CN111341566A - Novel electrode material of super capacitor and super capacitor - Google Patents
Novel electrode material of super capacitor and super capacitor Download PDFInfo
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- CN111341566A CN111341566A CN202010169353.XA CN202010169353A CN111341566A CN 111341566 A CN111341566 A CN 111341566A CN 202010169353 A CN202010169353 A CN 202010169353A CN 111341566 A CN111341566 A CN 111341566A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/24—Electrodes characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosity; characterised by the structural features of powders or particles used therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/34—Carbon-based characterised by carbonisation or activation of carbon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/36—Nanostructures, e.g. nanofibres, nanotubes or fullerenes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
- H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
-
- 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
- Y02E60/13—Energy storage using capacitors
Abstract
The invention belongs to the technical field of super capacitors, and particularly relates to a novel electrode material of a super capacitor and the super capacitor. The invention discloses a novel electrode material of a super capacitor, which comprises graphene oxide, carbon nano tubes and a surfactant. This application is through optimizing super capacitor's material, and the product instantaneous discharge current multiplying power is great, and charge-discharge efficiency is high, and environmental adaptation ability is than stronger, and external environment temperature is less to product charge-discharge influence, has solved our regional northern hemisphere winter and spring power device's the problem of starting the difficulty. And the corresponding inverter, charging and discharging and power control modules (EMS, BMS) are configured, so that the current is wide in adaptation range, the instantaneous response speed is high, and various complete safety protection measures (overcurrent, overload, power leakage prevention function and the like) are taken.
Description
Technical Field
The invention belongs to the technical field of super capacitors, and particularly relates to a novel electrode material of a super capacitor and the super capacitor.
Background
The super capacitor is a novel energy storage device between a traditional capacitor and a rechargeable battery, and has the characteristics of quick charge and discharge of the capacitor and the energy storage characteristic of the battery. In the northern hemisphere of China, the temperature of most regions in the northern part of China is below zero in winter and spring every year, and the temperature of local regions is 20-40 ℃ below zero, which brings great difficulty to the starting of automobiles, large special vehicles (such as crawler-type trailers, fellers, military tanks, armored vehicles, missile launching vehicles and other special vehicles) and auxiliary power devices of military helicopters. This patent uses ultracapacitor system as energy memory to carry out the optimization scheme to ultracapacitor system material and structure, solved cold weather auxiliary power device's the problem of starting difficulty.
Disclosure of Invention
In order to solve the technical problems, the invention provides a novel electrode material of a supercapacitor, and the preparation raw materials comprise graphene oxide, carbon nanotubes and a surfactant.
As a preferable technical scheme, the preparation raw materials comprise, by weight, 40-60 parts of graphene oxide, 20-30 parts of carbon nanotubes, 0.5-2 parts of a surfactant and 50-100 parts of water.
As a preferable technical solution, the carbon nanotube is at least one selected from a hydroxyl multi-walled carbon nanotube, a carboxyl multi-walled carbon nanotube, a hydroxyl short carbon nanotube, and a carboxyl short carbon nanotube.
As a preferred technical solution, the carbon nanotubes are hydroxyl group short carbon nanotubes and carboxyl group short carbon nanotubes.
As a preferable technical solution, the weight ratio of the hydroxyl group short carbon nanotube to the carboxyl group short carbon nanotube is (2-4): 1.
as a preferable technical solution, the weight ratio of the hydroxyl group short carbon nanotube to the carboxyl group short carbon nanotube is 3: 1.
as a preferable technical scheme, the surfactant is at least one selected from sodium dodecyl benzene sulfonate, triton and acrylic polymer surfactant.
As a preferred technical scheme, the surfactant is sodium dodecyl benzene sulfonate.
The second aspect of the present invention provides a method for preparing the electrode material, comprising the following steps: (1) adding graphene oxide, carbon nano tubes and a surfactant into water, and carrying out ultrasonic treatment for 20-40 min; (2) putting activated carbon into an oven, setting the temperature at 100 ℃ and 120 ℃, and reacting for 8-10 h; (3) dispersing into emulsion by wet ball milling, then carrying out filter pressing separation on the emulsion to obtain slurry, drying the slurry, and then grinding and crushing to obtain the electrode material.
The third aspect of the invention provides a super capacitor, which comprises the electrode material.
Has the advantages that: this application is through optimizing super capacitor's material, and the product instantaneous discharge current multiplying power is great, and charge-discharge efficiency is high, and environmental adaptation ability is than stronger, and external environment temperature is less to product charge-discharge influence, has solved our regional northern hemisphere winter and spring power device's the problem of starting the difficulty. And the corresponding inverter, charging and discharging and power control modules (EMS, BMS) are configured, so that the current is wide in adaptation range, the instantaneous response speed is high, and various complete safety protection measures (overcurrent, overload, power leakage prevention function and the like) are taken.
Detailed Description
For purposes of the following detailed description, it is to be understood that the invention may assume various alternative variations and step sequences, except where expressly specified to the contrary. Moreover, other than in any operating examples, or where otherwise indicated, all numbers expressing, for example, quantities of ingredients used in the specification and claims are to be understood as being modified in all instances by the term "about". Accordingly, unless indicated to the contrary, the numerical parameters set forth in the following specification and attached claims are approximations that may vary depending upon the desired properties to be obtained by the present invention. At the very least, and not as an attempt to limit the application of the doctrine of equivalents to the scope of the claims, each numerical parameter should at least be construed in light of the number of reported significant digits and by applying ordinary rounding techniques.
Notwithstanding that the numerical ranges and parameters setting forth the broad scope of the invention are approximations, the numerical values set forth in the specific examples are reported as precisely as possible. Any numerical value, however, inherently contains certain errors necessarily resulting from the standard deviation found in their respective testing measurements.
When a range of values is disclosed herein, the range is considered to be continuous and includes both the minimum and maximum values of the range, as well as each value between such minimum and maximum values. Further, when a range refers to an integer, each integer between the minimum and maximum values of the range is included. Further, when multiple range-describing features or characteristics are provided, the ranges may be combined. In other words, unless otherwise indicated, all ranges disclosed herein are to be understood to encompass any and all subranges subsumed therein. For example, a stated range from "1 to 10" should be considered to include any and all subranges between the minimum value of 1 and the maximum value of 10. Exemplary subranges of the range 1 to 10 include, but are not limited to, 1 to 6.1, 3.5 to 7.8, 5.5 to 10, and the like.
In order to solve the problems, the invention provides a novel electrode material of a super capacitor, and the preparation raw materials comprise graphene oxide, carbon nanotubes and a surfactant.
As a preferred embodiment, the preparation raw materials comprise 40-60 parts of graphene oxide, 20-30 parts of carbon nanotubes, 0.5-2 parts of surfactant and 50-100 parts of water in parts by weight.
The graphene oxide is an oxide of graphene, and has more active properties than graphene due to the fact that oxygen-containing functional groups are increased after oxidation, the graphene oxide sheet is a product obtained by chemically oxidizing and stripping graphite powder, and the graphene oxide is a single atomic layer and can be expanded to tens of micrometers in the transverse dimension at any time. The graphene oxide has amphipathy, and shows a property distribution from hydrophilicity to hydrophobicity from the edge to the center of a graphene sheet. Therefore, the graphene oxide may exist at an interface as a surfactant and reduce energy between interfaces.
In a preferred embodiment, the graphene oxide is at least one selected from the group consisting of electrically heated reduced graphene oxide powder, vitamin C reduced graphene oxide, and tea polyphenol reduced graphene oxide. Preferably, the graphene oxide is electrothermal reduction graphene oxide powder and vitamin C reduction graphene oxide; more preferably, the weight ratio of the electrothermal reduced graphene oxide powder to the vitamin C reduced graphene oxide is (7-9): 1.
carbon atoms in the carbon nano tube are represented by sp2Hybridization is dominant, and the hexagonal grid structure is bent to a certain degree to form a space topological structure, wherein a certain sp3 hybridization bond can be formed, namely the formed chemical bond has a sp2 and sp3 mixed hybridization state, the p orbitals are overlapped with each other to form a large pi bond with high delocalization outside the graphene sheet layer of the carbon nano tube, and the large pi bond on the outer surface of the carbon nano tube is a chemical basis for compounding the carbon nano tube with macromolecules with conjugated performance in a non-covalent bond mode.
As a preferred embodiment, the carbon nanotube is selected from at least one of hydroxyl multi-walled carbon nanotube, carboxyl multi-walled carbon nanotube, hydroxyl short carbon nanotube and carboxyl short carbon nanotube; preferably, the carbon nanotube is a hydroxyl short carbon nanotube and a carboxyl short carbon nanotube; the weight ratio of the hydroxyl short carbon nanotube to the carboxyl short carbon nanotube is (2-4): 1. more preferably, the carbon nanotubes have a length of 0.2 to 2 μm.
In the present application, the carbon nanotubes are purchased from Beijing Deke island gold technologies, Inc. The model of the hydroxyl short carbon nanotube is CNT 502; the carboxyl short carbon nanotube is the type CNT 602.
As a preferred embodiment, the surfactant is selected from sodium dodecylbenzene sulfonate, triton, acrylic polymeric surfactants; preferably, the surfactant is sodium dodecyl benzene sulfonate.
The preparation method of the supercapacitor electrode material comprises the following steps: (1) adding graphene oxide, carbon nano tubes and a surfactant into water, and carrying out ultrasonic treatment for 20-40 min; (2) putting activated carbon into an oven, setting the temperature at 100 ℃ and 120 ℃, and reacting for 8-10 h; (3) dispersing into emulsion by wet ball milling, then carrying out filter pressing separation on the emulsion to obtain slurry, drying the slurry, and then grinding and crushing to obtain the electrode material.
Wherein the weight of the activated carbon is 8-10 times of that of the graphene oxide and the carbon nano tube.
A supercapacitor comprises the supercapacitor electrode material.
This application is through optimizing super capacitor's material, and the product instantaneous discharge current multiplying power is great, and charge-discharge efficiency is high, and environmental adaptation ability is than stronger, and external environment temperature is less to product charge-discharge influence, has solved our regional northern hemisphere winter and spring power device's the problem of starting the difficulty. And the corresponding inverter, charging and discharging and power control modules (EMS, BMS) are configured, so that the current is wide in adaptation range, the instantaneous response speed is high, and various complete safety protection measures (overcurrent, overload, power leakage prevention function and the like) are taken. The components cooperate with each other, so that the ion migration resistance is reduced, and various performances of the capacitor are improved.
The present invention will be specifically described below by way of examples. It should be noted that the following examples are only for illustrating the present invention and should not be construed as limiting the scope of the present invention, and that the insubstantial modifications and adaptations of the present invention by those skilled in the art based on the above disclosure are still within the scope of the present invention.
In addition, the starting materials used are all commercially available, unless otherwise specified.
Examples
Example 1
The novel electrode material for the super capacitor comprises, by weight, 40 parts of graphene oxide, 20 parts of carbon nanotubes, 0.5 part of a surfactant and 50 parts of water.
The graphene oxide is electrothermal reduced graphene oxide powder and vitamin C reduced graphene oxide; the weight ratio of the electrothermal reduced graphene oxide powder to the vitamin C reduced graphene oxide is 8: 1. the electrothermal reduction graphene oxide powder and the vitamin C reduction graphene oxide are purchased from Nanjing Xiancheng nanometer.
The carbon nano tube is a hydroxyl short carbon nano tube and a carboxyl short carbon nano tube; the weight ratio of the hydroxyl short carbon nano tube to the carboxyl short carbon nano tube is 3: 1; the carbon nanotubes are purchased from the island technologies ltd, debac, beijing. The model of the hydroxyl short carbon nanotube is CNT 502; the carboxyl short carbon nanotube is the type CNT 602.
The surfactant is sodium dodecyl benzene sulfonate.
The preparation method of the supercapacitor electrode material comprises the following steps: (1) adding graphene oxide, a carbon nano tube and a surfactant into water, and carrying out ultrasonic treatment for 30 min; (2) putting activated carbon into an oven, setting the temperature at 100 ℃ and 120 ℃, and reacting for 8-10 h; (3) dispersing into emulsion by wet ball milling, then carrying out filter pressing separation on the emulsion to obtain slurry, drying the slurry, and then grinding and crushing to obtain the electrode material.
Wherein the weight of the activated carbon is 8 times of that of the graphene oxide and the carbon nano tube.
A supercapacitor comprises the supercapacitor electrode material.
Example 2
The novel electrode material for the super capacitor comprises, by weight, 60 parts of graphene oxide, 30 parts of carbon nanotubes, 2 parts of a surfactant and 100 parts of water.
The graphene oxide is electrothermal reduced graphene oxide powder and vitamin C reduced graphene oxide; the weight ratio of the electrothermal reduced graphene oxide powder to the vitamin C reduced graphene oxide is 8: 1.
the electrothermal reduction graphene oxide powder and the vitamin C reduction graphene oxide are purchased from Nanjing Xiancheng nanometer.
The carbon nano tube is a hydroxyl short carbon nano tube and a carboxyl short carbon nano tube; the weight ratio of the hydroxyl short carbon nano tube to the carboxyl short carbon nano tube is 3: 1; the carbon nanotubes are purchased from the island technologies ltd, debac, beijing. The model of the hydroxyl short carbon nanotube is CNT 502; the carboxyl short carbon nanotube is the type CNT 602.
The surfactant is sodium dodecyl benzene sulfonate.
The specific steps of the preparation method of the supercapacitor electrode material are the same as those of example 1.
A supercapacitor comprises the supercapacitor electrode material.
Example 3
The novel electrode material for the super capacitor comprises, by weight, 60 parts of graphene oxide, 30 parts of carbon nanotubes, 2 parts of a surfactant and 100 parts of water.
The graphene oxide is electrothermal reduction graphene oxide powder;
the carbon nano tube is a hydroxyl short carbon nano tube and a carboxyl short carbon nano tube; the weight ratio of the hydroxyl short carbon nano tube to the carboxyl short carbon nano tube is 3: 1; the carbon nanotubes are purchased from the island technologies ltd, debac, beijing. The model of the hydroxyl short carbon nanotube is CNT 502; the carboxyl short carbon nanotube is the type CNT 602.
The surfactant is sodium dodecyl benzene sulfonate.
The specific steps of the preparation method of the supercapacitor electrode material are the same as those of example 1.
A supercapacitor comprises the supercapacitor electrode material.
Example 4
The novel electrode material for the super capacitor comprises, by weight, 60 parts of graphene oxide, 30 parts of carbon nanotubes, 2 parts of a surfactant and 100 parts of water.
The graphene oxide is electrothermal reduced graphene oxide powder and vitamin C reduced graphene oxide; the weight ratio of the electrothermal reduced graphene oxide powder to the vitamin C reduced graphene oxide is 8: 0.5.
the carbon nano tube is a hydroxyl short carbon nano tube and a carboxyl short carbon nano tube; the weight ratio of the hydroxyl short carbon nano tube to the carboxyl short carbon nano tube is 3: 1; the carbon nanotubes are purchased from the island technologies ltd, debac, beijing. The model of the hydroxyl short carbon nanotube is CNT 502; the carboxyl short carbon nanotube is the type CNT 602.
The surfactant is sodium dodecyl benzene sulfonate.
The specific steps of the preparation method of the supercapacitor electrode material are the same as those of example 1.
A supercapacitor comprises the supercapacitor electrode material.
Example 5
The novel electrode material for the super capacitor comprises, by weight, 60 parts of graphene oxide, 30 parts of carbon nanotubes, 2 parts of a surfactant and 100 parts of water.
The graphene oxide is electrothermal reduced graphene oxide powder and vitamin C reduced graphene oxide; the weight ratio of the electrothermal reduced graphene oxide powder to the vitamin C reduced graphene oxide is 8: 3.
the carbon nano tube is a hydroxyl short carbon nano tube and a carboxyl short carbon nano tube; the weight ratio of the hydroxyl short carbon nano tube to the carboxyl short carbon nano tube is 3: 1; the carbon nanotubes are purchased from the island technologies ltd, debac, beijing. The model of the hydroxyl short carbon nanotube is CNT 502; the carboxyl short carbon nanotube is the type CNT 602.
The surfactant is sodium dodecyl benzene sulfonate.
The specific steps of the preparation method of the supercapacitor electrode material are the same as those of example 1.
A supercapacitor comprises the supercapacitor electrode material.
Example 6
The novel electrode material for the super capacitor comprises, by weight, 60 parts of graphene oxide, 30 parts of carbon nanotubes and 100 parts of water.
The graphene oxide is electrothermal reduced graphene oxide powder and vitamin C reduced graphene oxide; the weight ratio of the electrothermal reduced graphene oxide powder to the vitamin C reduced graphene oxide is 8: 1.
the carbon nano tube is a hydroxyl short carbon nano tube and a carboxyl short carbon nano tube; the weight ratio of the hydroxyl short carbon nano tube to the carboxyl short carbon nano tube is 3: 1; the carbon nanotubes are purchased from the island technologies ltd, debac, beijing. The model of the hydroxyl short carbon nanotube is CNT 502; the carboxyl short carbon nanotube is the type CNT 602.
The specific steps of the preparation method of the supercapacitor electrode material are the same as those of example 1.
A supercapacitor comprises the supercapacitor electrode material.
Example 7
The novel electrode material for the super capacitor comprises, by weight, 60 parts of graphene oxide, 30 parts of carbon nanotubes, 2 parts of a surfactant and 100 parts of water.
The graphene oxide is electrothermal reduced graphene oxide powder and vitamin C reduced graphene oxide; the weight ratio of the electrothermal reduced graphene oxide powder to the vitamin C reduced graphene oxide is 8: 1.
the carbon nano tube is a hydroxyl short carbon nano tube and a carboxyl short carbon nano tube; the weight ratio of the hydroxyl short carbon nano tube to the carboxyl short carbon nano tube is 3: 1; the carbon nanotubes are purchased from the island technologies ltd, debac, beijing. The model of the hydroxyl short carbon nanotube is CNT 502; the carboxyl short carbon nanotube is the type CNT 602.
The surfactant is sodium lauryl sulfate.
The specific steps of the preparation method of the supercapacitor electrode material are the same as those of example 1.
A supercapacitor comprises the supercapacitor electrode material.
Performance testing
The electrode material of the supercapacitor prepared in the example and the composite electrode material formed by the commercial conductive carbon black SP with the addition of 8 wt% and the active carbon are prepared into an organic button type electric double layer capacitor for testing; the charge and discharge current density and the cycle performance at a current density of 200mA/g were tested.
The charging and discharging current density is superior when being more than 2000 mA/g; the charge-discharge current density is in the range of 1000-2000 mA/g; when the charge-discharge current density is less than 1000mA/g, the difference is obtained.
Cycle performance: the capacity retention rate is more than 96% under 200 mA/g; the capacity retention rate is in the range of 85-96%; the capacity retention rate of less than 85% is poor.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may modify or change the technical content of the above disclosure into equivalent embodiments with equivalent changes, but all those simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the present invention.
Claims (10)
1. A novel electrode material of a super capacitor is characterized in that raw materials for preparation comprise graphene oxide, carbon nanotubes and a surfactant.
2. The electrode material of claim 1, wherein the preparation raw materials comprise, by weight, 40-60 parts of graphene oxide, 20-30 parts of carbon nanotubes, 0.5-2 parts of a surfactant, and 50-100 parts of water.
3. The electrode material of claim 1 or 2, wherein the carbon nanotubes are selected from at least one of hydroxyl multi-walled carbon nanotubes, carboxyl multi-walled carbon nanotubes, hydroxyl short carbon nanotubes, and carboxyl short carbon nanotubes.
4. The electrode material of claim 3, wherein the carbon nanotubes are hydroxyl short carbon nanotubes and carboxyl short carbon nanotubes.
5. The electrode material of claim 4, wherein the weight ratio of the hydroxyl-group short carbon nanotubes to the carboxyl-group short carbon nanotubes is (2-4): 1.
6. the electrode material of any one of claims 3-5, wherein the hydroxyl short carbon nanotubes and carboxyl short carbon nanotubes are present in a weight ratio of 3: 1.
7. the electrode material of claim 1 or 2, wherein the surfactant is selected from at least one of sodium dodecylbenzenesulfonate, triton, acrylic polymer surfactants.
8. The electrode material of claim 7, wherein the surfactant is sodium dodecylbenzenesulfonate.
9. A method for preparing an electrode material according to any one of claims 1 to 8, comprising the steps of: (1) adding graphene oxide, carbon nano tubes and a surfactant into water, and carrying out ultrasonic treatment for 20-40 min; (2) putting activated carbon into an oven, setting the temperature at 100 ℃ and 120 ℃, and reacting for 8-10 h; (3) dispersing into emulsion by wet ball milling, then carrying out filter pressing separation on the emulsion to obtain slurry, drying the slurry, and then grinding and crushing to obtain the electrode material.
10. A supercapacitor comprising the electrode material of any one of claims 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010169353.XA CN111341566A (en) | 2020-03-12 | 2020-03-12 | Novel electrode material of super capacitor and super capacitor |
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| CN202010169353.XA CN111341566A (en) | 2020-03-12 | 2020-03-12 | Novel electrode material of super capacitor and super capacitor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003567A (en) * | 2021-05-06 | 2021-06-22 | 哈尔滨工程大学 | Device and method for reducing graphene oxide |
| CN114974923A (en) * | 2021-07-05 | 2022-08-30 | 上海派景新能源科技有限公司 | Electrode material for super capacitor and preparation method thereof |
-
2020
- 2020-03-12 CN CN202010169353.XA patent/CN111341566A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003567A (en) * | 2021-05-06 | 2021-06-22 | 哈尔滨工程大学 | Device and method for reducing graphene oxide |
| CN114974923A (en) * | 2021-07-05 | 2022-08-30 | 上海派景新能源科技有限公司 | Electrode material for super capacitor and preparation method thereof |
| CN114974923B (en) * | 2021-07-05 | 2024-01-23 | 上海派景新能源科技有限公司 | Electrode material for super capacitor and preparation method thereof |
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