CN107313066A - Supported catalyst and its preparation method and application - Google Patents
Supported catalyst and its preparation method and application Download PDFInfo
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- CN107313066A CN107313066A CN201710605129.9A CN201710605129A CN107313066A CN 107313066 A CN107313066 A CN 107313066A CN 201710605129 A CN201710605129 A CN 201710605129A CN 107313066 A CN107313066 A CN 107313066A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
- C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
- C25B11/073—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
- C25B11/091—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds
- C25B11/095—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds at least one of the compounds being organic
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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
- H01M4/90—Selection of catalytic material
- H01M4/9041—Metals or alloys
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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
- H01M4/90—Selection of catalytic material
- H01M4/9075—Catalytic material supported on carriers, e.g. powder carriers
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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
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
This application discloses a kind of supported catalyst, including carrier and active component；The carrier includes containing Ir in melon cyclics, the active component.The supported catalyst reduces noble metal Ir consumption while catalyst activity is effectively improved.
Description
Technical field
The application is related to a kind of supported catalyst and its preparation method and application, belongs to catalyst field.
Background technology
Electro-catalysis oxygen evolution reaction is the important half-reaction of electrolysis water and lithium battery.And these reactions exactly obtain cleaning energy
Source or the important method in energy storage field.So evolving hydrogen reaction catalyst of the exploitation with excellent activity and good stability is
It is very necessary.
Iridium belongs to platinum group noble metal, and resource is very rare.But it is one of best catalyst of electrocatalytic hydrogen evolution reaction.
So how effectively to utilize iridium based catalyst or it is a study hotspot to improve its catalytic activity.
In existing synthesis nanoparticle catalyst system, synthesized nano particle is required for adding surface-active
Agent or protective agent, to prevent particle agglomeration.These surfactants can also play a part of adjusting nano particle pattern simultaneously.But
Be these surfactants can covering catalyst surface-active site and be very difficult to remove so that the catalytic activity of catalyst compared with
It is low.
The content of the invention
According to the one side of the application there is provided a kind of supported catalyst, the catalyst effectively increases catalyst
Catalytic activity, while reducing noble metal Ir consumption.
A kind of supported catalyst, including carrier and active component；The carrier includes melon cyclics, the work
Contain Ir in property component；
Preferably, the melon cyclics are at least one of hexa-atomic melon cyclics.
Preferably, Cu is contained in the active component.
Preferably, in the active component, mol ratio Ir：Cu=0.5~6：1；
Preferably, in the active component, mol ratio Ir：Cu=0.625~6：1.
Preferably, in the active component, mol ratio Ir：Cu=2:1~1:2.
It is preferred that, in the active component, mol ratio Ir：Cu=1：1.5、1：1.4、1：1.3、1：1.2、1：1.1、1.5：
1、2.5：1、3：1、3.5：1、4：1、4.5：1、5：1 or 5.5：1.
Preferably, Ir content is 8~40wt% in the supported catalyst；
It is further preferred that Ir content is 9~36wt% in the supported catalyst.
Preferably, the particle diameter of the active component is 2nm~3nm.
Preferably, the particle diameter of the active component is 2nm~2.5nm.
Preferably, the melon cyclics are selected from cucurbit [6] urea, cucurbit [7] urea, cucurbit [8] urea, alkyl-substituted calabash
At least one of reed [6] urea, alkyl-substituted cucurbit [7] urea, alkyl-substituted cucurbit [8] urea.
Preferably, the melon cyclics are cucurbit [6] urea.
Preferably, the alkyl is selected from C1~C10；It is further preferred that the alkyl is selected from C1~C4Alkyl.
Preferably, Ir and melon cyclics mass ratio are in the active component：
Ir：Melon cyclics=0.05~0.6：1.
Preferably, Ir and hexa-atomic melon cyclics mass ratio are in the active component：
Ir：Hexa-atomic melon cyclics=0.05~0.6：1.
Preferably, Ir and melon cyclics mass ratio are in active component：
Ir：Melon cyclics=0.09~0.5：1；
Preferably, Ir and hexa-atomic melon cyclics mass ratio are in active component：
Ir：Hexa-atomic melon cyclics=0.09~0.5：1；
Wherein, Ir quality is in terms of the quality of Ir elements, and melon cyclics are in terms of the quality of itself；Hexa-atomic melon ring class
Compound is in terms of the quality of itself.
Further aspect of the application at least comprises the following steps there is provided the method for preparing the supported catalyst：
By containing copper source, iridium source, melon cyclics raw material be placed in 150 DEG C~200 DEG C reaction 3~8 hours after, through washing
Wash, be dried in vacuo, produce the loaded catalyst.
Preferably, copper source is selected from least one of copper chloride, copper nitrate, copper acetate.
Preferably, the iridium source is selected from least one of iridium chloride, chloride hydrate iridium, chloro-iridic acid.
Preferably, the melon cyclics are selected from cucurbit [6] urea, cucurbit [7] urea, cucurbit [8] urea, alkyl-substituted calabash
At least one of reed [6] urea, alkyl-substituted cucurbit [7] urea, alkyl-substituted cucurbit [8] urea.
Preferably, the quality of copper source, iridium source and melon cyclics is：
Copper source：Iridium source：Melon cyclics=1~50：10~80：30~70.
It is further preferred that the quality of copper source, iridium source and melon cyclics is：
Copper source：Iridium source：Melon cyclics=5~40：10~60：50.
The quality in copper source is with the Mass Calculation in copper source, and the quality in iridium source is with the Mass Calculation in iridium source；Melon cyclics with
The Mass Calculation of melon cyclics.Preferably, the raw material includes organic solvent.
Preferably, the organic solvent be selected from ethylene glycol, at least one of propane diols.
Preferably, the temperature of the reaction is 150~180 DEG C, and the reaction time is 4~6 hours.
Preferably, the raw material is obtained by Tong Yuan, iridium source, hexa-atomic melon cyclics and organic solution after ultrasonic mixing
Arrive.
Preferably, above-mentioned melon cyclics are hexa-atomic melon cyclics.
The another aspect of the application there is provided a kind of electro-catalysis oxygen evolution reaction catalysts, containing described supported catalyst,
At least one of supported catalyst prepared according to methods described.
Preferably, the electro-catalysis oxygen-separating catalyst also includes at least one in nonmetal oxide, non-metal complexes
Kind.
The another aspect of the application analyses oxygen electrode there is provided one kind, containing described supported catalyst, according to methods described
At least one of supported catalyst prepared.
It is described to analyse oxygen electrode by the mixed liquor containing the catalyst and naphthols after ultrasonic mixing, in glass-carbon electrode table
Face is obtained after drying.
In the application, C1~C10、C1~C4Etc. referring both to the carbon number that group is included.
In the application, " alkyl " is that the group that any one hydrogen atom is formed is lost on alkane compound molecule.
The beneficial effect that the application can be produced includes：
1) supported catalyst provided herein, under identical current density, its catalytic activity is black 9 of commercially available iridium
~10 times.
2) supported catalyst provided herein, adjusts the electron orbit of iridium, effectively by adding base metal Cu
Improve the catalytic activity of catalyst and reduce noble metal Ir consumption, reduce cost.
3) carrier nanometer catalyst provided herein, its carrier can effectively prevent the reunion of nano particle,
Exposed surface avtive spot, effectively increases the catalytic activity of catalyst simultaneously.
4) loaded catalyst provided herein, is used as carrier (stabilizer) so that catalyst using hexa-atomic melon ring
Stability obtained many raisings.
Brief description of the drawings
Fig. 1 is supported catalyst 1#~5#、D-1#Polarization curve test chart.
Fig. 2 is supported catalyst 1#~5#、D-1#The corresponding Tafel curve figure of polarization curve.
Fig. 3 is supported catalyst 1#、D-1#Stability test curve.
Fig. 4 is supported catalyst 1# transmission electron microscope picture.
Embodiment
The application is described in detail with reference to embodiment, but the application is not limited to these embodiments.
Unless otherwise instructed, the raw material and catalyst in embodiments herein are bought by commercial sources, wherein：
Copper chloride is purchased from sigma-aldrich companies；Iridium is black (Ir black), and yttrium oxide, three chloride hydrate iridium are purchased from
Alfa companies；Ethylene glycol is purchased from TCI companies；
Cucurbituril CB [6] synthesized according to document (D.Bardelang, K.A.Udachin, D.M.Leek,
J.A.Ripmeester, CrystEngComm 2007,9,973), urea in synthesis material, poly methanol and glyoxal are purchased from
Alfa companies；Glycerine, ethanol and acetone are purchased from Shanghai traditional Chinese medicines.
Analysis method is as follows in embodiments herein：
The instrument of pattern test is：JEOL2010 type transmission electron microscopes, model JEOL2010, producer is Japan's electricity
Sub- Co., Ltd..
Chemical property and the instrument of electrochemical stability test are：Zahner IM6, model IM6, producer are Germany
Zahner (Zha Na).
The instrument of catalyst stability test is Zahner IM6, and model IM6, producer is Germany Zahner (Zha Na).
The hexa-atomic melon ring loaded Cu of embodiment 11Ir2The preparation of nanocatalyst
(1) by 20mg copper chloride, 60mg three chloride hydrate iridium, 50mg hexa-atomic melon ring adds 100ml twoports circle neck
In flask, 20ml ethylene glycol is added, ultrasonic 60min obtains mixture A.
The hexa-atomic melon ring is Cucurbituril CB [6].
(2) the mixture A obtained in step (1) is obtained into product B in 5 hours in 170 DEG C of reactions；
Product B centrifugations (10000 revs/min) will be obtained, will be washed with deionized 3 times, will be done in 70 DEG C of vacuum drying chamber
Dry 24 hours, obtain hexa-atomic melon ring loaded Cu1Ir2Nanocatalyst, i.e. CB [6]-Cu1Ir2, labeled as 1#。
Wherein, sample 1#Middle Ir content is 36wt%.
Sample 1#Middle active component Cu1Ir2Particle diameter distribution in 2~2.5nm.
The hexa-atomic melon ring loaded Cu of embodiment 21.6Ir1The preparation of nanocatalyst
(1) by 40mg copper chloride, 10mg three chloride hydrate iridium, 50mg hexa-atomic melon ring adds 100ml twoports circle neck
In flask, 20ml ethylene glycol is added, ultrasonic 60min obtains mixture A.
The hexa-atomic melon ring is Cucurbituril CB [6].
(2) the mixture A obtained in step (1) is obtained into product B in 5 hours in 170 DEG C of reactions；
Product B centrifugations (10000 revs/min) will be obtained, will be washed with deionized 3 times, will be done in 70 DEG C of vacuum drying chamber
Dry 24 hours, obtain hexa-atomic melon ring loaded Cu1Ir2Nanocatalyst, i.e. CB [6]-Cu1.6Ir1, labeled as 2#。
Wherein, sample 2#Middle Ir content is 2.46wt%.
Sample 2#Middle active component Cu1.6Ir1Particle diameter distribution in 2~2.5nm.
The hexa-atomic melon ring loaded Cu of embodiment 31Ir1.4The preparation of nanocatalyst
(1) by 20mg copper chloride, 20mg three chloride hydrate iridium, 50mg hexa-atomic melon ring adds 100ml twoports circle neck
In flask, 20ml ethylene glycol is added, ultrasonic 60min obtains mixture A.
The hexa-atomic melon ring is Cucurbituril CB [6].
(2) the mixture A obtained in step (1) is obtained into product B in 5 hours in 170 DEG C of reactions；
Product B centrifugations (10000 revs/min) will be obtained, will be washed with deionized 3 times, will be done in 70 DEG C of vacuum drying chamber
Dry 24 hours, obtain hexa-atomic melon ring loaded Cu1Ir2Nanocatalyst, i.e. CB [6]-Cu1Ir1.4, labeled as 3#。
Wherein, sample 3#Middle Ir content is 9.21wt%.
Sample 3#Middle active component Cu1Ir1.4Particle diameter distribution in 2~2.5nm.
The hexa-atomic melon ring loaded Cu of embodiment 41Ir3The preparation of nanocatalyst
(1) by 10mg copper chloride, 40mg three chloride hydrate iridium, 50mg hexa-atomic melon ring adds 100ml twoports circle neck
In flask, 20ml ethylene glycol is added, ultrasonic 60min obtains mixture A.
The hexa-atomic melon ring is Cucurbituril CB [6].
(2) the mixture A obtained in step (1) is obtained into product B in 5 hours in 170 DEG C of reactions；
Product B centrifugations (10000 revs/min) will be obtained, will be washed with deionized 3 times, will be done in 70 DEG C of vacuum drying chamber
Dry 24 hours, obtain hexa-atomic melon ring loaded Cu1Ir2Nanocatalyst, i.e. CB [6]-Cu1Ir3, labeled as 4#。
Wherein, sample 4#Middle Ir content is 19.28wt%.
Sample 4#Middle active component Cu1Ir3Particle diameter distribution in 2~2.5nm.
The hexa-atomic melon ring loaded Cu of embodiment 51Ir6The preparation of nanocatalyst
(1) by 5mg copper chloride, 60mg three chloride hydrate iridium, 50mg hexa-atomic melon ring adds 100ml twoports circle neck and burnt
In bottle, 20ml ethylene glycol is added, ultrasonic 60min obtains mixture A.
The hexa-atomic melon ring is Cucurbituril CB [6].
(2) the mixture A obtained in step (1) is obtained into product B in 5 hours in 170 DEG C of reactions；
Product B centrifugations (10000 revs/min) will be obtained, will be washed with deionized 3 times, will be done in 70 DEG C of vacuum drying chamber
Dry 24 hours, obtain hexa-atomic melon ring loaded Cu1Ir2Nanocatalyst, i.e. CB [6]-Cu1Ir6, labeled as 5#。
Wherein, sample 5#Middle Ir content is 33.21wt%.
Sample 5#Middle active component Cu1Ir6Particle diameter distribution in 2~2.5nm.
The rich carbon loaded Cu of the card of comparative example 11Ir2The preparation of nanocatalyst
(1) by 20mg copper chloride, 60mg three chloride hydrate iridium, 50mg commercial card wins carbon and adds 100ml twoports circle
In neck flask, 20ml ethylene glycol is added, ultrasonic 60min obtains mixture A.
(2) the mixture A obtained in step (1) is obtained into product B in 5 hours in 170 DEG C of reactions；
Product B centrifugations (10000 revs/min) will be obtained, will be washed with deionized 3 times, will be done in 70 DEG C of vacuum drying chamber
Dry 24 hours, obtain the rich carbon loaded Cu of card1Ir2Nanocatalyst, i.e. C-Cu1Ir2, labeled as D-1#。
It is prepared by the electrode of embodiment 6 three
(1) working electrode：A certain amount of carrier nanometer catalyst 1 is taken respectively#~5#、D-1#, iridium is black, IrO2It is dispersed in
(volume ratio 7 in the mixed liquor of 1ml ultra-pure waters and isopropanol：3) 20ml naphthols nafion ultrasounds, are added.Then 10 μ L are taken
Above-mentioned mixed liquor drops in glassy carbon electrode surface (glass-carbon electrode, diameter 10mm, glass carbon face section diameter 5mm, area 0.196cm2),
Dry, produce；
(2) platinum guaze is that reference electrode is Ag/AgCl to electrode.
The quality of the catalyst taken needs to refer to the mass percent of iridium in different catalysts, makes final load in glass carbon
Metal Ir content is 40 μ g/cm in the catalyst of electrode2。
Obtained three-electrode system is respectively labeled as C1~C5, DC1, DC2, DC3, its respectively with carrier nanometer catalyst
1#~5#、DC-1#, iridium is black, IrO2Correspondence.
The loaded nano of embodiment 7 be catalyzed and electrochemical property test
Electro-chemical test is carried out in three electrodes (C1~C5, DC2, DC3) glass electrolytic cell.
Electrochemical property test：First in O20.5M H under atmosphere2SO4Cyclic voltammetry scan, sweep speed are carried out in solution
For 500mVs-1, scanning range is 0~1.2V, and the scanning number of turns 20 is enclosed, and the effect of the step is that catalyst surface is cleaned
And play certain activation.Afterwards in O20.5M H under atmosphere2SO4Its polarization curve is tested in solution to characterize load
Type nanocatalyst 1#~5#, iridium is black, IrO2Electro-catalysis analysis oxygen performance, sweep speed is 10mVs-1, scanning range is 0.8
~1.4V.
Above scanning range choose institute reference for Ag/AgCl electrodes.
As depicted in figs. 1 and 2, it is respectively 1 to test result#~5#Carrier nanometer catalyst and iridium is black, IrO2Electricity
Chemical property is tested and corresponding Tafel slope.In figure, Cu1Ir2Correspondence C1 data, Cu1.6Ir1Correspondence C2 data,
Cu1Ir1.4Correspondence C3 data, Cu1Ir3Correspondence C4 data, Cu1Ir6Correspondence C6 data, Cu1Ir3Correspondence C5 data, iridium
Black correspondence DC2 data, IrO2Correspondence DC3 data.
As can be seen from the figure the catalyst synthesized by the present invention possesses more preferable catalytic activity compared with commercially available iridium is black.Its
In, Cu1Ir2Catalytic activity it is the most excellent, current density be 10mA/cm2When, Cu1Ir2Required reaction overpotential is much small
In the black overpotential of iridium, its catalytic activity showed is black 9-10 times of commercially available iridium.
The stability test of the catalyst of embodiment 8
Electrochemical stability test is carried out in three electrode glass electrolytic cells.
To sample 1#, sample D-1#Stability test detection is carried out using chronoptentiometry, test condition is：In O2Atmosphere
0.5M H under enclosing2SO4In solution, sweep current is constant in 2mA, and sweep time is 6h.
As a result as shown in figure 3, respectively sample 1#With sample D-1#Test result, wherein, sample 2#~5#Test knot
Fruit and 1#Test result it is similar.From figure 3, it can be seen that blocking the Cu of rich carbon load at 5 hours or so1Ir2It has been inactivated that,
And the nanocatalyst of hexa-atomic melon ring load is also active, illustrate that the catalyst that hexa-atomic melon ring is carrier can obtain having more
Plus the catalyst of excellent stability.
The pattern test of the catalyst of embodiment 9
To sample 1#~5#TEM pattern tests are carried out, it is typical as shown in figure 4, being sample 1#Transmission electron microscopy figure,
As can be seen from the figure print 1# is dispersed nano particle, sample 2~5#Pattern and 1#It is similar.
It is described above, only it is several embodiments of the application, any type of limitation is not done to the application, although this Shen
Please disclosed as above with preferred embodiment, but and be not used to limit the application, any those skilled in the art are not taking off
In the range of technical scheme, make a little variation using the technology contents of the disclosure above or modification is equal to
Case study on implementation is imitated, is belonged in the range of technical scheme.
Claims (10)
1. a kind of supported catalyst, it is characterised in that including carrier and active component；
The carrier includes containing Ir in melon cyclics, the active component；
Preferably, the melon cyclics are at least one of hexa-atomic melon cyclics.
2. supported catalyst according to claim 1, it is characterised in that contain Cu in the active component.
3. supported catalyst according to claim 2, it is characterised in that in the active component, mol ratio Ir：Cu=
0.5~6：1；
Preferably, in the active component, mol ratio Ir：Cu=0.625~6：1.
4. supported catalyst according to claim 1, it is characterised in that the particle diameter of the active component be 2.0nm~
3nm；
Preferably, the particle diameter of the active component is 2.0nm~2.5nm.
5. supported catalyst according to claim 1, it is characterised in that the melon cyclics be selected from cucurbit [6] urea,
Cucurbit [7] urea, cucurbit [8] urea, alkyl-substituted cucurbit [6] urea, alkyl-substituted cucurbit [7] urea, alkyl-substituted cucurbit [8]
At least one of urea；
Preferably, the melon cyclics are cucurbit [6] urea.
6. supported catalyst according to claim 1 or 2, it is characterised in that Ir and melon cyclics in active component
Mass ratio be：
Ir：Melon cyclics=0.05~0.6：1；
Preferably, Ir and melon cyclics mass ratio are in active component：
Ir：Melon cyclics=0.09~0.5：1；
Wherein, Ir quality is in terms of the quality of Ir elements, and melon cyclics are in terms of the quality of itself.
7. preparing the method for any one of claim 1 to 6 supported catalyst, at least comprise the following steps：
By containing copper source, iridium source, melon cyclics raw material be placed in 150 DEG C~200 DEG C reaction 3~8 hours after, it is scrubbed,
Vacuum drying, produces the loaded catalyst.
8. method according to claim 7, it is characterised in that copper source is in copper chloride, copper nitrate, copper acetate
It is at least one；
The iridium source is selected from least one of iridium chloride, chloride hydrate iridium, chloro-iridic acid；
The melon cyclics are selected from cucurbit [6] urea, cucurbit [7] urea, cucurbit [8] urea, alkyl-substituted cucurbit [6] urea, alkane
Cucurbit [7] urea, at least one of alkyl-substituted cucurbit [8] urea of base substitution.
9. a kind of electro-catalysis oxygen evolution reaction catalysts, it is characterised in that urged containing the load described in any one of claim 1 to 6
At least one of agent, the supported catalyst prepared according to the methods described of claim 7 or 8.
10. one kind analysis oxygen electrode, it is characterised in that containing the supported catalyst described in any one of claim 1 to 6, according to power
Profit requires at least one of supported catalyst that 7 or 8 methods describeds are prepared.
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| CN112359377A (en) * | 2020-10-28 | 2021-02-12 | 贵州大学 | Catalyst prepared from six-membered cucurbituril, reduced graphene and polypyrrole and application of catalyst |
| CN114177939A (en) * | 2020-09-14 | 2022-03-15 | 中国石油化工股份有限公司 | Catalyst for synthesizing vinyl acetate by acetylene method |
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| 游晗晖: "六元瓜环负载的铱纳米催化剂的制备和应用", 《中国化学会第30届学术年会》 * |
| 王超: "Ir基贵金属纳米晶制备及其催化性质研究", 《中国优秀博士学位论文全文数据库》 * |
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| CN110066299B (en) * | 2018-09-07 | 2020-08-28 | 中国科学院福建物质结构研究所 | Complex, preparation method thereof and catalyst using complex |
| CN114177939A (en) * | 2020-09-14 | 2022-03-15 | 中国石油化工股份有限公司 | Catalyst for synthesizing vinyl acetate by acetylene method |
| CN114177939B (en) * | 2020-09-14 | 2023-08-08 | 中国石油化工股份有限公司 | Catalyst for synthesizing vinyl acetate by acetylene method |
| CN112359377A (en) * | 2020-10-28 | 2021-02-12 | 贵州大学 | Catalyst prepared from six-membered cucurbituril, reduced graphene and polypyrrole and application of catalyst |
| CN112359377B (en) * | 2020-10-28 | 2023-06-27 | 贵州大学 | Catalyst prepared from six-membered cucurbituril, reduced graphene and polypyrrole and application of catalyst |
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