CN110752383A - Flexible battery and preparation method thereof - Google Patents
Flexible battery and preparation method thereof Download PDFInfo
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- CN110752383A CN110752383A CN201911223136.8A CN201911223136A CN110752383A CN 110752383 A CN110752383 A CN 110752383A CN 201911223136 A CN201911223136 A CN 201911223136A CN 110752383 A CN110752383 A CN 110752383A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/14—Cells with non-aqueous electrolyte
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0566—Liquid materials
- H01M10/0568—Liquid materials characterised by the solutes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/36—Accumulators not provided for in groups H01M10/05-H01M10/34
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/14—Cells with non-aqueous electrolyte
- H01M6/16—Cells with non-aqueous electrolyte with organic electrolyte
- H01M6/162—Cells with non-aqueous electrolyte with organic electrolyte characterised by the electrolyte
- H01M6/166—Cells with non-aqueous electrolyte with organic electrolyte characterised by the electrolyte by the solute
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- 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
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention provides a flexible battery, which comprises a positive terminal and a negative terminal, wherein the positive terminal comprises a first substrate, a positive collector, a cathode material layer, an electrolyte layer and a diaphragm, the positive electrode collector is arranged on the first surface of the first substrate, the cathode material layer is arranged on the first surface of the positive electrode collector, the electrolyte layer is arranged on the first surface of the cathode material layer, and the diaphragm covers the first surface of the electrolyte layer, the negative electrode end comprises a second substrate, a negative electrode collector, an adhesive layer and an anode material layer, the negative electrode collector is arranged on the second surface of the second substrate, the adhesive layer is disposed on the second surface of the second substrate along a periphery of the negative collector, the anode material layer is arranged on the second surface of the negative collector, and the positive end and the negative end are oppositely attached to each other through the first surface of the diaphragm and the second surface of the anode material. The invention has simple structure and is convenient for large-scale production.
Description
Technical Field
The invention relates to the technical field of battery energy storage, in particular to a flexible battery and a preparation method of the flexible battery.
Background
Batteries that are widely used at present include dry batteries, secondary batteries, and the like, among which the most commonly used ones, the batteries contain mercury and lead, are harmful to human bodies and environment during production, are discarded at will without any treatment, has considerable harm to environmental protection, and meanwhile, the battery has large volume and is inconvenient to carry and not suitable for microelectronic products, moreover, the existing battery adopts a columnar structure, a button structure or a square structure, is in a hard and inflexible form, is not suitable for the application of flexible products, and aiming at the problems, a flexible battery is provided, can be used for products such as smart cards, music greeting cards, electronic tags, electronic newspapers, radio frequency identifiers, mobile phones, portable computers and the like, has larger applicable market scale, however, most of the flexible batteries are produced in a layer-by-layer overlapping mode, the process difficulty is high, and large-scale production is inconvenient.
Disclosure of Invention
The invention provides a novel flexible battery and a preparation method thereof, and aims to solve the technical problems that the conventional flexible battery is produced by adopting a layer-by-layer superposition mode on different positive and negative surfaces, and the process difficulty is high.
In view of the above, the present invention provides a novel flexible battery, which includes a positive terminal and a negative terminal, wherein the positive terminal includes a first substrate, a positive collector, a cathode material layer, an electrolyte layer and a separator, the positive collector is disposed on a first surface of the first substrate, the cathode material layer is disposed on a first surface of the positive collector, the electrolyte layer is disposed on a first surface of the cathode material layer, the separator covers the first surface of the electrolyte layer, the negative terminal includes a second substrate, a negative collector, an adhesive layer and an anode material layer, the negative collector is disposed on a second surface of the second substrate, the adhesive layer is disposed on a second surface of the second substrate along a periphery of the negative collector, the anode material layer is disposed on a second surface of the negative collector, and the positive electrode end and the negative electrode end are oppositely attached to each other through the first surface of the diaphragm and the second surface of the anode material.
In the technical scheme, the flexible battery comprises a positive end and a negative end, wherein the positive end comprises a first substrate, a positive collector, a cathode material layer, an electrolyte layer and a diaphragm, the positive collector, the cathode material and the electrolyte layer are sequentially printed on the first substrate from bottom to top and are coated by the diaphragm, the negative end comprises a second substrate, a negative collector, an adhesive layer and an anode material layer, the adhesive layer is printed on the second surface of the second substrate along the periphery of the negative collector, the anode material layer is printed on the second surface of the negative collector, therefore, the negative collector and the anode material layer are adhered on the second surface of the second substrate through the adhesive layer, the positive end and the negative end are aligned and attached to the anode material through the diaphragm, namely, the positive end and the negative end are completely isolated by the diaphragm, the negative end and the positive end can be separately and simultaneously manufactured, the manufacturing process is simplified, the production efficiency of the flexible battery is effectively improved, the large-scale production is facilitated, the internal short circuit can be effectively avoided when the anode and the cathode of the flexible battery are positioned on the same side, the self-discharge rate of the flexible battery is reduced, the availability of the flexible battery is improved, and the application is facilitated.
In any of the above embodiments, preferably, the electrolyte layer includes a zinc salt.
In any of the above solutions, preferably, the first substrate and the second substrate each include a high temperature resistant sealing material.
In any of the above solutions, preferably, the first substrate and the second substrate both include PET mylar.
In any of the above technical solutions, preferably, the positive electrode collector and the negative electrode collector each include a mixed conductive material.
In any one of the above technical solutions, preferably, the positive electrode collector and the negative electrode collector each include conductive graphite.
In any of the above solutions, preferably, the cathode material layer includes manganese oxide or manganese dioxide.
In any of the above technical solutions, preferably, the anode material layer includes zinc powder.
In any of the above technical solutions, preferably, the separator is made of a microporous insulating film.
In any of the above technical solutions, preferably, the separator is made of microporous insulating paper.
A method of making a flexible battery, comprising:
printing the positive collector on the first surface of the first base material, printing the negative collector on the second surface of the second base material, and drying;
printing the cathode material layer on a first surface of the dried positive collector, printing the bonding layer on a second surface of the second base material along the negative collector, and drying;
printing the electrolyte layer on the first surface of the dried cathode material layer, and attaching the diaphragm to the first surface of the electrolyte layer to form a positive terminal;
printing the anode material layer on the second surface of the dried negative collector electrode, and drying to form the negative end;
and aligning and attaching the positive electrode end and the negative electrode end, and pressing the positive electrode end and the negative electrode end by hot pressing equipment to form the flexible battery.
In this embodiment, the flexible battery includes a positive terminal and a negative terminal, wherein the positive terminal includes a first substrate, a positive collector, a cathode material layer, an electrolyte layer, and a separator, the positive collector is printed on a first surface of the first substrate and then dried, the cathode material layer is printed on a first surface of the dried positive collector and then dried, the electrolyte layer is printed on a first surface of the dried cathode material layer, the separator is attached to the first surface of the electrolyte layer to form the positive terminal, the negative terminal includes a second substrate, a negative collector, an adhesive layer, and an anode material layer, the negative collector is printed on a second surface of the second substrate and dried while the positive terminal is being manufactured, the adhesive layer is printed on a second surface of the second substrate along a periphery of the negative collector and dried, then the anode material layer is printed on the second surface of the dried cathode collector and dried to form the cathode end, namely the cathode collector and the adhesive layer are printed on the second surface of the second substrate, the anode material layer is printed on the second surface of the cathode collector, so that the cathode collector and the anode material layer are adhered on the second surface of the second substrate through the adhesive layer, finally the anode end and the cathode end are aligned and attached, and are pressed by hot pressing equipment to form the flexible battery, namely the anode end and the cathode end are aligned and attached with the anode material through the diaphragm, the anode end and the cathode end are completely isolated by the diaphragm, so that the cathode end and the anode end can be separated and manufactured simultaneously, the manufacturing process is simplified, the production efficiency of the flexible battery is effectively improved, the scale production is convenient, the anode and the cathode of the flexible battery can be positioned on the same surface, effectively avoid internal short circuit, reduced flexible battery from the discharge rate, improve the availability ratio of flexible battery, made things convenient for the application.
In any of the above technical solutions, preferably, the positive collector and the negative collector are all made of conductive graphite, conductive carbon black, graphene, and a binder in a mass ratio of 40% to 70%: 5% -20%: 0.1% -2%: 10% -30%.
In any of the above technical solutions, preferably, the adhesive layer is an EVA liquid hot melt adhesive, and the EVA content in the EVA liquid hot melt adhesive is 20% to 60%.
In any of the above technical solutions, preferably, the anode material layer is formed by mixing 1% -30% by mass of conductive carbon black, an anode active material, and a binder: 40% -80%: 10% -30%.
In any of the above technical solutions, preferably, the cathode material layer is formed by mixing 3% to 30% by mass of conductive carbon black, a cathode active material, and a binder: 40% -80%: 10% -30%.
In any of the above technical solutions, preferably, the electrolyte layer is formed by a 30% -90% zinc salt solution.
Compared with the prior art, the invention has the advantages that: the structure and the production process are simple, the positive end and the negative end are aligned and attached, the flexible battery is formed after being pressed by hot pressing equipment, the positive electrode and the negative electrode of the flexible battery are located on the same side, the positive end and the negative end of the flexible battery can be produced simultaneously, the problem of electrode non-planarity caused by simultaneous production of the positive end and the negative end is avoided while the production efficiency of the flexible battery is fully improved, and the integrated application is facilitated.
Drawings
Fig. 1 shows a schematic view of a disassembled structure of a flexible battery according to an embodiment of the present invention;
fig. 2 shows a schematic flow diagram of a method of manufacturing a flexible battery according to an embodiment of the invention.
The names corresponding to the reference numerals in the drawings are a first base material 101, a positive electrode collector 102, a cathode material layer 103, an electrolyte layer 104, a separator 105, a second base material 106, a negative electrode collector 107, an adhesive layer 108, and an anode material layer 109.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The present invention will be further described with reference to fig. 1 to 2.
As shown in fig. 1, a flexible battery includes a positive terminal and a negative terminal, the positive terminal includes a first substrate 101, a positive collector 102, a cathode material layer 103, an electrolyte layer 104, and a separator 105, the positive collector 102 is disposed on a first surface of the first substrate 101, the cathode material layer 103 is disposed on a first surface of the positive collector 102, the electrolyte layer 104 is disposed on a first surface of the cathode material layer 103, the separator 105 covers the first surface of the electrolyte layer 104, the negative terminal includes a second substrate 106, a negative collector 107, an adhesive layer 108, and an anode material layer 109, the negative collector 107 is disposed on a second surface of the second substrate 106, the adhesive layer 108 is disposed on a second surface of the second substrate 106 along a periphery of the negative collector 107, the anode material layer 109 is disposed on a second surface of the negative collector 107, the positive terminal and the negative terminal are aligned and attached to each other through the first surface of the separator 105 and the second surface of the anode material layer 109, and the electrolyte layer 104 includes a zinc salt.
The flexible battery comprises a positive terminal and a negative terminal, wherein the positive terminal comprises a first substrate 101, a positive collector 102, a cathode material layer 103, an electrolyte layer 104 and a diaphragm 105, the positive collector 102, the cathode material and the electrolyte layer 104 are sequentially printed on the first substrate 101 from bottom to top and are coated by the diaphragm 105, the negative terminal comprises a second substrate 106, a negative collector 107, an adhesive layer 108 and an anode material layer 109, the adhesive layer 108 is printed on a second surface of the second substrate 106 along the periphery of the negative collector 107, the anode material layer 109 is printed on the second surface of the negative collector 107, therefore, the negative collector 107 and the anode material layer 109 are adhered on the second surface of the second substrate 106 through the adhesive layer 108, the positive terminal and the negative terminal are aligned and attached to the anode material layer 109 through the diaphragm 105, namely, the positive terminal and the negative terminal are completely separated by the diaphragm 105, and can be manufactured separately and simultaneously for the negative terminal and the positive terminal, the manufacturing process is simple and easy, the production efficiency of the flexible battery is effectively improved, the large-scale production is facilitated, the internal short circuit can be effectively avoided while the positive electrode and the negative electrode of the flexible battery are positioned on the same surface, the self-discharge rate of the flexible battery is reduced, the availability of the flexible battery is improved, and the application is facilitated.
Further, the first substrate 101 and the second substrate 106 each comprise a high temperature resistant sealing material, such as PET mylar; the positive collector electrode 102 and the negative collector electrode 107 each comprise a mixed conducting material, such as conductive graphite; the cathode material layer 103 comprises manganese oxide or manganese dioxide, and the anode material layer 109 comprises zinc powder; the diaphragm 105 is made of a microporous insulating film or microporous insulating paper.
As shown in fig. 2, a method for manufacturing a flexible battery includes:
a step 203 of printing the electrolyte layer 104 on the first surface of the dried cathode material layer 103, and attaching the separator 105 to the first surface of the electrolyte layer 104 to form a positive terminal;
and 205, aligning and attaching the positive electrode end and the negative electrode end, and laminating the positive electrode end and the negative electrode end by hot-pressing equipment to form the flexible battery.
The flexible battery comprises a positive terminal and a negative terminal, wherein the positive terminal comprises a first substrate 101, a positive collector 102, a cathode material layer 103, an electrolyte layer 104 and a diaphragm 105, the positive collector 102 is printed on a first surface of the first substrate 101 and then dried, the cathode material layer 103 is printed on a first surface of the dried positive collector 102 and then dried, the electrolyte layer 104 is printed on a first surface of the dried cathode material layer 103, the diaphragm 105 is attached to the first surface of the electrolyte layer 104 to form the positive terminal, the negative terminal comprises a second substrate 106, a negative collector 107, an adhesive layer 108 and an anode material layer 109, the negative collector 107 can be printed on a second surface of the second substrate 106 and dried, and the adhesive layer 108 can be printed on a second surface of the second substrate 106 along the periphery of the negative collector 107 and dried Drying, then printing the anode material layer 109 on the second surface of the dried negative collector 107, and then drying to form the negative terminal, that is, printing the negative collector 107 and the adhesive layer 108 on the second surface of the second substrate 106, printing the anode material layer 109 on the second surface of the negative collector 107, so that the negative collector 107 and the anode material layer 109 are adhered on the second surface of the second substrate 106 through the adhesive layer 108, and finally aligning and attaching the positive terminal and the negative terminal, and pressing the flexible battery through a hot pressing device, that is, the positive terminal and the negative terminal are aligned and attached to the anode material layer 109 through the diaphragm 105, and the positive terminal and the negative terminal are completely isolated by the diaphragm 105, so that the negative terminal and the positive terminal can be separated and manufactured simultaneously, the manufacturing process is simplified, the production efficiency of the flexible battery is effectively improved, and the scale production is facilitated, when the anode and the cathode of the flexible battery are positioned on the same surface, internal short circuit is effectively avoided, the self-discharge rate of the flexible battery is reduced, the availability of the flexible battery is improved, and the application is facilitated.
Further, the positive collector electrode 102 and the negative collector electrode 107 are all made of conductive graphite, conductive carbon black, graphene and a binder according to a mass ratio of 40% -70%: 5% -20%: 0.1% -2%: 10% -30%; the adhesive layer 108 is an EVA liquid hot melt adhesive, and the EVA content in the EVA liquid hot melt adhesive is 20-60%; the anode material layer 109 is made of conductive carbon black, an anode active material and a binder according to a mass ratio of 1% -30%: 40% -80%: 10% -30%; the cathode material layer 103 is composed of conductive carbon black, a cathode active material and a binder according to a mass ratio of 3% -30%: 40% -80%: 10% -30%; the electrolyte layer 104 is formed by 30% -90% of zinc salt solution.
In the first embodiment, 40% of conductive graphite, 5% of conductive carbon black, 0.1% of graphene, and 10% of binder are selected and mixed to form a positive electrode collector 102 and a negative electrode collector 107, 20% of EVA liquid hot melt adhesive is selected to form an adhesive layer 108, 1% of conductive carbon black, 40% of anode active material, and 10% of binder are selected to form an anode material layer 109, 3% of conductive carbon black, 40% of cathode active material, and 10% of binder are selected to form a cathode material layer 103, 30% of zinc salt solution is selected to form an electrolyte layer 104, the positive electrode collector 102 is sequentially printed on the first surface of a first substrate 101, the cathode material layer 103 is printed on the first surface of a dried positive electrode collector 102, and the electrolyte layer 104 is printed on the first surface of a dried cathode material layer 103, then, a diaphragm 105 is attached to the first surface of the electrolyte layer 104 to form a positive terminal, meanwhile, the negative collector 107 may be sequentially printed on the second surface of the second substrate 106 for drying, the adhesive layer 108 is printed on the second surface of the dried negative collector 107 for drying, then the anode material layer 109 is printed on the second surface of the second substrate 106 along the periphery of the negative collector 107 for drying, so as to form a negative terminal, and finally, the positive terminal and the negative terminal are aligned and attached to each other, and are pressed by a hot pressing device to form a complete flexible battery.
In the second embodiment, 70% of conductive graphite, 20% of conductive carbon black, 2% of graphene, and 30% of binder are selected and mixed to form a positive electrode collector 102 and a negative electrode collector 107, 60% of EVA liquid hot melt adhesive is selected to form an adhesive layer 108, 30% of conductive carbon black, 80% of anode active material, and 30% of binder are selected to form an anode material layer 109, 30% of conductive carbon black, 80% of cathode active material, and 30% of binder are selected to form a cathode material layer 103, 90% of zinc salt solution is selected to form an electrolyte layer 104, the positive electrode collector 102 is sequentially printed on the first surface of the first base 101, the cathode material layer 103 is printed on the first surface of the dried positive electrode collector 102, and the electrolyte layer 104 is printed on the first surface of the dried cathode material layer 103, then, a diaphragm 105 is attached to the first surface of the electrolyte layer 104 to form a positive terminal, meanwhile, the negative collector 107 may be sequentially printed on the second surface of the second substrate 106 for drying, the adhesive layer 108 is printed on the second surface of the dried negative collector 107 for drying, then the anode material layer 109 is printed on the second surface of the second substrate 106 along the periphery of the negative collector 107 for drying, so as to form a negative terminal, and finally, the positive terminal and the negative terminal are aligned and attached to each other, and are pressed by a hot pressing device to form a complete flexible battery.
The technical scheme of the invention is explained in detail by combining the attached drawings, the technical scheme of the invention provides a novel flexible battery and a preparation method thereof, the structure and the production process are simple, the positive end and the negative end are aligned and attached, the flexible battery is formed by pressing the positive end and the negative end through hot pressing equipment, the positive electrode and the negative electrode of the flexible battery are positioned on the same surface, the positive end and the negative end of the flexible battery can be produced simultaneously, the production efficiency of the flexible battery is fully improved, the problem of electrode non-planarity caused by the simultaneous production of the positive end and the negative end is avoided, and the integrated application is facilitated.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The flexible battery is characterized by comprising a positive end and a negative end, wherein the positive end comprises a first base material (101), a positive collector (102), a cathode material layer (103), an electrolyte layer (104) and a diaphragm (105) which are sequentially arranged, the negative end comprises a second base material (106), a negative collector (107), an adhesive layer (108) and an anode material layer (109), the positive end and the negative end are aligned and attached to each other through a first surface of the diaphragm and a second surface of the anode material, and the electrolyte layer comprises zinc salt.
2. The flexible battery of claim 1, wherein the first substrate and the second substrate are made of a high temperature resistant sealing material or a PET mylar.
3. The flexible battery of claim 1, wherein the positive current collector and the negative current collector are both a mixed conductive material.
4. The flexible battery of claim 1, wherein the positive current collector and the negative current collector are both made of conductive graphite.
5. The flexible battery of claim 1, wherein the cathode material layer is manganese oxide or manganese dioxide, the anode material layer is zinc powder, and the separator is made of microporous insulating film or microporous insulating paper.
6. A method of making a flexible battery, comprising:
printing the positive collector on the first surface of the first base material, printing the negative collector on the second surface of the second base material, and drying;
printing the cathode material layer on a first surface of the dried positive collector, printing the bonding layer on a second surface of the second base material along the negative collector, and drying;
printing the electrolyte layer on the first surface of the dried cathode material layer, and attaching the diaphragm to the first surface of the electrolyte layer to form a positive terminal;
printing the anode material layer on the second surface of the dried negative collector electrode, and drying to form the negative end;
and aligning and attaching the positive electrode end and the negative electrode end, and pressing the positive electrode end and the negative electrode end by hot pressing equipment to form the flexible battery.
7. The method for manufacturing a flexible battery according to claim 6, wherein the positive electrode collector and the negative electrode collector are each made of conductive graphite, conductive carbon black, graphene and a binder in a proportion of 40% to 70%: 5% -20%: 0.1% -2%: 10-30% of the total weight of the composition.
8. The method for preparing the flexible battery according to claim 6, wherein the adhesive layer is EVA liquid hot melt adhesive, and the EVA content in the EVA liquid hot melt adhesive is 20-60%.
9. The method for preparing the flexible battery according to claim 6, wherein the anode material layer is formed by mixing the conductive carbon black, the anode active material and the binder according to the proportion of 1% -30%: 40% -80%: 10-30% of conductive carbon black, a cathode active material and a binder, wherein the cathode material layer is prepared from the following components in percentage by mass: 40% -80%: 10-30% of the total weight of the composition.
10. The method of manufacturing a flexible battery according to claim 6, wherein the electrolyte layer comprises a 30% -90% zinc salt solution.
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| CN201911223136.8A CN110752383A (en) | 2019-12-03 | 2019-12-03 | Flexible battery and preparation method thereof |
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| CN201911223136.8A CN110752383A (en) | 2019-12-03 | 2019-12-03 | Flexible battery and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022156358A1 (en) * | 2021-01-20 | 2022-07-28 | 深圳新源柔性科技有限公司 | Single-sided printing laminated battery and printed battery pack |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022156358A1 (en) * | 2021-01-20 | 2022-07-28 | 深圳新源柔性科技有限公司 | Single-sided printing laminated battery and printed battery pack |
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