CN103055895A - Method for preparing core-shell type nano-porous platinum alloy catalyst - Google Patents
Method for preparing core-shell type nano-porous platinum alloy catalyst Download PDFInfo
- Publication number
- CN103055895A CN103055895A CN2013100145862A CN201310014586A CN103055895A CN 103055895 A CN103055895 A CN 103055895A CN 2013100145862 A CN2013100145862 A CN 2013100145862A CN 201310014586 A CN201310014586 A CN 201310014586A CN 103055895 A CN103055895 A CN 103055895A
- Authority
- CN
- China
- Prior art keywords
- powder
- pure
- ball
- alloy
- shell type
- 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.)
- Pending
Links
Abstract
The invention belongs to the technical field of nanometallic materials, and relates to a method for preparing a core-shell type nano-porous platinum alloy catalyst. The method comprises the following steps of: weighing pure Al powder, pure Pt powder and pure X element powder according to an alloy composition proportion of Al-Pt-X (X is at least one of Ni, Co, Cu, Fe or Ti), and mechanically alloying the weighed pure Al powder, pure Pt powder and pure X element powder in a ball grinding mill to obtain Al-Pt-X alloy powder; and de-alloying the Al-Pt-X alloy powder in an alkaline solution and an acid solution sequentially, selectively removing Al element and partial X element, thus obtaining the core-shell type nano-porous platinum alloy catalyst. A mechanical alloying method is adopted to prepare a precursor alloy, the technology is simple, the production efficiency is greatly increased, the obtained nano-porous platinum-base alloy is small in size and of a core-shell type nano-porous structure, and the catalyst has a high specific surface area and can serve as a fuel cell catalyst.
Description
Technical field
The invention belongs to the nano metal material preparation field, relate in particular to a kind of preparation method of core-shell type nano porous platinum based alloy catalyst.
Background technology
The appearance of the energy crisis that the environmental pollution that causes along with traditional fossil fuel excessive use and the exhaustion of fossil fuel bring, the exploitation of sustainable energy and high efficient energy sources reforming unit more and more is subject to people's attention.Wherein, fuel cell is owing to having the favor that the advantage of environmental friendliness and designability more and more is subject to people.Proton Exchange Membrane Fuel Cells (PEMFC) shows the highest power density in all type of fuel cell, the characteristic that has simultaneously the most fast startup and switch circulation, therefore be applicable to very much compact power and means of transport, in technology and application facet prospect arranged more.
In the composition of PEMFC, the catalyst based and associated catalyst layer of Pt accounts for more than 55% of whole battery cost, therefore the expensive principal element that limits its commercial applications that becomes.But in the PEMFC of reality, the catalyst based only current option that is still of Pt.The catalytic capability of conventional carbon supported catalyst is low, poor stability, utilization rate are low, in order to reduce the utilization rate of cost and raising Pt, people are devoted to design the Pt nano-structured calalyst with synthesizing new, and one of them main direction is that synthetic PtX(X element is generally transition element) alloy replaces pure Pt catalyst.People mainly prepare Pt alloy nanoparticle (Z.Peng, H.Yang, Nano Today by chemical reduction method at present, 2009,4,143.H.R.Colon-Mercado, B.N.Popov, J.Power Sources, 2006,155,253), usually need to use slaine and reducing agent in the reducing process as presoma, these presomas have important impact to size and the pattern of synthetic PtX alloy nanoparticle, exist simultaneously the problem of stability in the use procedure.In addition, people prepare nanometer Pt alloy catalyst (M.E.Baumgartner, the Ch.J.Raub with nucleocapsid structure by methods such as electro-deposition, underpotential depositions, Platinum Met.Rev., 1988,32,188.J.Zhang, Y.Mo, M.B.Vukmirovic, R.Klie, K.Sasaki, R.R.Adzic, J.Phys.Chem.B, 2004,108,10955), further improved the utilization rate of Pt.Although above method all can be prepared the Pt based alloy catalyst of nanoscale, exist the process complexity, need accurately the problems such as control experiment condition, therefore can't mass production, and wayward alloy proportion, be unfavorable for industrial applying.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, the preparation method of the core-shell type nano porous platinum based alloy catalyst that a kind of cost is lower, technique simple, be produced on a large scale is provided.
The present invention is achieved in the following ways:
A kind of preparation method of core-shell type nano porous platinum based alloy catalyst is characterized in that may further comprise the steps:
(1) being at least a among Ni, Co, Cu, Fe or the Ti by Al-Pt-X(X) the alloying component proportioning takes by weighing the powder of pure Al powder, pure Pt powder and pure X element successively, wherein, the atomic percent of Al is 60-90%, the atomic percent 1-10% of Pt, and all the other are the X element;
(2) powder with pure Al powder, pure Pt powder, pure X element mixes, and be that 15～30:1 takes by weighing abrading-ball according to ratio of grinding media to material, use the abrading-ball of three kinds of different-diameters (to adopt the abrading-ball of different-diameter size, can make like this mechanical milling process rapider, and the powder size uniform), and its mass ratio be 1:1:1; The material of ball grinder and abrading-ball is preferably zirconia, and (zirconia can not introduced impurity in mechanical milling process, and the employing stainless steel, carbide alloy or alumina balls can be introduced iron in process of lapping, the impurity such as aluminium oxide), the metal powder material and the abrading-ball that weigh up are added ball grinder, then (grinding aid is stearic acid to add grinding aid, consumption be the metal powder material gross mass 1%), carrying out mechanical alloying in ball mill processes, setting drum's speed of rotation is 200-400 rev/min, revolution stopped 10 minutes in 30 minutes, whole Ball-milling Time is 100-200 hour, can obtain the Al-Pt-X alloy powder;
(3) the Al-Pt-X alloy powder is at first taken off Alloying Treatment in the NaOH of 0.2-5.0mol/L or potassium hydroxide aqueous solution, treatment temperature is 20-60 ℃, and the processing time is 1-10 hour, after the processing sample is washed till neutrality with deionized water; And then the sample after will processing takes off Alloying Treatment in the aqueous solution of nitric acid of 0.5-8.0mol/L, treatment temperature is 20-60 ℃, processing time is 1.5-8 hour, again sample is washed till neutrality with deionized water after the processing, dry with being placed in the vacuum tank, namely get core-shell type nano porous platinum base alloy powder.
The present invention adopts the Al base presoma alloy of Rational Composition proportioning, by simple mechanical alloying with take off the method for alloy phase combination, the X element of the Al element in the selective removal Al-Pt-X alloy powder and part can the less core-shell type nano porous platinum based alloy catalyst of preparation size.This catalyst is the core-shell type nano loose structure, and the hole is of a size of the 2-8 nanometer, and hole wall is thick to be the 2-6 nanometer, and the rich Pt in hole wall top layer, and inside is the PtX alloy, and has very high specific area.Technical process of the present invention is simple, and production efficiency is high, by controlling the ball milling parameter and taking off the parameters such as alloying etching time and temperature, can regulate and control easily size and the composition of nanoporous platinum base alloy powder simultaneously.
The specific embodiment
The invention will be further described below in conjunction with specific embodiment.Following explanation only is in order to explain the present invention, its content not to be limited.
Embodiment 1
(1) take by weighing successively pure Al powder, pure Ni powder and pure Pt powder (purity 〉=99.5%, mass ratio) by atomic percent 70%Al, 29%Ni and 1%Pt, nominal is got 30g.Adopt the zirconia ball grinding jar, 15:1 takes by weighing zirconia ball by ratio of grinding media to material, and wherein diameter is that 10 millimeters, 6 millimeters, 4 millimeters mill ball quality ratio is 1:1:1, takes by weighing grinding aid (stearic acid), and its weight is the 1%(mass ratio of metal powder material).
(2) order according to " expecting behind the first ball " joins powder and abrading-ball in the ball grinder, setting the high energy ball mill rotating speed is 300 rev/mins, and revolution stopped 10 minutes in 30 minutes, set automatic rotating, Ball-milling Time is 150 hours, obtains the Al-Pt-Ni alloy powder after the ball-milling treatment.
(3) adopt AR and distilled water preparation 2M(M=mol/L, sodium hydrate aqueous solution down together), aqueous solution of nitric acid with red fuming nitric acid (RFNA) and distilled water configuration 2M, then the Al-Pt-Ni alloy powder that obtains is at first taken off Alloying Treatment in sodium hydroxide solution, the control reaction temperature is 20 ℃, and the reaction time is 10 hours.After the processing sample is washed till neutrality, and then sample is taken off Alloying Treatment in salpeter solution, the control reaction temperature is 20 ℃, and the reaction time is 8 hours.
(4) will react product-collecting after finishing, repeatedly wash to neutrality with deionized water, and be placed in the vacuum tank dryly, can obtain nanoporous PtNi alloy powder.
Embodiment 2
(1) take by weighing successively pure Al powder, pure Ni powder and pure Pt powder (purity 〉=99.5%, mass ratio) by atomic percent 60%Al, 30%Ni and 10%Pt, nominal is got 30g.Adopt the zirconia ball grinding jar, 20:1 takes by weighing zirconia ball by ratio of grinding media to material, and wherein diameter is that the mass ratio of 10 millimeters, 6 millimeters, 4 millimeters abrading-balls is 1:1:1, takes by weighing grinding aid (stearic acid), and its weight is the 1%(mass ratio of metal powder material).
(2) order according to " expecting behind the first ball " joins powder and abrading-ball in the ball grinder, setting the high energy ball mill rotating speed is 200 rev/mins, and revolution stopped 10 minutes in 30 minutes, set automatic rotating, Ball-milling Time is 200 hours, obtains the Al-Pt-Ni alloy powder after the ball-milling treatment.
(3) adopt AR and distilled water to prepare the potassium hydroxide aqueous solution of 0.2M, aqueous solution of nitric acid with red fuming nitric acid (RFNA) and distilled water configuration 0.5M, then the Al-Pt-Ni alloy powder that obtains is at first taken off Alloying Treatment in potassium hydroxide solution, the control reaction temperature is 40 ℃, and the reaction time is 5 hours.After the processing sample is washed till neutrality, and then sample is taken off Alloying Treatment in salpeter solution, the control reaction temperature is 40 ℃, and the reaction time is 4 hours.
(4) will react product-collecting after finishing, repeatedly wash to neutrality with deionized water, and be placed in the vacuum tank dryly, can obtain nanoporous PtNi alloy powder.
Embodiment 3
(1) take by weighing successively pure Al powder, pure Ni powder and pure Pt powder (purity 〉=99.5%, mass ratio) by atomic percent 80%Al, 15%Ni and 5%Pt, nominal is got 30g.Adopt the zirconia ball grinding jar, 30:1 takes by weighing zirconia ball by ratio of grinding media to material, and wherein diameter is that the mass ratio of 10 millimeters, 6 millimeters, 4 millimeters abrading-balls is 1:1:1, takes by weighing grinding aid (stearic acid), and its weight is the 1%(mass ratio of metal powder material).
(2) order according to " expecting behind the first ball " joins powder and abrading-ball in the ball grinder, setting the high energy ball mill rotating speed is 400 rev/mins, and revolution stopped 10 minutes in 30 minutes, set automatic rotating, Ball-milling Time is 100 hours, obtains the Al-Pt-Ni alloy powder after the ball-milling treatment.
(3) adopt AR and distilled water to prepare the sodium hydrate aqueous solution of 5M, aqueous solution of nitric acid with red fuming nitric acid (RFNA) and distilled water configuration 8M, then the Al-Pt-Ni alloy powder that obtains is at first taken off Alloying Treatment in sodium hydroxide solution, the control reaction temperature is 60 ℃, and the reaction time is 1 hour.After the processing sample is washed till neutrality, and then sample is taken off Alloying Treatment in salpeter solution, the control reaction temperature is 60 ℃, and the reaction time is 1.5 hours.
(4) will react product-collecting after finishing, repeatedly wash to neutrality with deionized water, and be placed in the vacuum tank dryly, can obtain nanoporous PtNi alloy powder.
Embodiment 4
Except taking by weighing successively pure Al powder, pure Co powder and pure Pt powder (purity 〉=99.5% by atomic percent 90%Al, 8%Co and 2%Pt, mass ratio), take off the alloy alkaline solution and adopt potassium hydroxide aqueous solution, obtain outside the nanoporous PtCo alloy powder, other operate with embodiment 1.
Embodiment 5
Except taking by weighing successively pure Al powder, pure Cu powder and pure Pt powder (purity 〉=99.5%, mass ratio) by atomic percent 80%Al, 17%Cu and 3%Pt, obtain outside the nanoporous PtCu alloy powder, other operate with embodiment 1.
Embodiment 6
Except taking by weighing successively pure Al powder, pure Ti powder and pure Pt powder (purity 〉=99.5%, mass ratio) by atomic percent 75%Al, 19%Ti and 6%Pt, obtain outside the nanoporous PtTi alloy powder, other operate with embodiment 2.
Embodiment 7
Except taking by weighing successively pure Al powder, pure Fe powder and pure Pt powder (purity 〉=99.5%, mass ratio) by atomic percent 70%Al, 22%Fe and 8%Pt, obtain outside the nanoporous PtFe alloy powder, other operate with embodiment 3.
Embodiment 8
Except taking by weighing successively pure Al powder, pure Ni powder, pure Co powder and pure Pt powder (purity 〉=99.5%, mass ratio) by atomic percent 70%Al, 14%Ni, 14%Co and 2%Pt, obtain outside the nanoporous PtNiCo alloy powder, other operate with embodiment 1.
Embodiment 9
Except taking by weighing successively pure Al powder, pure Cu powder, pure Ti powder and pure Pt powder (purity 〉=99.5%, mass ratio) by atomic percent 65%Al, 16%Cu, 16%Ti and 3%Pt, obtain outside the nanoporous PtCuTi alloy powder, other operate with embodiment 1.
Embodiment 10
Except taking by weighing successively pure Al powder, pure Ni powder, pure Co powder, pure Cu powder and pure Pt powder (purity 〉=99.5% by atomic percent 60%Al, 12%Ni, 12%Co, 12%Cu and 4%Pt, mass ratio), obtain outside the nanoporous PtNiCoCu alloy powder, other operate with embodiment 1.
Claims (3)
1. the preparation method of a core-shell type nano porous platinum based alloy catalyst is characterized in that may further comprise the steps:
(1) take by weighing successively the powder of pure Al powder, pure Pt powder and pure X element by Al-Pt-X alloying component proportioning, wherein, X is at least a among Ni, Co, Cu, Fe or the Ti, and the atomic percent of Al is 60-90%, the atomic percent 1-10% of Pt, and all the other are the X element;
(2) powder with pure Al powder, pure Pt powder, pure X element mixes, and be that 15～30:1 takes by weighing abrading-ball according to ball material mass ratio, then use stearic acid as grinding aid, in ball mill, carry out mechanical alloying and processed 100-200 hour, obtain the Al-Pt-X alloy powder;
(3) the Al-Pt-X alloy powder that step (2) is obtained at first takes off Alloying Treatment in the NaOH of 0.2-5.0mol/L or potassium hydroxide aqueous solution, after the processing sample is washed till neutrality with deionized water, and then the sample after will processing takes off Alloying Treatment in the aqueous solution of nitric acid of 0.5-8.0mol/L, again sample is washed till neutrality with deionized water after the processing, dry with being placed in the vacuum tank, namely get nanoporous platinum base alloy powder.
2. the preparation method of described a kind of core-shell type nano porous platinum based alloy catalyst according to claim 1, it is characterized in that: stearic addition is 1% of metal powder material gross mass in the step (2); The material of ball grinder and abrading-ball is zirconia, use the abrading-ball of three kinds of different-diameters, and the mass ratio of three kinds of different-diameter abrading-balls is 1:1:1; When mechanical alloying was processed, setting drum's speed of rotation was 200-400 rev/min, and revolution stopped 10 minutes in 30 minutes.
3. the preparation method of described a kind of core-shell type nano porous platinum based alloy catalyst according to claim 1 and 2, it is characterized in that: in the step (3), the temperature of taking off Alloying Treatment in NaOH or potassium hydroxide aqueous solution is 20-60 ℃, and the processing time is 1-10 hour; When aqueous solution of nitric acid took off Alloying Treatment, treatment temperature was 20-60 ℃, and the processing time is 1.5-8 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100145862A CN103055895A (en) | 2013-01-15 | 2013-01-15 | Method for preparing core-shell type nano-porous platinum alloy catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100145862A CN103055895A (en) | 2013-01-15 | 2013-01-15 | Method for preparing core-shell type nano-porous platinum alloy catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103055895A true CN103055895A (en) | 2013-04-24 |
Family
ID=48098962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100145862A Pending CN103055895A (en) | 2013-01-15 | 2013-01-15 | Method for preparing core-shell type nano-porous platinum alloy catalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103055895A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406128A (en) * | 2013-08-13 | 2013-11-27 | 山东大学 | Preparation method of nano-particles with nano-grade porous structure |
| CN103908961A (en) * | 2014-04-14 | 2014-07-09 | 安徽星宇化工有限公司 | Nano aluminum-platinum catalyst, production method and application of nano aluminum-platinum catalyst, as well as preparation method of 2-pyridinemethanol |
| CN103924117A (en) * | 2014-04-28 | 2014-07-16 | 山东大学 | Nano porous electrochemical drive device and preparation method thereof |
| CN105280929A (en) * | 2015-11-27 | 2016-01-27 | 常熟理工学院 | Three-dimensional nano porous Pt3Y alloy used as oxygen reduction electric catalyst as well as preparation method thereof and test method for oxygen reduction performance |
| CN105709779A (en) * | 2016-02-01 | 2016-06-29 | 山东大学 | Nano porous copper/platinum core-shell structure catalytic electrode and preparation method thereof |
| CN106180695A (en) * | 2016-08-08 | 2016-12-07 | 北方工业大学 | Preparation method of novel Yolk-shell structure nano catalytic reactor |
| CN108110265A (en) * | 2017-12-18 | 2018-06-01 | 济南大学 | A kind of Au@Au/Pt nuclear shell structured nano catalyst for alcohol fuel battery |
| CN113351215A (en) * | 2020-03-05 | 2021-09-07 | 石河子市中易连疆新能源有限责任公司 | Core-shell structure catalyst, preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62144750A (en) * | 1985-12-20 | 1987-06-27 | Tanaka Kikinzoku Kogyo Kk | Preparation of platinum group oxidizing catalyst |
| CN101337193A (en) * | 2008-08-04 | 2009-01-07 | 山东大学 | Method of surface nano-crystallization of noble metal catalyst |
-
2013
- 2013-01-15 CN CN2013100145862A patent/CN103055895A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62144750A (en) * | 1985-12-20 | 1987-06-27 | Tanaka Kikinzoku Kogyo Kk | Preparation of platinum group oxidizing catalyst |
| CN101337193A (en) * | 2008-08-04 | 2009-01-07 | 山东大学 | Method of surface nano-crystallization of noble metal catalyst |
Non-Patent Citations (3)
| Title |
|---|
| ZHONGHUA ZHANG等: "Nanoporous bimetallic Pt-Au alloy nanocomposites with superior catalytic activity towards electro-oxidation of methanol and formic acid", 《NANOSCALE》 * |
| 王荣跃: "直接甲酸染料电池催化剂的设计、制备与性能研究", 《中国博士学位论文全文数据库工程科技II辑》 * |
| 陈振华等: "《机械合金化与固液反应球磨》", 28 February 2006 * |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406128A (en) * | 2013-08-13 | 2013-11-27 | 山东大学 | Preparation method of nano-particles with nano-grade porous structure |
| CN105170141B (en) * | 2014-04-14 | 2018-09-25 | 安徽星宇化工有限公司 | A kind of nano aluminum platinum catalyst and its application |
| CN105170142B (en) * | 2014-04-14 | 2017-10-31 | 安徽星宇化工有限公司 | A kind of nano aluminum platinum catalyst and its preparation method and application |
| CN105170141A (en) * | 2014-04-14 | 2015-12-23 | 安徽星宇化工有限公司 | Nano aluminum-platinum catalyst and applications thereof |
| CN105170142A (en) * | 2014-04-14 | 2015-12-23 | 安徽星宇化工有限公司 | Nano aluminum-platinum catalyst, preparation method and applications thereof |
| CN103908961B (en) * | 2014-04-14 | 2016-01-20 | 安徽星宇化工有限公司 | A kind of preparation method of 2-pyridinemethanol |
| CN103908961A (en) * | 2014-04-14 | 2014-07-09 | 安徽星宇化工有限公司 | Nano aluminum-platinum catalyst, production method and application of nano aluminum-platinum catalyst, as well as preparation method of 2-pyridinemethanol |
| CN103924117A (en) * | 2014-04-28 | 2014-07-16 | 山东大学 | Nano porous electrochemical drive device and preparation method thereof |
| CN105280929A (en) * | 2015-11-27 | 2016-01-27 | 常熟理工学院 | Three-dimensional nano porous Pt3Y alloy used as oxygen reduction electric catalyst as well as preparation method thereof and test method for oxygen reduction performance |
| CN105709779A (en) * | 2016-02-01 | 2016-06-29 | 山东大学 | Nano porous copper/platinum core-shell structure catalytic electrode and preparation method thereof |
| CN106180695A (en) * | 2016-08-08 | 2016-12-07 | 北方工业大学 | Preparation method of novel Yolk-shell structure nano catalytic reactor |
| CN106180695B (en) * | 2016-08-08 | 2018-01-02 | 北方工业大学 | Preparation method of novel Yolk-shell structure nano catalytic reactor |
| CN108110265A (en) * | 2017-12-18 | 2018-06-01 | 济南大学 | A kind of Au@Au/Pt nuclear shell structured nano catalyst for alcohol fuel battery |
| CN108110265B (en) * | 2017-12-18 | 2020-07-07 | 济南大学 | Au @ Au/Pt core-shell structure nano catalyst for alcohol fuel cell |
| CN113351215A (en) * | 2020-03-05 | 2021-09-07 | 石河子市中易连疆新能源有限责任公司 | Core-shell structure catalyst, preparation method and application thereof |
| CN113351215B (en) * | 2020-03-05 | 2022-12-20 | 石河子市中易连疆新能源有限责任公司 | Core-shell structure catalyst, preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103055895A (en) | Method for preparing core-shell type nano-porous platinum alloy catalyst | |
| Yao et al. | Facile synthesis of graphene-supported Ni-CeO x nanocomposites as highly efficient catalysts for hydrolytic dehydrogenation of ammonia borane | |
| He et al. | Defect engineering on electrocatalysts for gas-evolving reactions | |
| CN102363217B (en) | Method for preparing nanometer porous copper powder | |
| Xu et al. | Electrochemical synthesis of ammonia using a cell with a Nafion membrane and SmFe 0.7 Cu 0.3− x Ni x O 3 (x= 0− 0.3) cathode at atmospheric pressure and lower temperature | |
| CN108767260B (en) | Carbon-coated FeP hollow nano-electrode material and preparation method and application thereof | |
| CN112481653B (en) | Defect-rich molybdenum-doped cobalt selenide/nano carbon electrocatalyst and preparation method and application thereof | |
| CN104630538A (en) | Multicomponent nano porous palladium-base alloy and preparation method thereof | |
| CN111244470B (en) | Nano composite cathode and preparation and application thereof | |
| CN111206271B (en) | Preparation method, product and application of self-supporting metal doped iron nitride electrode | |
| CN114807975B (en) | Non-noble metal oxygen evolution catalyst and preparation method and application thereof | |
| Dong et al. | Rational design of integrated electrodes for advancing high-rate alkaline electrolytic hydrogen production | |
| Shen et al. | Applications of rare earth promoted transition metal sulfides in electrocatalysis | |
| Wang et al. | Stabilizing Fe in intermetallic L10-PtAuFe nanoparticles with strong Au-Fe bond to boost oxygen reduction reaction activity and durability | |
| Zhou et al. | Recent progress on bulk Fe-based alloys for industrial alkaline water electrolysis | |
| Liu et al. | Advances in anode catalysts of methanol-assisted water-splitting reactions for hydrogen generation | |
| Fan et al. | The Promising Seesaw Relationship Between Activity and Stability of Ru‐Based Electrocatalysts for Acid Oxygen Evolution and Proton Exchange Membrane Water Electrolysis | |
| CN112909272A (en) | Preparation method of non-noble metal oxygen reduction reaction catalyst for constructing bimetallic active sites | |
| Sridharan et al. | Enhanced oxygen reduction activity of bimetallic Pd–Ag alloy-supported on mesoporous cerium oxide electrocatalysts in alkaline media | |
| Zhang et al. | Binary active sites of nickel–iron alloy bonded in nitrogen-doped carbon nanocage for robust durability and low polarization zinc-air batteries | |
| CN113832495B (en) | Multi-stage structure composite fuel electrode for solid oxide electrolytic cell and preparation method thereof | |
| CN102208656A (en) | Anode of fibrous nickel oxide-based SOFC (Solid Oxide Fuel Cell) and preparation method thereof | |
| CN102059128A (en) | Nanometer porous palladium alloy catalyst and preparation method thereof | |
| CN104437545A (en) | Preparation method and product of NiAuPd nano alloy/graphene high-efficiency catalyst | |
| CN109012683B (en) | Preparation method of cobalt molybdate hollow microsphere electrocatalyst |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130424 |