CN110752354A - Universal 3D printing nano electrode slurry and preparation method thereof - Google Patents
Universal 3D printing nano electrode slurry and preparation method thereof Download PDFInfo
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- CN110752354A CN110752354A CN201910905399.0A CN201910905399A CN110752354A CN 110752354 A CN110752354 A CN 110752354A CN 201910905399 A CN201910905399 A CN 201910905399A CN 110752354 A CN110752354 A CN 110752354A
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/364—Composites as mixtures
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
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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
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion 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
- 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
Abstract
The invention discloses universal 3D printing nano electrode slurry, which comprises the following components: the nano-electrode paste comprises a nano-electrode active material, a conductive agent, a binder and a dispersing agent, wherein the weight ratio of the nano-electrode active material to the conductive agent to the binder is 5-7: 2-4: 1, and the ratio of the volume of the dispersing agent to the total weight of the nano-electrode active material to the conductive agent to the binder is 2-5 mL:1 g. The invention has the beneficial effects of improving the rheological property and material dispersibility of the 3D printing nano-electrode slurry.
Description
Technical Field
The present invention relates to the field of electrochemical energy storage. More specifically, the invention relates to universal 3D printing nano-electrode slurry and a preparation method thereof.
Background
The lithium ion battery is a rechargeable battery, mainly works by moving lithium ions between a positive electrode and a negative electrode, and is widely applied to the fields of mobile phones, notebook computers, digital cameras, smart power grids and the like due to the advantages of high energy density, high multiplying power, low cost, no memory effect and the like. The electrode material (anode or cathode) is a core unit component of the lithium ion battery, the nano electrode material is considered as an ideal anode and cathode material due to larger specific surface area, and the reasonable microstructure is another key for improving the electrochemical performance of the nano electrode material and is a guarantee for realizing effective transmission, interface reaction and diffusion of electricity/ions and providing structural support. Therefore, in addition to the nanoelectrode material itself, the manufacturing approach of the nanoelectrode material is another key factor for controlling the reliability and durability of the lithium ion battery.
At present, the traditional preparation method of the nano electrode material, such as a slurry coating method and the like, obtains an electrode structure which is uncontrollable, poor in repeatability and easy to deform. Therefore, the preparation of 3D structured nano-electrode materials is considered as an effective means for achieving high energy density and power density, and 3D printing technology is a typical advanced technology for preparing 3D batteries. On one hand, the 3D printing method can be used for preparing a customizable battery electrode and has the great advantage of flexible application; on the other hand, the technology can provide more active materials by increasing the height of the electrode or changing the shape to obtain higher energy density, and the ion diffusion distance is effectively shortened, so that the self energy density of the prepared 3D battery electrode can be improved without sacrificing the power density.
However, the rheological property of 3D printing paste is required to be high in 3D printing, and the existing 3D printing paste cannot meet the requirement, which seriously restricts the further development of the 3D printing technology in the energy field.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide the universal 3D printing nano-electrode slurry and a preparation method of the universal 3D printing nano-electrode slurry, and the universal 3D printing nano-electrode slurry has the beneficial effects of improving the rheological property and material dispersibility of the 3D printing nano-electrode slurry.
To achieve these objects and other advantages in accordance with the present invention, there is provided a universal 3D printing nanoelectrode paste comprising the following components: the conductive electrode comprises a nanometer electrode active material, a conductive agent, a binder and a dispersing agent, wherein the weight ratio of the nanometer electrode active material, the conductive agent and the binder is 5-7: 2-4: 1, and the ratio of the volume of the dispersing agent to the total weight of the nanometer electrode active material, the conductive agent and the binder is 2-5 mL:1 g.
Preferably, the weight of the binder is 10% of the total weight of the nanoelectrode active material, the conductive agent and the binder.
Preferably, the nano-electrode active material is one or more of lithium iron phosphate, lithium titanate, nickel-cobalt-manganese ternary material and silicon carbon.
Preferably, the conductive agent is one or more of conductive carbon black, multi-walled carbon nanotubes or graphene.
Preferably, the binder is one of polyvinylidene fluoride, polytetrafluoroethylene, sodium alginate and sodium carboxymethylcellulose.
Preferably, the dispersant is one of corresponding N-methyl pyrrolidone and pure water.
Also provides a universal preparation method of the 3D printing nano electrode slurry, which comprises the following steps: mixing the nano electrode active material, the conductive agent and the binder, grinding, adding the dispersing agent, continuously grinding, and preparing paste-like 3D printing nano electrode slurry through self-shearing dispersion.
Preferably, the method further comprises the following steps: a method of printing a battery electrode using 3D printed nano-electrode paste, comprising the steps of: setting a printing program of a 3D printer, fixing a cylinder to be used on the 3D printer, setting printing parameters of the 3D printer, printing a battery electrode precursor by using 3D printing nano electrode slurry, soaking, taking out, absorbing water, and freeze-drying to obtain the battery electrode.
The invention at least comprises the following beneficial effects:
the method comprises the steps of accurately controlling the dosage of a nano electrode active material, a conductive agent, a binder and a dispersing agent to obtain a preceding stage sample of 3D printing nano electrode slurry, further preparing pasty 3D printing nano electrode slurry in a self-shearing dispersion mode, and improving the rheological property and material dispersibility of the printing slurry, so that the preparation of the 3D printing customizable lithium ion battery nano electrode material is universally realized, and the advantages of the 3D printing technology for realizing the controllable manufacturing of a microstructure are fully exerted;
the method for preparing the 3D printing nano electrode slurry has certain universality, is suitable for common nano anode and cathode materials, the obtained slurry is a non-Newtonian fluid with high viscosity and shear thinning property, and the materials of all components in the slurry are uniformly dispersed, so that the slurry extrusion in the 3D printing process is very smooth;
the battery electrode prepared by the 3D printing method has customizability and can be directly used for the anode and the cathode of the battery.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a graph of the rheological properties of a battery electrode paste prepared by 3D printing according to an embodiment of the invention;
FIG. 2 is a diagram of dispersed objects of 3D grid-shaped 1-4 layers of battery electrodes prepared by 3D printing according to an embodiment of the invention;
fig. 3 is a schematic diagram of the specific capacity and the coulombic efficiency of a battery electrode of a 3D grid-shaped 4-layer nano lithium iron phosphate-based electrode prepared by 3D printing under different current densities according to an embodiment of the invention;
fig. 4 is a battery electrode charge-discharge voltage curve diagram of a 3D grid-shaped 4-layer nano lithium iron phosphate-based nanotube electrode prepared by 3D printing according to an embodiment of the present invention at different current densities;
fig. 5 is a composite image of a 3D "L" shaped lithium titanate-based battery electrode prepared by 3D printing according to an embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to examples so that those skilled in the art can practice the invention with reference to the description.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials are commercially available unless otherwise specified.
Example 1
Respectively weighing 700mg of nano lithium iron phosphate, 200mg of graphene and 100mg of polyvinylidene fluoride, mixing, adding into a mortar, grinding for 10min, adding 3mL of N-methylpyrrolidone, then continuously grinding for 10min to obtain a preceding stage sample of the 3D printing nano electrode slurry, further preparing a final sample of the pasty 3D printing battery electrode slurry in a self-shearing dispersion mode, and obtaining the rheological property of the prepared 3D printing battery electrode slurry as shown in figure 1.
Example 2
Respectively weighing 600mg of nano lithium iron phosphate, 300mg of multi-walled carbon nanotube and 100mg of polyvinylidene fluoride, mixing, adding into a mortar, grinding for 10min, adding 2mL of N-methylpyrrolidone, continuously grinding for 10min to obtain a pre-stage sample of the 3D printing nano electrode slurry, and further preparing a final sample of the paste-shaped 3D printing battery electrode slurry in a self-shearing dispersion mode.
Example 3
Respectively weighing 600mg of nano lithium titanate, 300mg of conductive carbon black and 100mg of sodium carboxymethylcellulose, mixing, adding into a mortar, grinding for 10min, adding 4mL of N pure water, continuously grinding for 10min to obtain a pre-stage sample of the 3D printing nano electrode slurry, and further preparing a final sample of the paste-shaped 3D printing battery electrode slurry in a self-shearing dispersion mode.
Example 4
Respectively weighing 500mg of lithium titanate, 400mg of conductive carbon black and 100mg of sodium carboxymethylcellulose, mixing, adding into a mortar, grinding for 10min, adding 3mL of pure water, continuously grinding for 10min to obtain a pre-stage sample of the 3D printing nano electrode slurry, and further preparing a final sample of the paste-shaped 3D printing battery electrode slurry in a self-shearing dispersion mode.
Example 5
Respectively weighing 700mg of nickel-cobalt-manganese, 200mg of multi-walled carbon nano-tube and 100mg of polytetrafluoroethylene, mixing, adding into a mortar, grinding for 10min, adding 5 mLN-methyl pyrrolidone, continuously grinding for 10min to obtain a pre-stage sample of the 3D printing nano-electrode slurry, and further preparing a final sample of the paste-shaped 3D printing battery electrode slurry in a self-shearing dispersion mode.
Example 6
Respectively weighing 600mg of silicon carbon, 300mg of multi-walled carbon nanotube and 100mg of sodium alginate, mixing, adding into a mortar, grinding for 10min, adding 5mL of pure water, continuing grinding for 10min to obtain a pre-stage sample of the 3D printing nano electrode paste, and further preparing a final sample of the paste-shaped 3D printing battery electrode paste in a self-shearing dispersion mode.
Example 7
The 3D printing nanoelectrode paste of example 1 was loaded into a 3D printing syringe for use.
And (4) making a printing program according to the macro structure of the battery electrode, and inputting the program into the 3D printer. Opening an air compressor to increase the pressure to 0.7MPa, fixing a standby syringe to the corresponding position of a 3D printer, setting printing parameters of the 3D printer, setting the single-point time to be 100ms, the printing working speed to be 400mm/s, the substrate temperature to be 25 ℃, designing a printing structure to be 3D grid, and setting the number of printing layers to be 1 layer, 2 layers, 3 layers and 4 layers, as shown in the figure2The monolayer interval time is shown to be 5 s. And (3) placing the glass sheet washed by the ethanol and the water on a printing table, setting the printing height and the extrusion pressure, and starting 3D printing. And after the electrode slurry is printed, taking out the electrode slurry from the 3D printer, soaking the electrode slurry in deionized water for 8 hours, taking out the electrode slurry, absorbing surface moisture, pre-freezing the electrode slurry in a refrigerator at the temperature of-25 ℃ for 1 hour, and immediately transferring the electrode slurry into a freeze dryer for freeze drying for 2 hours to obtain the customized battery electrode. The lithium ion battery assembled by the 4-layer battery electrode prepared by the method has the test capacity of 153mAh/g and high coulombic efficiency, and is shown in figure 3.
Example 8
The 3D printing nanoelectrode paste of example 2 was loaded into a 3D printing cylinder for use.
And (4) making a printing program according to the macro structure of the battery electrode, and inputting the program into the 3D printer. The air compressor is started to increase the pressure to 0.7MPa, the needle cylinder to be used is fixed to the corresponding position of the 3D printer, the printing parameters of the 3D printer are set, the single-point time is set to be 100ms, the printing working speed is 400mm/s, the substrate temperature is 25 ℃, the printing structure is designed to be 3D gridding, the number of the printing layers is 1 layer, 2 layers, 3 layers and 4 layers, and the single-layer interval time is 5 s. And (3) placing the glass sheet washed by the ethanol and the water on a printing table, setting the printing height and the extrusion pressure, and starting 3D printing. And after the electrode slurry is printed, taking out the electrode slurry from the 3D printer, soaking the electrode slurry in deionized water for 8 hours, taking out the electrode slurry, sucking the surface moisture, pre-freezing the electrode slurry in a refrigerator at the temperature of-25 ℃ for 1 hour, and then transferring the electrode slurry into a freeze dryer for freeze drying for 2 hours to obtain the customized battery electrode. The lithium ion battery assembled by the 4-layer battery electrode prepared by the method has the test capacity of 143mAh/g, as shown in figure 4.
Example 9
The 3D printing nanoelectrode paste of example 3 was loaded into a 3D printing cylinder for use.
And (4) making a printing program according to the macro structure of the battery electrode, and inputting the program into the 3D printer. The air compressor is started to increase the pressure to 0.7MPa, the needle cylinder to be used is fixed to the corresponding position of the 3D printer, the printing parameters of the 3D printer are set, the single-point time is set to be 100ms, the printing working speed is 400mm/s, the substrate temperature is 25 ℃, the printing structure is designed to be 3D L-shaped, the number of printing layers is 4, and the single-layer interval time is 5s as shown in figure 5. And (3) placing the glass sheet washed by the ethanol and the water on a printing table, setting the printing height and the extrusion pressure, and starting 3D printing. And after the electrode slurry is printed, taking out the electrode slurry from the 3D printer, soaking the electrode slurry in deionized water for 8 hours, taking out the electrode slurry, absorbing surface moisture, pre-freezing the electrode slurry in a refrigerator at the temperature of-25 ℃ for 1 hour, and immediately transferring the electrode slurry into a freeze dryer for freeze drying for 2 hours to obtain the customized battery electrode.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the invention may be embodied with additional modifications as would be readily apparent to those skilled in the art, and the invention is therefore not limited to the details given herein and to the embodiments shown and described without departing from the generic concept as defined by the claims and their equivalents.
Claims (8)
1. The universal 3D printing nano electrode slurry is characterized by comprising the following components: the conductive electrode comprises a nanometer electrode active material, a conductive agent, a binder and a dispersing agent, wherein the weight ratio of the nanometer electrode active material, the conductive agent and the binder is 5-7: 2-4: 1, and the ratio of the volume of the dispersing agent to the total weight of the nanometer electrode active material, the conductive agent and the binder is 2-5 mL:1 g.
2. The universal 3D printing nanoelectrode paste of claim 1, wherein the binder comprises 10% by weight of the total weight of the nanoelectrode active material, the conductive agent, and the binder.
3. The universal 3D printing nanoelectrode paste of claim 1, wherein the nanoelectrode active material is one or more of lithium iron phosphate, lithium titanate, nickel cobalt manganese ternary material, and silicon carbon.
4. The universal 3D printing nanoelectrode paste of claim 1, wherein the conductive agent is one or more of conductive carbon black, multi-walled carbon nanotubes, or graphene.
5. The universal 3D printing nanoelectrode paste as claimed in claim 1, wherein the binder is one of polyvinylidene fluoride, polytetrafluoroethylene, sodium alginate and sodium carboxymethylcellulose.
6. The universal 3D printing nanoelectrode paste as claimed in claim 1, wherein the dispersant is one of N-methyl pyrrolidone and pure water.
7. The method for preparing the universal 3D printing nanoelectrode paste according to any one of claims 1 to 6, comprising the following steps: mixing the nano electrode active material, the conductive agent and the binder, grinding, adding the dispersing agent, continuously grinding, and shearing and dispersing to prepare paste-shaped 3D printing nano electrode slurry.
8. The method for preparing universal 3D printing nanoelectrode paste according to claim 7, further comprising: the method for printing the battery electrode by using the 3D printing nano electrode paste is characterized by comprising the following steps of: setting a printing program of a 3D printer, fixing a cylinder to be used on the 3D printer, setting printing parameters of the 3D printer, printing a battery electrode precursor by using 3D printing nano electrode slurry, soaking, taking out, absorbing water, and freeze-drying to obtain the battery electrode.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112382744A (en) * | 2020-11-11 | 2021-02-19 | 贵州梅岭电源有限公司 | Preparation method of negative electrode slurry for 3D printing |
| CN112549528A (en) * | 2020-11-20 | 2021-03-26 | 中国地质大学（武汉） | Preparation method of optimized extrusion type 3D printing electrode |
| CN113054152A (en) * | 2021-02-05 | 2021-06-29 | 中国地质大学（武汉） | 3D printing zinc ion battery positive electrode and preparation method thereof |
| CN113149146A (en) * | 2021-04-12 | 2021-07-23 | 东莞理工学院 | Preparation of Ti by 3D technique4O7Method for preparing electrode and porous three-dimensional Ti4O7Electrode and use |
| WO2021188053A1 (en) * | 2020-03-18 | 2021-09-23 | Singapore University Of Technology And Design | A three-dimensional (3d) printed microlattice |
| CN114023947A (en) * | 2021-11-05 | 2022-02-08 | 四川大学 | 3D printing three-dimensional zinc cathode and preparation method thereof |
| CN114628161A (en) * | 2020-12-10 | 2022-06-14 | 中国科学院大连化学物理研究所 | Water-based graphene-based energy storage electrode material 3D printing ink, and preparation method and application thereof |
| CN114823165A (en) * | 2022-04-29 | 2022-07-29 | 武汉大学 | Symmetrical micro energy storage material based on 3D printing technology, energy accumulator and preparation method of symmetrical micro energy storage material |
| CN114843454A (en) * | 2022-04-14 | 2022-08-02 | 武汉大学 | 3D printed high-specific-energy lithium ion battery positive and negative electrode material and preparation method and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762093A (en) * | 2014-01-13 | 2014-04-30 | 渤海大学 | Method for using 3D printing technology for manufacturing miniature asymmetric supercapacitor |
| CN104409774A (en) * | 2014-05-31 | 2015-03-11 | 福州大学 | 3D printing method of lithium battery |
| WO2016036607A1 (en) * | 2014-09-02 | 2016-03-10 | Graphene 3D Lab Inc. | Electrochemical devices comprising nanoscopic carbon materials made by additive manufacturing |
| CN106784853A (en) * | 2016-09-27 | 2017-05-31 | 彭成信 | Graphene coating aluminum foil current collector and preparation method thereof |
| CN108155408A (en) * | 2017-12-26 | 2018-06-12 | 深圳先进技术研究院 | Dual-ion cell and preparation method thereof |
| CN109928765A (en) * | 2019-04-24 | 2019-06-25 | 北京航空航天大学 | The molding method of the ceramic 3D printing of the temperature-induced solidification of one kind and application |
-
2019
- 2019-09-24 CN CN201910905399.0A patent/CN110752354B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762093A (en) * | 2014-01-13 | 2014-04-30 | 渤海大学 | Method for using 3D printing technology for manufacturing miniature asymmetric supercapacitor |
| CN104409774A (en) * | 2014-05-31 | 2015-03-11 | 福州大学 | 3D printing method of lithium battery |
| WO2016036607A1 (en) * | 2014-09-02 | 2016-03-10 | Graphene 3D Lab Inc. | Electrochemical devices comprising nanoscopic carbon materials made by additive manufacturing |
| CN106784853A (en) * | 2016-09-27 | 2017-05-31 | 彭成信 | Graphene coating aluminum foil current collector and preparation method thereof |
| CN108155408A (en) * | 2017-12-26 | 2018-06-12 | 深圳先进技术研究院 | Dual-ion cell and preparation method thereof |
| CN109928765A (en) * | 2019-04-24 | 2019-06-25 | 北京航空航天大学 | The molding method of the ceramic 3D printing of the temperature-induced solidification of one kind and application |
Non-Patent Citations (1)
| Title |
|---|
| 王一博: "3D打印柔性锂离子电池电极及其电化学性能研究", 《中国博士学位论文全文数据库工程科技Ⅱ辑》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021188053A1 (en) * | 2020-03-18 | 2021-09-23 | Singapore University Of Technology And Design | A three-dimensional (3d) printed microlattice |
| CN112382744A (en) * | 2020-11-11 | 2021-02-19 | 贵州梅岭电源有限公司 | Preparation method of negative electrode slurry for 3D printing |
| CN112549528A (en) * | 2020-11-20 | 2021-03-26 | 中国地质大学（武汉） | Preparation method of optimized extrusion type 3D printing electrode |
| CN114628161A (en) * | 2020-12-10 | 2022-06-14 | 中国科学院大连化学物理研究所 | Water-based graphene-based energy storage electrode material 3D printing ink, and preparation method and application thereof |
| CN113054152A (en) * | 2021-02-05 | 2021-06-29 | 中国地质大学（武汉） | 3D printing zinc ion battery positive electrode and preparation method thereof |
| CN113149146A (en) * | 2021-04-12 | 2021-07-23 | 东莞理工学院 | Preparation of Ti by 3D technique4O7Method for preparing electrode and porous three-dimensional Ti4O7Electrode and use |
| CN113149146B (en) * | 2021-04-12 | 2022-04-01 | 东莞理工学院 | Preparation of Ti by 3D technique4O7Method for preparing electrode and porous three-dimensional Ti4O7Electrode and use |
| CN114023947A (en) * | 2021-11-05 | 2022-02-08 | 四川大学 | 3D printing three-dimensional zinc cathode and preparation method thereof |
| CN114843454A (en) * | 2022-04-14 | 2022-08-02 | 武汉大学 | 3D printed high-specific-energy lithium ion battery positive and negative electrode material and preparation method and application thereof |
| CN114823165A (en) * | 2022-04-29 | 2022-07-29 | 武汉大学 | Symmetrical micro energy storage material based on 3D printing technology, energy accumulator and preparation method of symmetrical micro energy storage material |
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