CN109267047A - A kind of preparation method of the flexible cloth electrode based on nickel manganese hydroxide - Google Patents
A kind of preparation method of the flexible cloth electrode based on nickel manganese hydroxide Download PDFInfo
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- CN109267047A CN109267047A CN201811278008.9A CN201811278008A CN109267047A CN 109267047 A CN109267047 A CN 109267047A CN 201811278008 A CN201811278008 A CN 201811278008A CN 109267047 A CN109267047 A CN 109267047A
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- Prior art keywords
- cotton
- electrode
- nickel
- preparation
- deposition
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- 239000004744 fabric Substances 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- FXOOEXPVBUPUIL-UHFFFAOYSA-J manganese(2+);nickel(2+);tetrahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[Mn+2].[Ni+2] FXOOEXPVBUPUIL-UHFFFAOYSA-J 0.000 title claims abstract description 18
- 229920000742 Cotton Polymers 0.000 claims abstract description 64
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000007772 electrode material Substances 0.000 claims abstract description 37
- 239000000126 substance Substances 0.000 claims abstract description 36
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 27
- 229910000000 metal hydroxide Inorganic materials 0.000 claims abstract description 25
- 238000007747 plating Methods 0.000 claims abstract description 25
- 230000004913 activation Effects 0.000 claims abstract description 22
- 239000008367 deionised water Substances 0.000 claims abstract description 22
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 22
- 238000004070 electrodeposition Methods 0.000 claims abstract description 22
- 239000011259 mixed solution Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 18
- 238000000151 deposition Methods 0.000 claims abstract description 16
- 230000008021 deposition Effects 0.000 claims abstract description 16
- 229910003286 Ni-Mn Inorganic materials 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 10
- 238000005406 washing Methods 0.000 claims abstract description 8
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 claims abstract description 5
- 235000019270 ammonium chloride Nutrition 0.000 claims abstract description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims abstract description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 21
- 239000000243 solution Substances 0.000 claims description 21
- 239000011248 coating agent Substances 0.000 claims description 17
- 238000000576 coating method Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 15
- 206010070834 Sensitisation Diseases 0.000 claims description 14
- 230000008313 sensitization Effects 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 13
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 claims description 12
- 229910052697 platinum Inorganic materials 0.000 claims description 12
- 230000003213 activating effect Effects 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000004062 sedimentation Methods 0.000 claims description 9
- 230000001235 sensitizing effect Effects 0.000 claims description 9
- 229910021205 NaH2PO2 Inorganic materials 0.000 claims description 7
- 229910002666 PdCl2 Inorganic materials 0.000 claims description 7
- 239000008151 electrolyte solution Substances 0.000 claims description 7
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 claims description 7
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 239000001509 sodium citrate Substances 0.000 claims description 7
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims description 7
- 239000011572 manganese Substances 0.000 claims description 6
- 229910021626 Tin(II) chloride Inorganic materials 0.000 claims description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 2
- 241000080590 Niso Species 0.000 claims description 2
- 239000000908 ammonium hydroxide Substances 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 238000004313 potentiometry Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000003786 synthesis reaction Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 2
- ZAUUZASCMSWKGX-UHFFFAOYSA-N manganese nickel Chemical compound [Mn].[Ni] ZAUUZASCMSWKGX-UHFFFAOYSA-N 0.000 description 18
- 238000012360 testing method Methods 0.000 description 17
- 239000003792 electrolyte Substances 0.000 description 16
- 238000002484 cyclic voltammetry Methods 0.000 description 11
- 238000013019 agitation Methods 0.000 description 10
- 230000005611 electricity Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 229910021380 Manganese Chloride Inorganic materials 0.000 description 5
- 239000011565 manganese chloride Substances 0.000 description 5
- 150000004692 metal hydroxides Chemical class 0.000 description 5
- 238000011056 performance test Methods 0.000 description 5
- 238000013112 stability test Methods 0.000 description 5
- 238000010998 test method Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000004679 hydroxides Chemical class 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910021503 Cobalt(II) hydroxide Inorganic materials 0.000 description 1
- 241000446313 Lamella Species 0.000 description 1
- 206010054949 Metaplasia Diseases 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- ASKVAEGIVYSGNY-UHFFFAOYSA-L cobalt(ii) hydroxide Chemical compound [OH-].[OH-].[Co+2] ASKVAEGIVYSGNY-UHFFFAOYSA-L 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 239000002322 conducting polymer Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002659 electrodeposit Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 1
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
- C23C18/28—Sensitising or activating
- C23C18/285—Sensitising or activating with tin based compound or composition
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
- C23C18/28—Sensitising or activating
- C23C18/30—Activating or accelerating or sensitising with palladium or other noble metal
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
- C23C18/34—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents
- C23C18/36—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents using hypophosphites
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
- C23C28/322—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer only coatings of metal elements only
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D9/00—Electrolytic coating other than with metals
- C25D9/04—Electrolytic coating other than with metals with inorganic materials
-
- 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
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
A kind of preparation method of the flexible cloth electrode based on nickel manganese hydroxide, comprising the following steps: (1) by cotton sensitized treatment；(2) cotton is activated；(3) cotton after activation is subjected to chemical deposit processing；(4) constant pressure electro-deposition is carried out to nickel plating conduction cotton on electrochemical workstation；(5) nickel nitrate and protochloride manganese, ammonium chloride and deionized water are mixed, obtain mixed solution；(6) electrochemical deposition is carried out to it using chronoptentiometry to collector nickel plating conductive fabric, the flower-shaped Ni-Mn double-metal hydroxide electrode material that several two-dimentional lamellars are combined into is obtained after washing, drying.Preparation method synthesis path of the present invention is simple, raw material are easy to get, are at low cost, when electric deposition nickel manganese hydroxide is used for electrode material for super capacitor on nickel plating conductive fabric, specific capacitance height, good rate capability.
Description
Technical field
The present invention relates to a kind of preparation method of flexible cloth electrode, specifically a kind of double-metal hydroxide flexible electrode
Preparation method belongs to electrode material field.
Background technique
With the sharp increase of world population and the fast development of social economy, facing mankind energy crisis and ecological ring
The double challenge that border deteriorates.With the rapid development of science and technology, people require energy storage device that must possess biggish capacitance, have
Good cycle performance, and manufacturing cost is low, manufacturing process green non-pollution.These are that common batteries are unable to satisfy.It is super
Grade capacitor appears in the visual field of people as the new type of energy storage device to emerge.
It is electrode material that the most important factor of its chemical property is influenced in supercapacitor, its performance directly determines
The performance quality of supercapacitor, according to the physics and chemical property of active material on electrode material, electrode material can divide
It is three kinds: carbon-based material, transistion metal compound and conducting polymer.Layered double-hydroxide (Layered Double
Hydroxides, LDHs) also known as houghite compound or Layered compound, it is by two or more metal
The stratified material that hydroxides are constituted.Ionic species sum number purpose adjustability allows it between its layer structure and controllable synusia
Important position is seized of in the electrode material field of supercapacitor.In scientific research, the group of optimal metal cation is studied
It closes, in the different anion of Intercalation reaction, controls the growth tendency and pattern of material, develop the Material cladding with other advantages,
To optimize the chemical property of layered double-hydroxide, it is more suitable for electrode material for super capacitor.
Since pseudocapacitors come out, metal oxide, hydroxide is exactly the optimal selection of pseudocapacitors electrode material,
The valuableness of selection and there is the ruthenium-oxide (RuO of certain toxicity since most2) start to deliver develop to nowadays common nickel oxide,
Cobalt oxide, manganese oxide, manganese dioxide, nickel hydroxide, cobalt hydroxide.In addition, portable intelligent electronic device development is fast in recent years
Suddenly, the too busy to get away corresponding efficient flexible energy storage device of the development of electronic device, so, with carbon fiber, conductive gold layer category fabric
Cotton fabric/paper with CNT coating is that flexible capacitor made of substrate is come into being.But these matrixes involve great expense, market
Economic competition ability is weak, it is difficult to which invested in plant metaplasia produces.
It is one of the approach of chemical property for improving electrode material, lamella that preparing, which has the electrode material of high-specific surface area,
The electrode material of shape possesses biggish specific surface area, this means that the contact area of electrode material and electrolyte becomes larger, thus
The path for shortening electron-transport increases the efficiency of electronics transfer, improves the chemical property of material.But leading in the market
The manufacturing process flow of electric cloth material is complicated, and cost is relatively high, and the deposition liquid of physics silence is uneven, leads to last lead
It is electrically also inhomogenous.
Summary of the invention
In view of the above-mentioned problems of the prior art, the purpose of the present invention is to propose to a kind of based on the soft of nickel manganese hydroxide
Property cloth electrode preparation method to improve the preparation method of the electrode material of flexible electrode optimize cost so that electrode material
Pattern is optimised, meanwhile, the chemical property and electro-chemical activity of flexible cloth electrode material are improved, and simplify production stream
Journey improves preparation efficiency.
To achieve the above object, the technical solution adopted by the present invention is that: it is a kind of based on nickel manganese hydroxide flexible cloth electricity
The preparation method of pole, comprising the following steps:
(1) pure cotton cloth is cut to several small pieces of 1*2cm, cotton is immersed in sensitizing solution and carries out sensitized treatment；
(2) cotton at least three times, is then immersed in activating solution and is carried out by the cotton after cleaning sensitization with deionized water, cleaning
It is activated；
(3) then the cotton after activation is carried out chemical deposit processing, coating by the cotton after being washed with deionized water activation
Use ammonium hydroxide by the pH value adjustment of solution to 9-10 before processing；
(4) using nickel plating conduction cotton obtained by step (3) as cathode, using the Pt plate of 2*2cm as anode, NiSO4、NH4Cl is electricity
Electrolyte solution carries out constant pressure electro-deposition, deposition voltage 2V to nickel plating conduction cotton on electrochemical workstation, and sedimentation time is
8-10min；Nickel plating conductive fabric is just obtained after cleaning-drying processing；
(5) nickel nitrate and protochloride manganese, ammonium chloride and deionized water are mixed and are stirred by deposition liquid needed for preparing electro-deposition
It mixes, obtains mixed solution；
(6) mixed solution obtained by step (5) is placed in a beaker by starting electrochemical workstation, using collector as work electricity
Pole, platinum electrode be to electrode, saturated calomel electrode be reference electrode three-electrode system under collector nickel plating conductive fabric is used
Chronoptentiometry carries out electrochemical deposition to it, after reaction, Ni-Mn double-metal hydroxide electricity is obtained after washing, drying
Pole material.
Preferably, the sensitizing solution in step (1) includes SnCl2And a little Sn particle, wherein SnCl2With the substance of HCl
Amount is than being 1:10, and sensitization time is 10min.
Preferably, the activating solution in step (2) includes PdCl2And HCl, and activation time is 10min.
It preferably, include NiSO in the coating liquid that the chemical deposit in step (3) uses4、NH4Cl, sodium citrate and
NaH2PO2, and the chemical deposit time is 2h.
Preferably, nickel nitrate and protochloride manganese mass ratio are 0.9:1~1.5:1 in the mixed solution in step (5).
Preferably, the condition of the electrochemical deposition in step (6) are as follows: current density 8mA cm-2, sedimentation time 900S.
It is compared with existing technology, the preparation method of flexible cloth electrode provided by the invention is by a series of chemistry sides
The cotton of insulation is just processed to be nickel coating cotton by method.A kind of collection of the nickel plating conductive fabric as novel chemical mode synthesis
Fluid both has the satisfactory electrical conductivity of collector such as nickel screen, iron net nowadays generally used etc., also possesses bigger active matter
Matter loaded area, and the synthesis path of nickel coating cotton is simple, raw material are easy to get, are at low cost.Electrodeposition process preparation
It is short, high-efficient that sample possesses preparation time, laboratory apparatus, simple operation and other advantages, and the sedimentary that electro-deposition is formed is equal
It is even and smooth, it is often more important that the thickness of sedimentary is controllable.Electric deposition nickel manganese hydroxide is used on nickel plating conductive fabric
When electrode material for super capacitor, specific capacitance height, good rate capability.
Detailed description of the invention
Fig. 1 is nickel manganese double-metal hydroxide scanning electron microscope (SEM) photograph, wherein (a), (b), (c) are respectively to be in Ni:Mn ratio
The SEM for the nickel manganese double-metal hydroxide being prepared under conditions of 1:1,1:2,2:3 schemes；
Fig. 2 is obtained nickel manganese double-metal hydroxide electrochemical property test figure, wherein (a) figure is different proportion
The CV curve of nickel manganese double-metal hydroxide, (b) figure is the GCD curve of the nickel manganese double-metal hydroxide of different proportion.
Specific embodiment
Invention is further described in detail combined with specific embodiments below.
Embodiment 1:
A kind of preparation method of the flexible cloth electrode based on nickel manganese hydroxide, comprising the following steps:
(1) pure cotton cloth is cut to several small pieces of 1*2cm, it includes 0.01Mol SnCl that cotton, which is immersed,2、0.1Mol
Sensitized treatment, sensitization time 10min are carried out in the sensitizing solution of HCl and a little Sn particle；
(2) cotton after cleaning sensitization with deionized water, then immersing cotton includes 10 μ g/mL PdCl2With
It is activated in the activating solution of 0.018Mol HCl, activation time 10min；
(3) then the cotton after activation is carried out chemical deposit processing, coating by the cotton after being washed with deionized water activation
Liquid includes 0.0712Mol NiSO4、0.561Mol NH4Cl, 0.034Mol sodium citrate and 0.0283Mol NaH2PO2, coating
The processing time is 2h；
(4) using nickel plating conduction cotton obtained by step (3) as cathode, the Pt plate of 2*2cm is anode, with 0.15Mol NiSO4、
0.12Mol NH4Cl is that electrolyte solution carries out constant pressure electro-deposition to nickel plating conduction cotton on CHI660E electrochemical workstation,
Deposition voltage is 2V, sedimentation time 8-10min；
(5) 0.58g Ni (NO is weighed3)2With 0.38g MnCl2It is added in the deionized water of 100mL, carries out magnetic agitation
5min obtains mixed solution.
(6) 1.07gNH is weighed4Above-mentioned mixed solution is added in Cl, and magnetic agitation 5min obtains electrolyte.
(7) mixed solution obtained using step (6) is electrolyte, using clean nickel plating conductive fabric as working electrode, platinum electrode
For to electrode, saturated calomel electrode is reference electrode, constant current electrodeposit reaction is carried out under electrochemical workstation, conductive fabric
Area is 1*2cm2, current density is 8mA cm-2, electrodeposition time 900S.
After reaction, the three-dimensional flower-shaped nickel manganese being composed of many sheets pair is just obtained after supersound washing, drying
Metal hydroxides electrode material.
The nickel manganese double-metal hydroxide being prepared through this embodiment, shows the three-dimensional being combined by two-dimensional slice
Style shape space structure, the large specific surface area of the electrode material, style shape structure can be observed by scanning electron microscope (SEM) photograph.
Electrochemical property test method: simultaneously using the three-dimensional style Ni-Mn double-metal hydroxide material of preparation as electrode
Its chemical property is tested, the chemical property of working electrode tests completion in three-electrode system, and electrolyte is that 1M KOH is molten
Liquid is to electrode with platinized platinum, and with saturated calomel electrode (SCE) for reference electrode, this three-electrode system is connected to electrochemical operation
Stand upper (Shanghai Chen Hua, CHI660E), using cyclic voltammetry (CV), constant current charge-discharge (GCD) and electrochemical impedance (EIS)
The chemical property of technical testing electrode, cyclical stability test carry out on blue electric battery test system.
It can be obtained by above-mentioned Series Electrochemical performance test methods, material manufactured in the present embodiment is in 1A/g, than electricity
Holding is 554F/g；Cycle charge-discharge 2000 encloses, and quality specific capacitance is 470F/g, cycle efficieny 80%.
Embodiment 2:
A kind of preparation method of the flexible cloth electrode based on nickel manganese hydroxide, comprising the following steps:
(1) pure cotton cloth is cut to several small pieces of 1*2cm, it includes 0.01Mol SnCl that cotton, which is immersed,2、0.1Mol
Sensitized treatment, sensitization time 10min are carried out in the sensitizing solution of HCl and a little Sn particle；
(2) cotton after cleaning sensitization with deionized water, then immersing cotton includes 10 μ g/mL PdCl2With
It is activated in the activating solution of 0.018Mol HCl, activation time 10min；
(3) then the cotton after activation is carried out chemical deposit processing, coating by the cotton after being washed with deionized water activation
Liquid includes 0.0712Mol NiSO4、0.561Mol NH4Cl, 0.034Mol sodium citrate and 0.0283Mol NaH2PO2, coating
The processing time is 2h；
(4) using nickel plating conduction cotton obtained by step (3) as cathode, the Pt plate of 2*2cm is anode, with 0.15Mol NiSO4、
0.12Mol NH4Cl is that electrolyte solution carries out constant pressure electro-deposition to nickel plating conduction cotton on CHI660E electrochemical workstation,
Deposition voltage is 2V, sedimentation time 8-10min；
(5) 1.16g Ni (NO is weighed3)2With 1.14g MnCl2It is added in the deionized water of 100mL, carries out magnetic agitation
5min obtains mixed solution.
(6) 1.07gNH is weighed4Above-mentioned mixed solution is added in Cl, and magnetic agitation 5min obtains electrolyte.
(7) mixed solution obtained using step (6) is electrolyte, and using clean conductive fabric as working electrode, platinum electrode is pair
Electrode, saturated calomel electrode are reference electrode, and the reaction of constant current spot deposition, the area of conductive fabric are carried out under electrochemical workstation
For 1*2cm2, current density is 8mA cm-2, electrodeposition time 900S.
After reaction, the three-dimensional flower-shaped nickel manganese being composed of many sheets pair is just obtained after supersound washing, drying
Metal hydroxides electrode material.
The nickel manganese double-metal hydroxide being prepared through this embodiment, shows the three-dimensional being combined by two-dimensional slice
Style shape space structure, the large specific surface area of the electrode material, style shape structure can be observed by scanning electron microscope (SEM) photograph.
Electrochemical property test method: simultaneously using the three-dimensional style Ni-Mn double-metal hydroxide material of preparation as electrode
Its chemical property is tested, the chemical property of working electrode tests completion in three-electrode system, and electrolyte is that 1M KOH is molten
Liquid is to electrode with platinized platinum, and with saturated calomel electrode (SCE) for reference electrode, this three-electrode system is connected to electrochemical operation
Stand upper (Shanghai Chen Hua, CHI660E), using cyclic voltammetry (CV), constant current charge-discharge (GCD) and electrochemical impedance (EIS)
The chemical property of technical testing electrode, cyclical stability test carry out on blue electric battery test system.
It can be obtained by above-mentioned Series Electrochemical performance test methods, material manufactured in the present embodiment is in 1A/g, than electricity
Holding is 955F/g；Cycle charge-discharge 2000 encloses, and quality specific capacitance is 764F/g, cycle efficieny 85%.
Embodiment 3:
A kind of preparation method of the flexible cloth electrode based on nickel manganese hydroxide, comprising the following steps:
(1) pure cotton cloth is cut to several small pieces of 1*2cm, it includes 0.01Mol SnCl that cotton, which is immersed,2、0.1Mol
Sensitized treatment, sensitization time 10min are carried out in the sensitizing solution of HCl and a little Sn particle；
(2) cotton after cleaning sensitization with deionized water, then immersing cotton includes 10 μ g/mL PdCl2With
It is activated in the activating solution of 0.018Mol HCl, activation time 10min；
(3) then the cotton after activation is carried out chemical deposit processing, coating by the cotton after being washed with deionized water activation
Liquid includes 0.0712Mol NiSO4、0.561Mol NH4Cl, 0.034Mol sodium citrate and 0.0283Mol NaH2PO2, coating
The processing time is 2h；
(4) using nickel plating conduction cotton obtained by step (3) as cathode, the Pt plate of 2*2cm is anode, with 0.15Mol NiSO4、
0.12Mol NH4Cl is that electrolyte solution carries out constant pressure electro-deposition to nickel plating conduction cotton on CHI660E electrochemical workstation,
Deposition voltage is 2V, sedimentation time 8-10min；
(5) 0.58g Ni (NO is weighed3)2With 0.76g MnCl2It is added in the deionized water of 100mL, carries out magnetic agitation
5min obtains mixed solution.
(6) 1.07gNH is weighed4Above-mentioned mixed solution is added in Cl, and magnetic agitation 5min obtains electrolyte.
(7) mixed solution obtained using step (6) is electrolyte, and using clean conductive fabric as working electrode, platinum electrode is pair
Electrode, saturated calomel electrode are reference electrode, and the reaction of constant current spot deposition, the area of conductive fabric are carried out under electrochemical workstation
For 1*2cm2, current density is 8mA cm-2, electrodeposition time 900S.
After reaction, the three-dimensional flower-shaped nickel manganese being composed of many sheets pair is just obtained after supersound washing, drying
Metal hydroxides electrode material.
The nickel manganese double-metal hydroxide being prepared through this embodiment, shows the three-dimensional being combined by two-dimensional slice
Style shape space structure, the large specific surface area of the electrode material, style shape structure can be observed by scanning electron microscope (SEM) photograph.
Electrochemical property test method: simultaneously using the three-dimensional style Ni-Mn double-metal hydroxide material of preparation as electrode
Its chemical property is tested, the chemical property of working electrode tests completion in three-electrode system, and electrolyte is that 1M KOH is molten
Liquid is to electrode with platinized platinum, and with saturated calomel electrode (SCE) for reference electrode, this three-electrode system is connected to electrochemical operation
Stand upper (Shanghai Chen Hua, CHI660E), using cyclic voltammetry (CV), constant current charge-discharge (GCD) and electrochemical impedance (EIS)
The chemical property of technical testing electrode, cyclical stability test carry out on blue electric battery test system.
It can be obtained by above-mentioned Series Electrochemical performance test methods, material manufactured in the present embodiment is in 1A/g, than electricity
Holding is 447F/g；Cycle charge-discharge 2000 encloses, and quality specific capacitance is 366F/g, cycle efficieny 82%.
Embodiment 4:
A kind of preparation method of the flexible cloth electrode based on nickel manganese hydroxide, comprising the following steps:
(1) pure cotton cloth is cut to several small pieces of 1*2cm, it includes 0.01Mol SnCl that cotton, which is immersed,2、0.1Mol
Sensitized treatment, sensitization time 10min are carried out in the sensitizing solution of HCl and a little Sn particle；
(2) cotton after cleaning sensitization with deionized water, then immersing cotton includes 10 μ g/mL PdCl2With
It is activated in the activating solution of 0.018Mol HCl, activation time 10min；
(3) then the cotton after activation is carried out chemical deposit processing, coating by the cotton after being washed with deionized water activation
Liquid includes 0.0712Mol NiSO4、0.561Mol NH4Cl, 0.034Mol sodium citrate and 0.0283Mol NaH2PO2, coating
The processing time is 2h；
(4) using nickel plating conduction cotton obtained by step (3) as cathode, the Pt plate of 2*2cm is anode, with 0.15Mol NiSO4、
0.12Mol NH4Cl is that electrolyte solution carries out constant pressure electro-deposition to nickel plating conduction cotton on CHI660E electrochemical workstation,
Deposition voltage is 2V, sedimentation time 8-10min；
(5) 0.58g Ni (NO is weighed3)2With 0.38g MnCl2It is added in the deionized water of 100mL, carries out magnetic agitation
5min obtains mixed solution.
(6) 1.07gNH is weighed4Above-mentioned mixed solution is added in Cl, and magnetic agitation 5min obtains electrolyte.
(7) mixed solution obtained using step (6) is electrolyte, and using clean conductive fabric as working electrode, platinum electrode is pair
Electrode, saturated calomel electrode are reference electrode, and the reaction of constant current spot deposition, the area of conductive fabric are carried out under electrochemical workstation
For 1*2cm2, current density is 4mA cm-2, electrodeposition time 900S.
After reaction, the three-dimensional flower-shaped nickel manganese being composed of many sheets pair is just obtained after supersound washing, drying
Metal hydroxides electrode material.
The nickel manganese double-metal hydroxide being prepared through this embodiment, shows the three-dimensional being combined by two-dimensional slice
Style shape space structure, the large specific surface area of the electrode material, style shape structure can be observed by scanning electron microscope (SEM) photograph.
Electrochemical property test method: simultaneously using the three-dimensional style Ni-Mn double-metal hydroxide material of preparation as electrode
Its chemical property is tested, the chemical property of working electrode tests completion in three-electrode system, and electrolyte is that 1M KOH is molten
Liquid is to electrode with platinized platinum, and with saturated calomel electrode (SCE) for reference electrode, this three-electrode system is connected to electrochemical operation
Stand upper (Shanghai Chen Hua, CHI660E), using cyclic voltammetry (CV), constant current charge-discharge (GCD) and electrochemical impedance (EIS)
The chemical property of technical testing electrode, cyclical stability test carry out on blue electric battery test system.
It can be obtained by above-mentioned Series Electrochemical performance test methods, material manufactured in the present embodiment is in 1A/g, than electricity
Holding is 540F/g；Cycle charge-discharge 2000 encloses, and quality specific capacitance is 426F/g, cycle efficieny 79%.
Embodiment 5:
A kind of preparation method of the flexible cloth electrode based on nickel manganese hydroxide, comprising the following steps:
(1) pure cotton cloth is cut to several small pieces of 1*2cm, it includes 0.01Mol SnCl that cotton, which is immersed,2、0.1Mol
Sensitized treatment, sensitization time 10min are carried out in the sensitizing solution of HCl and a little Sn particle；
(2) cotton after cleaning sensitization with deionized water, then immersing cotton includes 10 μ g/mL PdCl2With
It is activated in the activating solution of 0.018Mol HCl, activation time 10min；
(3) then the cotton after activation is carried out chemical deposit processing, coating by the cotton after being washed with deionized water activation
Liquid includes 0.0712Mol NiSO4、0.561Mol NH4Cl, 0.034Mol sodium citrate and 0.0283Mol NaH2PO2, coating
The processing time is 2h；
(4) using nickel plating conduction cotton obtained by step (3) as cathode, the Pt plate of 2*2cm is anode, with 0.15Mol NiSO4、
0.12Mol NH4Cl is that electrolyte solution carries out constant pressure electro-deposition to nickel plating conduction cotton on CHI660E electrochemical workstation,
Deposition voltage is 2V, sedimentation time 8-10min；
(5) 0.58g Ni (NO is weighed3)2With 0.38g MnCl2It is added in the deionized water of 100mL, carries out magnetic agitation
5min obtains mixed solution.
(6) 1.07gNH is weighed4Above-mentioned mixed solution is added in Cl, and magnetic agitation 5min obtains electrolyte.
(7) mixed solution obtained using step (6) is electrolyte, and using clean conductive fabric as working electrode, platinum electrode is pair
Electrode, saturated calomel electrode are reference electrode, and the reaction of constant current spot deposition, the area of conductive fabric are carried out under electrochemical workstation
For 1*2cm2, current density is 8mA cm-2, electrodeposition time 1800S.
After reaction, the three-dimensional flower-shaped nickel manganese being composed of many sheets pair is just obtained after supersound washing, drying
Metal hydroxides electrode material.
The nickel manganese double-metal hydroxide being prepared through this embodiment, shows the three-dimensional being combined by two-dimensional slice
Style shape space structure, the large specific surface area of the electrode material, style shape structure can be observed by scanning electron microscope (SEM) photograph.
Electrochemical property test method: simultaneously using the three-dimensional style Ni-Mn double-metal hydroxide material of preparation as electrode
Its chemical property is tested, the chemical property of working electrode tests completion in three-electrode system, and electrolyte is that 1M KOH is molten
Liquid is to electrode with platinized platinum, and with saturated calomel electrode (SCE) for reference electrode, this three-electrode system is connected to electrochemical operation
Stand upper (Shanghai Chen Hua, CHI660e), using cyclic voltammetry (CV), constant current charge-discharge (GCD) and electrochemical impedance (EIS)
The chemical property of technical testing electrode, cyclical stability test carry out on blue electric battery test system.
It can be obtained by above-mentioned Series Electrochemical performance test methods, material manufactured in the present embodiment is in 1A/g, than electricity
Holding is 500F/g；Cycle charge-discharge 2000 encloses, and quality specific capacitance is 350F/g, cycle efficieny 70%.
In conclusion the pattern of prepared electrode material is as shown in Figure 1, wherein (a) figure is the SEM that Ni:Mn ratio is 1:1
Figure, the round-like structure that structure as shown in the figure is made of two-dimensional nano piece layered double hydroxide；(b) figure is Ni:Mn
The SEM that ratio is 1:2 schemes, and frame sheet shape double-metal hydroxide as shown in the figure forms the biggish frustum cone structure in gap；(c) figure
The SEM figure for being 2:3 for Ni:Mn ratio, the flower that structure as shown in the figure is made of two-dimensional nano piece layered double hydroxide
Shape structure.Compare and obtain by analysis: the specific surface area of the resulting electrode material of (c) figure is bigger, so there is superior electricity
Chemical property.
In Fig. 2, (a) figure describes cyclic voltammetry (cv) figure of the electrode material under different nickel manganese ratios,
The electrode material potential window is in 0~0.7V or so, it is shown that the wider potential window of electrode material.Every CV curve is ok
Observe a pair of apparent redox peaks, this illustrates the capacitor main source of electrode material from the oxidation of nickel manganese double-hydroxide
The fake capacitance generated in reduction process.Oxidation peak and reduction peak are all symmetrical about 0.4V, illustrate that electrode material has and well may be used
Inverse property.As sweep speed is continuously increased, CV curve still has obvious redox peaks, and it is preferable to illustrate that material has
High rate performance.The area of CV curve represents the size of the specific capacitance of this kind of material, can be clearly seen that come from (a) figure
When Ni-Mn ratio is 2:3, specific capacitance is the largest in three kinds of ratios；(b) figure is the electrode material under different nickel manganese ratios
Constant current charge-discharge test chart, charging curve and discharge curve all have certain symmetry, this illustrates that electrode material has very well
Stability and high reversible.Each charging and discharging curve has a pair of of platform, this corresponds to the redox in CV curve
React the position where peak.In the case where current density is as potential window, the discharge time of GCD curve is longer, then this
A material has higher specific capacitance.When from (b) figure it is also seen that carry out Ni-Mn ratio be 2:3, when the electric discharge of GCD curve
Between longest, specific capacitance is the largest in three kinds of ratios.
Claims (6)
1. a kind of preparation method of the flexible cloth electrode based on nickel manganese hydroxide, which comprises the following steps:
(1) pure cotton cloth is cut to several small pieces of 1*2cm, cotton is immersed in sensitizing solution and carries out sensitized treatment；
(2) cotton at least three times, is then immersed in activating solution and is activated by the cotton after cleaning sensitization with deionized water, cleaning
Processing；
(3) then the cotton after activation is carried out chemical deposit processing, coating processing by the cotton after being washed with deionized water activation
It is preceding using ammonium hydroxide by the pH value adjustment of solution to 9-10；
(4) using nickel plating conduction cotton obtained by step (3) as cathode, using the Pt plate of 2*2cm as anode, NiSO4、NH4Cl is electrolyte
Solution carries out constant pressure electro-deposition, deposition voltage 2V, sedimentation time 8- to nickel plating conduction cotton on electrochemical workstation
10min；Nickel plating conductive fabric is just obtained after cleaning-drying processing；
(5) nickel nitrate and protochloride manganese, ammonium chloride and deionized water are mixed, obtain by deposition liquid needed for preparing electro-deposition
To mixed solution；
(6) mixed solution obtained by step (5) is placed in a beaker by starting electrochemical workstation, using collector as working electrode,
Platinum electrode be to electrode, saturated calomel electrode be reference electrode three-electrode system under timing is used to collector nickel plating conductive fabric
Potentiometry carries out electrochemical deposition to it, after reaction, obtains Ni-Mn double-metal hydroxide electrode material after washing, drying
Material.
2. a kind of preparation method of flexible cloth electrode based on nickel manganese hydroxide according to claim 1, feature exist
In the sensitizing solution in step (1) includes SnCl2And a little Sn particle, wherein SnCl2The mass ratio of the material with HCl is 1:10, and
And sensitization time is 10min.
3. a kind of preparation method of flexible cloth electrode based on nickel manganese hydroxide according to claim 2, feature exist
In the activating solution in step (2) includes PdCl2And HCl, and activation time is 10min.
4. a kind of preparation method of flexible cloth electrode based on nickel manganese hydroxide according to claim 1 or 2, feature
It is, includes NiSO in the coating liquid that the chemical deposit in step (3) uses4、NH4Cl, sodium citrate and NaH2PO2, and chemistry
Plating time is 2h.
5. a kind of preparation method of flexible cloth electrode based on nickel manganese hydroxide according to claim 1 or 2, feature
It is, nickel nitrate and protochloride manganese mass ratio are 0.9:1~1.5:1 in the mixed solution in step (5).
6. a kind of preparation method of flexible cloth electrode based on nickel manganese hydroxide according to claim 1 or 2, feature
It is, the condition of the electrochemical deposition in step (6) are as follows: current density 8mA cm-2, sedimentation time 900S.
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| CN110189924A (en) * | 2019-05-23 | 2019-08-30 | 潍坊学院 | A kind of preparation method of threadiness Co-Mn double-metal hydroxide electrode material |
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| CN112768653A (en) * | 2021-01-08 | 2021-05-07 | 天津工业大学 | Preparation method and application of flexible nickel-cobalt double hydroxide/metal organic frame/fabric electrode |
| CN116199277A (en) * | 2023-04-28 | 2023-06-02 | 江苏正力新能电池技术有限公司 | Manganese-nickel bimetallic compound and preparation and application thereof |
| CN116199277B (en) * | 2023-04-28 | 2023-08-11 | 江苏正力新能电池技术有限公司 | Manganese-nickel bimetallic compound and preparation and application thereof |
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