CN110517899A - Preparation method based on Ni-Co layered double-hydroxide derived from MOF - Google Patents
Preparation method based on Ni-Co layered double-hydroxide derived from MOF Download PDFInfo
- Publication number
- CN110517899A CN110517899A CN201910755893.3A CN201910755893A CN110517899A CN 110517899 A CN110517899 A CN 110517899A CN 201910755893 A CN201910755893 A CN 201910755893A CN 110517899 A CN110517899 A CN 110517899A
- Authority
- CN
- China
- Prior art keywords
- mof
- ldh
- electrode material
- preparation
- electrode
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/006—Compounds containing, besides nickel, two or more other elements, with the exception of oxygen or hydrogen
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/24—Electrodes characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosity; characterised by the structural features of powders or particles used therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
- H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Abstract
This patent is related to the preparation method based on Ni-Co LDH electrode material derived from MOF, for the product morphology in 1 attached drawing 2 of embodiment, resulting Ni-Co LDH electrode material is the three-dimensional porous structure that there are many nanometer sheets to constitute, the nanometer sheet thickness for constituting three-dimensional porous structure is 150-200 nm, Electrochemical results show that in current density be 1 Ag‑1When, specific capacitance of single electrode reaches 1872 Fg‑1, when current density increases to 16 Ag‑1When, the conservation rate of specific capacity is 88%.
Description
Technical field
The invention belongs to ultracapacitor device technical fields, and in particular to based on the double hydrogen-oxygens of Ni-Co stratiform derived from MOF
The preparation method of compound.
Background technique
Supercapacitor can most determine supercapacitor capacitive character mainly by diaphragm, electrode material and electrolyte composition
Energy is exactly electrode material, and therefore, the research and development of active electrode material become the emphasis studied and applied for SCs, in general,
Electrode material for SCs includes Carbon Materials, metal oxide, metal hydroxides and conducting polymer etc..Carbon Materials electricity
The electric double layer storage energy (electric double layer capacitance) that pole is formed by the interface of electrolyte and electrode；Metal oxide, metallic hydrogen
The redox reaction that oxide and conducting polymer materials electrode then pass through Rapid reversible obtains faraday's capacitor (fake capacitance),
This faraday's capacitor is typically much deeper than the electric double layer capacitance of Carbon Materials acquisition.Wherein, in metal hydroxides, the double hydrogen-oxygens of stratiform
Compound can provide bigger serface, either high redox active reaction sites due to its layer structure to improve the counterfeit electricity of faraday
Hold.
Application No. is 201811337880.6 Chinese invention patents to disclose a kind of cotton calcining self-control carbon cloth load
The preparation method of MOF-LDH mixing array electrode material for super capacitor, specifically discloses and utilizes cobalt nitrate and aqueous solution of urea
It carries out hydro-thermal reaction to prepare nano-wire array and prepare MOF array with nano-wire array to sacrifice template, be synthesized then at room temperature
The method of MOF-LDH；Application No. is 201810841975.5 Chinese invention patents to disclose a kind of vulcanization Ni-Co-Al LDH
The preparation method of electrode composite material specifically discloses and is modified Ni-Co-Al LDH substrate in nickel foam with the method for electro-deposition
On electrode, then nickel foam is added in the aqueous solution containing thioacetamide and carries out heating reaction preparation vulcanization Ni-Co-Al LDH
Electrode composite material.The purpose of above-mentioned patent is all to improve the specific capacity of LDH material, but preparation method is complicated, and product compares table
The defects of area is limited is still the key for limiting high performance electrode material and further applying.
Due to porosity characteristic and stable structure, specific surface area with higher is metal-organic framework materials (MOF)
It is derivatized to various metal oxides or the ideal of hydroxide porous active material sacrifices template, while MOF is used for super electricity
Container can provide reaction site abundant and short ion diffusion path, to improve electrode performance.The chemical combination derived from MOF
In object, have porosity high based on layered double-hydroxide derived from MOF, the big feature of surface area can be electronics and ion
It provides and good transports environment；In addition, NiCo-LDH three-dimensional porous structure is made of many small nanometer sheets, be conducive to from
Son enters electrode surface, is effectively shortened ion diffusion path, reduces the resistance of ion transport.Utilize the nanometer sheet of MOF
Array structure introduces the high electrochemical performance that LDH realizes electrode material.
Summary of the invention
The present invention first by the derivative Co-MOF of MOF, then with Ni (NO3)2·6H2O is led in ethanol by hydrothermal synthesis method
It crosses ion exchange and double-metal hydroxide array that etching reaction obtains, and is applied to electrode material for super capacitor, provide
It is a kind of with high specific capacity and the preparation method of the electrode material for super capacitor of excellent multiplying power property.
In order to solve the above technical problems, the present invention adopts the following technical scheme that:
Preparation method based on the Ni-Co LDH material electrode of super capacitor as derived from MOF of the invention, first in flexible base
A room temperature step in situ generates (in order to distinguish existing patent) Co-MOF nano-chip arrays on the carbon cloth of bottom, then passes through hydrothermal synthesis method
Ni-Co LDH material is obtained by ion exchange and etching reaction in ethanol solution.Specifically comprise the following steps:
(1) by the Co (NO of 50 mmol3)2·6H2O, the C of 0.4 mol4H6N2, it is dissolved in 40 mL distilled water, sufficiently dissolves respectively
After mixing, carbon cloth is placed in solution in 60o, 4 h is reacted at room temperature, obtains CC/Co-MOF after washing and drying.
(2) CC/Co-MOF electrode is immersed into the Ni (NO containing 30-40 mL ethyl alcohol and 0.07-0.09 mmol3)2·6H2O
Mixed solution in, be then transferred to the autoclave of 50 mL.After reacting 2-3 h at 120-150 DEG C, with water and ethyl alcohol
Sufficiently cleaning, 60 DEG C of dryings.Obtain classifying porous nano-chip arrays CC/Ni-Co LDH.
Resulting Co-MOF material is the well-regulated two-dimensional sheet form of tool, smooth surface, thus it can be used as it is excellent
Different function precursor, and be uniformly securely grown on carbon fiber.Ni-Co LDH material is by the Co in Co-MOF2+ / Co3+With
Ni2+Co-precipitation obtains, the three-dimensional porous structure that there are Ni-Co LDH many nanometer sheets to constitute, nanometer sheet with a thickness of 150-
200 nm, Electrochemical results show that in current density be 1 Ag-1When, specific capacitance of single electrode reaches 1872 Fg-1,
When current density increases to 16 Ag-1When, the conservation rate of specific capacity is 88%.
Detailed description of the invention
Fig. 1 is Ni-Co LDH material XRD curve prepared in embodiment 1.
Fig. 2 is Ni-Co LDH scanning of materials electromicroscopic photograph prepared in embodiment 1.
Fig. 3 is Co-MOF array scanning electromicroscopic photograph prepared in embodiment 1.
Fig. 4 is the cyclic voltammetry curve of Ni-Co LDH material prepared in embodiment 1.
Fig. 5 is the charging and discharging curve of Ni-Co LDH material prepared in embodiment 1.
Specific embodiment
Technical solution of the present invention and effect are further described below with reference to embodiment.But it is used specific
Method, formula and explanation are not limitation of the present invention.
Embodiment 1: CC/Co-MOF electrode is immersed into the Ni (NO containing 30 mL ethanol solutions and 0.07 mmol3)2·
6H2In O, it is then transferred in the autoclave of 50 mL.After reacting 2 h at 120 DEG C, sufficiently cleaned with water and ethyl alcohol,
60 DEG C of dryings.Obtain CC/Ni-Co LDH.
Embodiment 2: CC/Co-MOF electrode is immersed into the Ni (NO containing 40 mL ethanol solutions and 0.09 mmol3)2·
6H2In O, it is then transferred in the autoclave of 50 mL.After reacting 2 h at 120 DEG C, sufficiently cleaned with water and ethyl alcohol,
60 DEG C of dryings.Obtain CC/Ni-Co LDH.
Embodiment 3: CC/Co-MOF electrode is immersed into the Ni (NO containing 30 mL ethanol solutions and 0.07 mmol3)2·
6H2In O, it is then transferred in the autoclave of 50 mL.After reacting 2 h at 130 DEG C, sufficiently cleaned with water and ethyl alcohol,
60 DEG C of dryings.Obtain CC/Ni-Co LDH.
Embodiment 4: CC/Co-MOF electrode is immersed into the Ni (NO containing 30 mL ethanol solutions and 0.07 mmol3)2·
6H2In O, it is then transferred in the autoclave of 50 mL.After reacting 2 h at 140 DEG C, sufficiently cleaned with water and ethyl alcohol,
60 DEG C of dryings.Obtain CC/Ni-Co LDH.
Embodiment 5: CC/Co-MOF electrode is immersed into the Ni (NO containing 30 mL ethanol solutions and 0.07 mmol3)2·
6H2In O, it is then transferred in the autoclave of 50 mL.After reacting 3 h at 120 DEG C, sufficiently cleaned with water and ethyl alcohol,
60 DEG C of dryings.Obtain CC/Ni-Co LDH.
Claims (2)
1. one kind is based on Ni-Co LDH material derived from MOF, which is characterized in that the electrode material is that Co-MOF is closed in hydro-thermal
At what is obtained derived from process, and the preparation process of Co-MOF at room temperature complete by a step, resulting Ni-Co LDH electrode material
It is the three-dimensional porous structure that there are many nanometer sheets to constitute, the nanometer sheet thickness for constituting three-dimensional porous structure is 150-200 nm.
2. a kind of preparation method based on Ni-Co LDH material derived from MOF, which comprises the steps of: by 50
Co (the NO of mmol3)2·6H2O, the C of 0.4 mol4H6N2, it is dissolved in 40 mL distilled water respectively, sufficiently after dissolution mixing, by carbon
Cloth is placed in solution in 60o, is reacted at room temperature 4 h, is obtained CC/Co-MOF after washing and drying；The immersion of CC/Co-MOF electrode is contained
There are 30-40 mL ethyl alcohol and the Ni (NO of 0.07-0.09 mmol3)2·6H2In the mixed solution of O, it is then transferred to 50 mL
Autoclave, at 120-150 DEG C react 2-3 h after, sufficiently cleaned with water and ethyl alcohol, 60 DEG C of dryings obtain classifying porous
Nanometer sheet Ni-Co LDH electrode material introduces the high electrochemical that LDH realizes electrode material using the nano-chip arrays structure of MOF
Performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910755893.3A CN110517899A (en) | 2019-08-16 | 2019-08-16 | Preparation method based on Ni-Co layered double-hydroxide derived from MOF |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910755893.3A CN110517899A (en) | 2019-08-16 | 2019-08-16 | Preparation method based on Ni-Co layered double-hydroxide derived from MOF |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110517899A true CN110517899A (en) | 2019-11-29 |
Family
ID=68625373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910755893.3A Pending CN110517899A (en) | 2019-08-16 | 2019-08-16 | Preparation method based on Ni-Co layered double-hydroxide derived from MOF |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110517899A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111115694A (en) * | 2020-01-21 | 2020-05-08 | 河南科技大学 | Preparation method of hollow Co-Fe LDH material |
| CN111554525A (en) * | 2020-04-30 | 2020-08-18 | 浙江农林大学 | Preparation method of carbon cloth supported double-metal hydroxide material |
| CN111921529A (en) * | 2020-08-18 | 2020-11-13 | 三峡大学 | Preparation method and application of nickel-cobalt metal organic framework/nickel-cobalt metal hydroxide heterogeneous material |
| CN113299485A (en) * | 2021-04-26 | 2021-08-24 | 江苏大学 | Bimetallic (Ni, Co) Se2Preparation method of heterostructure and application of heterostructure in super capacitor |
| CN113314356A (en) * | 2021-05-26 | 2021-08-27 | 陕西科技大学 | Electrode material of HKUST-1-LDH super capacitor derived from electrodeposited MOF and preparation method thereof |
| CN113926430A (en) * | 2021-11-19 | 2022-01-14 | 太原理工大学 | Preparation method and application of MOF derivative/LDH double-site adsorption membrane |
| CN116282202A (en) * | 2023-05-18 | 2023-06-23 | 山东泰和科技股份有限公司 | Petal-shaped lithium battery anode material rich in oxygen vacancies and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104659358A (en) * | 2015-01-30 | 2015-05-27 | 南京工业大学 | Preparation method of hollow nickel cobaltate nano polyhedron |
| CN109585182A (en) * | 2018-10-23 | 2019-04-05 | 江苏大学 | The preparation method of the nickel-cobalt alloy nano chip arrays of sulphur cobalt nickel coated |
-
2019
- 2019-08-16 CN CN201910755893.3A patent/CN110517899A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104659358A (en) * | 2015-01-30 | 2015-05-27 | 南京工业大学 | Preparation method of hollow nickel cobaltate nano polyhedron |
| CN109585182A (en) * | 2018-10-23 | 2019-04-05 | 江苏大学 | The preparation method of the nickel-cobalt alloy nano chip arrays of sulphur cobalt nickel coated |
Non-Patent Citations (2)
| Title |
|---|
| QINGJUN YANG,ET AL.: ""MOF-derived hierarchical nanosheet arrays constructed by interconnected NiCo-alloy@NiCo-sulfide core-shell nanoparticles for high-performance asymmetric supercapacitors"", 《CHEMICAL ENGINEERING JOURNAL》 * |
| YING WANG,ET AL.: ""Hierarchical nickel cobalt sulfide nanosheet on MOF-derived carbon nanowall arrays with remarkable supercapacitive performance"", 《CARBON》 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111115694A (en) * | 2020-01-21 | 2020-05-08 | 河南科技大学 | Preparation method of hollow Co-Fe LDH material |
| CN111554525A (en) * | 2020-04-30 | 2020-08-18 | 浙江农林大学 | Preparation method of carbon cloth supported double-metal hydroxide material |
| CN111554525B (en) * | 2020-04-30 | 2021-07-13 | 浙江农林大学 | Preparation method of carbon cloth supported double-metal hydroxide material |
| CN111921529A (en) * | 2020-08-18 | 2020-11-13 | 三峡大学 | Preparation method and application of nickel-cobalt metal organic framework/nickel-cobalt metal hydroxide heterogeneous material |
| CN111921529B (en) * | 2020-08-18 | 2022-03-04 | 三峡大学 | Preparation method and application of nickel-cobalt metal organic framework/nickel-cobalt metal hydroxide heterogeneous material |
| CN113299485A (en) * | 2021-04-26 | 2021-08-24 | 江苏大学 | Bimetallic (Ni, Co) Se2Preparation method of heterostructure and application of heterostructure in super capacitor |
| CN113314356A (en) * | 2021-05-26 | 2021-08-27 | 陕西科技大学 | Electrode material of HKUST-1-LDH super capacitor derived from electrodeposited MOF and preparation method thereof |
| CN113314356B (en) * | 2021-05-26 | 2022-11-08 | 陕西科技大学 | Electrode material of HKUST-1-LDH super capacitor derived from electrodeposited MOF and preparation method thereof |
| CN113926430A (en) * | 2021-11-19 | 2022-01-14 | 太原理工大学 | Preparation method and application of MOF derivative/LDH double-site adsorption membrane |
| CN113926430B (en) * | 2021-11-19 | 2023-10-20 | 太原理工大学 | Preparation method and application of MOF derivative/LDH double-site adsorption membrane |
| CN116282202A (en) * | 2023-05-18 | 2023-06-23 | 山东泰和科技股份有限公司 | Petal-shaped lithium battery anode material rich in oxygen vacancies and preparation method and application thereof |
| CN116282202B (en) * | 2023-05-18 | 2023-08-22 | 山东泰和科技股份有限公司 | Petal-shaped lithium battery anode material rich in oxygen vacancies and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110517899A (en) | Preparation method based on Ni-Co layered double-hydroxide derived from MOF | |
| CN109234755B (en) | Layered double-metal hydroxide composite structure electrocatalyst and preparation method thereof | |
| Anantharaj et al. | Ultrafast growth of a Cu (OH) 2–CuO nanoneedle array on Cu foil for methanol oxidation electrocatalysis | |
| CN108346522B (en) | Cobaltosic oxide hierarchical structure nano array material, preparation method and application thereof | |
| Gao et al. | Double metal ions synergistic effect in hierarchical multiple sulfide microflowers for enhanced supercapacitor performance | |
| Zhan et al. | Synthesis of mesoporous NiCo2O4 fibers and their electrocatalytic activity on direct oxidation of ethanol in alkaline media | |
| Xu et al. | A strong coupled 2D metal-organic framework and ternary layered double hydroxide hierarchical nanocomposite as an excellent electrocatalyst for the oxygen evolution reaction | |
| CN110721724B (en) | Nickel-nitrogen co-doped porous carbon material loaded with cobalt nanoparticles and preparation method and application thereof | |
| CN107785181A (en) | A kind of electrode material for super capacitor and preparation method thereof | |
| CN108447703B (en) | A kind of ferronickel double-metal hydroxide@ceria heterogeneous structural nano sheet material, preparation method and applications | |
| CN104701036A (en) | Research of super-capacitor electrode material based on graded flowerlike NiCo2O4 | |
| CN106298263B (en) | A kind of bismuth/charcoal super capacitance cell and preparation method thereof | |
| CN102664107B (en) | Preparation method of nano-manganese dioxide electrode | |
| Jiang et al. | Design and fabrication of metal-organic frameworks nanosheet arrays constructed by interconnected nanohoneycomb-like nickel-cobalt oxide for high energy density asymmetric supercapacitors | |
| CN107680821B (en) | A kind of double-metal hydroxide@nickel molybdate@graphene nanocomposite material, preparation method and applications | |
| CN105826082B (en) | A kind of preparation method and applications of monoblock type electrode material for super capacitor | |
| CN109767924B (en) | LDH-based supercapacitor composite electrode material, and preparation method and application thereof | |
| CN103824705A (en) | Preparation method of asymmetric supercapacitor of water system | |
| CN106757143A (en) | A kind of water decomposition reaction catalysis electrode and preparation method thereof | |
| CN105470000A (en) | Integrated composite electrode for supercapacitor and preparation method of integrated composite electrode | |
| CN107240505A (en) | Electrode material for super capacitor Zn doping NiCo2O4Compound and preparation method | |
| CN105826085A (en) | Carbon/bismuth oxychloride super capacitor battery and preparation method thereof | |
| CN106449136B (en) | Alpha-nickel hydroxide cobalt electrode material and the preparation method and application thereof | |
| CN109786135A (en) | A kind of copper oxide@nickel molybdate/foam copper combination electrode material and preparation method thereof | |
| CN112663087A (en) | Preparation method and application of iron and nitrogen doped cobalt selenide electrocatalyst |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191129 |
|
| RJ01 | Rejection of invention patent application after publication |