CN109037703A - The preparation method and its application in zinc and air cell that a kind of surface has the bifunctional electrocatalyst of the fine nanometer package assembly of fold - Google Patents
The preparation method and its application in zinc and air cell that a kind of surface has the bifunctional electrocatalyst of the fine nanometer package assembly of fold Download PDFInfo
- Publication number
- CN109037703A CN109037703A CN201810707429.2A CN201810707429A CN109037703A CN 109037703 A CN109037703 A CN 109037703A CN 201810707429 A CN201810707429 A CN 201810707429A CN 109037703 A CN109037703 A CN 109037703A
- Authority
- CN
- China
- Prior art keywords
- fold
- package assembly
- fine
- bifunctional electrocatalyst
- ethyl alcohol
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- H01M4/8825—Methods for deposition of the catalytic active composition
-
- 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
-
- 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
-
- 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
- H01M4/9041—Metals or alloys
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Catalysts (AREA)
Abstract
The preparation method for having the bifunctional electrocatalyst of the fine nanometer package assembly of fold the invention discloses a kind of surface and its application in zinc and air cell, belong to zinc and air cell catalyst technical field.Technical solution of the present invention main points are as follows: fold fine structure directed agents are introduced on presoma MOF, its surface is set to introduce element sulphur while forming fold fine nanometer package assembly, introduce nickel source dopant and magnesium source doping agent respectively again, synthetic surface has the bifunctional electrocatalyst of the fine nanometer package assembly of fold at normal temperature.Nanometer electrical catalyst prepared by the present invention is with the fine package assembly of surface folding and has hollow structure feature, increases specific surface area, therefore increase the contact area of catalyst and electrolyte, improves its electrocatalysis characteristic.Obtained bifunctional electrocatalyst has preferable ORR and OER catalytic activity in the present invention, on zinc and air cell with good application prospect.
Description
Technical field
The invention belongs to zinc and air cell catalyst technical fields, and in particular to a kind of surface has the fine nanometer assembling of fold
The preparation method of the bifunctional electrocatalyst of structure and its application in zinc and air cell.
Background technique
As a kind of new energy conversion equipment, zinc and air cell has many advantages, such as that environmental-friendly, energy conversion efficiency is high,
There is experimental application in many fields, get more and more extensive concerning of people.Furthermore zinc and air cell is small in size, charge capacity
Greatly, quality is small, can work normally within the scope of broad temperature, is corrosion-free and safe and reliable.Relative to closed system
For lithium ion battery, since zinc and air cell is Semi-open system, oxygen is provided with the air in environment, reduces air electrode
Energy density is increased while volume.Therefore, zinc and air cell has extraordinary application prospect.
In zinc and air cell, the key factor for restricting its development is electrode catalyst agent material, and catalyst is zinc and air cell
Core component, and determine the critical material of battery cost and performance.Common catalyst has noble metal catalyst and non-
Noble metal catalyst, but noble metal reserves are few, it is expensive；And individually base metal is difficult to play intrinsic catalysis work
Property.Therefore, develop the catalyst that a kind of price is low, performance is high be have in zinc and air cell catalyst synthesis technology field it is to be solved
One of major issue.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of surfaces to have the difunctional of the fine nanometer package assembly of fold
The preparation method of elctro-catalyst, the ORR and OER that bifunctional electrocatalyst made from this method can be used in being catalyzed zinc and air cell are anti-
It answers, effectively increases the chemical property of zinc and air cell.
The present invention adopts the following technical scheme that solve above-mentioned technical problem, and a kind of surface has the fine nanometer assembling of fold
The preparation method of the bifunctional electrocatalyst of structure, it is characterised in that detailed process are as follows: it is fine that fold is introduced on presoma MOF
Structure directing agent makes its surface introduce element sulphur while forming fold fine nanometer package assembly, then introduces nickel source respectively and mix
Miscellaneous dose and the agent of magnesium source doping, synthetic surface has the bifunctional electrocatalyst of the fine nanometer package assembly of fold at normal temperature,
Middle presoma MOF is ZIF-67, and fold fine structure directed agents are 2-mercaptobenzothiazole or 2-mercaptobenzimidazole, and nickel source is mixed
Miscellaneous dose is nickel nitrate, and magnesium source doping agent is magnesium nitrate.
Further preferably, the surface has the preparation side of the bifunctional electrocatalyst of the fine nanometer package assembly of fold
Method, it is characterised in that specific steps are as follows:
Step S1: 249mg cobalt nitrate and 328mg 2-methylimidazole are added in 50mL methanol and are uniformly mixed, room temperature
For 24 hours, with ethyl alcohol centrifuge washing, vacuum drying obtains presoma MOF to lower standing afterwards for several times；
Step S2: presoma MOF and fold fine structure directed agents that step S1 is obtained are added in ethyl alcohol and pass through water-bath
It is heated to 6 ~ 8h of back flow reaction, repeatedly vacuum drying obtains surface with the fine nanometer assembling knot of fold afterwards with ethyl alcohol centrifuge washing
The purple sample of structure；
Step S3: there is the purple sample of the fine nanometer package assembly of fold and nickel source dopant to add the surface that step S2 is obtained
Enter into ethyl alcohol and stir under room temperature 6 ~ 8h, repeatedly vacuum drying obtains having the shallow of hollow structure afterwards with ethyl alcohol centrifuge washing
Green sample；
Step S4: by the obtained light green color sample with hollow structure of step S3 and magnesium source doping agent be added in ethyl alcohol and in
Stir 6 ~ 8h under room temperature, be repeatedly dried in vacuo afterwards with ethyl alcohol centrifuge washing, then by the sample after drying in air atmosphere with 5 ~
The heating rate of 10 DEG C/min is warming up to 200 ~ 300 DEG C of 1 ~ 2h of calcining, finally obtains hollow and surface with the fine nanometer of fold
The dodecahedron shape bifunctional electrocatalyst of package assembly, the average grain diameter of the bifunctional electrocatalyst are 500nm, shell thickness
For 15 ~ 20nm.
Further preferably, presoma MOF described in step S2 and the mass ratio of fold fine structure directed agents are 2.5:1；
It is 2.5 that surface described in step S3, which has the purple sample of the fine nanometer package assembly of fold and the mass ratio of nickel source dopant:
1；The mass ratio of magnesium source doping agent described in step S4 and nickel source dopant is 3:1.
Surface of the present invention has the bifunctional electrocatalyst of the fine nanometer package assembly of fold in the empty electricity of catalysis zinc
Application in pond ORR and OER reaction, the fine nanometer package assembly of the fold on bifunctional electrocatalyst surface increase catalyst
Specific surface area, and then the contact area of catalyst and electrolyte is increased, so that catalyst is fully played its activity, difunctional electricity
The synergistic effect between them containing W metal, Co and Mg and has effectively been played in catalyst simultaneously, have good ORR and
OER catalytic activity.
Compared with the prior art, the present invention has the following advantages:
1, the present invention successfully synthesizes a kind of using MOF as the zinc and air cell bifunctional electrocatalyst of presoma, sulfur alcohol compound
The addition ligand that keeps it original with presoma MOF form Competition, change the coordination ring of the surface presoma MOF part
Border, so that synthesized sample surfaces form the fine nanometer package assembly of fold, which increase bifunctional electrocatalysts
Specific surface area, its contact area with electrolyte is increased, to improve the electrocatalysis characteristic of catalyst.
2, the introducing of nickel source dopant is acted on by its stronger and ligand, can generate corrasion to make to be catalyzed
Agent forms hollow structure, this also effectively increases the specific surface area of material, increases the contact area with electrolyte, improves
The electrocatalysis characteristic of catalyst.
3, the specific adding manner and ratio of magnesium makes it on this basis instead of the nickel and cobalt of part in catalyst
It obtains and has preferably played synergistic effect between each metal component, the dispersibility of catalyst is improved, to improve catalyst
Catalytic activity.
4, using MOF as precursor preparation bifunctional electrocatalyst in the present invention, there is special preparation process, catalyst warp
Its crystallinity is increased after calcining, also substantially increases its catalytic performance, while also maintaining its intact pattern, is a kind of new
The zinc and air cell bifunctional electrocatalyst synthetic method of type.
Detailed description of the invention
Fig. 1 is the SEM figure that catalyst is made in embodiment 1；
Fig. 2 is the SEM figure that catalyst is made in embodiment 2；
Fig. 3 is the SEM figure that catalyst is made in comparative example 1；
Fig. 4 is the ORR polarization curve of embodiment 1, embodiment 2 and comparative example 1, catalyst obtained by comparative example 2 and comparative example 3；
Fig. 5 is the OER polarization curve of embodiment 1, embodiment 2 and comparative example 1, catalyst obtained by comparative example 2 and comparative example 3.
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.
Electro-chemical test uses three electrode body of Solartron 1287(Solartron Analytical, England) type
The half-cell of system carries out.To be coated with the glass-carbon electrode of catalyst as working electrode, wherein catalyst be embodiment 1, embodiment 2,
Final catalyst obtained by comparative example 1, comparative example 2 and comparative example 3, is respectively 1cm to electrode and reference electrode2Platinized platinum and
Ag/AgCl saturated calomel electrode, electrolyte are 0.1M KOH aqueous solution.To keep catalyst well attached on glass-carbon electrode, make
Glass-carbon electrode is cleaned with secondary water and is dried at room temperature for.The preparation step of thin layer catalyst is as follows on electrode: taking 5mg catalyst
Adding 0.5mL ethyl alcohol and 50 μ L mass concentrations is 5% perfluorinated sulfonic acid (PFSA) solution, and ultrasonic disperse about 30min uses micro-sampling
Device takes 15 μ L to be coated on bright and clean glass-carbon electrode through the uniform suspension of ultrasonic disperse, can test after being dried at room temperature for, electricity
The performance test results are as shown in Figure 4 and Figure 5.
Embodiment 1
Step S1: 249mg cobalt nitrate and 328mg 2-methylimidazole are added in 50mL methanol and are uniformly mixed, room temperature
For 24 hours, with ethyl alcohol centrifuge washing, vacuum drying obtains presoma MOF to lower standing afterwards for several times；
Step S2: presoma MOF and 20mg the fold fine structure directed agents 2-mercaptobenzothiazole that 50mg step S1 is obtained
It is added in 25mL ethyl alcohol and passes through heating water bath to back flow reaction 7h, repeatedly vacuum drying obtains table afterwards with ethyl alcohol centrifuge washing
Face has the purple sample of the fine nanometer package assembly of fold；
Step S3: the surface that 50mg step S2 is obtained has the purple sample and 20mg nickel source of the fine nanometer package assembly of fold
Dopant nickel nitrate is added in 25mL ethyl alcohol and stirs 7h under room temperature, and with ethyl alcohol centrifuge washing, repeatedly vacuum drying is obtained afterwards
Light green color sample with hollow structure；
Step S4: the obtained light green color sample with hollow structure of step S3 and 60mg magnesium source doping agent magnesium nitrate are added to
7h is stirred in 25mL ethyl alcohol and under room temperature, is repeatedly dried in vacuo afterwards with ethyl alcohol centrifuge washing, then by the sample after drying in sky
300 DEG C of calcining 1h are warming up to the heating rate of 5 DEG C/min in gas atmosphere, hollow and surface is finally obtained and is finely received with fold
The dodecahedron shape bifunctional electrocatalyst of rice package assembly, the average grain diameter of the bifunctional electrocatalyst are 500nm, and shell is thick
Degree is 15 ~ 20nm, as shown in Figure 1.
Embodiment 2
Step S1: 249mg cobalt nitrate and 328mg 2-methylimidazole are added in 50mL methanol and are uniformly mixed, room temperature
For 24 hours, with ethyl alcohol centrifuge washing, vacuum drying obtains presoma MOF to lower standing afterwards for several times；
Step S2: presoma MOF and 20mg the fold fine structure directed agents 2-mercaptobenzimidazole that 50mg step S1 is obtained
It is added in 25mL ethyl alcohol and passes through heating water bath to back flow reaction 7h, repeatedly vacuum drying obtains table afterwards with ethyl alcohol centrifuge washing
Face has the purple sample of the fine nanometer package assembly of fold；
Step S3: the surface that 50mg step S2 is obtained has the purple sample and 20mg nickel source of the fine nanometer package assembly of fold
Dopant nickel nitrate is added in 25mL ethyl alcohol and stirs 7h under room temperature, and with ethyl alcohol centrifuge washing, repeatedly vacuum drying is obtained afterwards
Light green color sample with hollow structure；
Step S4: the obtained light green color sample with hollow structure of step S3 and 60mg magnesium source doping agent magnesium nitrate are added to
7h is stirred in 25mL ethyl alcohol and under room temperature, is repeatedly dried in vacuo afterwards with ethyl alcohol centrifuge washing, then by the sample after drying in sky
200 DEG C of calcining 2h are warming up to the heating rate of 10 DEG C/min in gas atmosphere, it is fine with fold to finally obtain hollow and surface
The dodecahedron shape bifunctional electrocatalyst of nanometer package assembly, the average grain diameter of the bifunctional electrocatalyst are 500nm, shell
With a thickness of 15 ~ 20nm, as shown in Figure 2.
Comparative example 1
Step S1: 249mg cobalt nitrate and 328mg 2-methylimidazole are added in 50mL methanol and are uniformly mixed, room temperature
For 24 hours, with ethyl alcohol centrifuge washing, vacuum drying obtains presoma MOF to lower standing afterwards for several times；
Step S2: presoma MOF and 20mg the nickel source dopant nickel nitrate that 50mg step S1 is obtained is added in 25mL ethyl alcohol
And 7h is stirred under room temperature, with ethyl alcohol centrifuge washing, repeatedly vacuum drying obtains light green color sample afterwards；
Step S3: by light green color sample and 60mg magnesium source doping agent magnesium nitrate that step S2 is obtained be added in 25mL ethyl alcohol and in
Stir 7h under room temperature, be repeatedly dried in vacuo afterwards with ethyl alcohol centrifuge washing, then by the sample after drying in air atmosphere with 5 DEG C/
The heating rate of min is warming up to 300 DEG C of calcining 1h, finally obtains the smooth target with hollow dodecahedron structure in surface and urges
Agent, as shown in Figure 3.
Comparative example 2
Step S1: 249mg cobalt nitrate and 328mg 2-methylimidazole are added in 50mL methanol and are uniformly mixed, room temperature
For 24 hours, with ethyl alcohol centrifuge washing, vacuum drying obtains presoma MOF to lower standing afterwards for several times；
Step S2: presoma MOF and 20mg the fold fine structure directed agents 2-mercaptobenzothiazole that 50mg step S1 is obtained
It is added in 25mL ethyl alcohol and passes through heating water bath to back flow reaction 7h, repeatedly vacuum drying obtains table afterwards with ethyl alcohol centrifuge washing
Face has the purple sample of the fine nanometer package assembly of fold；
Step S3: the surface that step S2 is obtained has the purple sample and 60mg magnesium source doping of the fine nanometer package assembly of fold
Agent magnesium nitrate is added in 25mL ethyl alcohol and stirs 7h under room temperature, is repeatedly dried in vacuo afterwards with ethyl alcohol centrifuge washing, then will do
Sample after dry is warming up to 300 DEG C of calcining 1h in air atmosphere with the heating rate of 5 DEG C/min, and finally obtaining surface has essence
The solid dodecahedron shape final catalyst of thin nanometer package assembly.
Comparative example 3
Step S1: 249mg cobalt nitrate and 328mg 2-methylimidazole are added in 50mL methanol and are uniformly mixed, room temperature
For 24 hours, with ethyl alcohol centrifuge washing, vacuum drying obtains presoma MOF to lower standing afterwards for several times；
Step S2: presoma MOF and 20mg the fold fine structure directed agents 2-mercaptobenzothiazole that 50mg step S1 is obtained
It is added in 25mL ethyl alcohol and passes through heating water bath to back flow reaction 7h, repeatedly vacuum drying obtains table afterwards with ethyl alcohol centrifuge washing
Face has the purple sample of the fine nanometer package assembly of fold；
Step S3: the surface that 50mg step S2 is obtained has the purple sample and 20mg nickel source of the fine nanometer package assembly of fold
Dopant nickel nitrate is added in 25mL ethyl alcohol and stirs 7h under room temperature, and with ethyl alcohol centrifuge washing, repeatedly vacuum drying is obtained afterwards
Final catalyst without magnesium component.
Zinc and air cell bifunctional electrocatalyst obtained by the present invention has good ORR and OER catalytic activity.From Fig. 4
It is prepared with the embodiment 1 and embodiment 2 that can be seen that introducing fold fine structure directed agents in the electric performance test result of Fig. 5
Bifunctional electrocatalyst all have biggish limiting current density and half wave potential, obtained by comparative example, with corrugationless essence
Thin nanostructure or the catalyst without nickel source dopant or without magnesium source doping agent are compared, and difunctional electricity made from embodiment 1 ~ 2 is urged
Agent has best double-function catalyzing activity；The fine nanometer package assembly of the fold on one side bifunctional electrocatalyst surface increases
The big specific surface area of catalyst, therefore the contact area of catalyst and electrolyte is increased, so that catalyst is fully played it
Activity；The collaboration between them containing W metal, Co and Mg and has effectively been played in another aspect bifunctional electrocatalyst simultaneously
Effect.Surface produced by the present invention has the electro catalytic activity performance of the bifunctional electrocatalyst of the fine nanometer package assembly of fold
It is excellent, it is 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. the preparation method that a kind of surface has the bifunctional electrocatalyst of the fine nanometer package assembly of fold, it is characterised in that tool
Body process are as follows: introduce fold fine structure directed agents on presoma MOF, its surface is made to form the fine nanometer package assembly of fold
While introduce element sulphur, then introduce nickel source dopant and magnesium source doping agent respectively, synthetic surface has fold essence at normal temperature
The bifunctional electrocatalyst of thin nanometer package assembly, wherein presoma MOF is ZIF-67, and fold fine structure directed agents are 2- mercapto
Base benzothiazole or 2-mercaptobenzimidazole, nickel source dopant are nickel nitrate, and magnesium source doping agent is magnesium nitrate.
2. the preparation side that surface according to claim 1 has the bifunctional electrocatalyst of the fine nanometer package assembly of fold
Method, it is characterised in that specific steps are as follows:
Step S1: 249mg cobalt nitrate and 328mg 2-methylimidazole are added in 50mL methanol and are uniformly mixed, room temperature
For 24 hours, with ethyl alcohol centrifuge washing, vacuum drying obtains presoma MOF to lower standing afterwards for several times；
Step S2: presoma MOF and fold fine structure directed agents that step S1 is obtained are added in ethyl alcohol and pass through water-bath
It is heated to 6 ~ 8h of back flow reaction, repeatedly vacuum drying obtains surface with the fine nanometer assembling knot of fold afterwards with ethyl alcohol centrifuge washing
The purple sample of structure；
Step S3: there is the purple sample of the fine nanometer package assembly of fold and nickel source dopant to add the surface that step S2 is obtained
Enter into ethyl alcohol and stir under room temperature 6 ~ 8h, repeatedly vacuum drying obtains having the shallow of hollow structure afterwards with ethyl alcohol centrifuge washing
Green sample；
Step S4: by the obtained light green color sample with hollow structure of step S3 and magnesium source doping agent be added in ethyl alcohol and in
Stir 6 ~ 8h under room temperature, be repeatedly dried in vacuo afterwards with ethyl alcohol centrifuge washing, then by the sample after drying in air atmosphere with 5 ~
The heating rate of 10 DEG C/min is warming up to 200 ~ 300 DEG C of 1 ~ 2h of calcining, finally obtains hollow and surface with the fine nanometer of fold
The dodecahedron shape bifunctional electrocatalyst of package assembly, the average grain diameter of the bifunctional electrocatalyst are 500nm, shell thickness
For 15 ~ 20nm.
3. the preparation side that surface according to claim 2 has the bifunctional electrocatalyst of the fine nanometer package assembly of fold
Method, it is characterised in that: the mass ratio of presoma MOF described in step S2 and fold fine structure directed agents is 2.5:1；Step S3
Described in surface have the fine nanometer package assembly of fold purple sample and nickel source dopant mass ratio be 2.5:1；Step
The mass ratio of the agent of magnesium source doping described in S4 and nickel source dopant is 3:1.
4. surface made from method described in any one of -3 has the fine nanometer package assembly of fold according to claim 1
Application of the bifunctional electrocatalyst in catalysis zinc and air cell ORR and OER reaction, the fold on bifunctional electrocatalyst surface are fine
Nanometer package assembly increases the specific surface area of catalyst, and then increases the contact area of catalyst and electrolyte, makes to be catalyzed
Agent fully plays its activity, contains W metal, Co and Mg in bifunctional electrocatalyst simultaneously and has effectively played between them
Synergistic effect, have good ORR and OER catalytic activity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810707429.2A CN109037703A (en) | 2018-07-02 | 2018-07-02 | The preparation method and its application in zinc and air cell that a kind of surface has the bifunctional electrocatalyst of the fine nanometer package assembly of fold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810707429.2A CN109037703A (en) | 2018-07-02 | 2018-07-02 | The preparation method and its application in zinc and air cell that a kind of surface has the bifunctional electrocatalyst of the fine nanometer package assembly of fold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109037703A true CN109037703A (en) | 2018-12-18 |
Family
ID=65521213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810707429.2A Withdrawn CN109037703A (en) | 2018-07-02 | 2018-07-02 | The preparation method and its application in zinc and air cell that a kind of surface has the bifunctional electrocatalyst of the fine nanometer package assembly of fold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109037703A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113481532A (en) * | 2021-08-12 | 2021-10-08 | 河南师范大学 | Preparation method and application of bifunctional electrocatalyst |
| CN115094464A (en) * | 2022-07-05 | 2022-09-23 | 河南师范大学 | Preparation method of water decomposition dual-function electrocatalyst |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102356507A (en) * | 2009-03-18 | 2012-02-15 | 昭和电工株式会社 | Catalyst for air battery, and air battery using same |
| CN104014367A (en) * | 2014-06-11 | 2014-09-03 | 国家纳米科学中心 | Carbon-based non-metallic oxygen reduction catalyst as well as preparation method and application thereof |
| CN104264209A (en) * | 2014-10-11 | 2015-01-07 | 东南大学 | Foamy copper with controllable wettability as well as preparation method and multifunctional oil-water separating method of foamy copper |
| CN105688867A (en) * | 2016-03-10 | 2016-06-22 | 商丘师范学院 | Hexagonal prism type graphene-metal organic framework composite material as well as preparation method thereof |
| CN107271515A (en) * | 2017-06-21 | 2017-10-20 | 南京工业大学 | A kind of preparation method and applications of stratiform nickel cobalt hydroxide |
-
2018
- 2018-07-02 CN CN201810707429.2A patent/CN109037703A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102356507A (en) * | 2009-03-18 | 2012-02-15 | 昭和电工株式会社 | Catalyst for air battery, and air battery using same |
| CN104014367A (en) * | 2014-06-11 | 2014-09-03 | 国家纳米科学中心 | Carbon-based non-metallic oxygen reduction catalyst as well as preparation method and application thereof |
| CN104264209A (en) * | 2014-10-11 | 2015-01-07 | 东南大学 | Foamy copper with controllable wettability as well as preparation method and multifunctional oil-water separating method of foamy copper |
| CN105688867A (en) * | 2016-03-10 | 2016-06-22 | 商丘师范学院 | Hexagonal prism type graphene-metal organic framework composite material as well as preparation method thereof |
| CN107271515A (en) * | 2017-06-21 | 2017-10-20 | 南京工业大学 | A kind of preparation method and applications of stratiform nickel cobalt hydroxide |
Non-Patent Citations (1)
| Title |
|---|
| ZHEN JIANG等: ""LDH nanocages synthesized with MOF templates and their high performance as supercapacitors"", 《NANOSCALE》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113481532A (en) * | 2021-08-12 | 2021-10-08 | 河南师范大学 | Preparation method and application of bifunctional electrocatalyst |
| CN113481532B (en) * | 2021-08-12 | 2024-04-12 | 河南师范大学 | Preparation method and application of bifunctional electrocatalyst |
| CN115094464A (en) * | 2022-07-05 | 2022-09-23 | 河南师范大学 | Preparation method of water decomposition dual-function electrocatalyst |
| CN115094464B (en) * | 2022-07-05 | 2024-05-14 | 河南师范大学 | Preparation method of water-splitting bifunctional electrocatalyst |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zhu et al. | Multi-scale study on bifunctional Co/Fe–N–C cathode catalyst layers with high active site density for the oxygen reduction reaction | |
| CN105552393B (en) | A kind of alkaline water system metal-air batteries bifunctional catalyst and preparation method thereof | |
| Singh et al. | Electrochemical Studies on Protective Thin Co3 O 4 and NiCo2 O 4 Films Prepared on Titanium by Spray Pyrolysis for Oxygen Evolution | |
| CN108963278A (en) | A kind of preparation method for having the function of hollow polyhedral nanocages microstructure and adulterating carbon material supported alloy double elctro-catalyst | |
| CN113270595B (en) | Nitrogen-doped carbon-supported non-noble metal nano catalyst prepared based on MOF | |
| CN106328960A (en) | ZIF-67 template method for preparing cobalt-platinum core-shell particle/porous carbon composite material and catalytic application of composite material in cathode of fuel cell | |
| KR100691117B1 (en) | Ruthenium-rhodium alloy electrode catalyst and fuel cell comprising the same | |
| CN110504472A (en) | A kind of direct methanol fuel cell membrane electrode and preparation method thereof improving catalyst utilization | |
| CN104393307B (en) | Air electrode based on carbon-free Ag-Cu catalyst layer and preparation method thereof | |
| CN108987759A (en) | The application of nickel, cobalt, sulphur, boron codope carbon material in zinc-air battery catalyst | |
| CN108311151B (en) | oxygen evolution electrocatalyst based on nickel-iron alloy/nickel-cobalt oxide binary composite material and preparation method thereof | |
| CN102306810A (en) | Composite catalyst of self-humidifying fuel cell and manufacturing method and application thereof | |
| CN109037709A (en) | A kind of elctro-catalyst nickel, cobalt, the preparation method of phosphor codoping carbon material and its application in zinc-air battery | |
| CN105702973A (en) | Surface modification method of catalyst used for fuel cells | |
| CN107482234A (en) | A kind of preparation method of the carbon material supported palladium-copper alloy fuel-cell catalyst of sulphur, nitrogen, cobalt codope | |
| CN110165233A (en) | Catalyst of fuel batter with proton exchange film and preparation method thereof | |
| CN112002915B (en) | Oxygen electrode bifunctional catalyst, preparation method and application | |
| CN100474670C (en) | Method for producing carbon-carrying platinum-based alloy electrode | |
| CN108315761A (en) | A kind of preparation method of water electrolysis hydrogen production three nickel of curing-nickel electrode material | |
| Maumau et al. | Electro-oxidation of alcohols using carbon supported gold, palladium catalysts in alkaline media | |
| Beydaghi et al. | Preparation and Characterization of Electrocatalyst Nanoparticles for Direct Methanol Fuel Cell Applications Using β-D-glucose as Protection Agent | |
| CN109037703A (en) | The preparation method and its application in zinc and air cell that a kind of surface has the bifunctional electrocatalyst of the fine nanometer package assembly of fold | |
| Mai et al. | Integrating ZnCo 2 O 4 submicro/nanospheres with Co x Se y nanosheets for the oxygen evolution reaction and zinc–air batteries | |
| CN109037710A (en) | A kind of preparation method of zinc and air cell catalyst and its application in catalysis ORR, OER and HER reaction | |
| CN106953104B (en) | It is a kind of using redox graphene as the elctro-catalyst and preparation method thereof of the Ni@Au@Pd three-layer nuclear shell structure of carrier |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181218 |
|
| WW01 | Invention patent application withdrawn after publication |