CN109659166A - Cobaltosic oxide electrode and the preparation method that asymmetric electrode is formed with active carbon - Google Patents
Cobaltosic oxide electrode and the preparation method that asymmetric electrode is formed with active carbon Download PDFInfo
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- CN109659166A CN109659166A CN201811621439.0A CN201811621439A CN109659166A CN 109659166 A CN109659166 A CN 109659166A CN 201811621439 A CN201811621439 A CN 201811621439A CN 109659166 A CN109659166 A CN 109659166A
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- cobaltosic oxide
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- UBEWDCMIDFGDOO-UHFFFAOYSA-N cobalt(2+);cobalt(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Co+2].[Co+3].[Co+3] UBEWDCMIDFGDOO-UHFFFAOYSA-N 0.000 title claims abstract description 99
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 24
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 94
- 239000006260 foam Substances 0.000 claims abstract description 47
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 47
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 9
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 42
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 20
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
- 239000000243 solution Substances 0.000 claims description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 10
- 239000008367 deionised water Substances 0.000 claims description 10
- 229910021641 deionized water Inorganic materials 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000003792 electrolyte Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000007772 electrode material Substances 0.000 abstract description 22
- 239000000463 material Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract description 2
- 239000003990 capacitor Substances 0.000 description 7
- 229910000428 cobalt oxide Inorganic materials 0.000 description 4
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 4
- 235000013495 cobalt Nutrition 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 2
- 229910000314 transition metal oxide Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000002322 conducting polymer Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 238000002484 cyclic voltammetry Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000002057 nanoflower Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000002468 redox effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- 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
- H01G11/84—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- 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
- H01G11/04—Hybrid capacitors
-
- 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
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/46—Metal oxides
-
- 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)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Nanotechnology (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Materials Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
A kind of preparation method the invention discloses cobaltosic oxide electrode and with active carbon composition asymmetric electrode, this method is using nickel foam as substrate, cobaltosic oxide material is prepared by template, pass through hydro-thermal method supported cobaltosic oxide in nickel foam again, it is respectively the Asymmetric Supercapacitor of positive and negative anodes with cobaltosic oxide and active carbon, this method production technology and equipment are simple, preparation cost is low, obtained cobaltosic oxide electrode material is with good stability, higher specific capacitance, and asymmetric electrode has wider potential operation window, to improve the energy density of supercapacitor.
Description
Technical field
Study science the present invention relates to electrification and energy technology field more particularly to a kind of cobaltosic oxide electrode and with work
Property charcoal composition asymmetric electrode preparation method.
Background technique
Supercapacitor has many advantages, such as that power density is big, charge and discharge are fast, the stable circulation time is long, is most promising at present
One of energy-storage system.However, the intrinsic low energy densities of conventional Super capacitor seriously limit it and are widely applied, promote
Researcher explores the better Novel super capacitor of performance.Mainly there are three classes currently used as the material of electrode of super capacitor:
Carbon material, conducting polymer materials and transition metal oxide material.However transition metal oxide, since its is with higher
Faraday's capacitor, capacitance are much larger than the electric double layer capacitance of active carbon, therefore, electrode material as supercapacitor also by
It studies and makes some progress extensively.Wherein Co3O4Due to high surface area, controllable shape and structure, strong electron storage energy
Power and good redox property and be considered as a kind of suitable electrode material.Nearest report shows to have special micro-
See the nanostructure Co of structure and form3O4Theoretical specific capacitance 3560F/g with excellent electrochemical capacitor performance, superelevation.
However, in order to meet the needs of electronic equipment fast development, asymmetric super-capacitor (ASCs) using two kinds not
Assemble with electrode material, there is the remarkable advantage of operation voltage window width, currently, it is necessary to electrode material and device design
It optimizes, further increases the energy density of ASCs.In recent years, ASC is improved by increasing capacitor and/or increasing voltage window
The energy density of device has done many trials.
Summary of the invention
It is non-right to form technical problem to be solved by the invention is to provide a kind of cobaltosic oxide electrode and with active carbon
Claim the preparation method of electrode, the cobaltosic oxide electrode material of this method preparation has high specific capacitance and good stable structure
Property, specific capacitance be up to 4338F/g, and asymmetric electrode has wider potential operation window, to effectively increase super electricity
The energy density of container.
In order to solve the above technical problems, cobaltosic oxide electrode of the present invention and the system with active carbon composition asymmetric electrode
Preparation Method includes the following steps:
Step 1: taking nickel foam, it is dried in vacuo after being successively cleaned by ultrasonic with hydrochloric acid, acetone, deionized water and alcohol；
Hydro-thermal process is carried out Step 2: being dipped to nickel foam after drying in the aqueous solution containing cobaltosic oxide, four oxidations three
The concentration of cobalt liquor is 0.025~0.15g/L, and hydrothermal temperature is 90~180 DEG C, and hydrothermal conditions are 2~12h；
Step 3: it is after hydro-thermal reaction that nickel foam is dry, as working electrode, super electricity is surveyed by electrolyte of potassium hydroxide
CV the and GCD curve of appearance, nickel foam hydro-thermal cobaltosic oxide are anode, and active carbon is coated in nickel foam and prepares cathode, is adjusted
Positive and negative anodes mass ratio is 1:8~26.
Further, the hydrothermal temperature of the hydro-thermal process is respectively 90 DEG C, 110 DEG C, 150 DEG C or 180 DEG C.
Further, the time of the hydro-thermal process is respectively 2h, 6h, 10h or 12h.
Further, the concentration of the cobaltosic oxide solution be respectively 0.025 g/L, 0.05 g/L, 0.1 g/L or
0.15g/L。
Further, the positive and negative anodes mass ratio adjusts separately as 1:8,1:18 or 1:26.
Above-mentioned skill is used due to cobaltosic oxide electrode of the present invention and with the preparation method of active carbon composition asymmetric electrode
Art scheme, i.e. this method prepare cobaltosic oxide material using nickel foam as substrate, by template, then are being steeped by hydro-thermal method
Supported cobaltosic oxide on foam nickel is respectively the Asymmetric Supercapacitor of positive and negative anodes with cobaltosic oxide and active carbon, we
Method production technology and equipment are simple, and preparation cost is low, and obtained cobaltosic oxide electrode material is with good stability, higher
Specific capacitance, and asymmetric electrode have wider potential operation window, to improve the energy density of supercapacitor.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and embodiments:
Fig. 1 is the Co of this method preparation3O4The SME of electrode material schemes；
Fig. 2 is the Co of this method preparation3O4Electrode material is in 10mVs-1In cyclic voltammetry curve；
Fig. 3 is the Co of this method preparation3O4Charging and discharging curve of the electrode material under different current densities；
Fig. 4 is charging and discharging curve of the active carbon electrode material of this method preparation in 0.5A/g；
Fig. 5 is the Co of this method preparation3O4Electrode material and active carbon electrode material are respectively that the asymmetric electrode of positive and negative anodes exists
Charging and discharging curve under different current densities；
Fig. 6 is the Co of this method preparation3O4Electrode material and active carbon electrode material are respectively the asymmetric electrode of positive and negative anodes
The change curve of power density and energy density.
Specific embodiment
Cobaltosic oxide electrode of the present invention and the preparation method for forming asymmetric electrode with active carbon include the following steps:
Step 1: taking nickel foam, it is dried in vacuo after being successively cleaned by ultrasonic with hydrochloric acid, acetone, deionized water and alcohol；
Hydro-thermal process is carried out Step 2: being dipped to nickel foam after drying in the aqueous solution containing cobaltosic oxide, four oxidations three
The concentration of cobalt liquor is 0.025~0.15g/L, and hydrothermal temperature is 90~180 DEG C, and hydrothermal conditions are 2~12h；
Step 3: it is after hydro-thermal reaction that nickel foam is dry, as working electrode, super electricity is surveyed by electrolyte of potassium hydroxide
CV the and GCD curve of appearance, nickel foam hydro-thermal cobaltosic oxide are anode, and active carbon is coated in nickel foam and prepares cathode, is adjusted
Positive and negative anodes mass ratio is 1:8~26.
Preferably, the hydrothermal temperature of the hydro-thermal process is respectively 90 DEG C, 110 DEG C, 150 DEG C or 180 DEG C.
Preferably, the time of the hydro-thermal process is respectively 2h, 6h, 10h or 12h.
Preferably, the concentration of the cobaltosic oxide solution be respectively 0.025 g/L, 0.05 g/L, 0.1 g/L or
0.15g/L。
Preferably, the positive and negative anodes mass ratio adjusts separately as 1:8,1:18 or 1:26.
This method is further elaborated below by specific embodiment and in conjunction with attached drawing, but is not intended to limit the present invention:
Embodiment 1
1) nickel foam is taken, is dried in vacuo after being successively cleaned by ultrasonic with hydrochloric acid, acetone, deionized water and alcohol；
2) nickel foam is dipped in the aqueous solution containing cobaltosic oxide and carries out hydro-thermal process, the cobaltosic oxide solution
Concentration be 0.025g/L, hydrothermal temperature be 110 DEG C, the hydro-thermal time be 2h；
3) nickel foam after hydro-thermal reaction is dry, as working electrode, it is bent that CV and GCD is surveyed using potassium hydroxide as electrolyte
Line；
4) capacitive property is surveyed in the KOH solution of 2M to four cobalt oxide electrode materials of above-mentioned preparation.
Embodiment 2
1) nickel foam is taken, is dried in vacuo after being successively cleaned by ultrasonic with hydrochloric acid, acetone, deionized water and alcohol；
2) nickel foam is dipped in the aqueous solution containing cobaltosic oxide and carries out hydro-thermal process, the cobaltosic oxide solution
Concentration be 0.025g/L, hydrothermal temperature be 110 DEG C, the hydro-thermal time be 6h.
3) nickel foam after hydro-thermal reaction is dry, as working electrode, using potassium hydroxide be electrolyte survey CV and
GCD curve；
4) capacitive property is surveyed in the KOH solution of 2M to four cobalt oxide electrode materials of above-mentioned preparation, quality specific capacitance is 711
F/g。
Embodiment 3
1) nickel foam is taken, is dried in vacuo after being successively cleaned by ultrasonic with hydrochloric acid, acetone, deionized water and alcohol；
2) nickel foam is dipped in the aqueous solution containing cobaltosic oxide and carries out hydro-thermal process, the cobaltosic oxide solution
Concentration be 0.025g/L, hydrothermal temperature be 110 DEG C, the hydro-thermal time be 10h；
3) nickel foam after hydro-thermal reaction is dry, as working electrode, it is bent that CV and GCD is surveyed using potassium hydroxide as electrolyte
Line；
4) capacitive property is surveyed in the KOH solution of 2M to four cobalt oxide electrode materials of above-mentioned preparation, the capacitance curve knot measured
Fruit is as shown in Fig. 2, quality specific capacitance is 2460 F/g.
Embodiment 4
1) nickel foam is taken, is dried in vacuo after being successively cleaned by ultrasonic with hydrochloric acid, acetone, deionized water and alcohol；
2) nickel foam is dipped in the aqueous solution containing cobaltosic oxide and carries out hydro-thermal process, the cobaltosic oxide solution
Concentration be 0.025g/L, hydrothermal temperature be 110 DEG C, the hydro-thermal time be 12h；
3) nickel foam after hydro-thermal reaction is dry, as working electrode, it is bent that CV and GCD is surveyed using potassium hydroxide as electrolyte
Line；Attached drawing 1 is shown in using the cobaltosic oxide pattern in scanning electron microscope analysis nickel foam.It will be seen from figure 1 that four oxidations
The shape of three cobalts presentation nano flower；
4) capacitive property is surveyed in the KOH solution of 2M to four cobalt oxide electrode materials of above-mentioned preparation, the capacitance curve knot measured
Fruit is as shown in figure 3, quality specific capacitance is 4338 F/g.
Embodiment 5
1) nickel foam is taken, is dried in vacuo after being successively cleaned by ultrasonic with hydrochloric acid, acetone, deionized water and alcohol；
2) nickel foam is dipped in the aqueous solution containing cobaltosic oxide and carries out hydro-thermal process；The cobaltosic oxide solution
Concentration be 0.025g/L, hydrothermal temperature be 110 DEG C, the hydro-thermal time be 12h；
3) nickel foam after hydro-thermal reaction is dry, it is anode by nickel foam hydro-thermal cobaltosic oxide, is applied in nickel foam
Covering active carbon is cathode, and the capacitance curve measured when current density is 0.5A/g is shown in attached drawing 4, and adjustment positive and negative anodes mass ratio is 1:
8；
4) capacitive property is surveyed in the KOH solution of 2M to the asymmetric electrode material of above-mentioned preparation, quality specific capacitance is 76F/g,
Energy density is 27Wh/Kg, power density 2400W/Kg.
Embodiment 6
1) nickel foam is taken, is dried in vacuo after being successively cleaned by ultrasonic with hydrochloric acid, acetone, deionized water and alcohol；
2) nickel foam is dipped in the aqueous solution containing cobaltosic oxide and carries out hydro-thermal process；The cobaltosic oxide solution
Concentration be 0.025g/L, hydrothermal temperature be 110 DEG C, the hydro-thermal time be 12h；
3) nickel foam after hydro-thermal reaction is dry, it is anode by nickel foam hydro-thermal cobaltosic oxide, is applied in nickel foam
Covering active carbon is cathode, and adjustment positive and negative anodes mass ratio is 1:18；
4) capacitive property is surveyed in the KOH solution of 2M to the asymmetric electrode material of above-mentioned preparation, the capacitance curve result measured
As shown in figure 5, quality specific capacitance is 65.8 F/g, energy density 23.4Wh/Kg, power density 2666W/Kg.
Embodiment 7
1) nickel foam is taken, is dried in vacuo after being successively cleaned by ultrasonic with hydrochloric acid, acetone, deionized water and alcohol；
2) nickel foam is dipped in the aqueous solution containing cobaltosic oxide and carries out hydro-thermal process, the cobaltosic oxide solution
Concentration be 0.025g/L, hydrothermal temperature be 110 DEG C, the hydro-thermal time be 12h；
3) nickel foam after hydro-thermal reaction is dry, it is anode by nickel foam hydro-thermal cobaltosic oxide, is applied in nickel foam
Covering active carbon is cathode, and adjustment positive and negative anodes mass ratio is 1:26.
4) capacitive property is surveyed in the KOH solution of 2M to the asymmetric electrode material of above-mentioned preparation, quality specific capacitance is
79.7F/g, attached drawing 6 are the power density of asymmetric electrode and the change curve of energy density, and corresponding energy density is
28.3Wh/Kg, power density 2400W/Kg.
Claims (5)
1. a kind of cobaltosic oxide electrode and the preparation method with active carbon composition asymmetric electrode, it is characterised in that this method
Include the following steps:
Step 1: taking nickel foam, it is dried in vacuo after being successively cleaned by ultrasonic with hydrochloric acid, acetone, deionized water and alcohol；
Hydro-thermal process is carried out Step 2: being dipped to nickel foam after drying in the aqueous solution containing cobaltosic oxide, four oxidations three
The concentration of cobalt liquor is 0.025~0.15g/L, and hydrothermal temperature is 90~180 DEG C, and hydrothermal conditions are 2~12h；
Step 3: it is after hydro-thermal reaction that nickel foam is dry, as working electrode, super electricity is surveyed by electrolyte of potassium hydroxide
CV the and GCD curve of appearance, nickel foam hydro-thermal cobaltosic oxide are anode, and active carbon is coated in nickel foam and prepares cathode, is adjusted
Positive and negative anodes mass ratio is 1:8~26.
2. cobaltosic oxide electrode according to claim 1 and the preparation method with active carbon composition asymmetric electrode,
It is characterized by: the hydrothermal temperature of the hydro-thermal process is respectively 90 DEG C, 110 DEG C, 150 DEG C or 180 DEG C.
3. cobaltosic oxide electrode according to claim 1 and the preparation method with active carbon composition asymmetric electrode,
It is characterized by: the time of the hydro-thermal process is respectively 2h, 6h, 10h or 12h.
4. cobaltosic oxide electrode according to claim 1 and the preparation method with active carbon composition asymmetric electrode,
It is characterized by: the concentration of the cobaltosic oxide solution is respectively 0.025 g/L, 0.05 g/L, 0.1 g/L or 0.15g/L.
5. cobaltosic oxide electrode according to claim 1 and the preparation method with active carbon composition asymmetric electrode,
It is characterized by: the positive and negative anodes mass ratio adjusts separately as 1:8,1:18 or 1:26.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811621439.0A CN109659166A (en) | 2018-12-28 | 2018-12-28 | Cobaltosic oxide electrode and the preparation method that asymmetric electrode is formed with active carbon |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811621439.0A CN109659166A (en) | 2018-12-28 | 2018-12-28 | Cobaltosic oxide electrode and the preparation method that asymmetric electrode is formed with active carbon |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568833A (en) * | 2010-12-24 | 2012-07-11 | 同济大学 | Hybrid electrochemical capacitor with mesoporous cobaltosic oxide as positive pole |
| US20130171502A1 (en) * | 2011-12-29 | 2013-07-04 | Guorong Chen | Hybrid electrode and surface-mediated cell-based super-hybrid energy storage device containing same |
| US20160039680A1 (en) * | 2013-04-02 | 2016-02-11 | Israzion Ltd. | Process of converting textile or plastic solid waste into activated carbon |
| CN106531465A (en) * | 2016-12-13 | 2017-03-22 | 华南师范大学 | Cobaltosic oxide asymmetric super capacitor used for photovoltaic energy storage and preparation method |
-
2018
- 2018-12-28 CN CN201811621439.0A patent/CN109659166A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568833A (en) * | 2010-12-24 | 2012-07-11 | 同济大学 | Hybrid electrochemical capacitor with mesoporous cobaltosic oxide as positive pole |
| US20130171502A1 (en) * | 2011-12-29 | 2013-07-04 | Guorong Chen | Hybrid electrode and surface-mediated cell-based super-hybrid energy storage device containing same |
| US20160039680A1 (en) * | 2013-04-02 | 2016-02-11 | Israzion Ltd. | Process of converting textile or plastic solid waste into activated carbon |
| CN106531465A (en) * | 2016-12-13 | 2017-03-22 | 华南师范大学 | Cobaltosic oxide asymmetric super capacitor used for photovoltaic energy storage and preparation method |
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