CN109244480A - A kind of honeycomb electrode material and preparation method thereof - Google Patents
A kind of honeycomb electrode material and preparation method thereof Download PDFInfo
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- CN109244480A CN109244480A CN201811091061.8A CN201811091061A CN109244480A CN 109244480 A CN109244480 A CN 109244480A CN 201811091061 A CN201811091061 A CN 201811091061A CN 109244480 A CN109244480 A CN 109244480A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/581—Chalcogenides or intercalation compounds thereof
- H01M4/5815—Sulfides
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8605—Porous electrodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M12/00—Hybrid cells; Manufacture thereof
- H01M12/08—Hybrid cells; Manufacture thereof composed of a half-cell of a fuel-cell type and a half-cell of the secondary-cell type
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
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- 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
- Y02E60/10—Energy storage using batteries
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Abstract
The present invention relates to Material Fields, in particular to a kind of honeycomb electrode material and preparation method thereof.By adding urea before hydro-thermal reaction, promote the hydro-thermal reaction of nickel chloride and thioacetamide.Honeycomb is presented in the honeycomb electrode material, and specific surface area with higher and offer more put a product attachment site, while may also speed up the transmission rate of electronics.Therefore the problems such as showing good chemical property, can be good at solution traditional carbon material and the high charging overpotential containing binder electrode.
Description
Technical field
The present invention relates to lithium-oxygen battery fields, in particular to a kind of honeycomb electrode material and preparation method thereof.
Background technique
Lithium-oxygen battery is using lithium metal as cathode, and oxygen is the new fuel cell of anode.Lithium-oxygen battery has theoretical energy
Metric density height, positive electrode abundance, green non-pollution, reproducible utilization, it is low in cost the advantages that, be a kind of good energy
Measure storage device.Although lithium-oxygen battery has the above advantages, due to the oxygen of charging overpotential with higher and sluggishness
The chemical property that kinetics of reduction shows lithium-oxygen battery in charge and discharge process is bad, while also reducing lithium
The cycle life of oxygen cell.
Summary of the invention
The first object of the present invention is to provide a kind of preparation method of honeycomb electrode material.
The second object of the present invention is to provide a kind of honeycomb electrode material.
To achieve the goals above, technical solution used in the embodiment of the present invention is as follows:
A kind of preparation method of honeycomb electrode material, comprises the following steps that: (1) alcoholic solution of nickel chloride being added
It is mixed into the aqueous solution of thioacetamide, obtains the first mixed solution;(2) the first mixed solution is mixed with urea,
Obtain the second mixed solution;(3) the second mixed solution is subjected to hydro-thermal reaction, and obtained reaction product is post-processed.
A kind of preparation method of honeycomb electrode material, comprising: by the water-soluble of the alcoholic solution of nickel chloride and thioacetamide
Liquid is mixed to form the first mixed solution, and the first mixed solution and urea are mixed to form the second mixed solution, and the second mixing is molten
Liquid carries out hydro-thermal reaction.
A kind of honeycomb electrode material is made by the preparation method of above-mentioned honeycomb electrode material.
The beneficial effects of the present invention are:
The preparation method of a kind of honeycomb electrode material provided by the invention, by the alcoholic solution and thioacetamide of nickel chloride
Aqueous solution be mixed to form the first mixed solution, the first mixed solution and urea are mixed to form the second mixed solution, by second
Mixed solution carries out hydro-thermal reaction and is made with cellular vulcanization nickel electrode material.This method before hydro-thermal reaction by adding
Add urea, promotes the hydro-thermal reaction of nickel chloride and thioacetamide.Therefore, the honeycomb electrode material prepared through the invention is not
It is only capable of showing good chemical property, moreover it is possible to solve lithium-oxygen battery and generate higher overpotential during the charging process and follow
The problems such as ring performance is poor.
A kind of honeycomb electrode material provided by the invention, by the preparation method system of above-mentioned honeycomb electrode material
?.Honeycomb is presented in the honeycomb electrode material, and a products attachment position is more put in specific surface area with higher and offer
Point, while may also speed up the transmission rate of electronics.Therefore good chemical property is shown, can be good at solving tradition
The problems such as carbon material and charging overpotential containing binder electrode are high.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the surface sweeping electron microscope of honeycomb electrode material provided in an embodiment of the present invention;
Fig. 2 is the first charge-discharge figure of the lithium-oxygen battery of honeycomb electrode material provided in an embodiment of the present invention;
Fig. 3 is the first charge-discharge figure using the lithium-oxygen battery of Super P bonded foam nickel electrode material.
Specific embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.It is not specified in embodiment specific
Condition person carries out according to conventional conditions or manufacturer's recommended conditions.Reagents or instruments used without specified manufacturer is
The conventional products that can be obtained by commercially available purchase.
In the description of the present invention, it should be noted that term " first ", " second " etc. are only used for distinguishing description, without
It can be interpreted as indication or suggestion relative importance.
A kind of honeycomb electrode material of the embodiment of the present invention and preparation method thereof is specifically described below.
A kind of preparation method of honeycomb electrode material provided in an embodiment of the present invention, comprising:
S1, the aqueous solution of the alcoholic solution of nickel chloride and thioacetamide is mixed to form the first mixed solution.
It is used separately as nickel source and sulphur source with nickel chloride and thioacetamide, the Ni with honeycomb pattern can be synthesized3S2Electricity
Pole material.
Further, in the present embodiment, above-mentioned nickel chloride can choose nickel chloride hexahydrate (NiCl2·6H2O);
Above-mentioned thioacetamide can choose thioacetamide (CH3CSNH2)。
Further, the alcoholic solution of nickel chloride is by six water nickel chlorides and ethylene glycol, is to make after 1:2 is mixed according to mass ratio
?.
Further, after six above-mentioned water nickel chlorides and ethylene glycol being mixed, mixed solution is stirred.
In the present embodiment, selection is carried out by the way of vigorous magnetic stirring when being stirred to above-mentioned mixed solution
Stirring.
Further, the aqueous solution of thioacetamide is to mix thioacetamide and deionized water for 1:3 according to mass ratio
It is made after conjunction.
Still optionally further, after thioacetamide and deionized water being mixed, be also stirred so that thioacetamide and
Deionized water is uniformly mixed.
It further, when the alcoholic solution of above-mentioned nickel chloride being mixed with the aqueous solution of thioacetamide, is used chlorine
Alcoholic solution for changing nickel, which is added to while agitating in the aqueous solution of thioacetamide, to be mixed.
Specifically, using the alcoholic solution of vigorous magnetic stirring nickel chloride while, the alcoholic solution of nickel chloride is added to sulphur
For in the aqueous solution of acetamide.
Optionally into one, continue stirring after the alcoholic solution of nickel chloride being added in the aqueous solution of thioacetamide and form the
One mixed solution.
S2, the first mixed solution and urea are mixed to form the second mixed solution.
Aforementioned first mixed solution obtained is mixed with urea, and continues stirring and forms the second mixed solution.
By adding urea before hydro-thermal reaction, the hydro-thermal reaction of nickel chloride and thioacetamide may advantageously facilitate, into
And guarantee that follow-up hydrothermal reacts product obtained and has honeycomb appearance structure, and then guarantee that product made from hydro-thermal reaction has
Good chemical property.
S3, the second mixed solution is subjected to hydro-thermal reaction.
Second mixed solution is transferred in reaction kettle, hydro-thermal reaction is carried out.
Further, the temperature of hydro-thermal reaction is 160-200 DEG C, and the reaction time is 16-32 hours.
By the way that Ni can be reached by temperature controlled 160-200 DEG C of above-mentioned hydro-thermal reaction3S2Electrode material synthesis
Optimum temperature, and then ensure to synthesize and reach Ni with honeycomb shape characteristic3S2Electrode material.
Further, after hydro-thermal reaction, also product obtained is post-processed.
Further, post-processing includes that product made from hydro-thermal reaction is washed and dried.
Specifically, with the mixed solution of deionized water or deionized water and dehydrated alcohol by product made from hydro-thermal reaction
Washing is three times.
Drying is dried overnight at 100 DEG C in vacuum drying oven.
Some embodiments of the present invention also provide a kind of honeycomb electrode material, by above-mentioned honeycomb electrode material
Preparation method be made.
Feature and performance of the invention are described in further detail with reference to embodiments:
Embodiment 1
A kind of honeycomb electrode material provided in this embodiment, is prepared by the following method:
1) preparation of the first solution: taking six water nickel chloride of 10ml and 20ml ethylene glycol to mix, then take 5ml thioacetamide and
The mixing of 15ml deionized water, then above two mixed liquor is uniformly mixed so as to obtain the first solution;
2) urea is added in the first solution, obtains the second solution;
3) the second solution is subjected to hydro-thermal reaction at 160 DEG C, the hydro-thermal reaction time is 32 hours;
4) it after hydro-thermal reaction, is rinsed 3 times using deionized water, is then dried in a vacuum drying oven.
Embodiment 2
A kind of honeycomb electrode material provided in this embodiment, is prepared by the following method:
1) preparation of the first solution: taking six water nickel chloride of 10ml and 20ml ethylene glycol to mix, then take 5ml thioacetamide and
The mixing of 15ml deionized water, then above two mixed liquor is uniformly mixed so as to obtain the first solution;
2) urea is added in the first solution, obtains the second solution;
3) the second solution is subjected to hydro-thermal reaction at 200 DEG C, the hydro-thermal reaction time is 16 hours;
4) it after hydro-thermal reaction, is rinsed 3 times using deionized water, is then dried in a vacuum drying oven.
Embodiment 3
A kind of honeycomb electrode material provided in this embodiment, is prepared by the following method:
1) preparation of the first solution: taking six water nickel chloride of 10ml and 20ml ethylene glycol to mix, then take 5ml thioacetamide and
The mixing of 15ml deionized water, then above two mixed liquor is uniformly mixed so as to obtain the first solution;
2) urea is added in the first solution, obtains the second solution;
3) the second solution is subjected to hydro-thermal reaction at 170 DEG C, the hydro-thermal reaction time is 24 hours;
4) it after hydro-thermal reaction, is rinsed 3 times using the mixed solution of deionized water and dehydrated alcohol, it is then dry in vacuum
It is dried in dry case.
Embodiment 4
A kind of honeycomb electrode material provided in this embodiment, is prepared by the following method:
1) preparation of the first solution: taking six water nickel chloride of 10ml and 20ml ethylene glycol to mix, then take 5ml thioacetamide and
The mixing of 15ml deionized water, then above two mixed liquor is uniformly mixed so as to obtain the first solution;
2) urea is added in the first solution, obtains the second solution;
3) the second solution is subjected to hydro-thermal reaction at 180 DEG C, the hydro-thermal reaction time is 25 hours;
4) it after hydro-thermal reaction, is rinsed 3 times using the mixed solution of deionized water and dehydrated alcohol, it is then dry in vacuum
It is dried in dry case.
Experimental example:
Its structural behaviour is investigated to honeycomb electrode material made from embodiment 1-4.
1, it is carried out using configuration of surface and microstructure of the scanning electron microscope to honeycomb electrode material made from embodiment 1-4
Detection.
As a result as shown in Figure 1.It will be seen from figure 1 that nickel foam skeleton keeps complete, this is conducive to Ni3S2On the surface thereof
Growth.It can be seen that Ni3S2The homoepitaxial on Ni foam framework.Ni3S2Be interconnected and form honeycombed microstructure.This tool
There is unique honeycomb of mesoporous that can promote the full contact between electrode and electrolyte.This honeycomb has Gao Bibiao
Area can provide active site abundant and accommodate more discharging products, promote the conveying of lithium ion and oxygen, to improve
Li-O2The specific capacity and high rate performance of battery.And then solve lithium-oxygen battery generate during the charging process higher overpotential and
The problems such as poor circulation.
2, the chemical property of honeycomb electrode material made from embodiment 1-4 is detected.
Honeycomb electrode material made from embodiment 1-4 is loaded on Ni foam (NF), Ni is made3S2/ N material, is used for
Make battery pack.
Specifically, using lithium particulate anodes, the glass fibre separator impregnated with the electrolyte of the electrolyte containing 1M (GF/D,
Whatman), it is being filled with pure argon (< 0.1ppm H2O and O2) glove box in assemble Coin shape Li-O2Battery.Bis- (trifluoros
Methane) sulfonamide (LiTFSI, >=99.99%, Sigma Aldrich) is in tetraethylene glycol dimethyl ether (TEGDME;>=99.99%,
Sigma Aldrich) in (1M LiTFSI/TEGDME) and prepared oxygen cathode.Honeycomb electrode made from embodiment 1-4
Material is used as Li-O2The cathode of battery.In order to compare, also assembles and tested based on Ni under identical program respectively3S2Powder
(Ni3S2/ P) and Super P electrode Li-O2Battery.In order to manufacture Ni3S2It is 9:1's by mass ratio with Super P base electrode
Ni3S2/ P or Super P and polyvinylidene fluoride (PVDF) are evenly dispersed in N-Methyl pyrrolidone (NMP), at ultrasound
The mixture is vigorously stirred after reason.The slurry of acquisition is coated on nickel foam current-collector and is dried in a vacuum overnight.It uses
Multi-channel battery test system (LAND CT 2001A) is filled with dry pure O2Test container in carry out constant current discharge-
Charging measurement.Use RST 5000F electrochemical workstation (Risetest Electronic Co., Ld., Suzhou), use mark
Quasi- three-electrode system carries out electrochemical measurement in 1.0M KOH aqueous solution, and according to Ni3S2Surface area assessment electric current it is close
Degree.
Experimental result is shown in Fig. 2 and Fig. 3.It can see from Fig. 2 and Fig. 3, under the restriction capacity of 500mAh/g, H-Ni3S2/
NF (honeycomb Ni3S2/ NF) and the first time charge and discharge cycles charged/discharged platform of SP be respectively 2.88V/3.62V, 2.33V/
4.07V, and H-Ni3S2It is only 0.74V that/NF, which shows minimum overpotential, and the overpotential of SP is 1.51V, this shows made
Standby catalyst effectively reduces activation polarization, while also slowing down the electrolyte decomposition due to caused by high charge voltage etc. and asking
Topic, to improve the performance of battery.
Therefore, honeycomb electrode material provided in an embodiment of the present invention can be good at solving traditional carbon material and containing bonding
The problems such as charging overpotential of agent electrode is high.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of preparation method of honeycomb electrode material, which is characterized in that comprise the following steps that: (1) by nickel chloride
Alcoholic solution is added in the aqueous solution of thioacetamide and is mixed, and obtains the first mixed solution;(2) by the first mixed solution with
Urea mixing, obtains the second mixed solution;(3) by the second mixed solution carry out hydro-thermal reaction, and to obtained reaction product into
Row post-processing.
2. the preparation method of honeycomb electrode material as described in claim 1, which is characterized in that
Include six water nickel chlorides and ethylene glycol in the alcoholic solution of the nickel chloride, the mass ratio of six water nickel chlorides and ethylene glycol is 1:
2。
3. the preparation method of honeycomb electrode material as claimed in claim 2, which is characterized in that
In the aqueous solution of the thioacetamide, the mass ratio of thioacetamide and deionized water is 1:3.
4. the preparation method of honeycomb electrode material as described in claim 1, which is characterized in that
The temperature of the hydro-thermal reaction is 160-200 DEG C, and the reaction time is 16-32 hours.
5. the preparation method of honeycomb electrode material as described in claim 1, which is characterized in that
In step (3), the post-processing approach is the following steps are included: (31) wash reaction product 3-5 times;(32) it washs laggard
Row vacuum drying.
6. a kind of preparation method of honeycomb electrode material characterized by comprising
The aqueous solution of the alcoholic solution of nickel chloride and thioacetamide is mixed to form the first mixed solution, first mixing is molten
Liquid and urea are mixed to form the second mixed solution, and second mixed solution is carried out hydro-thermal reaction.
7. the preparation method of honeycomb electrode material as claimed in claim 6, which is characterized in that
The alcoholic solution of the nickel chloride is by six water nickel chlorides and ethylene glycol, is to be made after 1:2 is mixed according to mass ratio.
8. the preparation method of honeycomb electrode material as claimed in claim 6, which is characterized in that
The aqueous solution of the thioacetamide is by thioacetamide and deionized water, is to be made after 1:3 is mixed according to mass ratio.
9. the preparation method of honeycomb electrode material as claimed in claim 6, which is characterized in that
The temperature of the hydro-thermal reaction is 160-200 DEG C, and the reaction time is 16-32 hours.
10. a kind of honeycomb electrode material, which is characterized in that it is by the described in any item honeycomb electrode materials of claim 1-9
The preparation method of material is made.
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CN109216708B (en) * | 2018-09-12 | 2021-03-02 | 成都理工大学 | Self-supporting electrode material and preparation method and application thereof |
CN109216707A (en) * | 2018-09-12 | 2019-01-15 | 成都理工大学 | CuCo2S4@Ni composite material and preparation method and application |
CN109167067B (en) * | 2018-09-12 | 2021-06-01 | 成都理工大学 | Flower-shaped electro-catalytic material and preparation method and application thereof |
CN109179515B (en) * | 2018-09-12 | 2021-04-13 | 成都理工大学 | Spherical electrocatalytic material and preparation method thereof |
CN110098398B (en) * | 2019-05-23 | 2020-07-28 | 中南大学 | Preparation method and application of honeycomb-like sulfur-doped carbon material |
CN114024032B (en) * | 2021-11-11 | 2024-05-10 | 浙江工业大学 | Lithium battery electrolyte, application of lithium battery electrolyte and lithium oxygen battery containing electrolyte |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105489390A (en) * | 2015-11-27 | 2016-04-13 | 上海应用技术学院 | Preparation method of flower-like nickel sulfide material and application of flower-like nickel sulfide material in super capacitor |
CN106784719A (en) * | 2017-01-05 | 2017-05-31 | 山东理工大学 | A kind of preparation method of the flower-shaped nickel sulfide/foam nickel materials of graphene coated 3D |
CN107311229A (en) * | 2017-07-27 | 2017-11-03 | 成都理工大学 | A kind of sea urchin shape air electrode material and preparation method thereof |
-
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- 2018-02-12 CN CN201810143538.6A patent/CN108365217A/en active Pending
- 2018-09-18 CN CN201811091061.8A patent/CN109244480A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105489390A (en) * | 2015-11-27 | 2016-04-13 | 上海应用技术学院 | Preparation method of flower-like nickel sulfide material and application of flower-like nickel sulfide material in super capacitor |
CN106784719A (en) * | 2017-01-05 | 2017-05-31 | 山东理工大学 | A kind of preparation method of the flower-shaped nickel sulfide/foam nickel materials of graphene coated 3D |
CN107311229A (en) * | 2017-07-27 | 2017-11-03 | 成都理工大学 | A kind of sea urchin shape air electrode material and preparation method thereof |
Non-Patent Citations (1)
Title |
---|
JUN SONG CHEN,ET AL.: "Stainless Steel Mesh-Supported NiS Nanosheet Array as Highly Efficient Catalyst for Oxygen Evolution Reaction", 《ACS APPLIED MATERIALS & INTERFACES》 * |
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