CN108842160A - A kind of the water electrolysis hydrogen production energy ruthenium doping iron nickel alloy catalyst and preparation method - Google Patents
A kind of the water electrolysis hydrogen production energy ruthenium doping iron nickel alloy catalyst and preparation method Download PDFInfo
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- CN108842160A CN108842160A CN201810673736.3A CN201810673736A CN108842160A CN 108842160 A CN108842160 A CN 108842160A CN 201810673736 A CN201810673736 A CN 201810673736A CN 108842160 A CN108842160 A CN 108842160A
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/17—Metallic particles coated with metal
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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
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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
Abstract
The present invention relates to the field of water electrolysis hydrogen production, a kind of water electrolysis hydrogen production energy ruthenium doping iron nickel alloy catalyst and preparation method are disclosed.Including following preparation process：（1）Nickel source, source of iron, ruthenium source and auxiliary agent are added in deionized water and are formulated as colloidal sol；（2）It is still aging by the nickel foam powder infusion of polyaniline-coated in colloidal sol；（3）The ruthenium doping iron nickel alloy catalyst of core-shell structure is made in high-temperature calcination after filtering drying.Catalyst produced by the present invention is compared with common catalyst for preparing hydrogen, iron nickel ruthenium alloy is coated on nickel foam surface layer, increase the reactivity site of catalyst, effectively reduce the spontaneous electrolysis potential barrier of water, improve the liberation of hydrogen ability of catalyst, with excellent hydrogen catalysis performance, catalytic activity is good, is used for high-efficient when water electrolysis hydrogen production.
Description
Technical field
The present invention relates to the field of water electrolysis hydrogen production, discloses a kind of water electrolysis hydrogen production energy and adulterate iron-nickel alloy with ruthenium and urge
Agent and preparation method.
Background technique
With the reinforcement of environmental protection, the green non-pollution energy is focused in more and more researchs.Wherein Hydrogen Energy cleans nothing
It pollutes, is efficient, renewable, being the following most potential energy carrier.Hydrogen energy source is as efficient, clean and ideal secondary energy sources
Global extensive attention is received.On a large scale, inexpensively production hydrogen is one of the important link for developing and utilizing Hydrogen Energy.
It is current most potential technology and a kind of cost-effective skill using electrolysis water technology hydrogen manufacturing in current hydrogen producing technology
Art.
Water electrolysis hydrogen producing is a kind of method of conveniently hydrogen making.It is passed through in the electrolytic cell full of electrolyte straight
Electrochemical reaction occurs on the electrode for galvanic electricity, hydrone, resolves into hydrogen and oxygen.Water electrolysis hydrogen production is a kind of efficient, cleaning
Hydrogen producing technology, process for making hydrogen is simple, and product purity is high, and hydrogen, oxygen purity are generally most potential up to 99.9%
Extensive hydrogen producing technology.In particular with the growing of current renewable energy power generation, hydrogen will become the reason of power storage
Think carrier.
In water electrolysis hydrogen production method, excellent catalyst is to improve hydrogen production efficiency to play the role of very important, success
Design one of the key technology that efficient cryogenic catalyst is hydrogen manufacturing research.Catalyst as water electrolysis hydrogen production is mainly by half
Conductor material, noble metal and its compound etc..Recent study discovery, NiFe double-metal hydroxide（NiFe-LDH）In alkalinity
Excellent electrocatalytic decomposition elutriation oxygen is shown in solution（OER）Performance, in hydrogen producing technology, improve catalyst for water from
Generate electricity from performance, to improve catalytic activity with highly important practical significance.
Chinese invention patent application number 201610141649.4 discloses a kind of metal-doped W with multiform looks18O49Electricity
Catalyst and its application in water electrolysis hydrogen production specifically utilize W18O49Particular crystal orientation preferential growth characteristic and with molten
Agent thermal method prepares W18O49Catalyst, by change precursor solution concentration, can get nanofiber, bundles of nanofibers and by
Three kinds of patterns of microballoon that nanofiber is constituted, and its electrocatalysis characteristic can be improved by elements such as incorporation palladium, molybdenums.The invention is filled
Divide and utilizes W18O491-dimention nano fibre structure promote electron-transport, and in catalyst a large amount of Lacking oxygen be H+Reduction generates
H2 provides sufficient active site；In addition, solid-state W18O49Nanofiber can be completely attached to liquid phase electrolyte, be conducive to H+
It is spread in the three-dimensional network that nanofiber is constituted, to improve its catalytic performance.The invention multiform looks elctro-catalyst electricity
Catalytic activity is high, stability is good, preparation method is simple and easy to do, low in cost.
Chinese invention patent application number 201611167015.2 discloses a kind of catalyst of water electrolysis hydrogen production, and catalyst is
Carbon-supported Nanometer Copper platinum alloy.The catalyst of the invention has more active sites, improves electrochemical catalysis efficiency；Copper simultaneously
Addition reduce the carrying capacity of platinum, further reduce costs；Due to intermetallic synergistic effect, Mock gold can be effective
The overpotential for reducing electrochemical reaction, reduces electrolytic cell voltage, reduces energy consumption cost.
According to above-mentioned, the metal hydroxide catalyst of water electrolysis hydrogen production is used in existing scheme, it is non-that there are Hydrogen Evolution Performances
It is often poor, it decomposes water and needs very big voltage input, and liberation of hydrogen dynamics is primarily limited to water power to separate out hydrogen ion process slower,
And then the efficiency of electricity price water hydrogen manufacturing is influenced, the invention proposes a kind of water electrolysis hydrogen production energy ruthenium doping iron nickel alloy catalysts
And preparation method, it can effectively solve above-mentioned technical problem.
Summary of the invention
That there are Hydrogen Evolution Performances is excessively poor for the metal hydroxide catalyst of the wider water electrolysis hydrogen production of application at present, and voltage is defeated
Enter requirement height, water power separates out the defects such as hydrogen ion process is slower, and hydrogen production efficiency is low.
To solve the above problems, the present invention uses following technical scheme：
A kind of preparation method of water electrolysis hydrogen production energy ruthenium doping iron nickel alloy catalyst, the detailed process of preparation are：
（1）Nickel source, source of iron, ruthenium source and auxiliary agent are added in deionized water, colloidal sol is formulated as；
（2）First by the nickel foam powder infusion of polyaniline-coated in step（1）In colloidal sol obtained, ageing is then allowed to stand to system
Reach balance；
（3）It first filters, dry, then carry out high-temperature calcination under reducing atmosphere, remove polyaniline, the ruthenium that core-shell structure is made is mixed
Miscellaneous iron-nickel alloy catalyst.
Preferably, step（1）The nickel source is at least one of nickel chloride, nickel sulfate, nickel nitrate.
Preferably, step（1）The source of iron is at least one of iron chloride, ferric sulfate, ferric nitrate, ferric bromide.
Preferably, step（1）The ruthenium source is at least one of ruthenium trichloride, nitric acid ruthenium.
Preferably, step（1）The auxiliary agent idiozome stabilizer, such as one of chitosan, gelatin.
Preferably, step（1）In the colloidal sol, 10 ~ 12 parts by weight of nickel source, 20 ~ 25 parts by weight of source of iron, 4 ~ 6 weight of ruthenium source
Part, 2 ~ 5 parts by weight of auxiliary agent, 52 ~ 64 parts by weight of deionized water.
Preferably, step（2）The cladding polyaniline is with a thickness of 1-10 μm.
Preferably, step（2）The still aging time is 4 ~ 6h.
Preferably, step（3）The temperature of the high-temperature calcination is 500 ~ 700 DEG C, and the time is 2 ~ 3h.
A kind of water electrolysis hydrogen production energy ruthenium doping iron nickel alloy catalyst prepared by the above method, by iron,
Nickel, ruthenium inorganic salts be configured to colloidal sol, it is spontaneous to be attached to polyaniline film surface, by high temperature sintering remove polyaniline after, iron nickel
Ruthenium alloy is evenly coated at nickel foam surface layer.
Test the minimum slot pressure of electrolysis, hydrogen manufacturing power consumption and the production hydrogen speed of ruthenium doping iron nickel alloy catalyst prepared by the present invention
Rate, and with NiFe double-metal hydroxide catalyst, method of the invention has a clear superiority, as shown in table 1.
Table 1：
The present invention provides a kind of the water electrolysis hydrogen production energy ruthenium doping iron nickel alloy catalyst and preparation methods, with the prior art
It compares, the feature and excellent effect protruded is：
1, propose by iron nickel ruthenium alloy be coated on nickel foam surface layer prepare the water electrolysis hydrogen production energy with ruthenium adulterate iron-nickel alloy urge
The method of agent.
2, by introducing metal Ru, the reactivity site of catalyst is increased, the spontaneous electrolytic potential of water is effectively reduced
It builds, improves the liberation of hydrogen ability of catalyst, it is possible to provide more reactive hydrogens.
3, catalyst produced by the present invention has excellent hydrogen catalysis performance, and catalytic activity is good, is used for water electrolysis hydrogen production
When it is high-efficient.
Specific embodiment
In the following, the present invention will be further described in detail by way of specific embodiments, but this should not be interpreted as to the present invention
Range be only limitted to example below.Without departing from the idea of the above method of the present invention, according to ordinary skill
The various replacements or change that knowledge and customary means are made, should be included in the scope of the present invention.
Embodiment 1
（1）Nickel source, source of iron, ruthenium source and chitosan are added in deionized water, colloidal sol is formulated as；Nickel source is nickel chloride.Source of iron is
Iron chloride.Ruthenium source is nitric acid ruthenium.In colloidal sol, 10 parts by weight of nickel source, 20 parts by weight of source of iron, 6 parts by weight of ruthenium source, 4 parts by weight of auxiliary agent,
60 parts by weight of deionized water.
（2）First by the nickel foam powder infusion of polyaniline-coated in step（1）In colloidal sol obtained, it is then allowed to stand ageing extremely
System reaches balance；The still aging time is 5h.
（3）It first filters, dry, then carry out high-temperature calcination under reducing atmosphere, remove polyaniline, core-shell structure is made
Ruthenium doping iron nickel alloy catalyst.The temperature of high-temperature calcination is 700 DEG C, time 2h.
It is as shown in table 2 to be electrolysed minimum slot pressure, hydrogen manufacturing power consumption, hydrogen-producing speed for alloy catalyst made from embodiment 1.
Embodiment 2
（1）Nickel source, source of iron, ruthenium source and gelatin are added in deionized water, colloidal sol is formulated as；Nickel source is nickel sulfate.Source of iron is sulphur
Sour iron.Ruthenium source is ruthenium trichloride.In colloidal sol, 12 parts by weight of nickel source, 25 parts by weight of source of iron, 6 parts by weight of ruthenium source, 2 parts by weight of auxiliary agent,
55 parts by weight of deionized water.
（2）First by the nickel foam powder infusion of polyaniline-coated in step（1）In colloidal sol obtained, it is then allowed to stand ageing extremely
System reaches balance；The still aging time is 6h.
（3）It first filters, dry, then carry out high-temperature calcination under reducing atmosphere, remove polyaniline, core-shell structure is made
Ruthenium doping iron nickel alloy catalyst.The temperature of high-temperature calcination is 500 DEG C, time 3h.
It is as shown in table 2 to be electrolysed minimum slot pressure, hydrogen manufacturing power consumption, hydrogen-producing speed for alloy catalyst made from embodiment 2.
Embodiment 3
（1）Nickel source, source of iron, ruthenium source and chitosan are added in deionized water, colloidal sol is formulated as；Nickel source is nickel nitrate.Source of iron is
Ferric nitrate.Ruthenium source is nitric acid ruthenium.In colloidal sol, 10 parts by weight of nickel source, 22 parts by weight of source of iron, 6 parts by weight of ruthenium source, 2 parts by weight of auxiliary agent,
60 parts by weight of deionized water.
（2）First by the nickel foam powder infusion of polyaniline-coated in step（1）In colloidal sol obtained, it is then allowed to stand ageing extremely
System reaches balance；The still aging time is 4h.
（3）It first filters, dry, then carry out high-temperature calcination under reducing atmosphere, remove polyaniline, core-shell structure is made
Ruthenium doping iron nickel alloy catalyst.The temperature of high-temperature calcination is 650 DEG C, time 2h.
It is as shown in table 2 to be electrolysed minimum slot pressure, hydrogen manufacturing power consumption, hydrogen-producing speed for alloy catalyst made from embodiment 3.
Embodiment 4
（1）Nickel source, source of iron, ruthenium source and gelatin are added in deionized water, colloidal sol is formulated as；Nickel source is nickel nitrate.Source of iron is bromine
Change iron.Ruthenium source is ruthenium trichloride.In colloidal sol, 12 parts by weight of nickel source, 25 parts by weight of source of iron, 6 parts by weight of ruthenium source, 5 parts by weight of auxiliary agent,
52 parts by weight of deionized water.
（2）First by the nickel foam powder infusion of polyaniline-coated in step（1）In colloidal sol obtained, it is then allowed to stand ageing extremely
System reaches balance；The still aging time is 6h.
（3）It first filters, dry, then carry out high-temperature calcination under reducing atmosphere, remove polyaniline, core-shell structure is made
Ruthenium doping iron nickel alloy catalyst.The temperature of high-temperature calcination is 550 DEG C, time 2h.
It is as shown in table 2 to be electrolysed minimum slot pressure, hydrogen manufacturing power consumption, hydrogen-producing speed for alloy catalyst made from embodiment 4.
Embodiment 5
（1）Nickel source, source of iron, ruthenium source and chitosan are added in deionized water, colloidal sol is formulated as；Nickel source is nickel chloride.Source of iron is
Ferric sulfate.Ruthenium source is nitric acid ruthenium.In colloidal sol, 10 parts by weight of nickel source, 22 parts by weight of source of iron, 5 parts by weight of ruthenium source, 5 parts by weight of auxiliary agent,
58 parts by weight of deionized water.
（2）First by the nickel foam powder infusion of polyaniline-coated in step（1）In colloidal sol obtained, it is then allowed to stand ageing extremely
System reaches balance；The still aging time is 5h.
（3）It first filters, dry, then carry out high-temperature calcination under reducing atmosphere, remove polyaniline, core-shell structure is made
Ruthenium doping iron nickel alloy catalyst.The temperature of high-temperature calcination is 700 DEG C, time 2h.
It is as shown in table 2 to be electrolysed minimum slot pressure, hydrogen manufacturing power consumption, hydrogen-producing speed for alloy catalyst made from embodiment 5.
Embodiment 6
（1）Nickel source, source of iron, ruthenium source and chitosan are added in deionized water, colloidal sol is formulated as；Nickel source is nickel nitrate.Source of iron is
Iron chloride.Ruthenium source is ruthenium trichloride.In colloidal sol, 10 parts by weight of nickel source, 25 parts by weight of source of iron, 5 parts by weight of ruthenium source, 3 weight of auxiliary agent
Part, 57 parts by weight of deionized water.
（2）First by the nickel foam powder infusion of polyaniline-coated in step（1）In colloidal sol obtained, it is then allowed to stand ageing extremely
System reaches balance；The still aging time is 5h.
（3）It first filters, dry, then carry out high-temperature calcination under reducing atmosphere, remove polyaniline, core-shell structure is made
Ruthenium doping iron nickel alloy catalyst.The temperature of high-temperature calcination is 600 DEG C, time 2h.
It is as shown in table 2 to be electrolysed minimum slot pressure, hydrogen manufacturing power consumption, hydrogen-producing speed for alloy catalyst made from embodiment 6.
Comparative example 1
Comparative example 1 does not add ruthenium source, and alloy catalyst obtained is electrolysed minimum slot pressure, hydrogen manufacturing power consumption, hydrogen-producing speed such as table
Shown in 2.
The test method of above-mentioned performance indicator is：
It is tested using HD-D300 water electrolysis water device for producing hydrogen, the volume of water is 10L, add 1g to enter the obtained catalyst of the present invention,
For the ease of qualitative comparison, remaining condition of hydrolysis device is normal condition, is under equal conditions tested, and the test temperature of water is
50 DEG C, measurement is electrolysed minimum slot pressure and hydrogen manufacturing power consumption measures according to the amount of hydrogen obtained and calculates hydrogen generation efficiency.
Table 2：
Claims (10)
1. a kind of preparation method of water electrolysis hydrogen production energy ruthenium doping iron nickel alloy catalyst, which is characterized in that the tool of preparation
Body process is：
（1）Nickel source, source of iron, ruthenium source and auxiliary agent are added in deionized water, colloidal sol is formulated as；
（2）First by the nickel foam powder infusion of polyaniline-coated in step（1）In colloidal sol obtained, ageing is then allowed to stand to system
Reach balance；
（3）It first filters, dry, then carry out high-temperature calcination under reducing atmosphere, remove polyaniline, the ruthenium that core-shell structure is made is mixed
Miscellaneous iron-nickel alloy catalyst.
2. a kind of preparation method of water electrolysis hydrogen production energy ruthenium doping iron nickel alloy catalyst according to claim 1,
It is characterized in that：Step（1）The nickel source is at least one of nickel chloride, nickel sulfate, nickel nitrate.
3. a kind of preparation method of water electrolysis hydrogen production energy ruthenium doping iron nickel alloy catalyst according to claim 1,
It is characterized in that：Step（1）The source of iron is at least one of iron chloride, ferric sulfate, ferric nitrate, ferric bromide.
4. a kind of preparation method of water electrolysis hydrogen production energy ruthenium doping iron nickel alloy catalyst according to claim 1,
It is characterized in that：Step（1）The ruthenium source is at least one of ruthenium trichloride, nitric acid ruthenium.
5. a kind of preparation method of water electrolysis hydrogen production energy ruthenium doping iron nickel alloy catalyst according to claim 1,
It is characterized in that：Step（1）The auxiliary agent is colloid stabilizer.
6. a kind of preparation method of water electrolysis hydrogen production energy ruthenium doping iron nickel alloy catalyst according to claim 1,
It is characterized in that：Step（1）In the colloidal sol, 10 ~ 12 parts by weight of nickel source, 20 ~ 25 parts by weight of source of iron, 4 ~ 6 parts by weight of ruthenium source, auxiliary agent
2 ~ 5 parts by weight, 52 ~ 64 parts by weight of deionized water.
7. a kind of preparation method of water electrolysis hydrogen production energy ruthenium doping iron nickel alloy catalyst according to claim 1,
It is characterized in that：Step（2）It is described cladding polyaniline with a thickness of 1-10 μm.
8. a kind of preparation method of water electrolysis hydrogen production energy ruthenium doping iron nickel alloy catalyst according to claim 1,
It is characterized in that：Step（2）The still aging time is 4 ~ 6h.
9. a kind of preparation method of water electrolysis hydrogen production energy ruthenium doping iron nickel alloy catalyst according to claim 1,
It is characterized in that：Step（3）The temperature of the high-temperature calcination is 500 ~ 700 DEG C, and the time is 2 ~ 3h.
10. a kind of water electrolysis hydrogen production energy ruthenium doping iron-nickel alloy that any one of claim 1 ~ 9 the method is prepared
Catalyst.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898097A (en) * | 2019-01-07 | 2019-06-18 | 江苏大学 | Monatomic iron-the carbon-coating of immersion-type modifies Ni-based or cobalt-based composite electrode preparation method and applications |
| CN110227485A (en) * | 2019-05-20 | 2019-09-13 | 广东国能中林实业有限公司 | A kind of the water electrolysis hydrogen production energy ruthenium doping iron nickel alloy catalyst and preparation method |
| CN111668499A (en) * | 2020-04-20 | 2020-09-15 | 中山大学 | Polyaniline-derived nitrogen-doped carbon-supported multi-element alloy catalyst and preparation method and application thereof |
-
2018
- 2018-06-27 CN CN201810673736.3A patent/CN108842160A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898097A (en) * | 2019-01-07 | 2019-06-18 | 江苏大学 | Monatomic iron-the carbon-coating of immersion-type modifies Ni-based or cobalt-based composite electrode preparation method and applications |
| CN110227485A (en) * | 2019-05-20 | 2019-09-13 | 广东国能中林实业有限公司 | A kind of the water electrolysis hydrogen production energy ruthenium doping iron nickel alloy catalyst and preparation method |
| CN111668499A (en) * | 2020-04-20 | 2020-09-15 | 中山大学 | Polyaniline-derived nitrogen-doped carbon-supported multi-element alloy catalyst and preparation method and application thereof |
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Application publication date: 20181120 |