises the following steps:
(1) dispersing chitosan powder in deionized water, and then stirring at room temperature to obtain a uniform and transparent solution;
(2) adding acrylic acid, a crosslinking agent N, N' -methylene bisacrylamide and ferric chloride hexahydrate into the solution obtained in the step (1) to form a transparent precursor solution, and removing oxygen bubbles by using ultrasound;
(3) adding initiator ammonium persulfate and catalyst tetramethyl ethylene diamine into the solution obtained in the step (2), stirring, and injecting the obtained transparent solution into a glass cylindrical mold;
(4) keeping the temperature of the mould at 55-65 ℃ for 1.5-2.5h to obtain PAA-Fe3+A CS hydrogel;
(5) mixing PAA-Fe3+NH/CS hydrogel4Cl and ZnCl2The mixed aqueous solution of (A) is soaked at room temperature to obtain the enhanced PAA-Fe3+the/CS hydrogel is high-toughness gel electrolyte.
3. The method for producing a high-toughness gel electrolyte according to claim 1, wherein the mass ratio of acrylic acid to chitosan is (10-20): (1-2); said PAA-Fe3+In the CS hydrogel, the mass percent of polyacrylic acid is 20-40 wt%, and the mass percent of chitosan is 2-4 wt%.
4. The method for producing a high toughness gel electrolyte according to claim 1, wherein the stirring time in step (3) is 5 to 15 seconds.
5. The method for producing a high toughness gel electrolyte according to claim 4, wherein the stirring time in step (3) is 10 s.
6. The method for producing a high toughness gel electrolyte according to claim 1, wherein NH used for the soaking in step (5)4The concentration of Cl is 1-5mol/L, ZnCl2The concentration of (B) is 0.1-2.5 mol/L.
7. A preparation method of an all-solid-state zinc-air battery with a firm interface is characterized by comprising the following steps: carbon cloth air electrode, PAA-Fe3+Cutting the/CS hydrogel and zinc sheet into required size, bonding, heating in glove box, and adding NH4Cl and ZnCl2Soaking the mixed aqueous solution for 1-5 h.
8. The method of claim 7, wherein the method comprises the steps of: the NH4Cl and ZnCl2NH in the mixed aqueous solution of4The concentration of Cl is 1-5mol/L, ZnCl2The concentration of (B) is 0.1-2.5 mol/L.
9. The method of claim 7, wherein the method comprises the steps of: the heating time is 10-40min, and the heating temperature is 40-80 ℃.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110155677.2A CN112886100B (en) | 2021-02-04 | 2021-02-04 | Preparation method of high-toughness gel electrolyte and all-solid-state zinc-air battery with firm interface |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110155677.2A CN112886100B (en) | 2021-02-04 | 2021-02-04 | Preparation method of high-toughness gel electrolyte and all-solid-state zinc-air battery with firm interface |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112886100A true CN112886100A (en) | 2021-06-01 |
CN112886100B CN112886100B (en) | 2022-08-16 |
Family
ID=76057242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110155677.2A Active CN112886100B (en) | 2021-02-04 | 2021-02-04 | Preparation method of high-toughness gel electrolyte and all-solid-state zinc-air battery with firm interface |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112886100B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114141547A (en) * | 2021-11-30 | 2022-03-04 | 安徽大学 | Preparation method of miniature redox capacitor with ultrahigh area energy density |
CN114725336A (en) * | 2022-03-16 | 2022-07-08 | 武汉理工大学 | Protective layer modified zinc anode material and preparation method and application thereof |
CN114744339A (en) * | 2022-03-03 | 2022-07-12 | 广州优能达科技有限公司 | Solid zinc-air battery |
CN114940726A (en) * | 2022-06-17 | 2022-08-26 | 重庆大学锂电及新材料遂宁研究院 | Hydrogel and preparation method and application thereof |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003031199A (en) * | 2001-07-12 | 2003-01-31 | Showa Denko Kk | Separator for zinc secondary cell and zinc secondary cell using above |
US20030232895A1 (en) * | 2002-04-22 | 2003-12-18 | Hossein Omidian | Hydrogels having enhanced elasticity and mechanical strength properties |
JP2011243364A (en) * | 2010-05-17 | 2011-12-01 | Nippon Telegr & Teleph Corp <Ntt> | Zinc air cell and manufacturing method of zinc air cell |
US20140017571A1 (en) * | 2012-07-16 | 2014-01-16 | Nthdegree Technologies Worldwide Inc. | Printable Ionic Gel Separation Layer for Energy Storage Devices |
CN109860628A (en) * | 2019-04-15 | 2019-06-07 | 安徽大学 | A kind of preparation method and application of the flexible all solid state zinc-air battery of plane |
CN110444822A (en) * | 2019-08-15 | 2019-11-12 | 哈尔滨工业大学 | A kind of preparation method of the quasi- solid-state Zinc ion battery of integration |
CN110492176A (en) * | 2019-08-30 | 2019-11-22 | 广州大学 | A kind of alkaline-resisting double-network hydrogel flexible electrolyte and the preparation method and application thereof |
-
2021
- 2021-02-04 CN CN202110155677.2A patent/CN112886100B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003031199A (en) * | 2001-07-12 | 2003-01-31 | Showa Denko Kk | Separator for zinc secondary cell and zinc secondary cell using above |
US20030232895A1 (en) * | 2002-04-22 | 2003-12-18 | Hossein Omidian | Hydrogels having enhanced elasticity and mechanical strength properties |
JP2011243364A (en) * | 2010-05-17 | 2011-12-01 | Nippon Telegr & Teleph Corp <Ntt> | Zinc air cell and manufacturing method of zinc air cell |
US20140017571A1 (en) * | 2012-07-16 | 2014-01-16 | Nthdegree Technologies Worldwide Inc. | Printable Ionic Gel Separation Layer for Energy Storage Devices |
CN109860628A (en) * | 2019-04-15 | 2019-06-07 | 安徽大学 | A kind of preparation method and application of the flexible all solid state zinc-air battery of plane |
CN110444822A (en) * | 2019-08-15 | 2019-11-12 | 哈尔滨工业大学 | A kind of preparation method of the quasi- solid-state Zinc ion battery of integration |
CN110492176A (en) * | 2019-08-30 | 2019-11-22 | 广州大学 | A kind of alkaline-resisting double-network hydrogel flexible electrolyte and the preparation method and application thereof |
Non-Patent Citations (1)
Title |
---|
殷俊等: "智能型水凝胶的研究进展", 《粘接》 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114141547A (en) * | 2021-11-30 | 2022-03-04 | 安徽大学 | Preparation method of miniature redox capacitor with ultrahigh area energy density |
CN114141547B (en) * | 2021-11-30 | 2023-08-04 | 安徽大学 | Preparation method of miniature redox capacitor with ultra-high area energy density |
CN114744339A (en) * | 2022-03-03 | 2022-07-12 | 广州优能达科技有限公司 | Solid zinc-air battery |
CN114725336A (en) * | 2022-03-16 | 2022-07-08 | 武汉理工大学 | Protective layer modified zinc anode material and preparation method and application thereof |
CN114940726A (en) * | 2022-06-17 | 2022-08-26 | 重庆大学锂电及新材料遂宁研究院 | Hydrogel and preparation method and application thereof |
Also Published As
Publication number | Publication date |
---|---|
CN112886100B (en) | 2022-08-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112886100B (en) | Preparation method of high-toughness gel electrolyte and all-solid-state zinc-air battery with firm interface | |
CN1184711C (en) | Solid gel membrane | |
CN108539330B (en) | All-solid-state zinc-air battery and gel electrolyte thereof | |
CN110444822A (en) | A kind of preparation method of the quasi- solid-state Zinc ion battery of integration | |
CN110048174B (en) | Gel battery electrolyte membrane and preparation method and application thereof | |
CN111916761B (en) | Flexible stretchable zinc-air battery based on foam-based metal electrode and preparation | |
CN111525185A (en) | Flexible zinc ion battery polymer electrolyte and preparation and application thereof | |
CN107546391B (en) | Polydopamine and graphene composite coating | |
CN113402651B (en) | Preparation method of high-strength self-healing hydrogel electrolyte, flexible supercapacitor assembled by high-strength self-healing hydrogel electrolyte and preparation method of flexible supercapacitor | |
CN114853942B (en) | Hydrogel electrolyte for zinc-manganese battery and preparation method thereof, zinc-manganese battery and preparation method thereof | |
CN110492176A (en) | A kind of alkaline-resisting double-network hydrogel flexible electrolyte and the preparation method and application thereof | |
CN112563627A (en) | Flexible zinc-air battery gel electrolyte and preparation method and application thereof | |
CN109037666A (en) | Metal hydride graphene battery and graphene battery | |
Zhang et al. | Design of co-continuous structure of cellulose/PAA-based alkaline solid polyelectrolyte for flexible zinc-air battery | |
CN109004209A (en) | cadmium graphene battery and graphene battery | |
CN113185735B (en) | Anti-freezing supramolecular hydrogel electrolyte film and preparation and application thereof | |
WO2024114381A1 (en) | Intrinsic stretchable polymer electrolyte, preparation method therefor, and use thereof | |
CN109473294A (en) | A kind of flexible, solid-state super capacitor and its preparation method and application | |
CN107154496B (en) | A kind of method for preparing graphene/sodium manganate fexible film method and preparing water system sodium zinc composite battery using it | |
US20060127764A1 (en) | Electrochemical cells electrodes and binder materials for electrochemical cells electrodes | |
CN110534696A (en) | A kind of flexible battery and preparation method thereof | |
CN114823163A (en) | Integrated supercapacitor based on amphiphilic supramolecular gel and preparation method and application thereof | |
CN118126354A (en) | Double-network hydrogel electrolyte with high water retention and preparation method and application thereof | |
CN112366349B (en) | Method for prolonging high-rate cycle life of high-nickel ternary lithium ion battery | |
CN114058030B (en) | Polyethyleneimine/polyurethane hydrogel electrolyte, and preparation method and application thereof |
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 |