CN107845816A - A kind of coarse shape of octahedron PtCoFe alloy particles and preparation method thereof - Google Patents
A kind of coarse shape of octahedron PtCoFe alloy particles and preparation method thereof Download PDFInfo
- Publication number
- CN107845816A CN107845816A CN201710990620.8A CN201710990620A CN107845816A CN 107845816 A CN107845816 A CN 107845816A CN 201710990620 A CN201710990620 A CN 201710990620A CN 107845816 A CN107845816 A CN 107845816A
- Authority
- CN
- China
- Prior art keywords
- coarse
- octahedra
- nano particles
- ptcofe
- ptcofe alloy
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/92—Metals of platinum group
- H01M4/921—Alloys or mixtures with metallic elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
-
- 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
The present invention relates to a kind of coarse octahedra PtCoFe alloy particles and preparation method thereof.The present invention is using chloroplatinic acid and cobalt chloride and ferric trichloride as raw material; think glycine reducing agent and Morphological control agent, using SDS as protective agent, add certain content NaI; the higher coarse shape of octahedron PtCoFe alloy nano particles of selectivity, preparation method green cleaning are prepared under oxygen atmosphere.The coarse octahedra PtCoFe alloy nano particles step atom obtained is more, and active site density is high, is with a wide range of applications.
Description
Technical field
The invention belongs to function nano alloy field.Specifically, the present invention is to prepare one kind slightly using hydrothermal synthesis method
Rough shape of octahedron PtCoFe alloy nano particles.
Background technology
Precious metals pt nano-structured calalyst is widely used in industry due to its excellent catalytic performance and heat endurance
The fields such as catalysis, bionic, electro-catalysis.But due to some restraining factors in actual applications, such as easily poisoning, short life with
And price is high so that this excellent nanocatalyst can not further genralrlization and application.Research worker is in order to solve this
A little problems, Pt is substituted frequently with by cheap 3d transition metals part at present, form Pt bases binary/multicomponent alloy and urge
Agent, and controlled by condition, probe into its pattern, composition and the relation of stable in catalytic performance.
In numerous transition metals, Co and Fe respectively as on the earth compared with one of transition metal of horn of plenty,
It is that Pt base bianry alloys preferably select.The PtCoFe alloy nano particles of research preparation at present are less, and preparation method all has
Solvent macromolecular is wrapped up as most of solvent, the PtCoFe alloy nano particles being synthesized by organic matter, and active sites are not
It can expose, can not be in contact with reactant.Therefore design and exploitation aqueous solution preparation PtCoFe alloy nano particles have important
Meaning.A kind of method for preparing coarse octahedra PtCoFe alloy nano particles that the present invention develops, substantially increases Pt's
Step atomicity, add the active site density of PtCoFe alloys.
Fuel cell is considered as the important power set of traditional internal combustion engine alternative in the near future.Proton exchange
Another important feature of membrane cell is that it both can be using clean energy resource such as hydrogen etc. as fuel, also can be with reproducible small
Molecular organic such as formic acid, ethanol, methanol etc. are fuel.Shown according to research before, Pt catalyst is PEM combustion
Expect the best catalyst of catalytic performance in battery, but the high cost of Pt catalyst and utilization rate limit to a certain extent
The application prospect of fuel cell, therefore the catalyst prepared for improving raising electrocatalysis characteristic has turned into current and has urgently been badly in need of solving
Certainly the problem of.
The content of the invention
For above-mentioned technical problem, the present invention solves current Pt nano-structured calalysts and easily poisoning be present, short life with
And the technical problems such as price is high, the coarse shape of octahedron PtCoFe alloy nano particles of high density active position a kind of are prepared,
Improve the catalytic performance of Pt base nanometers.
To achieve the above object, the present invention is achieved by the following technical solutions：
A kind of experimental procedure of coarse octahedra PtCoFe alloy nano particles preparation method is as follows：
The chloroplatinic acid aqueous solution that 1.0mL concentration is 19.3mmol/L is measured, 4.0mL concentration is 1.66mmol/L cobalt chloride
The aqueous solution and 3.0mL concentration be 1.66mmol/L ferric chloride aqueous solutionses in 30ml reactors, be subsequently added into glycine and
Lauryl sodium sulfate SDS and NaI, dissolving is stirred with magnetic stirring apparatus, then with air in oxygen discharge reactor
Afterwards, 1.0MPa oxygen is passed through into reactor, then heating is reacted, and is reacted after terminating by ethanol centrifuge washing, freezing
The processing step such as dry, obtains coarse octahedra PtCoFe alloy nano particles.
Preferably, SDS amount ranges are 200-250mg, preferably 220mg.
Preferably, the amount ranges of glycine are 100-130mg, preferably 120mg.
Wherein：Glycine plays a part of reducing agent and Morphological control agent, and SDS effect is mainly pattern protective agent, and
Formation of the ratio of Na+ ions and I- ions to PtCoFe crystal topologies has guide effect, the only addition as NaI
In the case of for SDS addition half, the coarse octahedra PtCoFe alloy nano particles of the present invention can be just obtained, it is comprehensive one
Rise and reach unexpected technique effect.
Preferably, the temperature range of heating response is 200-210 DEG C.
Further, it should be noted that 1.0MPa hydrogen atmosphere is also the coarse octahedron of the synthesis present invention under primary condition
The essential factor of PtCoFe alloy nano particles, because oxygen has oxidisability, the present invention forms gaseous oxidation-liquid phase
Reduction system, be used for synthesizing PtCoFe alloys first, and gaseous oxidation tend to preferentially reduce on octahedral structure face metal from
And coarse structure is formed, the specific atmosphere of the present invention forms the entirety of a mutual cooperation with other experiment parameters, collaboration
The coarse octahedra PtCoFe alloys of the present invention can be just obtained together.
Beneficial effects of the present invention：Disclose a kind of coarse octahedra PtCoFe alloy nanoparticles and preparation method thereof.
The present invention is with chloroplatinic acid, and cobalt chloride and ferric trichloride are raw material, think glycine reducing agent and Morphological control agent, using SDS as guarantor
Agent is protected, adds certain content NaI, the higher coarse shape of octahedron PtCoFe alloys of selectivity are prepared under oxygen atmosphere
Nano-particle, preparation method green cleaning.The coarse octahedra PtCoFe alloy nano particles step atom obtained is more, active sites
Density is high, under methanol and the test of formic acid electroxidation, excellent electrocatalytic oxidation activity is shown, before having a wide range of applications
Scape.
Brief description of the drawings
Fig. 1 is the TEM collection of illustrative plates for the coarse octahedra PtCoFe alloy nano particles that embodiment 1 is prepared；
Fig. 2 is that the first vegetarian noodles for the coarse octahedra PtCoFe alloy nano particles that embodiment 1 is prepared sweeps collection of illustrative plates；
Fig. 3 is the coarse octahedra PtCoFe alloy nano particles that embodiment 1 is prepared and business Pt/C as methanol
The cyclic voltammetry curve comparison diagram of electro-oxidizing-catalyzing agent；
Fig. 4 is the coarse octahedra PtCoFe alloy nano particles that embodiment 1 is prepared and business Pt/C as formic acid
The cyclic voltammetry curve comparison diagram of electro-oxidizing-catalyzing agent；
Fig. 5 is the TEM collection of illustrative plates for the PtCoFe alloy nano particles that comparative example 1 is prepared.
Fig. 6 is the TEM collection of illustrative plates for the PtCoFe alloy nano particles that comparative example 2 is prepared.
Embodiment
Below in conjunction with Figure of description, embodiment is described in further details.
Embodiment 1
Measure 1.0mL chloroplatinic acids (19.3mmol/L), cobalt chloride solution that 4.0mL concentration is 1.66mmol/L and
3.0mL concentration be 1.66mmol/L ferric chloride aqueous solutionses in 30ml reactors, be subsequently added into glycine and dodecyl
Sodium sulphate SDS and NaI, dissolving is stirred with magnetic stirring apparatus, is then discharged with oxygen in reactor after air, to reaction
1.0MPa oxygen is passed through in kettle, then heats and is reacted at 210 DEG C, is reacted after terminating by ethanol centrifuge washing, freezing
The processing step such as dry, obtains coarse octahedra PtCoFe alloy nano particles (as shown in Figure 1-2), wherein, the use of glycine
Measure as 120mg, SDS amount ranges are 220mg, and NaI addition is 110mg.
Methanol (formic acid) electroxidation is tested：Anodic oxidation performance test is using conventional three-electrode system, in CHI650D
Carried out on type electrochemical workstation.It is a platinum filament to electrode with saturated calomel electrode (SCE) for reference electrode, and the electricity that works
Extremely a diameter of 3mm glass-carbon electrode (GC).A certain amount of catalyst suspension (holding metal quality is 4 μ g) is taken to drip to GC electrodes
Surface on dried under infrared lamp, working electrode drop then is had into one end of sample, and against UV ozone lamp, (launch wavelength is
185nm and 254nm, power 10W) it is separated by 5mm irradiation 12h to remove the organic molecule of sample surfaces.Then in work electricity
Drip upper 1.5 μ L 0.5wt%Nafion solution (ethanol dilution) in the surface of pole.Catalyst electrochemical activation area is tested with 0.5M
H2SO4Solution is as electrolyte, first logical 30min high-purity N before experiment2To electrolyte deoxygenation, then followed with 50mV/s speed
Ring volt-ampere (CV) scans, and the scanning range of setting is -0.24~1.0V.It is N that superjacent is kept in experimentation2Atmosphere.First
The test of alcohol (formic acid) electroxidation is in 0.5M H2SO4+2M CH3OH(0.5M H2SO4+ 0.25M HCOOH) carry out in electrolyte,
Before CV tests, lead to high-purity N2Purging 30min is used for removing dissolved oxygen in electrolyte, the scanning range set as -0.2~
1.0V, it is 50mV/s to determine sweep speed.Current density is with unit catalyst electrochemical activation area (cm on working electrode2) on
Electric current represent.Each working electrode encloses the CV curves of obtained stabilization with 50mV/s rate loop scan process 50.For
Embodiment 1 prepares coarse octahedra PtCoFe nano-particles, its electricity just swept peak and be normalized on electrochemical surface area ECSA
Current density represents the size of the latent active of catalyst, from figs. 3 and 4 it can be seen that coarse octahedra PtCoFe nanoparticles
Highest current density of the son in methanol electro-oxidizing is 3.85mA cm-2Formic acid electroxidation experiment in highest current density be
0.83mA cm-2, the methanol highest current density far above commercial Pt/C is 0.47mA cm-2, formic acid highest current density is
0.24mA cm-2。
Comparative example 1
Measure 1.0mL chloroplatinic acids (19.3mmol/L), cobalt chloride solution that 4.0mL concentration is 1.66mmol/L and
3.0mL concentration be 1.66mmol/L ferric chloride aqueous solutionses in 30ml reactors, be subsequently added into 120mg glycine and
220mg lauryl sodium sulfate SDS and 100mgNaI, dissolving is stirred with magnetic stirring apparatus, is then discharged with oxygen anti-
Answer in kettle after air, 1.0MPa oxygen is passed through into reactor, then heat and reacted at 210 DEG C, reaction passes through after terminating
Cross the processing steps such as ethanol centrifuge washing, freeze-drying, obtain PtCoFe alloy nano particles (as shown in Figure 5), and using with
The identical test condition of embodiment 1, it is 1.59mA cm to obtain its highest current density in methanol electro-oxidizing-2, in formic acid electricity
Highest current density in oxidation experiment is 0.44mA cm-2。
Comparative example 2
Measure 1.0mL chloroplatinic acids (19.3mmol/L), cobalt chloride solution that 4.0mL concentration is 1.66mmol/L and
3.0mL concentration be 1.66mmol/L ferric chloride aqueous solutionses in 30ml reactors, be subsequently added into 120mg glycine and
220mg lauryl sodium sulfate SDS and 110mgNaI, dissolving is stirred with magnetic stirring apparatus, is then discharged with hydrogen anti-
Answer in kettle after air, 1.0MPa hydrogen is passed through into reactor, then heat and reacted at 210 DEG C, reaction passes through after terminating
Cross the processing steps such as ethanol centrifuge washing, freeze-drying, obtain PtCoFe alloy nano particles (as shown in Figure 6), and using with
The identical test condition of embodiment 1, it is 1.68mA cm-2 to obtain its highest current density in methanol electro-oxidizing, in formic acid
Highest current density in electroxidation experiment is 0.35mA cm-2。
Moreover, it relates to arrive multigroup comparative example, in view of length will not enumerate, embodiment 1 is respectively relative to
Change one or more parametric variables, be as a result shown in the case of changing one or more variable and cannot get this hair
Bright coarse shape of octahedron PtCoFe alloy nano particles, show between each technical characteristic of technical scheme of the application and have
There is synergy, and methanol electro-oxidizing-catalyzing activity is respectively less than 2.2mA cm-2, formic acid electro-oxidizing-catalyzing activity respectively less than 0.5mA
cm-2, far below the catalytic activity of the embodiment of the present invention 1, show no matter the technical scheme of the application from alloy pattern or is catalyzed
Unexpected technique effect is reached for activity.
Claims (6)
1. a kind of preparation method of coarse shape of octahedron PtCoFe alloy particles, is concretely comprised the following steps：
The chloroplatinic acid aqueous solution that 1.0mL concentration is 19.3mmol/L is measured, 4.0mL concentration is that 1.66mmol/L cobalt chloride is water-soluble
Liquid and 3.0mL concentration be 1.66mmol/L ferric chloride aqueous solutionses in 30ml reactors, be subsequently added into glycine and 12
Sodium alkyl sulfate SDS and NaI, dissolving is stirred with magnetic stirring apparatus, is then discharged with oxygen in reactor after air, to
1.0MPa oxygen is passed through in reactor, then heating is reacted, and is reacted after terminating by ethanol centrifuge washing, freeze-drying etc.
Processing step, obtain coarse octahedra PtCoFe alloy nano particles.
A kind of 2. coarse octahedra PtCoFe alloy particles preparation method described in claim 1, it is characterised in that：SDS use
Amount scope is 200-250mg, preferably 220mg.
A kind of 3. coarse octahedra PtCoFe alloy nano particles preparation method described in claim 1-2, it is characterised in that：It is sweet
The amount ranges of propylhomoserin are 100-130mg, preferably 120mg.
A kind of 4. coarse octahedra PtCoFe alloy nano particles preparation method described in claim 1-3, it is characterised in that：
NaI addition is SDS half dosage.
A kind of 5. coarse octahedra PtCoFe alloy nano particles preparation method described in claim 1-4, it is characterised in that：Add
The temperature range of thermal response is 200-210 DEG C.
6. a kind of coarse octahedra PtCoFe alloy nano particles, it is characterised in that one kind according to claim 1-5 is thick
Rough octahedra PtCoFe alloy nano particles preparation method obtains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710990620.8A CN107845816B (en) | 2017-10-23 | 2017-10-23 | A kind of coarse shape of octahedron PtCoFe alloy particle and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710990620.8A CN107845816B (en) | 2017-10-23 | 2017-10-23 | A kind of coarse shape of octahedron PtCoFe alloy particle and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107845816A true CN107845816A (en) | 2018-03-27 |
| CN107845816B CN107845816B (en) | 2019-08-09 |
Family
ID=61662551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710990620.8A Expired - Fee Related CN107845816B (en) | 2017-10-23 | 2017-10-23 | A kind of coarse shape of octahedron PtCoFe alloy particle and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107845816B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108786845A (en) * | 2018-06-27 | 2018-11-13 | 济南大学 | A kind of preparation method of dendroid Pt-Ni-Cu alloy nanoparticles |
| CN110048133A (en) * | 2019-04-29 | 2019-07-23 | 济南大学 | A kind of preparation method of cross cube Pt-Cu-Mn alloy nanoparticle |
| CN110048132A (en) * | 2019-04-29 | 2019-07-23 | 济南大学 | A kind of three-dimensional preparation method for propping up forked Pt-Cu-Mn alloy nanoparticle |
| CN111230141A (en) * | 2020-03-04 | 2020-06-05 | 王冲 | Preparation method of PtRuCoS alloy nanocrystalline with floccule morphology |
| CN111318720A (en) * | 2020-03-04 | 2020-06-23 | 王冲 | Cubic PtCoS alloy nano-particles and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110124499A1 (en) * | 2009-11-23 | 2011-05-26 | The Research Foundation Of State University Of New York | CATALYTIC PLATINUM AND ITS 3d-TRANSITION-METAL ALLOY NANOPARTICLES |
| CN104451782A (en) * | 2014-12-01 | 2015-03-25 | 上海师范大学 | Octahedral platinum nanoparticles as well as synthesis method and application thereof |
| CN105618780A (en) * | 2015-12-31 | 2016-06-01 | 南京师范大学 | Preparation method for porous PtAg@Pt octahedral nanoparticle |
| CN106493386A (en) * | 2016-11-03 | 2017-03-15 | 国家纳米科学中心 | The octahedral shape Nanoalloy of octahedra Nanoalloy and porous, Preparation Method And The Use |
| CN106670503A (en) * | 2017-01-18 | 2017-05-17 | 北京化工大学 | Preparation method for platinum-copper nano-particles with controllable morphologies |
| CN107146895A (en) * | 2017-05-10 | 2017-09-08 | 上海亮仓能源科技有限公司 | A kind of on-vehicle fuel Pt base octahedral build nanocrystal cathod catalysts and preparation method thereof |
-
2017
- 2017-10-23 CN CN201710990620.8A patent/CN107845816B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110124499A1 (en) * | 2009-11-23 | 2011-05-26 | The Research Foundation Of State University Of New York | CATALYTIC PLATINUM AND ITS 3d-TRANSITION-METAL ALLOY NANOPARTICLES |
| CN104451782A (en) * | 2014-12-01 | 2015-03-25 | 上海师范大学 | Octahedral platinum nanoparticles as well as synthesis method and application thereof |
| CN105618780A (en) * | 2015-12-31 | 2016-06-01 | 南京师范大学 | Preparation method for porous PtAg@Pt octahedral nanoparticle |
| CN106493386A (en) * | 2016-11-03 | 2017-03-15 | 国家纳米科学中心 | The octahedral shape Nanoalloy of octahedra Nanoalloy and porous, Preparation Method And The Use |
| CN106670503A (en) * | 2017-01-18 | 2017-05-17 | 北京化工大学 | Preparation method for platinum-copper nano-particles with controllable morphologies |
| CN107146895A (en) * | 2017-05-10 | 2017-09-08 | 上海亮仓能源科技有限公司 | A kind of on-vehicle fuel Pt base octahedral build nanocrystal cathod catalysts and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| ELAHEH LOHRASBI等: "Effect of atomic composition on the compressive strain and electrocatalytic activity of PtCoFe/sulfonated graphene", 《APPLIED SURFACE SCIENCE》 * |
| SIAL, MAZG等: "Trimetallic PtCoFe Alloy Monolayer Superlattices as Bifunctional Oxygen-Reduction and Ethanol-Oxidation Electrocatalysts", 《SMALL》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108786845A (en) * | 2018-06-27 | 2018-11-13 | 济南大学 | A kind of preparation method of dendroid Pt-Ni-Cu alloy nanoparticles |
| CN110048133A (en) * | 2019-04-29 | 2019-07-23 | 济南大学 | A kind of preparation method of cross cube Pt-Cu-Mn alloy nanoparticle |
| CN110048132A (en) * | 2019-04-29 | 2019-07-23 | 济南大学 | A kind of three-dimensional preparation method for propping up forked Pt-Cu-Mn alloy nanoparticle |
| CN111230141A (en) * | 2020-03-04 | 2020-06-05 | 王冲 | Preparation method of PtRuCoS alloy nanocrystalline with floccule morphology |
| CN111318720A (en) * | 2020-03-04 | 2020-06-23 | 王冲 | Cubic PtCoS alloy nano-particles and preparation method thereof |
| CN111318720B (en) * | 2020-03-04 | 2022-10-25 | 王冲 | Cubic PtCoS alloy nano-particles and preparation method thereof |
| CN111230141B (en) * | 2020-03-04 | 2022-10-25 | 王冲 | Preparation method of PtRuCoS alloy nanocrystalline with floccule morphology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107845816B (en) | 2019-08-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107845816B (en) | A kind of coarse shape of octahedron PtCoFe alloy particle and preparation method thereof | |
| CN107745134B (en) | A kind of polygonal pattern PtCoFe alloy nanoparticle and preparation method thereof | |
| CN107834079B (en) | It is a kind of for improving the implementation method of aminic acid fuel battery electrooxidation activity | |
| CN104353480B (en) | Three-dimensional nitrogen-doped graphene platinoid-loaded composite electro-catalyst and preparation method thereof | |
| Yu et al. | CeO2 nanoparticles improved Pt-based catalysts for direct alcohol fuel cells | |
| Pang et al. | Preparation of SnO2-CNTs supported Pt catalysts and their electrocatalytic properties for ethanol oxidation | |
| CN101733094B (en) | Pt-CeO2/graphene electro-catalyst and preparation method thereof | |
| CN107335451B (en) | Platinum/molybdenum disulfide nano sheet/graphene three-dimensional combination electrode catalyst preparation method | |
| CN108963282A (en) | A kind of fuel cell carbon carried platinum-based catalyst and the preparation method and application thereof of solvent-thermal method reduction | |
| CN108786845A (en) | A kind of preparation method of dendroid Pt-Ni-Cu alloy nanoparticles | |
| CN108736031A (en) | A kind of self-supporting PtCo alloy nanoparticle catalyst and the preparation method and application thereof | |
| Yu et al. | TiO2 nanoparticles promoted Pt/C catalyst for ethanol electro-oxidation | |
| CN108767282B (en) | Preparation method of porous multi-branch Pt-Ni-Cu alloy nanoparticles | |
| CN103657648A (en) | Preparation method of fuel-cell catalyst Pt/WO3/C | |
| CN101108346A (en) | Method of synthesizing Pt-CeO*/C electro-catalyst with one-step method microwave | |
| CN108906076A (en) | A kind of preparation method of the three-dimensional cross Pt-Cu-Co alloy nanoparticle of multiple-limb | |
| CN107394215B (en) | Preparation and application of heteroatom-doped functional carbon material | |
| CN107845817B (en) | A method of using coarse shape of octahedron PtCoFe nanocatalyst catalysis oxidation formic acid electrochemistry | |
| CN101780414A (en) | PtRuNi/C ternary alloy nanometer catalyst and preparation method thereof | |
| CN102983339A (en) | Platinum-cobalt/graphene nano electrocatalyst and preparation method thereof | |
| Tan et al. | A palladium-doped ceria@ carbon core–sheath nanowire network: a promising catalyst support for alcohol electrooxidation reactions | |
| CN109731599B (en) | 2D oxygen reduction catalyst Fe3O4Preparation method of @ FeNC nanosheet | |
| Beydaghi et al. | Preparation and Characterization of Electrocatalyst Nanoparticles for Direct Methanol Fuel Cell Applications Using β-D-glucose as Protection Agent | |
| CN110364744A (en) | A kind of preparation method of the extra small Pt-Ni-Cu alloy nanoparticle with high miller index surface | |
| Shen et al. | Surfactant-assisted synthesis of platinum nanoparticle catalysts for proton exchange membrane fuel cells |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190809 Termination date: 20201023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |