CN105632788A - Supercapacitor with active material BaCoF4 working electrode and preparation method for supercapacitor - Google Patents
Supercapacitor with active material BaCoF4 working electrode and preparation method for supercapacitor Download PDFInfo
- Publication number
- CN105632788A CN105632788A CN201610112671.6A CN201610112671A CN105632788A CN 105632788 A CN105632788 A CN 105632788A CN 201610112671 A CN201610112671 A CN 201610112671A CN 105632788 A CN105632788 A CN 105632788A
- Authority
- CN
- China
- Prior art keywords
- electrode
- bacof
- working electrode
- supercapacitor
- super capacitor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910021631 Barium tetrafluorocobaltate Inorganic materials 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000011149 active material Substances 0.000 title claims abstract description 9
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims abstract description 11
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 claims abstract description 8
- 239000003792 electrolyte Substances 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 3
- 229910052751 metal Inorganic materials 0.000 claims abstract description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 22
- 239000003990 capacitor Substances 0.000 claims description 21
- 239000006260 foam Substances 0.000 claims description 11
- 229910052759 nickel Inorganic materials 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 239000002033 PVDF binder Substances 0.000 claims description 7
- 239000006230 acetylene black Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 7
- 238000007596 consolidation process Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000004615 ingredient Substances 0.000 abstract 1
- 239000007772 electrode material Substances 0.000 description 6
- 238000004146 energy storage Methods 0.000 description 6
- 239000013543 active substance Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000003575 carbonaceous material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- -1 after dry Substances 0.000 description 1
- 238000007743 anodising Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002484 cyclic voltammetry Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010248 power generation 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
Abstract
The invention discloses a supercapacitor with an active material BaCoF4 working electrode and a preparation method for the supercapacitor. Fluoride-coated BaCoF4 is taken as the working electrode; a counter electrode adopts metal Pt; a reference electrode adopts saturated calomel; an electrolyte adopts a 6mol/ml KOH solution; and the ingredients form a standard three-electrode structured Faraday supercapacitor. When the current density is 2A/g, the specific capacity can reach 350F/g, and high circulation is realized; the preparation process has simple required equipment, easily available raw materials, high controllability and high stability; and the supercapacitor is expected to be applied to the fields of electric vehicle, consumer electronics and the like.
Description
Technical field
The present invention relates to the application of a kind of novel super capacitor electrode active substance, belong to the technical field of chemical energy storage power material, be expected to be applied to the numerous areas such as electric automobile, consumer electronics.
Background note
Along with living standard improves day by day, global car owning amount will increase substantially. And the energy of automobile is mainly to consume gasoline and diesel oil, by car exhaust gas CO2The atmospheric pollution caused is quite serious, as caused greenhouse gases. All these have become the pollution problem that national governments face and must solve. For this, the exploitation new power of future automobile has become the urgent task of various countries' auto industry. In recent years, the fast development in the fields such as electric automobile, solar energy/wind power generation, Aero-Space and portable electronic equipment, there is the chemical energy storage power supply of big power density and high energy density in the urgent need to exploitation simultaneously. It is known that ultracapacitor has had both the advantage that energy density is big and power density is big. It is expected to be applied to the numerous areas such as electric automobile, consumer electronics. It is said that in general, ultracapacitor is according to its energy storage mechnism, it is divided into electric double layer capacitance and faraday's electric capacity two class. Wherein, faraday's electric capacity is more concerned because its energy density is high.
Summary of the invention
Technical problem: it is an object of the invention to provide a kind of with fluoride BaCoF4Super capacitor as working electrode active material and preparation method thereof, this super capacitor preparation process equipment needed thereby is simple, and raw material is easy to get, and controllability is good, and the energy storage effect that this material is good may be used for the numerous areas such as electric automobile, consumer electronics.
Technical scheme: the present invention is a kind of active material BaCoF4Super capacitor of working electrode and preparation method thereof, uses and scribbles fluoride BaCoF4As working electrode, being Pt metal to electrode, reference electrode is saturated calomel, and electrolyte is the KOH solution of 6mol/ml, is built into faraday's super capacitor of the three-electrode structure of standard.
Described working electrode scribbles fluoride BaCoF4, it is by BaCoF4The BaCoF that powder coating is suppressed on nickel foam thin slice4Electrode.
The active material BaCoF of the present invention4The preparation method of the super capacitor of working electrode is as follows:
A. by BaCoF4, acetylene black, Kynoar PVDF mixes according to the quality proportioning of 8: 1: 1, is attached in nickel foam by the mode of coating, dries and is coated with BaCoF afterwards4, acetylene black, the foam nickel sheet of Kynoar PVDF rolls consolidation, and at the temperature of 50 DEG C, dry 24h, makes BaCoF4Electrode;
B. by above-mentioned BaCoF4Electrode vertically suspends in the KOH solution putting into 6mol/ml, as the working electrode of super capacitor; Simultaneously with two other electrode: the faraday's super capacitor to the three-electrode structure being built into standard together with electrode Pt, saturated calomel electrode.
Beneficial effect: the invention provides with fluoride BaCoF4As the preparation method of the super capacitor of working electrode active material, BaCoF4Preparation process equipment needed thereby is simple, and raw material is easy to get, and controllability is good, and the energy storage effect that this material is good may be used for the numerous areas such as electric automobile, consumer electronics. Suitably adjust the specific surface area of different electrolyte and fluoride, it is possible to obtain better energy storage function.
Accompanying drawing explanation
Fig. 1 is as electric current density 2A/g, can reach 350F/g than electric capacity, improve constantly electric current density, still can keep higher ratio electric capacity.
Detailed description of the invention
Electrode of super capacitor active material widely studied at present is mainly carbon-based material, coloured binary metal oxide etc. The present invention is a kind of with fluoride BaCoF4Super capacitor as working electrode active material and preparation method thereof, we propose to use fluoride BaCoF first4As electrode active material, building faraday's electric capacity of the three-electrode structure of standard, to electrode Pt, saturated calomel is as reference electrode, BaCoF4The BaCoF that powder coating is suppressed on nickel foam thin slice4Working electrode, electrolyte is the KOH solution of 6mol/ml.
The present invention is a kind of with fluoride BaCoF4Super capacitor as working electrode active material and preparation method thereof is as follows:
A. by BaCoF4, acetylene black, Kynoar PVDF mixes according to the quality proportioning of 8: 1: 1, is attached in nickel foam by the mode of coating, dries and is coated with BaCoF afterwards4, acetylene black, the foam nickel sheet of Kynoar PVDF rolls consolidation, dry at the temperature of 50 DEG C, makes BaCoF4Electrode;
B. by above-mentioned with BaCoF4For the working electrode of active substance, electrode Pt, the saturated calomel of reference electrode are vertically put in the KOH solution of 6mol/ml, be built into faraday's super capacitor of standard three-electrode structure.
Utilizing chem workstation to measure charge-discharge performance, result display cycle performance of battery is good, tests with the constant current of 5A/g and follows discharge and recharge, the initial discharge magnitude of voltage that still can remain stable for after 2000 cycles; As electric current density 2A/g, this electric capacity can reach 350F/g, improves constantly electric current density, still can keep higher ratio electric capacity. Compared with carbon-based material, by BaCoF4Experiment gained capacitance is significantly improved.
Manufacturing process:
a.BaCoF4It is a kind of novel active substance, as the electrode active material of super capacitor. BaCoF4, acetylene black, Kynoar (PVDF), according to the quality proportioning of 8: 1: 1, is attached in nickel foam by the mode of coating, after dry, foam nickel sheet is rolled consolidation, continues 50 DEG C of dry for one day.
B. above-mentioned electrode is vertically put in the KOH solution of 6mol/ml, add two other electrode Pt and saturated calomel composition three-electrode system, test battery performance with cyclic voltammetry and constant current anodizing process.
Cycle performance is good, tests with the constant current of 5A/g and follows discharge and recharge, the initial discharge magnitude of voltage that still can remain stable for after 2000 cycles.
As electric current density 2A/g, 350F/g can be reached than electric capacity, improve constantly electric current density, still can keep higher ratio electric capacity.
Claims (3)
1. an active material BaCoF4The super capacitor of working electrode, it is characterised in that use and scribble fluoride BaCoF4As working electrode, being Pt metal to electrode, reference electrode is saturated calomel, and electrolyte is the KOH solution of 6mol/ml, is built into faraday's super capacitor of the three-electrode structure of standard.
2. active material BaCoF according to claim 14The super capacitor of working electrode, it is characterised in that described working electrode scribbles fluoride BaCoF4, it is by BaCoF4The BaCoF that powder coating is suppressed on nickel foam thin slice4Electrode.
3. an active material BaCoF as claimed in claim 1 or 24The preparation method of the super capacitor of working electrode, its spy is in that this preparation method is as follows:
A. by BaCoF4, acetylene black, Kynoar PVDF mixes according to the quality proportioning of 8: 1: 1, is attached in nickel foam by the mode of coating, dries and is coated with BaCoF afterwards4, acetylene black, the foam nickel sheet of Kynoar PVDF rolls consolidation, and at the temperature of 50 DEG C, dry 24h, makes BaCoF4Electrode;
B. by above-mentioned BaCoF4One end of electrode is vertically put in the KOH solution of 6mol/ml, and the other end draws a working electrode as super capacitor; Simultaneously with two other electrode: the faraday's super capacitor to the three-electrode structure being built into standard together with electrode Pt, saturated calomel electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610112671.6A CN105632788B (en) | 2016-02-29 | 2016-02-29 | Active material BaCoF4Super capacitor of working electrode and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610112671.6A CN105632788B (en) | 2016-02-29 | 2016-02-29 | Active material BaCoF4Super capacitor of working electrode and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105632788A true CN105632788A (en) | 2016-06-01 |
| CN105632788B CN105632788B (en) | 2017-09-19 |
Family
ID=56047602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610112671.6A Expired - Fee Related CN105632788B (en) | 2016-02-29 | 2016-02-29 | Active material BaCoF4Super capacitor of working electrode and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105632788B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910190A (en) * | 2017-11-07 | 2018-04-13 | 东南大学 | Active material KCoF3The super capacitor and preparation method of working electrode |
| CN108996555A (en) * | 2018-08-02 | 2018-12-14 | 云南大学 | A kind of double hydro-thermal methods prepare fluorine cobalt barium (Ba2Co3F10) rod-shpaed particle preparation method |
| CN109095513A (en) * | 2018-08-02 | 2018-12-28 | 云南大学 | A kind of two one-step hydrothermals growth in situ Ba in nickel foam2Co3F10The method of crystal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013214679A (en) * | 2012-04-04 | 2013-10-17 | Samsung R&D Institute Japan Co Ltd | Electric double-layer capacitor, porous electrode, and electric double-layer capacitor manufacturing method |
| US20130337319A1 (en) * | 2012-06-13 | 2013-12-19 | 24M Technologies, Inc. | Electrochemical slurry compositions and methods for preparing the same |
| JP2014078593A (en) * | 2012-10-10 | 2014-05-01 | Samsung R&D Institute Japan Co Ltd | Electric double layer capacitor, and porous electrode |
| CN104538206A (en) * | 2014-12-12 | 2015-04-22 | 南京工业大学 | Application of perovskite oxide in super capacitor |
| WO2015108486A1 (en) * | 2014-01-14 | 2015-07-23 | Nanyang Technological University | Nanocomposite, electrode containing the nanocomposite, and method of making the nanocomposite |
-
2016
- 2016-02-29 CN CN201610112671.6A patent/CN105632788B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013214679A (en) * | 2012-04-04 | 2013-10-17 | Samsung R&D Institute Japan Co Ltd | Electric double-layer capacitor, porous electrode, and electric double-layer capacitor manufacturing method |
| US20130337319A1 (en) * | 2012-06-13 | 2013-12-19 | 24M Technologies, Inc. | Electrochemical slurry compositions and methods for preparing the same |
| JP2014078593A (en) * | 2012-10-10 | 2014-05-01 | Samsung R&D Institute Japan Co Ltd | Electric double layer capacitor, and porous electrode |
| WO2015108486A1 (en) * | 2014-01-14 | 2015-07-23 | Nanyang Technological University | Nanocomposite, electrode containing the nanocomposite, and method of making the nanocomposite |
| CN104538206A (en) * | 2014-12-12 | 2015-04-22 | 南京工业大学 | Application of perovskite oxide in super capacitor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910190A (en) * | 2017-11-07 | 2018-04-13 | 东南大学 | Active material KCoF3The super capacitor and preparation method of working electrode |
| CN108996555A (en) * | 2018-08-02 | 2018-12-14 | 云南大学 | A kind of double hydro-thermal methods prepare fluorine cobalt barium (Ba2Co3F10) rod-shpaed particle preparation method |
| CN109095513A (en) * | 2018-08-02 | 2018-12-28 | 云南大学 | A kind of two one-step hydrothermals growth in situ Ba in nickel foam2Co3F10The method of crystal |
| CN108996555B (en) * | 2018-08-02 | 2020-11-24 | 云南大学 | Method for preparing barium fluorocobalide (Ba2Co3F10) rod-shaped particles by double hydrothermal method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105632788B (en) | 2017-09-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ma et al. | High performance solid-state supercapacitor with PVA–KOH–K3 [Fe (CN) 6] gel polymer as electrolyte and separator | |
| Han et al. | High energy density sodium-ion capacitors through co-intercalation mechanism in diglyme-based electrolyte system | |
| Liu et al. | Carbon nanosphere@ vanadium nitride electrode materials derived from metal-organic nanospheres self-assembled by NH4VO3, chitosan, and amphiphilic block copolymer | |
| Li et al. | Investigation of polyaniline co-doped with Zn2+ and H+ as the electrode material for electrochemical supercapacitors | |
| CN103545116A (en) | Foamed nickel-nanometer eight-vulcanization and nine-cobalt composite material, preparation method for same and super-capacitor electrode | |
| CN102468057B (en) | Preparation method for composite electrode material composed of graphite and manganese dioxide | |
| Shi et al. | Low cost and flexible mesh-based supercapacitors for promising large-area flexible/wearable energy storage | |
| CN104857976A (en) | Three-dimensional molybdenum disulfide nanoflower-graphene composite material and application thereof | |
| CN102800432A (en) | Method for preparing oxidized graphene/conductive polypyrrole nano wire composite material | |
| CN102915844B (en) | A kind of method and application thereof preparing the hierarchical composite material of carbon plate/manganese dioxide nano-plates | |
| Hassan et al. | Capacitive behavior of manganese dioxide/stainless steel electrodes at different deposition currents | |
| CN105374575A (en) | Method for preparing surface-functionalized porous carbon super capacitor electrode material | |
| CN103337374B (en) | Electrode for super capacitor sheet and preparation method thereof | |
| CN107331537A (en) | A kind of preparation method and application of three-dimensional grapheme/graphite-phase nitrogen carbide | |
| CN105632788B (en) | Active material BaCoF4Super capacitor of working electrode and preparation method thereof | |
| CN102856080B (en) | A kind of super capacitor material based on nano porous metal conducting polymer and preparation method thereof | |
| Wei et al. | Asymmetric supercapacitor for sensitive elastic-electrochemical stress sensor | |
| Wu et al. | Supercapacitive behaviors of the nitrogen-enriched activated mesocarbon microbead in aqueous electrolytes | |
| CN105036130A (en) | Method for preparing activated carbon materials for super capacitor by using elm seeds as raw materials | |
| CN103887076A (en) | Water system asymmetric super capacitor and preparation method thereof | |
| Feng et al. | Three-dimensional microporous polypyrrole/polysulfone composite film electrode for supercapacitance performance | |
| CN103280339A (en) | Method for preparing cerium oxide electrode of supercapacitor | |
| LI et al. | Preparation and supercapacitive performance of N, S co-doped activated carbon materials | |
| Wang et al. | Electrochemical performance of Fe x Mn 1− x-based metal–organic frameworks as electrode materials for supercapacitors | |
| CN106356196A (en) | Manganese dioxide/carbon paper composite electrode material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170919 |