CN111634963A - Preparation method of iron-doped nano nickel oxide powder for super capacitor - Google Patents
Preparation method of iron-doped nano nickel oxide powder for super capacitor Download PDFInfo
- Publication number
- CN111634963A CN111634963A CN202010629963.3A CN202010629963A CN111634963A CN 111634963 A CN111634963 A CN 111634963A CN 202010629963 A CN202010629963 A CN 202010629963A CN 111634963 A CN111634963 A CN 111634963A
- Authority
- CN
- China
- Prior art keywords
- iron
- oxide powder
- nickel oxide
- doped nano
- nano nickel
- 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
- C01G53/04—Oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—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, 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
-
- 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)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Nanotechnology (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention belongs to the technical field of nano materials, and particularly relates to a preparation method of iron-doped nano nickel oxide powder for a super capacitor. The technical scheme of the invention is as follows: a preparation method of iron-doped nano nickel oxide powder for a super capacitor comprises the steps of preparing a mixed solution of nickel nitrate and ferric nitrate according to a proportion, adding a certain amount of polyacrylamide, uniformly stirring, transferring the solution into a polytetrafluoroethylene reaction kettle, synthesizing a brownish red prepolymer suspension by adopting a hydrothermal method, filtering, cleaning, drying, ball-milling, sintering in a muffle furnace, and cooling along with the furnace to obtain the iron-doped nano nickel oxide powder. The preparation method of the iron-doped nano nickel oxide powder for the super capacitor can obtain the nano nickel oxide powder with excellent dispersibility, narrow particle size distribution, high specific capacitance and small internal resistance.
Description
Technical Field
The invention belongs to the technical field of nano materials, and particularly relates to a preparation method of iron-doped nano nickel oxide powder for a super capacitor.
Background
The rapid increase of global economy is not away from the rapid development of industry, but the promotion of economic growth by means of industrial development consumes a large amount of fossil energy, causes the gradual exhaustion of natural resources, and leads to the great increase of carbon dioxide emission. Therefore, renewable energy and clean energy are required to be searched as soon as possible.
As a novel energy storage element, the super capacitor has excellent characteristics of high power density, rapid charging, wide temperature range of use, long service life and the like, and is an important support technology for energy reformation and draws more and more attention.
The activity of the electrode material directly influences the performance of the super capacitor, and the nano nickel oxide powder has the advantages of controllable structural performance, environmental friendliness, low cost and the like, so that the nano nickel oxide powder is widely applied.
However, the existing nano nickel oxide powder has the problems of serious agglomeration phenomenon, low specific capacitance and large internal resistance.
Disclosure of Invention
The invention provides a preparation method of iron-doped nano nickel oxide powder for a super capacitor, which is characterized in that nickel nitrate hexahydrate, ferric nitrate, polyacrylamide, ammonia water and deionized water are used as main raw materials, a prepolymer is prepared by a hydrothermal method, and then the doped nano nickel oxide powder with excellent dispersibility, large specific capacitance and small internal resistance is prepared by the processes of filtering, cleaning, drying, ball milling, sintering and the like.
The technical scheme of the invention is as follows:
a preparation method of iron-doped nano nickel oxide powder for a super capacitor comprises the steps of preparing a mixed solution of nickel nitrate and ferric nitrate according to a proportion, adding a certain amount of polyacrylamide, uniformly stirring, transferring the solution into a polytetrafluoroethylene reaction kettle, synthesizing a brownish red prepolymer suspension by adopting a hydrothermal method, filtering, cleaning, drying, ball-milling, sintering in a muffle furnace, and cooling along with the furnace to obtain the iron-doped nano nickel oxide powder.
The preferable scheme of the preparation method of the iron-doped nano nickel oxide powder for the super capacitor is that the raw materials for preparing the iron-doped nano nickel oxide powder comprise the following components in parts by weight: 25-40 parts of nickel nitrate hexahydrate, 8-15 parts of ferric nitrate nonahydrate, 3-8 parts of polyacrylamide, 2-4 parts of 0.05mol/L ammonia water and 100 parts of deionized water.
The preparation method of the iron-doped nano nickel oxide powder for the super capacitor specifically comprises the following steps:
1) taking nickel nitrate hexahydrate, ferric nitrate nonahydrate and deionized water according to a certain proportion, mixing, uniformly stirring, adding polyacrylamide, and continuously uniformly stirring to obtain a yellow mixed solution A;
2) adding 0.05mol/L ammonia water into the solution A to adjust the pH value of the nickel nitrate solution to 7.1-7.5 to obtain a solution B;
3) transferring the solution B into a polytetrafluoroethylene reaction kettle to enable the filling degree of the reaction kettle to be 75%, carrying out hydration reaction for 2-5 hours at the temperature of 150 ℃, and cooling to obtain a dark yellow suspension C;
4) carrying out suction filtration on the suspension C, sequentially washing the suspension C with deionized water and absolute ethyl alcohol, washing the suspension C for three times in this way, carrying out suction filtration after each washing, and drying the suspension C in a 75 ℃ drying oven after the suspension C is washed clean to obtain brownish red powder D;
5) and (3) performing ball milling on the brownish red powder D in a corundum ball milling tank, sintering for 2 hours in a muffle furnace at 350-450 ℃, and cooling along with the furnace to obtain the iron-doped nano nickel oxide powder.
The preferable scheme of the preparation method of the iron-doped nano nickel oxide powder for the super capacitor is that the average particle size of the iron-doped nano nickel oxide powder is 25-50 nm.
The preferable scheme of the preparation method of the iron-doped nano nickel oxide powder for the super capacitor is that the iron-doped nano nickel oxide powder is filled on porous nickel to prepare an electrode, and the electrode is prepared at 5-12 mA/cm2The specific capacitance of the porous nickel electrode is improved by 35.6-52.3% compared with that of a single porous nickel electrode under the current density of (2).
The preferable scheme of the preparation method of the iron-doped nano nickel oxide powder for the super capacitor is that the iron-doped nano nickel oxide powder is filled on porous nickel to prepare an electrode, and when the iron-doped nano nickel oxide powder is used as the super capacitor, the internal resistance is 0.36-0.41 m omega, which is reduced by 60.2-65.0% compared with the internal resistance of a super capacitor with a single porous nickel electrode.
The invention has the beneficial effects that:
(1) the ammonia water used in the invention is used for adjusting the pH value of the solution.
(2) The polyacrylamide used in the invention is used as a reinforcing agent and a dispersing agent, and the prepolymer nickel hydroxide and the ferric hydroxide can be connected together, so that the sintered iron element is uniformly doped in the nickel oxide powder.
(3) The iron-doped nano nickel oxide powder prepared by the invention has good dispersibility, narrow particle size distribution range, high specific capacitance and small internal resistance, and meets the use requirement of a super capacitor.
Detailed Description
The technical solutions of the present application will be described in detail below with reference to specific embodiments of the present application, but the present invention is not limited to the specific embodiments. In addition, any modification or change that can be easily made by a person having ordinary skill in the art without departing from the technical solution of the present invention will fall within the scope of the claims of the present invention.
The starting materials in the following examples are all commercially available.
Example 1
1) In the preparation method of the iron-doped nano nickel oxide powder for the super capacitor, the raw materials and the parts by mass are as follows: 25 parts of nickel nitrate hexahydrate, 8 parts of ferric nitrate nonahydrate and 100 parts of deionized water, mixing, uniformly stirring, adding 3 parts of polyacrylamide, and continuously uniformly stirring to obtain a yellow mixed solution A;
2) adding 2 parts of 0.05mol/L ammonia water into the solution A, and adjusting the pH value of the nickel nitrate solution to 7.1 to obtain a solution B;
3) transferring the solution B into a polytetrafluoroethylene reaction kettle, enabling the filling degree of the reaction kettle to be 75%, reacting for 2 hours at the temperature of 150 ℃, and cooling to obtain a dark yellow suspension C;
4) carrying out suction filtration on the suspension C, sequentially washing the suspension C with deionized water and absolute ethyl alcohol, washing the suspension C for three times in this way, carrying out suction filtration after each washing, and drying the suspension C in a 75 ℃ drying oven after the suspension C is washed clean to obtain brownish red powder D;
5) ball-milling the brownish red powder D in a corundum ball-milling tank, sintering for 2 hours at 350 ℃ in a muffle furnace, cooling along with the furnace to obtain iron-doped nano nickel oxide powder with the average particle size of 28nm, filling the iron-doped nano nickel oxide powder on porous nickel to prepare an electrode, and performing ball milling at 5mA/cm2Specific capacitance of the porous nickel electrode than that of a single porous nickel electrode at a current density ofThe internal resistance of the electrode is improved by 38.1 percent, and when the electrode is used as a super capacitor, the internal resistance is 0.39m omega, which is reduced by 62.1 percent compared with the internal resistance of a super capacitor with a single porous nickel electrode.
Example 2
1) In the preparation method of the iron-doped nano nickel oxide powder for the super capacitor, the raw materials and the parts by mass are as follows: 35 parts of nickel nitrate hexahydrate, 15 parts of ferric nitrate nonahydrate and 100 parts of deionized water, mixing, uniformly stirring, adding 5 parts of polyacrylamide, and continuously uniformly stirring to obtain a yellow mixed solution A;
2) adding 4 parts of 0.05mol/L ammonia water into the solution A, and adjusting the pH value of the nickel nitrate solution to 7.4 to obtain a solution B;
3) transferring the solution B into a polytetrafluoroethylene reaction kettle to enable the filling degree of the reaction kettle to be 75%, carrying out hydration reaction for 5 hours at the temperature of 150 ℃, and cooling to obtain a dark yellow suspension C;
4) carrying out suction filtration on the suspension C, sequentially washing the suspension C with deionized water and absolute ethyl alcohol, washing the suspension C for three times in this way, carrying out suction filtration after each washing, and drying the suspension C in a 75 ℃ drying oven after the suspension C is washed clean to obtain brownish red powder D;
5) ball-milling the brownish red powder D in a corundum ball-milling tank, sintering for 2 hours in a muffle furnace at the temperature of 420 ℃, cooling along with the furnace to obtain iron-doped nano nickel oxide powder with the average particle size of 46nm, filling the iron-doped nano nickel oxide powder on porous nickel to prepare an electrode, and performing ball-milling at the temperature of 10mA/cm2The specific capacitance of the electrode is improved by 49.6 percent compared with the specific capacitance of a single porous nickel electrode, and when the electrode is used as a super capacitor, the internal resistance is 0.37m omega, which is reduced by 64.1 percent compared with the internal resistance of the super capacitor with the single porous nickel electrode.
Example 3
1) In the preparation method of the iron-doped nano nickel oxide powder for the super capacitor, the raw materials and the parts by mass are as follows: 40 parts of nickel nitrate hexahydrate, 12 parts of ferric nitrate nonahydrate and 100 parts of deionized water, uniformly stirring after mixing, adding 8 parts of polyacrylamide, and continuously uniformly stirring to obtain a yellow mixed solution A;
2) adding 3 parts of 0.05mol/L ammonia water into the solution A, and adjusting the pH value of the nickel nitrate solution to 7.3 to obtain a solution B;
3) transferring the solution B into a polytetrafluoroethylene reaction kettle, enabling the filling degree of the reaction kettle to be 75%, reacting for 3 hours at the temperature of 150 ℃, and cooling to obtain a dark yellow suspension C;
4) carrying out suction filtration on the suspension C, sequentially washing the suspension C with deionized water and absolute ethyl alcohol, washing the suspension C for three times in this way, carrying out suction filtration after each washing, and drying the suspension C in a 75 ℃ drying oven after the suspension C is washed clean to obtain brownish red powder D;
5) ball-milling the brownish red powder D in a corundum ball-milling tank, sintering for 2 hours at 450 ℃ in a muffle furnace, cooling along with the furnace to obtain iron-doped nano nickel oxide powder with the average particle size of 42nm, filling the iron-doped nano nickel oxide powder on porous nickel to prepare an electrode, and performing ball milling at 5mA/cm2The specific capacitance of the electrode is improved by 47.3 percent compared with that of a single porous nickel electrode, and when the electrode is used as a super capacitor, the internal resistance is 0.40m omega and is reduced by 61.2 percent compared with that of the super capacitor with the single porous nickel electrode.
Claims (6)
1. A preparation method of iron-doped nano nickel oxide powder for a super capacitor is characterized by preparing a mixed solution of nickel nitrate and ferric nitrate according to a proportion, adding a certain amount of polyacrylamide, uniformly stirring, transferring the solution into a polytetrafluoroethylene reaction kettle, synthesizing a brownish red prepolymer suspension by adopting a hydrothermal method, filtering, cleaning, drying and ball-milling the suspension, then putting the suspension into a muffle furnace for sintering, and cooling along with the furnace to obtain the iron-doped nano nickel oxide powder.
2. The method for preparing the iron-doped nano nickel oxide powder for the supercapacitor according to claim 1, wherein the iron-doped nano nickel oxide powder is prepared from the following raw materials in parts by mass: 25-40 parts of nickel nitrate hexahydrate, 8-15 parts of ferric nitrate nonahydrate, 3-8 parts of polyacrylamide, 2-4 parts of 0.05mol/L ammonia water and 100 parts of deionized water.
3. The preparation method of the iron-doped nano nickel oxide powder for the supercapacitor according to claims 1 to 2, which is characterized by comprising the following steps:
1) taking nickel nitrate hexahydrate, ferric nitrate nonahydrate and deionized water according to a certain proportion, mixing, uniformly stirring, adding polyacrylamide, and continuously uniformly stirring to obtain a yellow mixed solution A;
2) adding 0.05mol/L ammonia water into the solution A to adjust the pH value of the nickel nitrate solution to 7.1-7.5 to obtain a solution B;
3) transferring the solution B into a polytetrafluoroethylene reaction kettle to enable the filling degree of the reaction kettle to be 75%, carrying out hydration reaction for 2-5 hours at the temperature of 150 ℃, and cooling to obtain a dark yellow suspension C;
4) carrying out suction filtration on the suspension C, sequentially washing the suspension C with deionized water and absolute ethyl alcohol, washing the suspension C for three times in this way, carrying out suction filtration after each washing, and drying the suspension C in a 75 ℃ drying oven after the suspension C is washed clean to obtain brownish red powder D;
5) and ball-milling the brownish red powder D in a corundum ball-milling tank, sintering for 2 hours in a muffle furnace at 350-450 ℃, and cooling along with the furnace to obtain the iron-doped nano nickel oxide powder.
4. The method for preparing the iron-doped nano nickel oxide powder for the supercapacitor according to claim 1, wherein the average particle size of the iron-doped nano nickel oxide powder is 25-50 nm.
5. The method for preparing the iron-doped nano nickel oxide powder for the supercapacitor according to claim 1, wherein the iron-doped nano nickel oxide powder is filled on porous nickel to form an electrode, and the electrode is prepared at 5-12 mA/cm2The specific capacitance of the porous nickel electrode is improved by 35.6-52.3% compared with that of a single porous nickel electrode under the current density of (2).
6. The method for preparing the iron-doped nano nickel oxide powder for the supercapacitor according to claim 1, wherein the iron-doped nano nickel oxide powder is filled on porous nickel to form an electrode, and when the iron-doped nano nickel oxide powder is used as the supercapacitor, the internal resistance is 0.36-0.41 m Ω, which is 60.2-65.0% lower than that of a supercapacitor with a single porous nickel electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010629963.3A CN111634963A (en) | 2020-07-03 | 2020-07-03 | Preparation method of iron-doped nano nickel oxide powder for super capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010629963.3A CN111634963A (en) | 2020-07-03 | 2020-07-03 | Preparation method of iron-doped nano nickel oxide powder for super capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111634963A true CN111634963A (en) | 2020-09-08 |
Family
ID=72327100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010629963.3A Pending CN111634963A (en) | 2020-07-03 | 2020-07-03 | Preparation method of iron-doped nano nickel oxide powder for super capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111634963A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101333008A (en) * | 2007-06-29 | 2008-12-31 | 江苏双登集团有限公司 | Preparation method of nano nickel oxide composite powder |
| JP2010251141A (en) * | 2009-04-16 | 2010-11-04 | Sumitomo Metal Mining Co Ltd | Composite nickel oxide powder material for solid oxide fuel cell and method of manufacturing the same, and fuel electrode material using the same |
| CN101950680A (en) * | 2010-08-27 | 2011-01-19 | 湖北长海新能源科技有限公司 | Nano nickel oxide composite electrode for super capacitor and preparation method thereof |
| CN103151180A (en) * | 2013-03-21 | 2013-06-12 | 兰州理工大学 | Organic high-polymer super capacitor electrode material and preparation method thereof |
| CN103846085A (en) * | 2014-03-17 | 2014-06-11 | 湖州师范学院 | Preparation of Bi-doped ZnWO4 Photocatalyst by Hydrothermal Method |
| CN106315695A (en) * | 2016-08-24 | 2017-01-11 | 福州大学 | Strawberry like Ni-Co nano material and preparing method thereof |
| CN107986340A (en) * | 2017-12-13 | 2018-05-04 | 桑顿新能源科技有限公司 | A kind of porous NiO Nano compounds material of mask shape and preparation method thereof |
| CN108373176A (en) * | 2018-04-16 | 2018-08-07 | 沈阳建筑大学 | A kind of nano-nickel oxide raw powder's production technology for ultracapacitor |
-
2020
- 2020-07-03 CN CN202010629963.3A patent/CN111634963A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101333008A (en) * | 2007-06-29 | 2008-12-31 | 江苏双登集团有限公司 | Preparation method of nano nickel oxide composite powder |
| JP2010251141A (en) * | 2009-04-16 | 2010-11-04 | Sumitomo Metal Mining Co Ltd | Composite nickel oxide powder material for solid oxide fuel cell and method of manufacturing the same, and fuel electrode material using the same |
| CN101950680A (en) * | 2010-08-27 | 2011-01-19 | 湖北长海新能源科技有限公司 | Nano nickel oxide composite electrode for super capacitor and preparation method thereof |
| CN103151180A (en) * | 2013-03-21 | 2013-06-12 | 兰州理工大学 | Organic high-polymer super capacitor electrode material and preparation method thereof |
| CN103846085A (en) * | 2014-03-17 | 2014-06-11 | 湖州师范学院 | Preparation of Bi-doped ZnWO4 Photocatalyst by Hydrothermal Method |
| CN106315695A (en) * | 2016-08-24 | 2017-01-11 | 福州大学 | Strawberry like Ni-Co nano material and preparing method thereof |
| CN107986340A (en) * | 2017-12-13 | 2018-05-04 | 桑顿新能源科技有限公司 | A kind of porous NiO Nano compounds material of mask shape and preparation method thereof |
| CN108373176A (en) * | 2018-04-16 | 2018-08-07 | 沈阳建筑大学 | A kind of nano-nickel oxide raw powder's production technology for ultracapacitor |
Non-Patent Citations (3)
| Title |
|---|
| J. AL BOUKHARI ET AL.: "Synthesis, characterization, optical and magnetic properties of pure and Mn,Fe and Zn doped NiO nanoparticles", 《CHEMICAL PHYSICS》 * |
| SHANSHAN LI ET AL.: "Hydrothermal synthesis of Fe-doped Co3O4 urchin-like microstructures with superior electrochemical performances", 《JOURNAL OF ALLOYS AND COMPOUNDS》 * |
| 马国帅等: "电化学电容器中NiO电极材料的研究进展", 《吉林化工学院学报》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103107025B (en) | A kind of electrode material for super capacitor NiCo2O4Preparation method | |
| JP6449594B2 (en) | Positive electrode material for lithium ion battery and method for producing the same | |
| CN108615874B (en) | A kind of positive electrode material of potassium ion battery based on nickel-manganese binary oxide and preparation method thereof | |
| CN111082003A (en) | Vanadate hydrate electrode material and preparation method and application thereof | |
| CN101702375B (en) | A kind of preparation method of element-doped manganese dioxide electrode material for supercapacitor | |
| CN105161314A (en) | Nano nickel oxide/nickel/graphene composite material and preparation method and application thereof | |
| CN105810456B (en) | A kind of activated graphene/needle-like nickel hydroxide nano composite and preparation method thereof | |
| CN105977486A (en) | Preparation method and application of sodium-rich transition metal silicate as sodium ion battery cathode material | |
| CN107381499A (en) | A kind of hollow porous nanometer α Fe2O3The preparation of hexagonal prismoid material and its application process | |
| CN103531365A (en) | Preparation method for cobalt-nickel oxide composite material as supercapacitor electrode material | |
| CN110021746A (en) | A kind of preparation method and lithium ion battery of carbon coating vanadium trioxide | |
| CN114520319A (en) | Nickel-based positive electrode material of lithium secondary battery and preparation method thereof | |
| CN106683896A (en) | Preparation method and application of core-shell-structured nickel molybdate/manganese dioxide composite material | |
| CN107697898A (en) | A kind of NASICON structures water system sodium-ion battery positive electrode and its synthetic method | |
| CN105271438B (en) | A kind of preparation method of the sour magnesium loose structure electrode material of the cobalt of pair of sea urchin pattern | |
| CN105097300A (en) | Preparation method of NiMoO4/MoS2/NiS nanocomposite | |
| CN110828199B (en) | A kind of preparation method, product and application of vanadium-based nanocomposite electrode material | |
| CN108806995B (en) | A preparation method of g-C3N4@NiCo2O4 core-shell structure | |
| CN109545573B (en) | Preparation method of metal 1T-phase rhenium sulfide hollow nanosphere supercapacitor electrode material | |
| CN111349915A (en) | CoSe with controllable appearance2/Ti composite material and preparation method thereof | |
| CN103872313A (en) | Lithium-ion battery cathode material LiMn2-2xM(II)xSixO4 and preparation method thereof | |
| CN102897835A (en) | A kind of preparation method of BiVO4 | |
| CN107032414B (en) | A kind of preparation method of flexible zinc cobaltate nanowire material | |
| CN111634963A (en) | Preparation method of iron-doped nano nickel oxide powder for super capacitor | |
| CN105742072B (en) | A kind of metal embeds preparation method of the porous carbon to electrode material |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200908 |
|
| WD01 | Invention patent application deemed withdrawn after publication |