CN107217219A - It is a kind of for Fe Co P C systems amorphous elctro-catalyst of efficient evolving hydrogen reaction and preparation method thereof - Google Patents

It is a kind of for Fe Co P C systems amorphous elctro-catalyst of efficient evolving hydrogen reaction and preparation method thereof Download PDF

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CN107217219A
CN107217219A CN201710429114.1A CN201710429114A CN107217219A CN 107217219 A CN107217219 A CN 107217219A CN 201710429114 A CN201710429114 A CN 201710429114A CN 107217219 A CN107217219 A CN 107217219A
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elctro
catalyst
systems
alloy
amorphous
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CN107217219B (en
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张博
张发宝
吴继礼
蒋伟
胡青卓
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Hefei University of Technology
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Hefei University of Technology
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C45/00Amorphous alloys
    • C22C45/02Amorphous alloys with iron as the major constituent
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/11Making amorphous alloys
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C33/00Making ferrous alloys
    • C22C33/003Making ferrous alloys making amorphous alloys
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C45/00Amorphous alloys
    • C22C45/04Amorphous alloys with nickel or cobalt as the major constituent
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00Electrolytic production of inorganic compounds or non-metals
    • C25B1/01Products
    • C25B1/02Hydrogen or oxygen
    • C25B1/04Hydrogen or oxygen by electrolysis of water
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/051Electrodes formed of electrocatalysts on a substrate or carrier
    • C25B11/055Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material
    • C25B11/057Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material consisting of a single element or compound
    • C25B11/061Metal or alloy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/36Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

Abstract

The invention discloses a kind of for Fe Co P C systems amorphous elctro-catalyst of efficient evolving hydrogen reaction and preparation method thereof, it is characterised in that:Elctro-catalyst is Fe Co P C systems amorphous alloy strips, and its composition is Fe80‑xCoxP20‑yCy, 0≤x≤50,0≤y≤15, wherein x and y are respectively the atomic percentage of Co elements and C element in Fe Co P C systems amorphous alloy strips.The elctro-catalyst of the present invention is prepared using melt spinning method method, and preparation method is simple, easy to operate, cost is low, environment-friendly, and whole preparation process does not need special installation, can carry out large-scale industrial production, and obtained alloy strip steel rolled stock quality is higher;Fe Co P C frenulums materials prepared by the inventive method can realize the advantages of good conductivity, avtive spot are more, electro catalytic activity is high simultaneously, be a kind of Electrocatalytic Activity for Hydrogen Evolution Reaction material with extensive industrial applications prospect.

Description

A kind of Fe-Co-P-C systems amorphous elctro-catalyst and its system for efficient evolving hydrogen reaction Preparation Method
Technical field
The present invention relates to the preparation of amorphous alloy strip steel rolled stock and electrocatalysis material application field, and in particular to one kind is used for The Fe-Co-P-C systems amorphous elctro-catalyst of efficient evolving hydrogen reaction.
Background technology
Hydrogen is expected to substitute fossil fuels as a kind of preferable energy carrier as one kind cleaning, regenerative resource.Water It is a kind of effective ways for obtaining hydrogen energy source that electrolysis, which produces hydrogen,.Evolving hydrogen reaction is used as one of electro-catalysis hydrolysis important half Reaction, is the focus of current people's research.
Early stage evolving hydrogen reaction elctro-catalyst is studied, people's perpetual object is mainly the precious metal materials such as Pt, Pd.Your gold Category material limits the broad commercial applications of itself due to high cost and scarcity.With research and development in recent years, In order to avoid high use cost, transition metal alloy and its nitride, boride, carbide, sulfide and phosphide Research in terms of evolving hydrogen reaction electro-catalysis receives extensive attention.A series of transistion metal compounds are prepared out and opened up Reveal excellent electrocatalysis characteristic.Hereafter related material turns into the study hotspot of electrocatalysis material always.
Non-crystalline material, such as glassy metal (also referred to as glass metal or alloy), it is fine due to having in corrosive medium Stability and high catalytic activity, thus a kind of potential elctro-catalyst is considered by everybody.Recently, noble metal base Pd40Ni10Cu30P20With iron-based Fe40Ni40P20The electricity that glassy metal is found to have brilliance urges performance.And Fe bases nanometer material Material has also met low cost benefit by many experiments confirmation, and with good corrosion resistance characteristic and electro catalytic activity.With The material of general wet chemical method synthesis is different, and glassy metal is generally mass produced by melt spinning method method, can realized Widespread commercial application.In view of the premium properties of glassy metal, including excellent mechanical performance, low production cost and good Good corrosion resistance, designs a kind of non-crystaline amorphous metal based on transition-metal Fe, Co bases and realizes urging for high electrocatalytic properties of hydrogen evolution Agent be instantly in the urgent need to.Test result indicates that, Fe-Co-P-C amorphous alloy materials are a kind of good elctro-catalysts, There are high electrocatalytic active and long-time stability in an acidic solution.Based on its superior mechanical performance and low production cost, Current Fe-Co-P-C is likely to represent a kind of new electrocatalyst materials, with great commercial application prospect.
The content of the invention
The purpose of the present invention is to prepare a series of Fe-Co-P-C systems with superior electric catalytic activity and high stability Amorphous alloy strips are used for efficient evolving hydrogen reaction, so as to solve that existing elctro-catalyst current density is low, overpotential is high, stability is poor The problem of.
The present invention adopts the following technical scheme that to realize goal of the invention:
The present invention is used for the Fe-Co-P-C systems amorphous elctro-catalyst of efficient evolving hydrogen reaction, and its feature is:The electro-catalysis Agent is Fe-Co-P-C systems amorphous alloy strips, and its composition is Fe80-xCoxP20-yCy, 0≤x≤50,0≤y≤15, wherein x and y The atomic percentage of Co elements and C element respectively in Fe-Co-P-C systems amorphous alloy strips.
The present invention is used for the Fe-Co-P-C systems amorphous elctro-catalyst of efficient evolving hydrogen reaction, and its feature is lain also in:
Alloy raw material Fe, Co purity used in Fe-Co-P-C systems amorphous alloy strips are 99.9wt.%, remaining Material purity is not less than 99.00wt.%.
The thickness range of described Fe-Co-P-C systems amorphous alloy strips is 10-60 μm.
The preparation method of above-mentioned Fe-Co-P-C systems amorphous elctro-catalyst, comprises the following steps:
(1) preparation of master alloy ingot
According to nominal composition Fe80-xCoxP20-yCy, Fe powder, Co powder, P powder and C powder are subjected to dispensing, then in high-purity Ar gas Under atmosphere protection, with vacuum arc furnace melting, in order to ensure that the composition of alloying component is uniform, foundry alloy overturns melting repeatedly in stove More than 4 times, obtain mother alloy ingot;
(2) high vacuum gets rid of band
Mother alloy ingot made from step (1) is melted using the mode of sensing heating, then using melt spinning method method, Molten state alloy is ejected on the copper roller of rotation at a high speed under high vacuum condition, it is by the heat conduction of copper roller that molten state alloy is quick Cooling (because this cooling velocity is very fast, can reach the 104K/s-106K/s orders of magnitude, so as to when room temperature solidifies Continue to keep the disordered structure of its liquid to suppress crystallization, obtain amorphous alloy strip steel rolled stock), obtain for as elctro-catalyst Fe-Co-P-C systems amorphous alloy strips.
The present invention has the beneficial effect that:
1st, Fe-Co-P-C systems amorphous alloy strips of the invention show excellent glass in wider composition range Change Forming ability and good electro catalytic activity, be good evolving hydrogen reaction elctro-catalyst, before widespread commercialization application Scape.
2nd, elctro-catalyst of the invention is prepared using melt spinning method method, and preparation method is simple, easy to operate, cost is low, environment Close friend, whole preparation process does not need special installation, can carry out large-scale industrial production, obtained alloy strip steel rolled stock quality compared with It is high;Fe-Co-P-C frenulums material prepared by the inventive method can realize that good conductivity, avtive spot be more, electro catalytic activity is high simultaneously The advantages of.
Brief description of the drawings
Fig. 1 is the Fe prepared by embodiment 140Co40P13C7The X ray diffracting spectrum and progress 20h of amorphous alloy strips Electrocatalytic reaction after sample X ray diffracting spectrum;
Fig. 2 is the Fe prepared by embodiment 140Co40P13C7The transmission electron microscope figure of amorphous alloy strips;
Fig. 3 is the Fe prepared by embodiment 140Co40P13C7Amorphous alloy strips are in 0.5M H2SO4It is linear in electrolyte Scan voltammetry performance curve.
Embodiment
The Fe-Co-P-C systems amorphous alloy strips of following embodiments are prepared using melt spinning method method, device therefor model: WK, Beijing thing section, China.
The amorphous characteristic of Fe-Co-P-C systems amorphous alloy strips is examined using X-ray diffraction method (XRD) obtained by following embodiments Survey, device therefor model:X ' Pert Pro MPD X-ray diffractometers, PANalytical (Panalytical), Holland.
The electro catalytic activity of Fe-Co-P-C systems amorphous alloy strips is obtained using electrochemical workstation obtained by following embodiments , device therefor model:CHI 760E, Shanghai morning is magnificent, China.
Embodiment 1
The present embodiment prepares Fe as follows40Co40P13C7Amorphous alloy strips:
(1) preparation of master alloy ingot
According to nominal composition Fe40Co40P13C7, purity is not less than for 99.9wt.% Fe powder, Co powder and purity 99.00wt.%P powder and C powder carry out dispensing, then under high-purity Ar gas shielded, with vacuum arc furnace melting, in order to ensure alloy The composition of composition is uniform, and foundry alloy overturns melting more than 4 times repeatedly in stove, slowly melting phosphorus of being tried one's best in each fusion process Iron and carbon dust, prevent temperature is too high from causing raw material to volatilize, and mother alloy ingot is obtained after finally cooling down.
(2) high vacuum gets rid of band
Using the mode of sensing heating by mother alloy ingot refuse made from step (1), melt spinning method is then utilized Molten state alloy, is ejected on the copper roller of rotation at a high speed, is closed molten state by the heat conduction of copper roller by method in high vacuum conditions Golden quick cooling, with obtain wide~2mm, thickness~35 μm Fe40Co40P13C7Amorphous alloy strips.
Fe obtained by the present embodiment is characterized with X-ray diffraction method40Co40P13C7Amorphous alloy strips (the As- in corresponding diagram Prepared structure), as a result as shown in figure 1, only existing unique width on the XRD spectral lines of non-crystaline amorphous metal and the broad peak of disperse, Do not see that substantially diffraction maximum corresponding with crystal phase is present, this is the characteristic feature of non-crystaline amorphous metal, can be concluded that these alloys Band is complete amorphous microstructure.The Fe of the present embodiment40Co40P13C7After electrocatalytic reaction of the amorphous alloy strips through 20h (the 20h tested in corresponding diagram), its XRD result, which is shown, still has obvious amorphous peak, illustrates that this kind of FeCo bases amorphous is closed Gold ribbon material has good corrosion resistance.
Reduction processing is carried out to non-crystaline amorphous metal obtained by the present embodiment using Ion Beam Thinner, then passes through transmission electron microscope table again Surface topography is levied, as shown in Fig. 2 there is not obvious lattice fringe, diffraction spot and crystal diffraction ring, is proved again Gained alloy is amorphous structure.
Under the conditions of microwave power 100W, by the Fe obtained by the present embodiment40Co40P13C7Amorphous alloy strips are in acetone Ultrasound 30 minutes, is then washed, vacuum drying chamber is dried, and obtains the test of surface cleaning with deionized water and absolute ethyl alcohol successively Sample;Gained test specimens are used for electrolysis water (evolving hydrogen reaction) electrocatalytic reaction, electro-chemical activity test is carried out:Test specimens are clipped in On corresponding electrode holder, tested using three-electrode system with linear sweep voltammetry, electrolyte is 0.5M H2SO4Solution, Measurement under speed is swept for 100mV/s in sweep speed, as a result shows that sample current density can reach in overpotential 124mV 10mAcm-2
Embodiment 2
The present embodiment prepares Fe-Co-P-C systems amorphous elctro-catalyst by the identical method of embodiment 1, differs only in change Nominal composition during each feed proportioning, to obtain the band of heterogeneity.The dimensional parameters of gained sample are as shown in table 1, through table Levy, each sample is all amorphous structure, and with good electro catalytic activity.
The composition and dimensional parameters of the Fe-Co-P-C systems amorphous alloy strips sample segment of table 1
Sample composition Width (mm) Thickness (um)
Fe72Co8P13C7 2.99 39
Fe64Co16P13C7 1.80 51
Fe56Co24P13C7 1.86 31
Fe48Co32P13C7 2.30 47
Fe40Co40P13C7 2.04 35
Fe26Co44P15C15 2.24 29
Fe45Co35P20 1.99 28
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and Any modifications, equivalent substitutions and improvements made within principle etc., should be included in the scope of the protection.

Claims (4)

1. a kind of Fe-Co-P-C systems amorphous elctro-catalyst for efficient evolving hydrogen reaction, it is characterised in that:The elctro-catalyst is Fe-Co-P-C systems amorphous alloy strips, its composition is Fe80-xCoxP20-yCy, 0≤x≤50,0≤y≤15, wherein x and y difference For the atomic percentage of Co elements and C element in Fe-Co-P-C systems amorphous alloy strips.
2. Fe-Co-P-C systems amorphous elctro-catalyst according to claim 1, it is characterised in that:The Fe-Co-P-C systems are non- Alloy raw material Fe, Co purity used in peritectic alloy band is 99.9wt.%, and remaining material purity is not less than 99.00wt.%.
3. Fe-Co-P-C systems amorphous elctro-catalyst according to claim 1 or 2, it is characterised in that:Described Fe-Co-P- The thickness range of C systems amorphous alloy strips is 10-60 μm.
4. the preparation method of Fe-Co-P-C systems amorphous elctro-catalyst described in any one, its feature in a kind of claims 1 to 3 It is, comprises the following steps:
(1) preparation of master alloy ingot
According to nominal composition Fe80-xCoxP20-yCy, Fe powder, Co powder, P powder and C powder are subjected to dispensing, then in high-purity Ar gas shielded Under, with vacuum arc furnace melting, in order to ensure that the composition of alloying component is uniform, foundry alloy overturn melting repeatedly in stove 4 times with On, obtain mother alloy ingot;
(2) high vacuum gets rid of band
Mother alloy ingot made from step (1) is melted using the mode of sensing heating, then using melt spinning method method, in Gao Zhen Molten state alloy is ejected on the copper roller of rotation at a high speed under empty condition, by the heat conduction of copper roller by the fast quickly cooling of molten state alloy But, obtain for the Fe-Co-P-C systems amorphous alloy strips as elctro-catalyst.
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Cited By (19)

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CN108325544A (en) * 2018-01-31 2018-07-27 中国科学院合肥物质科学研究院 A kind of ternary Cu-Co-P nanometer rods and the preparation method and application thereof
CN108660474A (en) * 2018-06-01 2018-10-16 北京航空航天大学 (FeaCobNic)xMyRzSystem's analysis oxygen catalysis material and the application on Oxygen anodic evolution electrode
CN108914156A (en) * 2018-08-30 2018-11-30 合肥工业大学 A kind of Fe-Co-Mo-P-C system amorphous alloy elctro-catalyst and its preparation method and application
CN109023161A (en) * 2018-08-30 2018-12-18 合肥工业大学 A kind of Fe-Ni-P-C system amorphous alloy elctro-catalyst and its preparation method and application
CN109126834A (en) * 2018-08-30 2019-01-04 合肥工业大学 A kind of FeSe base noncrystal membrane catalyst and the preparation method and application thereof
CN109136981A (en) * 2018-08-30 2019-01-04 合肥工业大学 A kind of FeCo base metal glass film elctro-catalyst and the preparation method and application thereof
CN109338405A (en) * 2018-11-16 2019-02-15 佛山科学技术学院 A kind of amorphous state electro catalytic electrode and its preparation method and application
CN109518215A (en) * 2018-11-16 2019-03-26 佛山科学技术学院 A kind of nano-meter porous amorphous state electro catalytic electrode and its preparation method and application
CN110339850A (en) * 2019-08-21 2019-10-18 合肥工业大学 A kind of Fe-Co-Ni-P-C system high-entropy alloy elctro-catalyst and preparation method thereof for evolving hydrogen reaction
CN110358985A (en) * 2019-08-21 2019-10-22 合肥工业大学 A method of improving Fe-Co-P-C system amorphous alloy electrocatalysis characteristic
CN110404566A (en) * 2019-08-30 2019-11-05 安徽理工大学 It is a kind of to regulate and control the agent of pattern CoFeP Electrocatalytic Activity for Hydrogen Evolution Reaction, preparation method and application by the zinc of substrate of carbon cloth
CN110923746A (en) * 2018-09-20 2020-03-27 天津大学 Nano-porous Fe-P-C material, preparation method thereof and application thereof in hydrogen production by water electrolysis
CN110952110A (en) * 2018-09-27 2020-04-03 天津大学 Nano-porous Pd-Fe-P-C material, preparation method thereof and application thereof in hydrogen production by water electrolysis
CN111485249A (en) * 2020-04-30 2020-08-04 东南大学 Method for improving catalytic hydrogen evolution performance of iron-based amorphous alloy
CN112981442A (en) * 2021-02-08 2021-06-18 东南大学 FeCoMoPC amorphous alloy for alkaline full-hydrolysis and preparation method thereof
CN113549952A (en) * 2021-07-23 2021-10-26 合肥工业大学 Method for preparing Fe-based porous catalytic material for efficient oxygen evolution reaction based on dealloying
CN113546655A (en) * 2021-07-23 2021-10-26 合肥工业大学 Fe-Co-P-C amorphous alloy catalyst for efficiently degrading dye and preparation method and application thereof
CN115044841A (en) * 2022-05-13 2022-09-13 大连理工大学 Co-based bulk amorphous alloy with high saturation magnetic induction and large supercooling liquid phase region and preparation method thereof
CN116334663A (en) * 2023-05-29 2023-06-27 中石油深圳新能源研究院有限公司 Method and device for preparing amorphous transition metal nitride electrocatalyst

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CN108660474B (en) * 2018-06-01 2020-02-07 北京航空航天大学 (FeaCobNic)xMyRzOxygen evolution catalytic material and application thereof on anode oxygen evolution electrode
CN108660474A (en) * 2018-06-01 2018-10-16 北京航空航天大学 (FeaCobNic)xMyRzSystem's analysis oxygen catalysis material and the application on Oxygen anodic evolution electrode
CN108914156A (en) * 2018-08-30 2018-11-30 合肥工业大学 A kind of Fe-Co-Mo-P-C system amorphous alloy elctro-catalyst and its preparation method and application
CN109023161A (en) * 2018-08-30 2018-12-18 合肥工业大学 A kind of Fe-Ni-P-C system amorphous alloy elctro-catalyst and its preparation method and application
CN109126834A (en) * 2018-08-30 2019-01-04 合肥工业大学 A kind of FeSe base noncrystal membrane catalyst and the preparation method and application thereof
CN109136981A (en) * 2018-08-30 2019-01-04 合肥工业大学 A kind of FeCo base metal glass film elctro-catalyst and the preparation method and application thereof
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CN110952110A (en) * 2018-09-27 2020-04-03 天津大学 Nano-porous Pd-Fe-P-C material, preparation method thereof and application thereof in hydrogen production by water electrolysis
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CN110339850A (en) * 2019-08-21 2019-10-18 合肥工业大学 A kind of Fe-Co-Ni-P-C system high-entropy alloy elctro-catalyst and preparation method thereof for evolving hydrogen reaction
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CN113549952A (en) * 2021-07-23 2021-10-26 合肥工业大学 Method for preparing Fe-based porous catalytic material for efficient oxygen evolution reaction based on dealloying
CN113546655A (en) * 2021-07-23 2021-10-26 合肥工业大学 Fe-Co-P-C amorphous alloy catalyst for efficiently degrading dye and preparation method and application thereof
CN115044841A (en) * 2022-05-13 2022-09-13 大连理工大学 Co-based bulk amorphous alloy with high saturation magnetic induction and large supercooling liquid phase region and preparation method thereof
CN116334663A (en) * 2023-05-29 2023-06-27 中石油深圳新能源研究院有限公司 Method and device for preparing amorphous transition metal nitride electrocatalyst

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