CN103920490A - Platinum nano cubic catalyst with no surface active agent and preparation method thereof - Google Patents
Platinum nano cubic catalyst with no surface active agent and preparation method thereof Download PDFInfo
- Publication number
- CN103920490A CN103920490A CN201410133158.6A CN201410133158A CN103920490A CN 103920490 A CN103920490 A CN 103920490A CN 201410133158 A CN201410133158 A CN 201410133158A CN 103920490 A CN103920490 A CN 103920490A
- Authority
- CN
- China
- Prior art keywords
- platinum
- catalyst
- nano cubic
- cubic block
- preparation
- 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
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 title claims abstract description 120
- 229910052697 platinum Inorganic materials 0.000 title claims abstract description 60
- 239000003054 catalyst Substances 0.000 title claims abstract description 56
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000004094 surface-active agent Substances 0.000 title claims abstract description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000446 fuel Substances 0.000 claims abstract description 20
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 9
- 229960005070 ascorbic acid Drugs 0.000 claims abstract description 6
- 235000010323 ascorbic acid Nutrition 0.000 claims abstract description 6
- 239000011668 ascorbic acid Substances 0.000 claims abstract description 6
- 239000002243 precursor Substances 0.000 claims abstract description 3
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- 238000005119 centrifugation Methods 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 239000002244 precipitate Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 150000003057 platinum Chemical class 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract description 15
- 230000003197 catalytic effect Effects 0.000 abstract description 10
- 239000013078 crystal Substances 0.000 abstract description 6
- 230000003647 oxidation Effects 0.000 abstract description 5
- 238000007254 oxidation reaction Methods 0.000 abstract description 5
- 238000002484 cyclic voltammetry Methods 0.000 abstract description 4
- 229910021645 metal ion Inorganic materials 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011943 nanocatalyst Substances 0.000 description 2
- 238000003917 TEM image Methods 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002173 high-resolution transmission electron microscopy Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Catalysts (AREA)
Abstract
The invention discloses a platinum nano cubic catalyst with no surface active agent and a preparation method thereof in the technical field of fuel cells. The method is characterized in that a platinum precursor in a DMF solution is reduced by ascorbic acid to prepare platinum nano cubic particles in small size and in high yield, and (100) crystal faces and rich atomic steps are exposed on the surfaces of the platinum nano cubic particles. By the preparation method, the application of a surface active agent and other metal ion additives can be avoided, the surface of the synthesized platinum cubic block is clean, and the specific surface area and electric catalytic activity of the catalyst can be improved through the clean surface. The prepared platinum nano cubic catalyst with no surface active agent is used as an anode catalyst of an alcohol fuel battery, and the hydroxyl adsorption performance and catalytic activity can be improved in the electric catalytic oxidation process of alcohol, so that the output power of the fuel battery is high. A cyclic voltammetry test in a KOH solution of methanol and ethanol proves that the peak oxidation current of the catalyst is respectively 2.2 and 1.6 times that of a commercial platinum catalyst and a commercial carbon catalyst.
Description
Technical field
The invention belongs to fuel cell technology field, a kind of platinum nano cubic block Catalysts and its preparation method of surfactant-free is particularly provided.
Technical background
Fuel cell is the cell apparatus that a kind of chemical energy by fuel and oxygen reaction release is converted into electric energy.Since 19th-century mid-term, after fuel cell is invented, the development of fuel cell technology seriously lags behind steam engine and the internal combustion engine of main flow.Until be accompanied by the growth of electricity needs, the exhaustion of petroleum resources nearly decades, people are to the fuel cell enthusiasm of having restriked again.In pluralities of fuel battery, the direct alcohol fuel battery taking alcohols as fuel, obtains very large concern with its high-energy-density, high energy efficiency and lower operating temperature.
Alcohols (methyl alcohol, ethanol, ethylene glycol etc.) normally carries out under the assistance at eelctro-catalyst in the oxidation of anode of fuel cell, wherein taking platinum catalyst as main flow.But the catalytic activity of conventional platinum catalyst still can not meet business-like demand.Research shows, by changing particle size and the surface texture of platinum catalyst, can promote the activity of catalyst.Particularly platinum nano cubic block catalyst shows stronger catalytic activity and anti-poisoning capability with respect to commercial platinum/C catalyst.But at the multiple platinum nano cubic block of having reported, or size is larger, or in building-up process, add surfactant or other metal ions as pattern adjusting control agent.These factors all likely can cause the reduction of platinum catalyst performance.Particle is less than the document and the patent report that synthesize and do not see yet as the application of alcohol fuel battery anode catalyst association area of the platinum nano cubic block of 5nm and surfactant-free.
Summary of the invention
The object of the present invention is to provide a kind of platinum nano cubic block Catalysts and its preparation method of surfactant-free, to promote at present the directly electro catalytic activity of alcohol fuel battery anode, further promote the power output of this fuel cell.
Technical scheme of the present invention is: platinum presoma is reacted in DMF solution with ascorbic acid, and the metal platinum nanocatalyst surface of generation exists without extra surfactant.
Platinum nano cubic block catalyst Average Particle Diameters of the present invention is 3.5～3.9nm, and it has nano cubic block pattern and rich surface contains atomic steps and { 100} crystallite face; In building-up process, do not add surfactant and other metal precursor, make it have clean surface texture.
The preparation method of the platinum nano cubic block catalyst of surfactant-free of the present invention is: preparation is containing the DMF solution of 5～20mM platinum presoma and 50～100mM ascorbic acid; Then transfer in the sealing stainless steel cauldron with polytetrafluoroethylliner liner, at 150～200 DEG C of temperature, react 10～20 hours; Question response still cool to room temperature, centrifugation obtains black precipitate, obtains the platinum nano cubic block catalyst of surfactant-free with ethanol centrifuge washing.
Described platinum presoma is potassium chloroplatinate or acetylacetone,2,4-pentanedione platinum.
In above-mentioned reaction, the consumption of ascorbic acid is larger, and desired reaction temperature is lower; Reaction temperature is higher, and the required reaction time is shorter.
Application using the platinum nano cubic block catalyst of the surfactant-free of above-mentioned preparation as the anode catalyst of alcohol fuel battery.
By above-mentioned prepared material:
1. carry out TEM and HRTEM and characterize and show that the platinum nano catalyst of preparation has the shape of cubic block, its particle size is 3.5nm left and right, and the granular size of this and commercial platinum/C catalyst is suitable.This nano cubic block interplanar distance parallel with outer crystal face is 0.195nm, with metal platinum { 200} interplanar distance is consistent, shows that the exposure crystal face of the Pt nanoparticle of synthesized is { 100} crystal face.In addition this catalyst plane of crystal contains abundant atomic steps;
2. carry out XRD sign and demonstrated the characteristic peak of platinum, and calculate this catalyst particle size by Scherrer formula;
3. carry out cyclic voltammetry curve (CV) test in KOH solution, show that the surface of this catalyst has abundant { the step atom that 100} crystallite face and coordination degree of unsaturation are larger;
4. carry out CV in the KOH of methyl alcohol, ethanol solution test, show that this catalyst, compared with commercial platinum/C catalyst, has higher catalytic activity.
The invention has the advantages that: utilize ascorbic acid in DMF solution, to reduce platinum presoma, high productivity is prepared undersized platinum nano cubic block particle, and surface exposes is { 100} crystal face and abundant atomic steps.The method has been avoided the use of surfactant and other metal ions addition agent, makes synthetic platinum nano cubic block surface clean, and the specific area of catalyst and the activity of electro-catalysis can be improved in this clean surface.Anode catalyst using the platinum nano cubic block catalyst of the surfactant-free of preparation as alcohol fuel battery, can be in the catalytic oxidation process of alcohol, strengthens hydroxyl and adsorbs and promote catalytic activity, thereby can bring larger fuel cell output power.In the KOH of methyl alcohol and ethanol solution, cyclic voltammetry shows, the peak value oxidation current of this catalyst is respectively 2.2 and 1.6 times of commercial platinum/C catalyst, demonstrates the stronger catalytic activity to methyl alcohol and ethanol.
Brief description of the drawings
Fig. 1 is the TEM image of the platinum nano cubic block catalyst of the surfactant-free that obtains under the embodiment of the present invention 1 synthesis condition; Built-in scale is 50nm; Built-in illustration is particle diameter distribution statistics figure.
Fig. 2 is the XRD spectra of the platinum nano cubic block catalyst of the surfactant-free that obtains under the embodiment of the present invention 1 synthesis condition; Abscissa is 2Theta, unit: degree; Ordinate is intensity.
Fig. 3 is platinum nano cubic block catalyst and the cyclic voltammogram of commercial platinum/C catalyst in 0.5MKOH solution of the surfactant-free that obtains under the embodiment of the present invention 1 synthesis condition; Sweep speed: 50mV/s; Abscissa is voltage, unit: V; Ordinate is current density, unit: mA/cm
2.Wherein: a is made platinum catalyst; B is commercial platinum/C catalyst.
Fig. 4 is that the platinum nano cubic block catalyst of the surfactant-free that obtains under the embodiment of the present invention 1 synthesis condition and commercial platinum/C catalyst are at 0.5MKOH+1MCH
3cV figure in OH solution; Sweep speed: 50mV/s; Abscissa is voltage, unit: V; Ordinate is current density, unit: mA/cm
2.Wherein: a is made platinum catalyst; B is commercial platinum/C catalyst.
Fig. 5 is that the platinum nano cubic block catalyst of the surfactant-free that obtains under the embodiment of the present invention 1 synthesis condition and commercial platinum/C catalyst are at 0.5MKOH+1MCH
3cH
2cV figure in OH solution; Sweep speed: 50mV/s; Abscissa is voltage, unit: V; Ordinate is current density, unit: mA/cm
2.Wherein: a is made platinum catalyst; B is commercial platinum/C catalyst.
Detailed description of the invention
[embodiment 1]
Steps A: take 11.8mg acetylacetone,2,4-pentanedione platinum and 52.8mg ascorbic acid is dissolved in 6mlN, be configured to mixed solution in dinethylformamide (DMF) and stir 10 minutes;
Step B: above-mentioned yellow solution is transferred in the sealing stainless steel cauldron with polytetrafluoroethylliner liner, kept 16 hours at 150 DEG C of temperature;
Step C: after reaction finishes, question response still cool to room temperature, by the centrifugation 5 minutes under the rotating speed of 9000 revs/min of solution dark russet wherein, obtains black product precipitation, the abundant centrifuge washing of ethanol separates 3 times for product.
From TEM figure, prepared Pt nanoparticle is uniform nano cubic block, and its particle size is 3.50 ± 0.47nm, and the particle diameter of this and commercial platinum/carbon is suitable.Three characteristic peaks that occurred platinum in XRD figure, the nano cubic block size that larger peak width obtains is less.Calculate the about 3.6nm of its average crystal grain size by Scherrer formula.The CV image in 0.5M KOH solution by more made platinum nano cubic block and commercial platinum/carbon, can find that made platinum cubic block relates to hydrogen { peak of desorption is stronger on 100} crystal face, has shown a large amount of { existence of 100} crystallite face.By more made platinum nano cubic block and commercial platinum/carbon at 0.5MKOH+1MCH
3oH and 0.5MKOH+1MCH
3cH
2cV image in OH solution, can find that made platinum cubic block shows larger oxidation peak point current.Its peak point current is respectively 2.2 and 1.6 times of commercial platinum/C catalyst.
[embodiment 2]
Steps A: take 11.8mg acetylacetone,2,4-pentanedione platinum and 52.8mg ascorbic acid and be dissolved in and be configured to mixed solution in 6mlDMF and stir 10 minutes;
Step B: above-mentioned yellow solution is transferred in the sealing stainless steel cauldron with polytetrafluoroethylliner liner, kept 10 hours at 180 DEG C of temperature;
Step C: after reaction finishes, question response still cool to room temperature, by the centrifugation 5 minutes under the rotating speed of 9000 revs/min of solution dark russet wherein, obtains black product precipitation, the abundant centrifuge washing of ethanol separates 3 times for product.
From TEM figure, prepared Pt nanoparticle is uniform nano cubic block, and its particle size is 3.42 ± 0.43nm, and the particle diameter of this and commercial platinum/carbon is suitable.Three characteristic peaks that occurred platinum in XRD figure, the nano cubic block size that larger peak width obtains is less.Calculate the about 3.5nm of its average crystal grain size by Scherrer formula.The CV image in 0.5M KOH solution by more made platinum nano cubic block and commercial platinum/carbon, can find that made platinum cubic block relates to hydrogen { peak of desorption is stronger on 100} crystal face, has shown a large amount of { existence of 100} crystallite face.By more made platinum nano cubic block and commercial platinum/carbon at 0.5MKOH+1MCH
3oH and 0.5MKOH+1MCH
3cH
2cV image in OH solution, can find that made platinum cubic block shows larger oxidation peak point current.Its peak point current is respectively 2.1 and 1.7 times of commercial platinum/C catalyst.
[embodiment 3]
Steps A: take 14.5mg potassium chloroplatinate and 52.8mg ascorbic acid and be dissolved in and be configured to mixed solution in 6mlDMF and stir 10 minutes;
Step B: above-mentioned yellow solution is transferred in the sealing stainless steel cauldron with polytetrafluoroethylliner liner, kept 16 hours at 150 DEG C of temperature;
Step C: after reaction finishes, question response still cool to room temperature, by the centrifugation 5 minutes under the rotating speed of 9000 revs/min of solution dark russet wherein, obtains black product precipitation, the abundant centrifuge washing of ethanol separates 3 times for product.
From TEM figure, prepared Pt nanoparticle is uniform nano cubic block, and its particle size is 3.80 ± 0.68nm, and the particle diameter of this and commercial platinum/carbon is suitable.Three characteristic peaks that occurred platinum in XRD figure, the nano cubic block size that larger peak width obtains is less.Calculate the about 3.9nm of its average crystal grain size by Scherrer formula.The CV image in 0.5M KOH solution by more made platinum nano cubic block and commercial platinum/carbon, can find that made platinum cubic block relates to hydrogen { peak of desorption is stronger on 100} crystal face, has shown a large amount of { existence of 100} crystallite face.By more made platinum nano cubic block and commercial platinum/carbon at 0.5MKOH+1MCH
3oH and 0.5MKOH+1MCH
3cH
2cV image in OH solution, can find that made platinum cubic block shows larger oxidation peak point current.Its peak point current is respectively 1.9 and 1.5 times of commercial platinum/C catalyst.
Claims (4)
1. a platinum nano cubic block catalyst, is characterized in that, this platinum nano cubic block catalyst Average Particle Diameters is 3.5～3.9nm, and it has nano cubic block pattern and rich surface contains atomic steps and { 100} crystallite face; In building-up process, do not add surfactant and other metal precursor, make it have clean surface texture.
2. a preparation method for the platinum nano cubic block catalyst of surfactant-free, is characterized in that, its specific operation process is: preparation is containing the DMF solution of 5～20mM platinum presoma and 50～100mM ascorbic acid; Then transfer in the sealing stainless steel cauldron with polytetrafluoroethylliner liner, at 150～200 DEG C of temperature, react 10～20 hours; Question response still cool to room temperature, centrifugation obtains black precipitate, obtains the platinum nano cubic block catalyst of surfactant-free with ethanol centrifuge washing.
3. preparation method according to claim 2, is characterized in that, described platinum presoma is potassium chloroplatinate or acetylacetone,2,4-pentanedione platinum.
4. the platinum nano cubic block catalyst of the surfactant-free preparing is according to the method in claim 2 or 3 as the application of the anode catalyst of alcohol fuel battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410133158.6A CN103920490B (en) | 2014-04-03 | 2014-04-03 | A kind of platinum nano cubic block Catalysts and its preparation method of surfactant-free |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410133158.6A CN103920490B (en) | 2014-04-03 | 2014-04-03 | A kind of platinum nano cubic block Catalysts and its preparation method of surfactant-free |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103920490A true CN103920490A (en) | 2014-07-16 |
| CN103920490B CN103920490B (en) | 2016-02-10 |
Family
ID=51139023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410133158.6A Expired - Fee Related CN103920490B (en) | 2014-04-03 | 2014-04-03 | A kind of platinum nano cubic block Catalysts and its preparation method of surfactant-free |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103920490B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478794A (en) * | 2015-12-11 | 2016-04-13 | 中国科学院深圳先进技术研究院 | Platinum-copper alloy nano particle and preparation method thereof |
| CN106450350A (en) * | 2016-10-20 | 2017-02-22 | 绍兴文理学院 | Method for synthesizing platinum nano cubic block |
| CN107552044A (en) * | 2017-09-28 | 2018-01-09 | 中国科学院青岛生物能源与过程研究所 | A kind of effectively elementization noble metal simultaneously lifts the preparation method of its electrocatalysis characteristic |
| CN109848434A (en) * | 2019-01-21 | 2019-06-07 | 西安交通大学 | A kind of preparation method of the ultrafine platinum nano-wire rich in Twin Defects |
| US20220241857A1 (en) * | 2019-07-19 | 2022-08-04 | Honda Motor Co., Ltd. | Synthetic method for preparing small palladium nanocubes |
| CN114976077A (en) * | 2022-06-16 | 2022-08-30 | 南京师范大学 | Sub-2 nm ultra-small Pt nano cube array and preparation method and application thereof |
| CN116072898A (en) * | 2021-10-29 | 2023-05-05 | 中国石油化工股份有限公司 | Platinum-carbon catalyst, preparation method and application thereof, and hydrogen fuel cell |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101100002A (en) * | 2006-07-06 | 2008-01-09 | 三星电机株式会社 | Method for producing metal nano granule |
| KR20100135423A (en) * | 2009-06-17 | 2010-12-27 | 연세대학교 산학협력단 | Shaped-controlled pt nanoparticles catalyst for fuel cell, and the method for the preparing the same |
| CN102078826A (en) * | 2010-12-24 | 2011-06-01 | 苏州方昇光电装备技术有限公司 | Preparation method and application of ionic liquid modified carbon sphere loaded platinum nanoparticle catalyst |
-
2014
- 2014-04-03 CN CN201410133158.6A patent/CN103920490B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101100002A (en) * | 2006-07-06 | 2008-01-09 | 三星电机株式会社 | Method for producing metal nano granule |
| KR20100135423A (en) * | 2009-06-17 | 2010-12-27 | 연세대학교 산학협력단 | Shaped-controlled pt nanoparticles catalyst for fuel cell, and the method for the preparing the same |
| CN102078826A (en) * | 2010-12-24 | 2011-06-01 | 苏州方昇光电装备技术有限公司 | Preparation method and application of ionic liquid modified carbon sphere loaded platinum nanoparticle catalyst |
Non-Patent Citations (2)
| Title |
|---|
| N. ARJONA，ET AL: "Electrocatalytic activity of well-defined and homogeneous cubic-shaped Pd nanoparticles", 《JOURNAL OF MATERIALS CHEMISTRY A》 * |
| N. ARJONA，ET AL: "Electrocatalytic activity of well-defined and homogeneous cubic-shaped Pd nanoparticles", 《JOURNAL OF MATERIALS CHEMISTRY A》, no. 1, 22 October 2013 (2013-10-22), pages 15524 - 15529 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478794A (en) * | 2015-12-11 | 2016-04-13 | 中国科学院深圳先进技术研究院 | Platinum-copper alloy nano particle and preparation method thereof |
| CN106450350A (en) * | 2016-10-20 | 2017-02-22 | 绍兴文理学院 | Method for synthesizing platinum nano cubic block |
| CN106450350B (en) * | 2016-10-20 | 2019-04-30 | 绍兴文理学院 | A kind of synthetic method of platinum nano cubic block |
| CN107552044A (en) * | 2017-09-28 | 2018-01-09 | 中国科学院青岛生物能源与过程研究所 | A kind of effectively elementization noble metal simultaneously lifts the preparation method of its electrocatalysis characteristic |
| CN107552044B (en) * | 2017-09-28 | 2020-04-28 | 中国科学院青岛生物能源与过程研究所 | Preparation method for effectively liquefying noble metal and improving electrocatalysis performance of noble metal |
| CN109848434A (en) * | 2019-01-21 | 2019-06-07 | 西安交通大学 | A kind of preparation method of the ultrafine platinum nano-wire rich in Twin Defects |
| US20220241857A1 (en) * | 2019-07-19 | 2022-08-04 | Honda Motor Co., Ltd. | Synthetic method for preparing small palladium nanocubes |
| CN116072898A (en) * | 2021-10-29 | 2023-05-05 | 中国石油化工股份有限公司 | Platinum-carbon catalyst, preparation method and application thereof, and hydrogen fuel cell |
| CN114976077A (en) * | 2022-06-16 | 2022-08-30 | 南京师范大学 | Sub-2 nm ultra-small Pt nano cube array and preparation method and application thereof |
| CN114976077B (en) * | 2022-06-16 | 2024-03-01 | 南京师范大学 | Sub-2 nm ultra-small Pt nano cube array and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103920490B (en) | 2016-02-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103920490B (en) | A kind of platinum nano cubic block Catalysts and its preparation method of surfactant-free | |
| Wu et al. | Electrocatalytic performances of g-C3N4-LaNiO3 composite as bi-functional catalysts for lithium-oxygen batteries | |
| Zhou et al. | An effective Pt–CoTe/NC catalyst of bifunctional methanol electrolysis for hydrogen generation | |
| CN111001428B (en) | Metal-free carbon-based electrocatalyst, preparation method and application | |
| CN108963282A (en) | A kind of fuel cell carbon carried platinum-based catalyst and the preparation method and application thereof of solvent-thermal method reduction | |
| CN110336047B (en) | Preparation method of nickel cobalt sulfide/graphene composite material zinc-air battery bifunctional catalyst | |
| CN107342424B (en) | Preparation method and application of PtPdCu electrocatalyst for fuel cell | |
| CN108247080B (en) | Platinum-copper-nickel ternary alloy nano material and preparation method thereof | |
| US20210346879A1 (en) | Layered double hydroxide, catalyst for water electrolysis cell, water electrolysis cell, water electrolyzer, and method for manufacturing layered double hydroxide | |
| CN101656313A (en) | Preparation method of catalyst for cathode of direct methanol fuel cell | |
| CN108155392B (en) | Preparation method of reduced graphene oxide loaded Pd-M nano composite catalyst | |
| CN110975912B (en) | Preparation and application of cobalt-nitrogen doped catalyst derived from bimetallic MOFs (metal-organic frameworks) | |
| CN104607203A (en) | Platinum-based alloy core-shell structure (heterostructure) nano-catalyst adopting platinum defects on surface and oxide nano clusters and preparation method of catalyst | |
| Li et al. | Enhanced oxygen reduction reaction performance of ReOx/NC (Re= La, Ce, Pr, Sm, Eu, Tb, Er, Tm and Yb)-especially Pr6O11/NC via accommodating oxygen vacancies and its application for Zn-air battery | |
| CN113943949B (en) | Platinum edge-modified nickel-based nano material and preparation method and application thereof | |
| Wu et al. | Mn2O3 doping induced the improvement of catalytic performance for oxygen reduction of MnO | |
| CN103816894A (en) | Pt-Ru alloy nano electro-catalyst having doped graphene carrier and preparation method thereof | |
| Lu et al. | Coexisting Fe single atoms and nanoparticles on hierarchically porous carbon for high-efficiency oxygen reduction reaction and Zn-air batteries | |
| CN112002915B (en) | Oxygen electrode bifunctional catalyst, preparation method and application | |
| Zhao et al. | Doping-engineered bifunctional oxygen electrocatalyst with Se/Fe-doped Co3O4/N-doped carbon nanosheets as highly efficient rechargeable zinc-air batteries | |
| Wang et al. | A synergetic effect between photogenerated carriers and photothermally enhanced electrochemical urea-assisted hydrogen generation on the Ni-NiO/nickel foam catalyst | |
| CN102259030B (en) | Composite photocatalyst for hydrogen production by hydrolysis in visible light and method for preparing composite photocatalyst | |
| Talluri et al. | In situ growth of self-composed cerium iron oxide hierarchal structures as a novel anode electrocatalyst for direct methanol fuel cells | |
| Tang et al. | Pt-Bi on carbon aerogels as efficient electrocatalysts for ethanol oxidation reaction in alkaline medium | |
| Yu et al. | Crystalline/amorphous CoP/MnOx heterostructure derived from phase separation for electrochemical catalysis of alkaline hydrogen evolution reaction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |