CN110444779A - A kind of preparation method of the Co-LDH zinc and air cell catalyst of laminated structure - Google Patents
A kind of preparation method of the Co-LDH zinc and air cell catalyst of laminated structure Download PDFInfo
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- CN110444779A CN110444779A CN201910684511.2A CN201910684511A CN110444779A CN 110444779 A CN110444779 A CN 110444779A CN 201910684511 A CN201910684511 A CN 201910684511A CN 110444779 A CN110444779 A CN 110444779A
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- ldh
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- 239000003054 catalyst Substances 0.000 title claims abstract description 48
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 46
- 239000011701 zinc Substances 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 150000004985 diamines Chemical class 0.000 claims abstract description 12
- 230000003197 catalytic effect Effects 0.000 claims abstract description 11
- 229940011182 cobalt acetate Drugs 0.000 claims abstract description 11
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 claims abstract description 11
- 238000005406 washing Methods 0.000 claims abstract description 11
- LXBGSDVWAMZHDD-UHFFFAOYSA-N 2-methyl-1h-imidazole Chemical compound CC1=NC=CN1 LXBGSDVWAMZHDD-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000012153 distilled water Substances 0.000 claims abstract description 9
- XLSZMDLNRCVEIJ-UHFFFAOYSA-N methylimidazole Natural products CC1=CNC=N1 XLSZMDLNRCVEIJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003792 electrolyte Substances 0.000 claims abstract description 6
- 230000001476 alcoholic effect Effects 0.000 claims abstract description 5
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims abstract description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 30
- 238000003756 stirring Methods 0.000 claims description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- 238000001354 calcination Methods 0.000 claims description 6
- 235000019441 ethanol Nutrition 0.000 claims description 5
- 239000000047 product Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000003411 electrode reaction Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000001291 vacuum drying Methods 0.000 claims description 2
- 230000001588 bifunctional effect Effects 0.000 abstract description 6
- 239000010411 electrocatalyst Substances 0.000 abstract description 6
- 239000011258 core-shell material Substances 0.000 abstract 1
- 239000013067 intermediate product Substances 0.000 description 11
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 235000010663 Lavandula angustifolia Nutrition 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 244000178870 Lavandula angustifolia Species 0.000 description 4
- 239000001102 lavandula vera Substances 0.000 description 4
- 235000018219 lavender Nutrition 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 229910052723 transition metal Inorganic materials 0.000 description 4
- 150000003624 transition metals Chemical class 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000002135 nanosheet Substances 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 229910021397 glassy carbon Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 244000041506 Lavandula officinalis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 239000012621 metal-organic framework Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013110 organic ligand Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001338 self-assembly Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
Classifications
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- 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
-
- 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
- H01M4/90—Selection of catalytic material
- H01M4/9016—Oxides, hydroxides or oxygenated metallic salts
-
- 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
- H01M12/04—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
- H01M12/06—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Nanotechnology (AREA)
- Composite Materials (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Catalysts (AREA)
- Hybrid Cells (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses a kind of preparation methods of the Co-LDH zinc and air cell catalyst of laminated structure, and cobalt acetate and diamine are dissolved in distilled water, transfer in 120 DEG C of holding 6h in reaction kettle, washing is dried to obtain Co (OH) afterwards for several times2And it is scattered in alcoholic solution and obtains reserve liquid, add methylimidazole, reaction solution is transferred in reaction kettle after reaching chelating balance and in 100 DEG C of holdings 16h, reaction product is washed to the Co-LDH zinc and air cell catalyst with a thickness of 5-10nm for being dried to obtain laminated structure afterwards for several times.Bifunctional electrocatalyst in the present invention with core-shell structure has biggish specific surface area, and active site exposure is more, and can preferably contact with electrolyte, can effectively improve the electro catalytic activity of bifunctional electrocatalyst.
Description
Technical field
The invention belongs to zinc and air cell catalyst technical fields, and in particular to a kind of Co-LDH zinc and air cell of laminated structure
The preparation method of catalyst.
Background technique
Zinc and air cell has the advantages such as high-energy-density, low cost, pollution-free, in many fields as a kind of clean energy resource
There is experimental application, becomes the hot spot of Recent study.Catalyst is core component in zinc and air cell, and is determined
The critical material of battery cost and performance.In recent years, the research about zinc and air cell catalyst emerges one after another, however, synthesis ORR
It is still challenging with OER bifunctional electrocatalyst.Therefore, a kind of bifunctional electrocatalyst is developed to be catalyzed as zinc and air cell
Agent synthesis technical field has one of major issue to be solved.
Recently, the synthesis of many transition metal base elctro-catalysts, such as transition metal hydroxide, due to it are had been realized in
High latent active, perfect stability, brilliant electric conductivity are applied to OER reaction, have caused the extensive concern of people.Its
Middle transition metal hydroxide specific surface area is larger, and active site exposure is more, and can preferably contact with electrolyte, has good
Good OER performance, however it is unstable, is easy to happen reunion, these deficiencies restrict the application of transition metal hydroxide.
Metal organic frame (MOFs) is the crystalline material being self-assembly of by inorganic metal and organic ligand, because having knot
A series of superior properties such as structure is various, pore size is adjustable, skeleton can be modified, performance is controllable, cause the extensive of people
Concern.Itself and its derivative have great potentiality in electro-catalysis application aspect, are used as bifunctional electrocatalyst and carry out
In-depth study.The changeability of its structure ZIF-67 be converted into metal hydroxides to become easy.Pass through selection
ZIF-67 prepares Co-LDH as cobalt source and from template is sacrificed, its ORR/OER performance and stability can be improved.
Summary of the invention
That the technical problem to be solved by the present invention is to provide a kind of easy to operate, reaction conditions is mild, reaction efficiency is higher and
The preparation method of the Co-LDH zinc and air cell catalyst of the lower laminated structure of energy consumption.
The present invention adopts the following technical scheme that solve above-mentioned technical problem, a kind of Co-LDH zinc and air cell of laminated structure
The preparation method of catalyst, it is characterised in that specific steps are as follows:
Step S1: cobalt acetate and diamine are dissolved in distilled water, obtain uniform and stable solution in 25 DEG C of stirring 10min, then will be equal
Even stablizing solution is transferred in the stainless steel cauldron of polytetrafluoroethyllining lining in 120 DEG C of holding 6h, to reaction kettle natural cooling
To room temperature, reaction product washing is dried to obtain Co (OH) afterwards for several times2, then by Co (OH)2Ultrasonic disperse obtains Co in alcoholic solution
(OH)2Reserve liquid；
Step S2: the Co (OH) obtained to step S12Methylimidazole is added in reserve liquid, reaches reaction solution after chelating balances
It is transferred in the stainless steel cauldron of polytetrafluoroethyllining lining and in 100 DEG C of holding 16h, to reaction kettle cooled to room temperature,
By reaction product washing, vacuum drying obtains the Co-LDH zinc and air cell catalyst with a thickness of 5-10nm of laminated structure afterwards for several times；
The Co-LDH zinc and air cell catalyst shows the difunctional electro catalytic activity of higher OER, ORR, has laminated structure
Co-LDH zinc and air cell catalyst ideal solid-liquid-gas threephase region can be provided for electrode reaction, mentioned for the transmission of electrolyte
For more multichannel, and then the specific surface area of zinc and air cell catalyst is improved, increases the catalytic activity of zinc and air cell catalyst, simultaneously
Target product is obtained under the conditions of non-calcinated, is avoided because calcining causes duct to collapse, and is avoided because calcining causes Co-
LDH structure variation has contained the tendency of electrical property decaying.
Preferably, the mass ratio that feeds intake of cobalt acetate described in step S1 and diamine is 1:5-5:1.
Preferably, alcoholic solution described in step S1 is methanol, ethyl alcohol or isopropanol.
Preferably, Co described in step S2 (OH)2The mass ratio that feeds intake with methylimidazole is 1:25-25:1.
Compared with the prior art, the invention has the following beneficial effects:
1, the Co-LDH bifunctional electrocatalyst of laminated structure that the present invention synthesizes, synthetic method is easy to operate, reaction condition
Mildly, reaction efficiency is higher and energy consumption is lower；
2, Co-LDH zinc and air cell catalyst produced by the present invention has biggish specific surface area, and active site exposure is more, and
And can preferably be contacted with electrolyte, it can effectively improve the electro catalytic activity of zinc and air cell catalyst；
3, alkaline environment is provided with diamine in the present invention, play the guiding role to the synthesis of Co-LDH zinc and air cell catalyst, effectively
It ensure that the formation of laminated structure Co-LDH zinc and air cell catalyst；
4, the Co-LDH zinc and air cell catalyst for the laminated structure that the present invention synthesizes, laminated structure are realized in non-calcinated condition
Lower Co-LDH composite material has both the difunctional electro catalytic activity of OER, ORR, has broad application prospects on zinc and air cell.
Detailed description of the invention
Fig. 1 is the SEFEM figure of two-dimensional nano sheet Co-LDH zinc and air cell catalyst made from embodiment 1；
Fig. 2 is the SEM figure of two-dimensional nano sheet Co-LDH zinc and air cell catalyst made from embodiment 2；
Fig. 3 is product made from embodiment 1 and comparative example 1 and the electrochemical property test figure of commercially available CoO.
Specific embodiment
Above content of the invention is described in further details by the following examples, but this should not be interpreted as to this
The range for inventing above-mentioned theme is only limitted to embodiment below, and all technologies realized based on above content of the present invention belong to this hair
Bright range.
Embodiment 1
It takes 0.249g cobalt acetate and 0.125g diamine to be dissolved in 30mL distilled water, stirs 10min at 25 DEG C, be finally transferred to gather
In 120 DEG C of holding 6h in the stainless steel autoclave of tetrafluoroethene liner, to reaction kettle cooled to room temperature, through secondary water washing
It is placed in oven and dried 12h afterwards for several times and obtains the intermediate product Co (OH) of pink colour2；By the above-mentioned pink colour intermediate product Co (OH) of 40mg2
0.985g methylimidazole is added after being uniformly dispersed, is transferred to after stirring 30min poly- in 60mL methanol solution for ultrasonic disperse
In the reaction kettle of tetrafluoroethene liner and in 100 DEG C of holding 16h, to be washed for several times with methanol after reaction, then in vacuum
Lavender Co-LDH zinc and air cell catalyst is dried to obtain in drying box.Co-LDH electricity made from the present embodiment is urged as shown in Figure 1
Agent is two-dimensional nano sheet structure, and thickness is between 5-10nm.
It takes Co-LDH zinc and air cell catalyst made from 2mg the present embodiment to be dispersed in alcohol dispersant, adds carbon black,
By mixed liquor ultrasound uniformly after be coated in glassy carbon electrode surface, using three-electrode system, which is measured by electrochemical workstation
The performance of agent, electric performance test result are as shown in Figure 3.
Embodiment 2
It takes 0.249g cobalt acetate and 0.063g diamine to be dissolved in 30mL distilled water, stirs 10min at 25 DEG C, be finally transferred to gather
In 120 DEG C of holding 6h in the stainless steel autoclave of tetrafluoroethene liner, to reaction kettle cooled to room temperature, through secondary water washing
It is placed in oven and dried 12h afterwards for several times and obtains the intermediate product Co (OH) of pink colour2, by the above-mentioned pink colour intermediate product Co (OH) of 40mg2
0.985g methylimidazole is added after being uniformly dispersed, is transferred to after stirring 30min poly- in 60mL methanol solution for ultrasonic disperse
In the reaction kettle of tetrafluoroethene liner and in 100 DEG C of holding 16h, to be washed for several times with methanol after reaction, then in vacuum
Lavender Co-LDH zinc and air cell catalyst is dried to obtain in drying box.
Embodiment 3
It takes 0.249g cobalt acetate and 0.125g diamine to be dissolved in 30mL distilled water, stirs 10min at 25 DEG C, be finally transferred to gather
In 120 DEG C of holding 6h in the stainless steel autoclave of tetrafluoroethene liner, to reaction kettle cooled to room temperature, through secondary water washing
It is placed in oven and dried 12h afterwards for several times and obtains the intermediate product Co (OH) of pink colour2, by the above-mentioned pink colour intermediate product Co (OH) of 40mg2
0.493g methylimidazole is added after being uniformly dispersed, is transferred to after stirring 30min poly- in 60mL methanol solution for ultrasonic disperse
In tetrafluoroethene water heating kettle and in 100 DEG C of holding 16h, to be washed for several times with methanol after reaction, then in vacuum oven
In be dried to obtain lavender Co-LDH zinc and air cell catalyst.
Embodiment 4
It takes 0.249g cobalt acetate and 0.125g diamine to be dissolved in 30mL distilled water, stirs 10min at 25 DEG C, be finally transferred to gather
In 120 DEG C of holding 6h in the stainless steel autoclave of tetrafluoroethene liner, to reaction kettle cooled to room temperature, through secondary water washing
It is placed in oven and dried 12h afterwards for several times and obtains the intermediate product Co (OH) of pink colour2, by the above-mentioned pink colour intermediate product Co (OH) of 40mg2
0.985g methylimidazole is added in 60mL ethanol solution in ultrasonic disperse after being uniformly dispersed, and shifts after stirring 30min
Then exist into the reaction kettle of polytetrafluoroethyllining lining and in 100 DEG C of holding 16h to be washed for several times with methanol after reaction
Lavender Co-LDH zinc and air cell catalyst is dried to obtain in vacuum oven.
Embodiment 5
It takes 0.249g cobalt acetate and 0.267g diamine to be dissolved in 30mL distilled water, stirs 10min at 25 DEG C, be finally transferred to gather
In 120 DEG C of holding 6h in the stainless steel autoclave of tetrafluoroethene liner, to reaction kettle cooled to room temperature, through secondary water washing
It is placed in oven and dried 12h afterwards for several times and obtains the intermediate product Co (OH) of pink colour2, by the above-mentioned pink colour intermediate product Co (OH) of 40mg2
0.985g methylimidazole is added in 60mL aqueous isopropanol in ultrasonic disperse after being uniformly dispersed, and is transferred to after stirring 30min
In the reaction kettle of polytetrafluoroethyllining lining and in 100 DEG C of holding 16h, to be washed for several times with methanol after reaction, then true
Lavender Co-LDH zinc and air cell catalyst is dried to obtain in empty drying box.
Comparative example 1
It takes 0.249g cobalt acetate and 0.125g diamine to be dissolved in 30mL distilled water, stirs 10min at 25 DEG C, be finally transferred to gather
In 120 DEG C of holding 6h in the stainless steel autoclave of tetrafluoroethene liner, to reaction kettle cooled to room temperature, through secondary water washing
It is placed in oven and dried 12h afterwards for several times and obtains the intermediate product Co (OH) of pink colour2。
Take Co made from this comparative example of 2mg (OH)2It is dispersed in alcohol dispersant as catalyst, adds carbon black, it will
It is coated in glassy carbon electrode surface after mixed liquor ultrasound is uniform, using three-electrode system, which is measured by electrochemical workstation
Performance, electric performance test result is as shown in Figure 3.
Zinc and air cell catalyst produced by the present invention has the difunctional electro catalytic activity of good OER, ORR.Fig. 3 electrical property
In test result, a is the ORR polarization curve of catalyst prepared by embodiment 1 and comparative example 1, and b is that embodiment 1 and comparative example 1 are made
The OER polarization curve of standby catalyst, compared with comparative example 1, zinc and air cell catalyst made from embodiment 1 is shown higher
The difunctional electro catalytic activity of OER, ORR；Co-LDH zinc and air cell catalyst provided by the invention with laminated structure can
Ideal solid-liquid-gas threephase region is provided for electrode reaction, provides more multichannel for the transmission of electrolyte, and then improve the empty electricity of zinc
The specific surface area of pond catalyst, increases the catalytic activity of elctro-catalyst, while target product is obtained under the conditions of non-calcinated, avoids
It because calcining causes duct to collapse, and avoids because calcining causes Co-LDH structure variation, has contained inclining for electrical property decaying
To showing that the electro catalytic activity of the Co-LDH zinc and air cell catalyst of laminated structure produced by the present invention is had excellent performance, be a kind of
Zinc and air cell catalyst with broad prospect of application.
Embodiment above describes basic principles and main features of the invention and advantage, the technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, under the range for not departing from the principle of the invention, various changes and improvements may be made to the invention, these changes and improvements are each fallen within
In the scope of protection of the invention.
Claims (4)
1. a kind of preparation method of the Co-LDH zinc and air cell catalyst of laminated structure, it is characterised in that specific steps are as follows:
Step S1: cobalt acetate and diamine are dissolved in distilled water, obtain uniform and stable solution in 25 DEG C of stirring 10min, then will be equal
Even stablizing solution is transferred in the stainless steel cauldron of polytetrafluoroethyllining lining in 120 DEG C of holding 6h, to reaction kettle natural cooling
To room temperature, reaction product washing is dried to obtain Co (OH) afterwards for several times2, then by Co (OH)2Ultrasonic disperse obtains Co in alcoholic solution
(OH)2Reserve liquid；
Step S2: the Co (OH) obtained to step S12Methylimidazole is added in reserve liquid, reaches reaction solution after chelating balances
It is transferred in the stainless steel cauldron of polytetrafluoroethyllining lining and in 100 DEG C of holding 16h, to reaction kettle cooled to room temperature,
By reaction product washing, vacuum drying obtains the Co-LDH zinc and air cell catalyst with a thickness of 5-10nm of laminated structure afterwards for several times；
The Co-LDH zinc and air cell catalyst shows the difunctional electro catalytic activity of higher OER, ORR, has laminated structure
Co-LDH zinc and air cell catalyst ideal solid-liquid-gas threephase region can be provided for electrode reaction, mentioned for the transmission of electrolyte
For more multichannel, and then the specific surface area of zinc and air cell catalyst is improved, increases the catalytic activity of zinc and air cell catalyst, simultaneously
Target product is obtained under the conditions of non-calcinated, is avoided because calcining causes duct to collapse, and is avoided because calcining causes Co-
LDH structure variation has contained the tendency of electrical property decaying.
2. the preparation method of the Co-LDH zinc and air cell catalyst of laminated structure according to claim 1, it is characterised in that:
The mass ratio that feeds intake of cobalt acetate described in step S1 and diamine is 1:5-5:1.
3. the preparation method of the Co-LDH zinc and air cell catalyst of laminated structure according to claim 1, it is characterised in that:
Alcoholic solution described in step S1 is methanol, ethyl alcohol or isopropanol.
4. the preparation method of the Co-LDH zinc and air cell catalyst of laminated structure according to claim 1, it is characterised in that:
Co described in step S2 (OH)2The mass ratio that feeds intake with methylimidazole is 1:25-25:1.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111668503A (en) * | 2020-07-20 | 2020-09-15 | 山东大学 | Bimetal sulfide lithium-air battery positive electrode material and preparation method and application thereof |
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| US20150233010A1 (en) * | 2014-02-14 | 2015-08-20 | The Board Of Trustees Of The University Of Alabama | Nanostructured electrodes and methods for the fabrication and use |
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| US20150233010A1 (en) * | 2014-02-14 | 2015-08-20 | The Board Of Trustees Of The University Of Alabama | Nanostructured electrodes and methods for the fabrication and use |
| CN107086312A (en) * | 2017-05-09 | 2017-08-22 | 天津大学 | The method for synthesizing cobalt protoxide and ferro-cobalt layered double hydroxide compound |
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| CN111668503A (en) * | 2020-07-20 | 2020-09-15 | 山东大学 | Bimetal sulfide lithium-air battery positive electrode material and preparation method and application thereof |
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