CN107230556B - Column type super capacitor - Google Patents
Column type super capacitor Download PDFInfo
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- CN107230556B CN107230556B CN201610176843.6A CN201610176843A CN107230556B CN 107230556 B CN107230556 B CN 107230556B CN 201610176843 A CN201610176843 A CN 201610176843A CN 107230556 B CN107230556 B CN 107230556B
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- 239000003990 capacitor Substances 0.000 title claims abstract description 33
- 238000004804 winding Methods 0.000 claims abstract description 85
- 239000000178 monomer Substances 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 31
- 239000013310 covalent-organic framework Substances 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000007772 electrode material Substances 0.000 claims abstract description 9
- 239000004744 fabric Substances 0.000 claims description 35
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 30
- 239000004917 carbon fiber Substances 0.000 claims description 30
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 12
- 239000011888 foil Substances 0.000 claims description 10
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims description 10
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 9
- 229910044991 metal oxide Inorganic materials 0.000 claims description 7
- 150000004706 metal oxides Chemical class 0.000 claims description 7
- 239000000543 intermediate Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- WQOWBWVMZPPPGX-UHFFFAOYSA-N 2,6-diaminoanthracene-9,10-dione Chemical compound NC1=CC=C2C(=O)C3=CC(N)=CC=C3C(=O)C2=C1 WQOWBWVMZPPPGX-UHFFFAOYSA-N 0.000 claims description 4
- 229920000297 Rayon Polymers 0.000 claims description 3
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 3
- 239000013305 flexible fiber Substances 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 24
- 238000009826 distribution Methods 0.000 description 6
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- 230000000694 effects Effects 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
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- JPYHHZQJCSQRJY-UHFFFAOYSA-N Phloroglucinol Natural products CCC=CCC=CCC=CCC=CCCCCC(=O)C1=C(O)C=C(O)C=C1O JPYHHZQJCSQRJY-UHFFFAOYSA-N 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
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- QCDYQQDYXPDABM-UHFFFAOYSA-N phloroglucinol Chemical compound OC1=CC(O)=CC(O)=C1 QCDYQQDYXPDABM-UHFFFAOYSA-N 0.000 description 2
- 229960001553 phloroglucinol Drugs 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
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- 239000010405 anode material Substances 0.000 description 1
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- -1 tetraethylammonium tetrafluoroborate Chemical compound 0.000 description 1
- 238000004758 underpotential deposition Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
- H01G11/66—Current collectors
- H01G11/70—Current collectors characterised by their structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
- H01G11/78—Cases; Housings; Encapsulations; Mountings
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
The application provides a column type super capacitor, include: the electrode comprises an electrode winding body, a mandrel, a shell, a positive electrode lead, a negative electrode lead and a sealing body; the electrode winding body consists of one or more than two (including two) coaxial electrode winding monomers; the electrode winding monomer is formed by winding a winding sheet of a multilayer structure consisting of a positive electrode, a negative electrode, a positive electrode collector, a negative electrode collector, a first separator and a second separator which are stacked together in a set order on the mandrel; the positive collector electrode and the negative collector electrode are respectively attached to the positive electrode and the negative electrode at set intervals; the case encloses the electrode wound body, the mandrel, and the sealing body. The super capacitor provided by the application can increase the effective contact area of the anode and the cathode, and the electrode material adopts a covalent organic framework material with high porosity, so that the specific capacity of the super capacitor is remarkably increased.
Description
Technical Field
The application relates to the field of electronic equipment, in particular to a column type super capacitor.
Background
The super capacitor is a novel energy storage device, and is a novel power type energy storage device which is arranged between a traditional capacitor and a rechargeable battery and can be charged and discharged rapidly. The energy-saving and energy-saving hybrid power system has the characteristics of higher energy density and power density, wider working temperature range, excellent cycle performance and the like, and has wide application prospects in the aspects of aerospace, national defense digital communication equipment, power supply, storage backup systems, advanced automobiles such as hybrid power automobiles and fuel cell automobiles and the like.
Due to the difference in energy storage mechanisms, supercapacitors are classified as: 1. the double-layer capacitor is based on the principle of an electric double layer of an interface between a high-specific surface area electrode material and a solution; 2. pseudocapacitors based on electrochemical underpotential deposition or redox faradaic processes. In order to improve the performance of the capacitor and reduce the cost, a pseudo-capacitive electrode material and an electric double layer capacitive electrode material are often mixed to form a so-called hybrid electrochemical capacitor.
The winding type cylindrical super capacitor has the characteristics of simple structure and mature manufacturing process, and is widely applied to industrial manufacturing. A conventional electrode wound body of a supercapacitor is formed by winding a wound sheet of a multilayer structure around an intermediate mandrel, the wound sheet of the multilayer structure comprising: the aluminum foil layer, the positive fiber cloth, the diaphragm, the negative fiber cloth and the aluminum foil layer are made of porous carbon fiber materials. Such a supercapacitor has one drawback: the sizes of the anode fiber cloth, the cathode fiber cloth and the aluminum foil layer are the same, so that only one capacitor structure can be formed in a single winding circumference of the winding sheet, and the specific capacitance of the super capacitor is too small.
Disclosure of Invention
The application provides a column type super capacitor adopts and dwindles anodal collecting electrode with the mode of negative electrode collecting electrode's area makes anodal with the negative pole passes through the diaphragm has had more area of contact, forms more capacitors on unit radial length, thereby improves super capacitor's specific capacity has overcome the defect that current super capacitor specific capacity is low.
The application provides a column type ultracapacitor system includes:
the electrode comprises an electrode winding body, a mandrel, a shell, a positive electrode lead, a negative electrode lead and a sealing body;
the electrode winding body consists of one or more than two coaxial (including two) electrode winding monomers; the electrode winding unit is formed by winding a winding piece of a multilayer structure formed by stacking a positive electrode, a negative electrode, a positive electrode collector, a negative electrode collector, a first separator and a second separator in a set order on the mandrel;
the positive collector electrodes are composed of positive collector electrode monomers with a certain number and a set length, and the positive collector electrode monomers are attached to the positive electrodes at set intervals; the negative collector electrodes are composed of a certain number of negative collector electrode monomers with a set length, and the negative collector electrode monomers are attached to the negative electrode at set intervals;
the positive electrode lead is connected with the positive electrode collector; the negative lead is connected with the negative collector;
the electrode winding body, the mandrel and the sealing body are wrapped by the shell, and the sealing body is located between the upper end face of the electrode winding body and the shell.
Optionally, the positive electrode is composed of a flexible fiber cloth substrate and an electrode active material coated on the fiber cloth substrate; the electrode active material is a mixture of a covalent organic framework material and a metal oxide.
Optionally, the fiber cloth substrate comprises at least one of the following materials: polyacrylonitrile-based carbon fibers, pitch-based carbon fibers and viscose-based carbon fibers.
Optionally, the metal oxide comprises at least one of the following materials: manganese oxide (MnO), ruthenium dioxide (RuO) 2 )。
Optionally, the covalent organic framework material is formed by combining the organic intermediates 2, 6-Diaminoanthraquinone (DAAQ) and 1,3, 5-Triacylphloroglucinol (TFP).
Optionally, the mandrel is a cylinder with a closed hollow inner cavity; the hollow lumen is provided with a vacuum.
Optionally, the layers of the winding sheet stacked in the set order are in sequence: the cathode comprises a cathode collector, a cathode, a first diaphragm, a cathode collector and a second diaphragm.
Optionally, the layers of the winding sheet stacked in the set order are in order: negative collector, negative pole, first diaphragm, positive pole, positive collector, second diaphragm.
Optionally, the supercapacitor further comprises a diaphragm; the electrode winding single bodies are separated by the diaphragm.
Optionally, the positive collector and the negative collector are made of aluminum foil.
Compared with the prior art, the method has the following advantages:
firstly, the positive collector electrodes are composed of positive collector electrode monomers with a certain number and a set length, and the positive collector electrode monomers are attached to the positive electrode at set intervals; the negative collector electrodes are composed of a certain number of negative collector electrode monomers with a set length, the negative collector electrode monomers are attached to the negative electrode at set intervals, and the wound body formed in this way can enable the positive electrode and the negative electrode to have more contact areas through the diaphragm, and more capacitors are formed in unit radial length, so that the specific capacity of the super capacitor is improved.
Secondly, a structure of a plurality of coaxial winding monomers is adopted, so that the exchange of charged ions among the winding monomers is increased, and the specific capacity of the super capacitor is further improved.
In the preferred embodiment of the present application, the electrode material is a fiber cloth coated with a covalent organic framework, and due to the characteristics of high porosity and high specific surface area of the covalent organic framework material, the energy density of the capacitor can be significantly increased.
Drawings
FIG. 1 is a schematic diagram illustrating a pillar type supercapacitor according to an embodiment of the present disclosure;
fig. 2 is a structural view illustrating a winding sheet of the first winding unit provided in an embodiment of the present application;
fig. 3 shows a distribution diagram of the positive collector cell on the positive electrode provided by an embodiment of the present application;
fig. 4 is a schematic cross-sectional view of the electrode roll provided in the embodiment of the present application.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of implementation in many different ways than those herein set forth and of similar import by those skilled in the art without departing from the spirit of this application and is therefore not limited to the specific implementations disclosed below.
The embodiment of the application provides a column type super capacitor; fig. 1 shows a schematic structure diagram of the column supercapacitor provided in this application, and the structure of the column supercapacitor is described in detail below with reference to fig. 1.
As shown in fig. 1, the column type super capacitor includes: the battery comprises a first winding single body 1, a diaphragm 2, a second winding single body 3, a mandrel 4, a shell 5, a positive electrode lead 6, a negative electrode lead 7 and a sealing body 8.
The electrode winding unit 1 is formed by winding a winding sheet having a multilayer structure in which a positive electrode, a negative electrode, a positive electrode collector, a negative electrode collector, a first separator and a second separator are stacked in a set order around the mandrel 4.
Fig. 2 shows a structure view of a winding sheet of the first winding unit 1 provided in an embodiment of the present application, and as shown in fig. 2, the electrode winding unit 1 includes: a positive collector 1-1, a positive electrode 1-2, a first separator 1-3, a negative electrode 1-4, a negative collector 1-5, and a second separator 1-6.
The material of the positive collector electrode 1-1 provided by the embodiment of the application is an aluminum foil, and the aluminum foil is evaporated on the positive electrode 1-2; the distribution of the positive collector electrode 1-1 on the positive electrode 1-2 is discontinuous, and the positive collector electrode is divided into a plurality of positive collector electrode monomers with set lengths.
The substrate of the positive electrode 1-2 is flexible carbon fiber cloth, and the surface of the positive electrode is coated with a mixture of a covalent organic framework material (COF material) and metal oxide MnO; the covalent organic framework material is composed of the organic intermediates 2, 6-Diaminoanthraquinone (DAAQ) and 1,3, 5-triacyl phloroglucinol (TFP).
The substrate of the negative electrodes 1-4 is flexible carbon fiber cloth, and the surface of the positive electrode is coated with covalent organic framework material and metal oxide RuO 2 A mixture of (a); the covalent organic framework material is composed of the organic intermediates 2, 6-Diaminoanthraquinone (DAAQ) and 1,3, 5-triacyl phloroglucinol (TFP).
In the embodiment of the application, the carbon fiber cloth used as the substrate of the anode 1-1 and the cathode 1-4 is polyacrylonitrile-based carbon fiber cloth, and as an optional material, pitch-based carbon fiber cloth or viscose-based carbon fiber cloth can also be selected.
Fig. 3 shows a distribution diagram of the positive collector cell on the positive electrode 1-2 provided by the embodiment of the present application.
As shown in fig. 3, the left long bar represents the positive electrode 1-2, and the grid filled with a net shape represents the distribution of the positive collector cells; the white lattice represents that only the anode material exists, and the width of the anode collector monomer is the same as that of the anode 1-2; the length of the positive collector electrode monomer is equal to the distance between the positive collector electrode monomers, and the distance is related to the distance from the positive collector electrode to the center of the mandrel after the electrode winding body is wound, namely the arc radius of the arc where the positive collector electrode is located. For example, assuming that n grids in fig. 3 may enclose a circumference around the mandrel 4, the radius of the circumference being r, then the spacing d =2 pi r/n, and n is an odd number in order to ensure that the positive collector monomer of the next winding cycle can be offset from the positive collector of the current winding cycle.
In order to facilitate processing, the electrode winding single body 1 is divided into 20 width grades according to the radial width in the radial direction in the embodiment of the application, and the value of r is the same in one width grade.
The number of the positive electrode collector cells is related to the length of the wound sheet.
In fig. 3, the right bar represents the negative electrodes 1 to 5; similarly, the electrode collector 1-5 is also composed of a certain number of negative electrode collector monomers evaporated on the negative electrodes 1-4.
As shown in fig. 3, the distribution of the negative collector cell on the negative electrode 1-4 is similar to the distribution of the positive collector cell on the positive electrode 1-2; for the same winding sheet, the position of the single negative collector electrode is staggered with the position of the single positive collector electrode.
The first separator 1-3 is sandwiched between the positive electrode 1-2 and the negative electrode 1-4; the outermost layer of the winding sheet is the second diaphragm 1-6, and after the electrode winding monomer is wound, the second diaphragm 1-6 is just clamped between the positive electrode collector 1-1 and the negative electrode collector 1-5.
The second wound cell 3 has a similar structure to the first wound cell 1 except that the positions of the positive electrode and the negative electrode are different: and exchanging the positive electrode 1-2 and the negative electrode 1-4 of the first winding monomer 1 to form the second winding monomer 3.
A diaphragm 2 is sandwiched between the first winding unit 1 and the second winding unit 3. The same material as that used for the first and second separators 1 to 3 and 1 to 6 is used for the diaphragm 2, so that the first wound cell 1 and the second wound cell 3 can be electrically insulated, but charged ions in the electrolyte can pass through.
The first winding single body 1, the diaphragm 2 and the second winding single body 3 are sequentially sleeved on the mandrel 4.
Fig. 4 shows a schematic cross-sectional view of the electrode roll provided in the embodiments of the present application, from which we can see the mutual positions of the layers of the electrode roll.
As shown in fig. 4, in two winding cycles, the first winding unit 1 is respectively a positive collector 1-1, a positive electrode 1-2, a first separator 1-3, a negative electrode 1-4, a second separator 1-6, a positive electrode 1-2, a first separator 1-3, a negative electrode 1-4, a negative collector 1-5, and a second separator 1-6 from inside to outside; the second winding monomer 3 comprises a second negative collector 3-1, a second negative electrode 3-2, a third diaphragm 3-3, a second positive electrode 3-4, a fourth diaphragm 3-6, a second negative electrode 3-2, a third diaphragm 3-3, a second positive electrode 3-4, a second positive collector 3-5 and a fourth diaphragm 3-6 from inside to outside. The super capacitor provided by the embodiment of the application forms 3 capacitor structures in two winding periods, which are larger than two of the comparison schemes.
The mandrel 4 is a cylinder with a closed hollow inner cavity; the hollow interior is evacuated. The vacuum cavity is effective to prevent expansion of the mandrel 4 after heating.
The preferred embodiment of this application has adopted the structure of two electrode winding bodies, as optional, can also adopt the structure of single electrode winding monomer or a plurality of (more than two) motor winding monomers according to actual need.
The lower end of the positive lead 6 is connected with the positive collector of the first electrode winding single body 1 and the positive collector of the second electrode winding single body 3; the lower end of the negative electrode lead 7 is connected with the negative electrode collector of the first electrode winding single body 1 and the negative electrode collector of the second electrode winding single body 3.
The lower body of the shell 5 is a barrel-shaped thin-wall part with an open upper end, the upper cover of the shell 5 is a circular plate with two through holes, the upper cover and the lower body are pressure-welded together, and the first electrode winding body 1, the diaphragm 2, the second winding monomer 3 and the mandrel 5 which are placed in the shell 5, and the sealing body 8 which is positioned between the upper end surface of the first electrode winding body 1 and the lower end surface of the upper cover of the shell 5 are sealed in the shell 5; the upper ends of the positive electrode lead 6 and the negative electrode lead 7 are exposed to the outside of the case 5 through holes passing through the sealing body 8 and the upper cover of the case 5.
The embodiment of the application also provides a manufacturing method for manufacturing the column-type super capacitor, the manufacturing method takes the column-type super capacitor formed by winding a single electrode into a single body as an example, and the manufacturing method comprises the following steps:
pretreatment of the carbon fiber cloth: the carbon fiber cloth is manually folded for a plurality of times (preferably 10 to 15 times) in a vacuum box by an operator and then is sent into a drying box for drying, and the drying time and the drying strength are adjusted according to the final effect required by the carbon fiber cloth. The carbon fiber cloth finally needs to achieve the following effects: the carbon fiber cloth can be completely spread and is quite fluffy, and the most obvious effect is that most fiber hairs are in a state of being at first sight, so that the carbon fiber cloth can absorb electrolyte and COF materials as much as possible in the following operation, and the COF materials are a mixture of covalent organic framework materials and metal oxides.
Dissolving the COF material in a volatile organic solvent, namely 1.0mol/L tetraethylammonium tetrafluoroborate/propylene carbonate (Et 4NBF 4/PC) solution, placing the solution in a vacuum stirrer for vacuum stirring, and after the solution is uniformly distributed to be in a colloid state, completely extending the carbon fiber cloth and soaking the carbon fiber cloth in the colloid solution for 5-6 hours.
And then, taking out the carbon fiber cloth attached with the COF material, placing the carbon fiber cloth in a vacuum drying oven for drying operation, wherein the solvent is mainly evaporated out, so that the COF material can be thoroughly attached to the carbon fiber cloth, and the COF material carbon fiber cloth is obtained.
And arranging the COF material carbon fiber in a pair roller machine for rolling, wherein the rolling is beneficial to increasing the density of the COF material carbon fiber cloth.
And after the COF material carbon fiber cloth is rolled for multiple times, cutting the COF material carbon fiber cloth into required length and width by using a strip dividing machine.
After cutting, evaporating an aluminum foil layer at a designated position on one surface of the COF material carbon fiber cloth by adopting a vacuum evaporation method; the aluminum foil layer is a collector of the super capacitor, and lead-out wires (both positive and negative electrodes) are riveted on the aluminum foil to serve as a positive lead and a negative lead of the super capacitor.
And stacking the positive electrode collector, the positive electrode fiber cloth, the diaphragm, the negative electrode fiber cloth, the negative electrode collector and the diaphragm into a winding sheet according to a preset sequence, and winding the winding sheet around a mandrel by using a winding machine to obtain an electrode winding body.
Then soaking the electrode winding body in electrolyte, and standing in a vacuum environment; and taking out the electrode winding body filled with the electrolyte after a set time, draining in vacuum, uniformly pressurizing the electrode winding body, continuously draining the overflowing electrolyte, and repeating the pressurizing and draining processes for 3-4 times.
Then putting the electrode winding body into an aluminum shell, tightly surrounding the electrode winding body by the aluminum shell through a channeling machine (paying attention to the process without scratching the electrode winding body), finally, fully injecting phenolic plastic in a hot melting state into the top of the electrode winding body, and covering an upper cover on the electrode winding body after cooling; and sealing each connecting part of the capacitor to finish the packaging of the capacitor.
Although the present application has been described with reference to the preferred embodiments, it is not intended to limit the present application, and those skilled in the art can make variations and modifications without departing from the spirit and scope of the present application, therefore, the scope of the present application should be determined by the claims that follow.
Claims (10)
1. A column type super capacitor, comprising:
the electrode comprises an electrode winding body, a mandrel, a shell, a positive electrode lead, a negative electrode lead and a sealing body;
the electrode winding body consists of one or more than two coaxial electrode winding monomers; the electrode winding monomer is formed by winding a winding sheet of a multilayer structure consisting of a positive electrode, a negative electrode, a positive electrode collector, a negative electrode collector, a first separator and a second separator which are stacked together in a set order on the mandrel;
the positive collector electrodes are composed of positive collector electrode monomers with a certain number and a set length, and the positive collector electrode monomers are attached to the positive electrodes at set intervals; the negative collector electrodes are composed of a certain number of negative collector electrode monomers with a set length, and the negative collector electrode monomers are attached to the negative electrode at set intervals;
the length of the single positive collector electrode is equal to the distance between the single positive collector electrodes, and the length of the single negative collector electrode is equal to the distance between the single negative collector electrodes; the positive collector monomer of the next winding period is staggered with the positive collector of the current winding period; the position of the single negative collector electrode is staggered with that of the single positive collector electrode;
the positive electrode lead is connected with the positive electrode collector; the negative lead is connected with the negative collector;
the electrode winding body, the mandrel and the sealing body are wrapped by the shell, and the sealing body is located between the upper end face of the electrode winding body and the shell.
2. The column supercapacitor according to claim 1, wherein the positive electrode is composed of a flexible fiber cloth substrate and an electrode active material coated on the fiber cloth substrate; the electrode active material is a mixture of a covalent organic framework material and a metal oxide.
3. The column supercapacitor of claim 2, wherein the fiber cloth substrate comprises at least one of the following materials: polyacrylonitrile-based carbon fibers, pitch-based carbon fibers and viscose-based carbon fibers.
4. The column supercapacitor of claim 2, wherein the metal oxide comprises at least one of the following materials: manganese oxide (MnO) and ruthenium dioxide (RuO) 2 ）。
5. The column supercapacitor of claim 2, in which the covalent organic framework material is a combination of the organic intermediates 2, 6-Diaminoanthraquinone (DAAQ) and 1,3, 5-Triacylphloroglucinol (TFP).
6. The column supercapacitor of claim 1, wherein the mandrel is a cylinder with a closed hollow interior; the hollow lumen is provided with a vacuum.
7. The column supercapacitor according to claim 1, wherein the layers of the wound sheet stacked in the set order are in the order: the cathode comprises a cathode collector, a cathode, a first diaphragm, a cathode collector and a second diaphragm.
8. The column supercapacitor of claim 1, wherein the layers of the wound sheet stacked in the set order are, in order: negative collector, negative pole, first diaphragm, positive pole, positive collector, second diaphragm.
9. The column supercapacitor of claim 1, further comprising a diaphragm; the electrode winding single bodies are separated by the diaphragm.
10. The column supercapacitor of claim 1, wherein the positive and negative current collectors are aluminum foil.
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| CN201610176843.6A CN107230556B (en) | 2016-03-25 | 2016-03-25 | Column type super capacitor |
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| CN201610176843.6A CN107230556B (en) | 2016-03-25 | 2016-03-25 | Column type super capacitor |
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| CN107230556B true CN107230556B (en) | 2023-04-11 |
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| WO2016017380A1 (en) * | 2014-07-31 | 2016-02-04 | 富士フイルム株式会社 | Aluminum plate |
| KR20160019284A (en) * | 2014-08-11 | 2016-02-19 | 주식회사 엘지화학 | Battery Cell Comprising Unit Cell Stacks and Intermediate Stack Cell |
| CN205845718U (en) * | 2016-03-25 | 2016-12-28 | 华北电力大学（保定） | A kind of pillar super capacitor |
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| CN1351386A (en) * | 2000-10-26 | 2002-05-29 | 松本功 | Coiled electrode sets for battery and battery |
| WO2016017380A1 (en) * | 2014-07-31 | 2016-02-04 | 富士フイルム株式会社 | Aluminum plate |
| KR20160019284A (en) * | 2014-08-11 | 2016-02-19 | 주식회사 엘지화학 | Battery Cell Comprising Unit Cell Stacks and Intermediate Stack Cell |
| CN205845718U (en) * | 2016-03-25 | 2016-12-28 | 华北电力大学（保定） | A kind of pillar super capacitor |
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