CN107186219A - A kind of preparation method of dendritic silver palladium ruthenium composite and its application in electrocatalytic oxidation ethanol - Google Patents
A kind of preparation method of dendritic silver palladium ruthenium composite and its application in electrocatalytic oxidation ethanol Download PDFInfo
- Publication number
- CN107186219A CN107186219A CN201710308558.XA CN201710308558A CN107186219A CN 107186219 A CN107186219 A CN 107186219A CN 201710308558 A CN201710308558 A CN 201710308558A CN 107186219 A CN107186219 A CN 107186219A
- Authority
- CN
- China
- Prior art keywords
- dendritic
- palladium
- dendritic silver
- preparation
- ruthenium composite
- 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
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 239000002131 composite material Substances 0.000 title claims abstract description 57
- 229910052707 ruthenium Inorganic materials 0.000 title claims abstract description 50
- SWELZOZIOHGSPA-UHFFFAOYSA-N palladium silver Chemical compound [Pd].[Ag] SWELZOZIOHGSPA-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 35
- 230000003647 oxidation Effects 0.000 title claims abstract description 21
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 21
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 37
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 33
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000011259 mixed solution Substances 0.000 claims abstract description 15
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 15
- 238000006073 displacement reaction Methods 0.000 claims abstract description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 40
- 229910052709 silver Inorganic materials 0.000 claims description 27
- 239000004332 silver Substances 0.000 claims description 27
- 229910052697 platinum Inorganic materials 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 229910052799 carbon Inorganic materials 0.000 claims description 16
- 239000008367 deionised water Substances 0.000 claims description 15
- 229910021641 deionized water Inorganic materials 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 15
- 239000000243 solution Substances 0.000 claims description 13
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 12
- 229910019891 RuCl3 Inorganic materials 0.000 claims description 10
- 229910002093 potassium tetrachloropalladate(II) Inorganic materials 0.000 claims description 10
- 238000000151 deposition Methods 0.000 claims description 7
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 claims description 6
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver nitrate Substances [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 6
- 238000002484 cyclic voltammetry Methods 0.000 claims description 4
- YBCAZPLXEGKKFM-UHFFFAOYSA-K ruthenium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Ru+3] YBCAZPLXEGKKFM-UHFFFAOYSA-K 0.000 claims description 4
- 239000007844 bleaching agent Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- OYJSZRRJQJAOFK-UHFFFAOYSA-N palladium ruthenium Chemical compound [Ru].[Pd] OYJSZRRJQJAOFK-UHFFFAOYSA-N 0.000 claims description 3
- 230000002000 scavenging effect Effects 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 claims description 3
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000008021 deposition Effects 0.000 claims 1
- 239000002659 electrodeposit Substances 0.000 claims 1
- 238000004070 electrodeposition Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 150000002940 palladium Chemical class 0.000 abstract description 3
- 150000003303 ruthenium Chemical class 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 3
- 230000010718 Oxidation Activity Effects 0.000 description 2
- -1 step (6) Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
-
- B22F1/0007—
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
- C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
- C25B11/073—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
- C25B11/091—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds
- C25B11/097—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds comprising two or more noble metals or noble metal alloys
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B3/00—Electrolytic production of organic compounds
- C25B3/20—Processes
- C25B3/23—Oxidation
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C5/00—Electrolytic production, recovery or refining of metal powders or porous metal masses
- C25C5/02—Electrolytic production, recovery or refining of metal powders or porous metal masses from solutions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- General Chemical & Material Sciences (AREA)
- Inert Electrodes (AREA)
- Catalysts (AREA)
Abstract
Present invention relates particularly to a kind of preparation method of dendritic silver palladium ruthenium composite, by the way that dendritic Nano Silver micro-structural prepared by electrodeposition process will be used for template, electricity displacement is carried out by the mixed solution of itself and palladium salt, ruthenium salt to react, so as to prepare the nanometer dendritic silver palladium ruthenium composite with dendritic micro-structural；Further, the dendritic silver palladium ruthenium composite that the present invention obtains above-mentioned preparation method, which is applied in ethanol, carries out electrocatalytic oxidation so that on the premise of palladium, ruthenium loading is reduced as far as possible, also result in the effect of preferable electrocatalytic oxidation ethanol.
Description
Technical field
The present invention relates to technical field of composite materials, the preparation side of more particularly to a kind of dendritic silver-palladium ruthenium composite
Method and its application in electrocatalytic oxidation ethanol.
Background technology
At present, in the basic conditions, the elctro-catalyst of electrocatalytic oxidation ethanol is general based on platinum, palladium-based materials, and platinum
There is preferable electrocatalytic oxidation activity to ethanol in acid condition.But under the conditions of existing, the resource of one side platinum is dilute
Lack, on the other hand, platinum is easily poisoned inactivation, therefore causes cost performance not high.In the basic conditions, the reaction power of oxidation of ethanol
Learn very fast, palladium is better than platinum to the electrocatalytic oxidation activity of ethanol, but current preparation method is more based on palladium base nano particle,
One side material is easily reunited, on the other hand, and catalyst amount is higher, and palladium metal is also easily poisoned, and causes cost high.
The content of the invention
To solve the above problems, it is simple the invention provides a kind of preparation method, dendritic Nano Silver original structure can be kept
Dendritic silver-palladium ruthenium composite preparation method；Further, dendritic silver-palladium that the present invention is drawn with above-mentioned preparation method
Ruthenium composite is template, and the effect of electrocatalytic oxidation ethanol is effectively increased in electricity displacement reaction.It is of the present invention
Technical scheme is：
A kind of preparation method of dendritic silver-palladium ruthenium composite, including have the following steps：
(1) hydrophilic carbon paper is cleaned by ultrasonic respectively in deionized water, ethanol, deionized water successively；
(2) the hydrophilic carbon paper through over cleaning in step (1) is taken in loaded on platinum electrode folder and makees working electrode；
(3) it is placed in platinum guaze when working as reference electrode to electrode, saturated calomel electrode (SCE) in electrolytic cell；
(4) electric depositing solution is prepared, by 0.04molL-1Silver nitrate solution in ammoniacal liquor is added dropwise, treat that solution first becomes
It is muddy, again bleach when stop being added dropwise；
(5) electric depositing solution prepared in step (4) is added in the electrolytic cell in step (3), with -1.2V~-
After 250~350s of 1.8V potentiostatic electrodepositions, working electrode is taken out, is washed with deionized water only, obtains dendritic ag material, electro-deposition is anti-
The equation is answered to be：Ag+-e-→Ag0；
(6) the dendritic ag material prepared in step (5) is placed in 1mmolL-1K2PdCl4With 1.5mmolL-1's
RuCl3In mixed solution, under the conditions of 3-5 DEG C, place 10-30 minute, rinsed well after taking-up with deionized water, dendritic silver and
K2PdCl4And RuCl3Electricity displacement reaction equation be：
2Ag0+K2PdCl4→Pd0+2AgCl+2KCl
3Ag0+RuCl3→Ru0+3AgCl；
(7) by the dendritic ag material obtained in step (6) be placed in again in concentrated ammonia liquor steep 10-20 seconds, then take out, spend from
Sub- water is rinsed well, that is, obtains dendritic silver-palladium ruthenium composite.
Wherein, the thickness of the hydrophilic carbon paper in step (1) is 0.2mm, and scavenging period is respectively 5 minutes.
Wherein, the physical dimension of the working electrode in step (2) is 1cm × 1cm, and the platinum guaze in step (3) is corresponding several
What size is 1cm × 1cm.
Wherein, the constant potential in step (4) is -1.6V, and sedimentation time is 300s.
Wherein, in step (6), mixed solution is 4ml, and temperature is 4 DEG C, and standing time is 15 minutes；In step (7),
Soak time is 15 seconds in concentrated ammonia liquor.
Wherein, in step (6), mixed solution is 4ml, and temperature is 4 DEG C, and standing time is 30 minutes；In step (7),
Soak time is 15 seconds in concentrated ammonia liquor.
Wherein, the loading of dendritic silver is 1.55mg on obtained dendritic ag material, every carbon paper in step (5)
cm-2。
It is preferred that, when left between be that the dendritic silver-palladium ruthenium composite obtained after 15 minutes is Ag@PdRu-15, wherein
Silver, palladium, ruthenium weight/mass percentage composition be respectively 88%, 4.3%, 7.7%.
It is preferred that, when left between be that the dendritic silver-palladium ruthenium composite obtained after 30 minutes is Ag@PdRu-30, wherein
Silver, palladium, ruthenium weight/mass percentage composition be respectively 85%, 5.8%, 9.2%.
A kind of dendritic silver-application of the palladium ruthenium composite in electrocatalytic oxidation ethanol, it will be loaded with above-mentioned any one
The carbon paper of the dendritic silver-palladium ruthenium composite obtained in is installed on platinum electrode folder as working electrode, with correspondingly-sized
Platinum guaze is as reference electrode, being placed in electrode, saturated calomel electrode (SCE) and fill 1molL-1Ethanol and 1molL-1
KOH mixed solutions in, use cyclic voltammetry between -0.9~0.3V with 50mVs-1Sweep speed carry out circulation volt
Peace scanning.
Beneficial effects of the present invention are：
A kind of preparation method of dendritic silver of the present invention-palladium ruthenium composite, using electrodeposition process prepare it is dendritic
Nano Silver micro-structural is template, and carrying out electricity displacement by the mixed solution of itself and palladium salt, ruthenium salt reacts, and prepares with dendritic
The nanometer dendritic silver of micro-structural-palladium ruthenium composite.Dendritic silver-palladium ruthenium the composite prepared using the present invention, can be negative
While carrying small amount palladium, ruthenium element, the original structure of dendritic Nano Silver is maintained, preparation method is simple.
Dendritic silver-palladium ruthenium composite that the present invention obtains above-mentioned preparation method is applied in ethanol and carries out electrocatalytic oxidation
Change so that on the premise of palladium, ruthenium loading is reduced as far as possible, also result in the effect of preferable electrocatalytic oxidation ethanol.
Brief description of the drawings
Fig. 1 is K2PdCl4 and 1.5mmolL-1 that dendritic ag material is placed in 1mmolL-1 RuCl3 mixed solutions
It is middle displacement 15 minutes after dendritic silver@palladiums ruthenium (Ag@PdRu-15) composite SEM figure.
Fig. 2 is that a kind of dendritic silver of the present invention-palladium ruthenium composite is applied to be followed in electrocatalytic oxidation ethanol
Ring voltammetric scan figure.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Embodiment one
With reference to Fig. 1, a kind of preparation method of dendritic silver of the present invention-palladium ruthenium composite, including have the following steps：
(8) hydrophilic carbon paper is cleaned by ultrasonic respectively in deionized water, ethanol, deionized water successively；
(9) the hydrophilic carbon paper through over cleaning in step (1) is taken in loaded on platinum electrode folder and makees working electrode；
(10) it is placed in platinum guaze when working as reference electrode to electrode, saturated calomel electrode (SCE) in electrolytic cell；
(11) electric depositing solution is prepared, by 0.04molL-1Silver nitrate solution in ammoniacal liquor is added dropwise, treat that solution first becomes
It is muddy, again bleach when stop being added dropwise；
(12) electric depositing solution prepared in step (4) is added in the electrolytic cell in step (3), with -1.2V~-
After 250~350s of 1.8V potentiostatic electrodepositions, working electrode is taken out, is washed with deionized water only, obtains dendritic ag material, electro-deposition is anti-
The equation is answered to be：Ag+-e-→Ag0；
(13) the dendritic ag material prepared in step (5) is placed in 1mmolL-1K2PdCl4With 1.5mmolL-1's
RuCl3In mixed solution, under the conditions of 3-5 DEG C, place 10-30 minute, rinsed well after taking-up with deionized water, dendritic silver and
K2PdCl4And RuCl3Electricity displacement reaction equation be：
2Ag0+K2PdCl4→Pd0+2AgCl+2KCl
3Ag0+RuCl3→Ru0+3AgCl；
(14) the dendritic ag material obtained in step (6) is placed in concentrated ammonia liquor again and steeped 10-20 seconds, then taken out, spend
Ionized water is rinsed well, that is, obtains dendritic silver-palladium ruthenium composite.
A kind of preparation method of dendritic silver of the present invention-palladium ruthenium composite, using electrodeposition process prepare it is dendritic
Nano Silver micro-structural is template, and carrying out electricity displacement by the mixed solution of itself and palladium salt, ruthenium salt reacts, and prepares with dendritic
The nanometer dendritic silver of micro-structural-palladium ruthenium composite.Dendritic silver-palladium ruthenium the composite prepared using the present invention, can be negative
While carrying small amount palladium, ruthenium element, the original structure of dendritic Nano Silver is maintained, preparation method is simple.
Embodiment two
The thickness of hydrophilic carbon paper in a kind of preparation method of dendritic silver-palladium ruthenium composite, step (1) is 0.2mm, parent
Water carbon paper scavenging period 5 minutes in deionized water, ethanol, deionized water successively.
Embodiment three
The physical dimension of working electrode in a kind of preparation method of dendritic silver-palladium ruthenium composite, step (2) is 1cm
The corresponding physical dimension of platinum guaze in × 1cm, step (3) is 1cm × 1cm.
Example IV
Constant potential in a kind of preparation method of dendritic silver-palladium ruthenium composite, step (4) is -1.6V, and sedimentation time is
300s。
Embodiment five
In a kind of preparation method of dendritic silver-palladium ruthenium composite, step (6), mixed solution is 4ml, and temperature is 4 DEG C,
Standing time is 15 minutes；In step (7), soak time is 15 seconds in concentrated ammonia liquor.
Embodiment six
In a kind of preparation method of dendritic silver-palladium ruthenium composite, step (6), mixed solution is 4ml, and temperature is 4 DEG C,
Standing time is 30 minutes；In step (7), soak time is 15 seconds in concentrated ammonia liquor.
Embodiment seven
A kind of preparation method of dendritic silver-palladium ruthenium composite, obtained dendritic ag material, every carbon in step (5)
The loading of dendritic silver is 1.55mgcm on paper-2。
Embodiment eight
A kind of preparation method of dendritic silver-palladium ruthenium composite, when left between be obtained dendritic silver-palladium after 15 minutes
Ruthenium composite is Ag@PdRu-15, and silver therein, palladium, ruthenium weight/mass percentage composition are respectively 88%, 4.3%, 7.7%.
Embodiment nine
A kind of preparation method of dendritic silver-palladium ruthenium composite, when left between be obtained dendritic silver-palladium after 15 minutes
Ruthenium composite is Ag@PdRu-30, and silver therein, palladium, ruthenium weight/mass percentage composition are respectively 85%, 5.8%, 9.2%.
Embodiment ten
A kind of dendritic silver-application of the palladium ruthenium composite in electrocatalytic oxidation ethanol, it will be loaded with above-mentioned any one
The carbon paper of the dendritic silver-palladium ruthenium composite obtained in is installed on platinum electrode folder as working electrode, with correspondingly-sized
Platinum guaze is as reference electrode, being placed in electrode, saturated calomel electrode (SCE) and fill 1molL-1Ethanol and 1molL-1
KOH mixed solutions in, use cyclic voltammetry between -0.9~0.3V with 50mVs-1Sweep speed carry out circulation volt
Peace scanning.
Dendritic silver-palladium ruthenium composite that the present invention obtains above-mentioned preparation method is applied in ethanol and carries out electrocatalytic oxidation
Change so that on the premise of palladium, ruthenium loading is reduced as far as possible, also result in the effect of preferable electrocatalytic oxidation ethanol.
With reference to Fig. 2, compared with the Pd/C catalyst of business, dendritic silver-palladium ruthenium that the present invention obtains above-mentioned preparation method
Composite, which is applied in ethanol, carries out electrocatalytic oxidation, and dendritic silver-palladium ruthenium composite material exhibits go out excellent electrocatalytic oxidation
Ethanol activity.Calculated by geometric area, forward scan oxidation peak current density of the ethanol on Ag@PdRu-15 surfaces is approximately Pd/C
On 12 times.
Compared with the dendritic silver-palladium composite material prepared under similarity condition, due to the addition of ruthenium element, dendritic silver-palladium ruthenium
The electro catalytic activity and stability of the electrocatalytic oxidation ethanol of composite all increase.Wherein, ethanol is in Ag@PdRu-15
The forward scan oxidation peak current density on surface is approximately 2.3 times on Ag@Pd-15.
Embodiment described above only expresses the preferred embodiment of the present invention, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of preparation method of dendritic silver-palladium ruthenium composite, it is characterised in that：Including having the following steps：
(1) hydrophilic carbon paper is cleaned by ultrasonic respectively in deionized water, ethanol, deionized water successively；
(2) the hydrophilic carbon paper through over cleaning in step (1) is taken in loaded on platinum electrode folder and makees working electrode；
(3) it is placed in platinum guaze when working as reference electrode to electrode, saturated calomel electrode (SCE) in electrolytic cell；
(4) electric depositing solution is prepared, by 0.04molL-1Silver nitrate solution in ammoniacal liquor is added dropwise, treat solution first become cloudy,
Stop being added dropwise during bleach again；
(5) electric depositing solution prepared in step (4) is added in the electrolytic cell in step (3), it is permanent with -1.2V~-1.8V
After 250~350s of potential deposition, working electrode is taken out, is washed with deionized water only, obtains dendritic ag material, electrodeposit reaction equation
For：Ag+-e-→Ag0；
(6) the dendritic ag material prepared in step (5) is placed in 1mmolL-1K2PdCl4With 1.5mmolL-1RuCl3It is mixed
Close in solution, under the conditions of 3-5 DEG C, place 10-30 minutes, rinsed well after taking-up with deionized water, dendritic silver and K2PdCl4
And RuCl3Electricity displacement reaction equation be：
2Ag0+K2PdCl4→Pd0+2AgCl+2KCl
3Ag0+RuCl3→Ru0+3AgCl；
(7) the dendritic ag material obtained in step (6) is placed in concentrated ammonia liquor again and steeped 10-20 seconds, then taken out, use deionized water
Rinse well, that is, obtain dendritic silver-palladium ruthenium composite.
2. a kind of preparation method of dendritic silver according to claim 1-palladium ruthenium composite, it is characterised in that：Step (1)
In hydrophilic carbon paper thickness be 0.2mm, scavenging period respectively be 5 minutes.
3. a kind of preparation method of dendritic silver according to claim 1-palladium ruthenium composite, it is characterised in that：Step (2)
In the physical dimension of working electrode be 1cm × 1cm, the corresponding physical dimension of platinum guaze in step (3) is 1cm × 1cm.
4. a kind of preparation method of dendritic silver according to claim 1-palladium ruthenium composite, it is characterised in that：Step (4)
In constant potential be -1.6V, sedimentation time is 300s.
5. a kind of preparation method of dendritic silver according to claim 1-palladium ruthenium composite, it is characterised in that：Step (6)
In, mixed solution is 4ml, and temperature is 4 DEG C, and standing time is 15 minutes；In step (7), soak time is 15 in concentrated ammonia liquor
Second.
6. a kind of preparation method of dendritic silver according to claim 1-palladium ruthenium composite, it is characterised in that：Step (6)
In, mixed solution is 4ml, and temperature is 4 DEG C, and standing time is 30 minutes；In step (7), soak time is 15 in concentrated ammonia liquor
Second.
7. a kind of preparation method of dendritic silver according to claim 1-palladium ruthenium composite, it is characterised in that：In step
(5) loading of dendritic silver is 1.55mgcm on obtained dendritic ag material, every carbon paper in-2。
8. a kind of preparation method of dendritic silver according to claim 5-palladium ruthenium composite, it is characterised in that：Work as placement
Time is that the dendritic silver-palladium ruthenium composite obtained after 15 minutes is Ag@PdRu-15, and silver therein, palladium, ruthenium quality percentage contain
Amount is respectively 88%, 4.3%, 7.7%.
9. a kind of preparation method of dendritic silver according to claim 6-palladium ruthenium composite, it is characterised in that：Work as placement
Time is that the dendritic silver-palladium ruthenium composite obtained after 30 minutes is Ag@PdRu-30, and silver therein, palladium, ruthenium quality percentage contain
Amount is respectively 85%, 5.8%, 9.2%.
10. a kind of dendritic silver-application of the palladium ruthenium composite in electrocatalytic oxidation ethanol, it is characterised in that：It will be loaded with
The carbon paper for stating the dendritic silver-palladium ruthenium composite obtained in claim 1-9 any one is installed on platinum electrode folder as work
Make electrode, using the platinum guaze of correspondingly-sized as electrode, saturated calomel electrode (SCE), as reference electrode, are placed in and filled
1mol·L-1Ethanol and 1molL-1KOH mixed solutions in, use cyclic voltammetry between -0.9~0.3V with 50mV
s-1Sweep speed carry out cyclic voltammetry scan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710308558.XA CN107186219B (en) | 2017-05-04 | 2017-05-04 | A kind of preparation method of dendritic silver-palladium ruthenium composite material and its application in electrocatalytic oxidation ethyl alcohol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710308558.XA CN107186219B (en) | 2017-05-04 | 2017-05-04 | A kind of preparation method of dendritic silver-palladium ruthenium composite material and its application in electrocatalytic oxidation ethyl alcohol |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107186219A true CN107186219A (en) | 2017-09-22 |
| CN107186219B CN107186219B (en) | 2019-04-05 |
Family
ID=59873010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710308558.XA Active CN107186219B (en) | 2017-05-04 | 2017-05-04 | A kind of preparation method of dendritic silver-palladium ruthenium composite material and its application in electrocatalytic oxidation ethyl alcohol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107186219B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736029A (en) * | 2018-06-01 | 2018-11-02 | 东莞理工学院 | Hollow ball chain structure silver-platinum ruthenium composite material and preparation method and its application in electrocatalytic oxidation ethyl alcohol |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6472552B1 (en) * | 2001-04-25 | 2002-10-29 | Rohm And Haas Company | Promoted multi-metal oxide catalyst |
| CN102489314A (en) * | 2011-12-07 | 2012-06-13 | 天津大学 | Graphene-loaded double-metal nano particles for methanol and ethanol fuel cells, and preparation method for graphene-loaded double-metal nano particles |
| CN102590305A (en) * | 2011-01-12 | 2012-07-18 | 哈尔滨工业大学 | Sensitive membrane for electrochemical biosensors and preparation method thereof |
| CN102671710A (en) * | 2011-03-07 | 2012-09-19 | 河南科技大学 | Noble metal nanocatalyst loaded on dendritic macromolecule functionalized graphene and preparation method thereof |
-
2017
- 2017-05-04 CN CN201710308558.XA patent/CN107186219B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6472552B1 (en) * | 2001-04-25 | 2002-10-29 | Rohm And Haas Company | Promoted multi-metal oxide catalyst |
| CN102590305A (en) * | 2011-01-12 | 2012-07-18 | 哈尔滨工业大学 | Sensitive membrane for electrochemical biosensors and preparation method thereof |
| CN102671710A (en) * | 2011-03-07 | 2012-09-19 | 河南科技大学 | Noble metal nanocatalyst loaded on dendritic macromolecule functionalized graphene and preparation method thereof |
| CN102489314A (en) * | 2011-12-07 | 2012-06-13 | 天津大学 | Graphene-loaded double-metal nano particles for methanol and ethanol fuel cells, and preparation method for graphene-loaded double-metal nano particles |
Non-Patent Citations (1)
| Title |
|---|
| 柳鹏等: "枝状银-钯复合材料的制备及电催化氧化乙醇性能研究", 《稀有金属》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736029A (en) * | 2018-06-01 | 2018-11-02 | 东莞理工学院 | Hollow ball chain structure silver-platinum ruthenium composite material and preparation method and its application in electrocatalytic oxidation ethyl alcohol |
| CN108736029B (en) * | 2018-06-01 | 2021-10-01 | 东莞理工学院 | Hollow sphere chain structure silver-platinum ruthenium composite material and application thereof in electrocatalytic oxidation of ethanol |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107186219B (en) | 2019-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107904614B (en) | A kind of Ni3S2@Ni-Fe LDH analyses oxygen electro catalytic electrode and the preparation method and application thereof | |
| EP3670701A1 (en) | Method for converting carbon dioxide (co2) into co by an electrolysis reaction | |
| CN105483751A (en) | Efficient Ni-S-Mo hydrogen evolution electrode and preparation method thereof | |
| EP3460102B1 (en) | Method of producing an electrocatalyst | |
| Ham et al. | Proton-exchange membrane CO2 electrolyzer for CO production using Ag catalyst directly electrodeposited onto gas diffusion layer | |
| CN110952111A (en) | Two-step oxidation synthesized electrolytic water anode and preparation method thereof | |
| Telli et al. | Electrocatalytic oxidation of methanol on Ru deposited NiZn catalyst at graphite in alkaline medium | |
| JP2017057491A (en) | Production system of reduced product | |
| CN107543849B (en) | The high activity electrode preparation method on two kinds of one step of noble metal modification common metal nanocomposite surfaces | |
| Seetharaman et al. | Electrochemical behaviour of nickel-based electrodes for oxygen evolution reaction in alkaline water electrolysis | |
| Tang et al. | Facile synthesis of polypyrrole functionalized nickel foam with catalytic activity comparable to Pt for the poly-generation of hydrogen and electricity | |
| CN112695339A (en) | Hydrogen evolution catalytic electrode, preparation method and application thereof | |
| Maizelis et al. | Formation of multilayer metal-hydroxide electrode with developed surface for alkaline water electrolysis | |
| Jin et al. | Effect of Ag modification on catalytic activity of Pd electrode for allyl alcohol oxidation in alkaline solution | |
| CN107186219B (en) | A kind of preparation method of dendritic silver-palladium ruthenium composite material and its application in electrocatalytic oxidation ethyl alcohol | |
| KR101869646B1 (en) | Manufacturing method of catalyst for reducing carbon dioxide and oxydizing formic acid, catalyst for reducing carbon dioxide and oxydizing formic acid manufactured by the same | |
| KR101832049B1 (en) | The catalyst for reducing carbon dioxide and oxydizing formic acid and preparation therof | |
| CN106549168B (en) | The preparation method of the three-dimensional Pd-Ni nano-wire array catalyst of catalyzing hydrogen peroxide electroreduction | |
| CN110195234B (en) | Electrooxidation preparation method of copper-cuprous oxide-copper oxide core-shell structure oxygen evolution electrode | |
| Poimenidis et al. | Electrodeposition of Ni particles on laser nanostructured electrodes for enhanced hydrogen evolution reaction | |
| Jin et al. | High catalytic activity of Pt-modified Ag electrodes for oxidation of glycerol and allyl alcohol | |
| CN108736029B (en) | Hollow sphere chain structure silver-platinum ruthenium composite material and application thereof in electrocatalytic oxidation of ethanol | |
| JP2008138282A (en) | Anode for alkaline electrolysis | |
| CN112993266B (en) | Construction starch fuel cell constructed by applying CuO-NiNPs/carbon cloth plastic electrode | |
| CN102899684A (en) | Preparation method for cathodic porous supported catalytic electrode used in electrolysis and hydro-liquefaction of coal |
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 | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20170922 Assignee: Dongguan Creative Environmental New Materials Technology Co.,Ltd. Assignor: DONGGUAN University OF TECHNOLOGY Contract record no.: X2022980027689 Denomination of invention: A Preparation Method of Dendritic Ag-Pd-Ru Composite and Its Application in Electrocatalytic Oxidation of Ethanol Granted publication date: 20190405 License type: Common License Record date: 20221230 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20170922 Assignee: Yantai Liuyue Construction Services Co.,Ltd. Assignor: DONGGUAN University OF TECHNOLOGY Contract record no.: X2023980033120 Denomination of invention: A Preparation Method of Dendritic Ag-Pd-Ru Composite and Its Application in Electrocatalytic Oxidation of Ethanol Granted publication date: 20190405 License type: Common License Record date: 20230301 |
|
| EE01 | Entry into force of recordation of patent licensing contract |