CN108306023A - A kind of BN/CuAg/CNT composite material and preparation methods and purposes - Google Patents
A kind of BN/CuAg/CNT composite material and preparation methods and purposes Download PDFInfo
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- CN108306023A CN108306023A CN201810087659.3A CN201810087659A CN108306023A CN 108306023 A CN108306023 A CN 108306023A CN 201810087659 A CN201810087659 A CN 201810087659A CN 108306023 A CN108306023 A CN 108306023A
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- 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
- H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
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- 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
- H01M4/9041—Metals or alloys
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- 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
- H01M4/9075—Catalytic material supported on carriers, e.g. powder carriers
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- 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
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Abstract
The invention discloses a kind of BN/CuAg/CNT composite material and preparation methods and purposes, belong to electrocatalysis material technical field.Cu, Ag particle are uniformly attached between BN lamellas in the BN/CuAg/CNT composite materials and sheet surfaces, CNT play fixed function to Ag, Cu and BN.The BN/CuAg/CNT composite materials of the present invention have efficient electrocatalytic oxidation reducing property and higher electrochemical stability；Phase preparation method W-response mild condition does not use organic solvent, and safety and environmental protection, post-processing is simple, and flow is short, and less energy consumption, overall cost is substantially reduced.
Description
Technical field
The invention belongs to electrocatalysis material technical fields, and in particular to a kind of BN/CuAg/CNT composite materials and its preparation
Method and purposes.
Background technology
With the ecological concern increasingly in short supply and growing of fossil fuel, sustainable energy technology is by more and more
Concern and attention.In sustainable energy technology, the energy storage based on electrochemical techniques and converting system Yin Qisheng
Produce at low cost, energy conversion efficiency is high, highly reliable and small environmental pollution advantage and be concerned.Fuel cell is to pass through
Chemical energy among fuel is converted into the device of electric energy.Fuel cell appearance is similar with common accumulator, but practical
It is upper it cannot " storing up electricity " but one " power plant ".As long as having electrode and electrolyte and redox reaction being sent out
Electricity.Currently, using platinum catalyst as main elctro-catalyst in low-temperature fuel cell.Platinum and its alloy are traditional electro-catalysis
Agent.With other metal phase ratios, platinum has higher electro catalytic activity, and platinum and its alloy have in fuel-cell electrolyte
Excellent corrosion resistance.But platinum expensive, scarcity of resources, and be easy by methanol adsorption, and by Oxidation of Formic Acid
During will produce intermediate product CO, cause catalyst that can not intervene the generation of reaction, i.e. catalyst poisoning, these all with can
Sustainable development theory is disagreed.Therefore, the mankind are to seek more perfect elctro-catalyst and constantly exploration discovery.Then, resource
Abundant and cheap metallic catalyst and electrical nano material enter the eyes of people, and later always by numerous studies.
At this stage, certain novel electro-catalytic materials, the simply non-alloy platinum material of especially at low cost, preparation method, in the storage of electrochemical energy
It is played a crucial role in the conversion equipment of cryopreservation device and energy.With being constantly progressive and global economy for natural science
It continues to develop, the research of such elctro-catalyst achieves the development advanced by leaps and bounds, the durability in oxygen reduction reaction (ORR)
And the characteristics of high efficiency is the key that fuel cell development.
Hexagonal boron nitride, which is white fluffy shape, soft texture, the powder of smooth feeling, similar to the property of graphite, is sheet
Structure, therefore have the title of " white graphite ".With good electrical insulating property, thermal conductivity, chemical resistance and lubricity.Boron nitride
It can be widely used in oil, chemical industry, machinery, electronics, electric power, weaving, nuclear industry, space flight and other industrial departments.Currently, few
About the synthesis of boron nitride-metal-carbon pipe composite material and its application study in a fuel cell, related electrochemistry
The report of performance test is also extremely rare.
Invention content
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of BN/CuAg/CNT composite woods
Material and its preparation method and application, overcome the catalyst cost existing in the prior art for fuel cell it is higher, easily by CO
Poison, electrocatalytic oxidation reducing property it is unstable, the defects of using being restricted.
To achieve the goals above or other purposes, the present invention is achieved by the following technical solutions.
A kind of BN/CuAg/CNT composite materials, Cu, Ag particle are uniformly attached in the BN/CuAg/CNT composite materials
Between BN lamellas and sheet surfaces, CNT play fixed function to Ag, Cu and BN.
The BN/CuAg/CNT composite materials of the present invention, metallic copper, silver are uniformly adhered to the sheet surfaces of BN (boron nitride)
And between lamella, and the CNT (carbon nanotube) in composite material can further fix copper, Argent grain and BN, form caged
Structure, while carbon nanotube also improves the electric conductivity of material.
Preferably, the molar ratio of BN, Cu, Ag and CNT are 1：1：1：1.
The present invention also provides a kind of method preparing BN/CuAg/CNT composite materials described above, adopted in the method
It is starting material with BN, copper nitrate, silver nitrate, CNT, ethylene glycol is dispersant, concentrated ammonia liquor is complexing agent, and sodium borohydride is reduction
Agent carries out preparing BN/CuAg/CNT composite materials.
The BN is the hexagonal boron nitride obtained by general commercial means.The CNT is to be obtained by general commercial means
The carbon nanotube obtained.
Specifically, include the following steps：
(1) copper nitrate, silver nitrate are dissolved in deionized water, stir lower dropwise addition concentrated ammonia liquor, obtains mixed solution；
(2) BN, CNT, ethylene glycol are add to the above mixed solution, ultrasonic disperse；
(3) after ultrasonic disperse, sodium borohydride solution is added dropwise under stirring into solution, it is post-treated after reaction to obtain
Obtain BN/CuAg/CNT composite materials.
Further, in this method, raw material BN, copper nitrate, silver nitrate, CNT molar ratio be 1:1:1:1.
Further, to ensure that silver ion, copper ion are completely reduced, the dosage of sodium borohydride solution should ensure that hydroboration
Sodium respectively with copper nitrate and silver nitrate excessive response.
Further, under step (1) room temperature to copper nitrate, silver nitrate mixed aqueous solution in be added dropwise concentrated ammonia liquor when, first
Generate AgOH precipitations, Kocide SD precipitation etc., as the amount that concentrated ammonia liquor is added dropwise increases, precipitate gradually dissolving formed silver-colored ammino from
Son, ammoniacal copper complex ion；Therefore, concentrated ammonia liquor to precipitation is added dropwise in step (1) to be completely dissolved.
Further, the preparation method of sodium borohydride solution is in step (3)：Using deionized water, prepare 0.5~
The sodium hydroxide solution of 2mol/L；Using sodium hydroxide solution as solvent, sodium borohydride is solute, prepares the hydroboration of 0.1mol/L
Sodium solution.
In the present invention, the formulation operations of sodium borohydride solution also can in advance be prepared when preparing composite material and starting, or
It is prepared again when step (3) use.Preferably, the sodium borohydride solution in the present invention is by the way of matching while using.
Further, the molal volume of BN and ethylene glycol ratio is 2.5mol in step (2)：1L.
Further, the ultrasonic disperse time is 30min~60min in step (2).
Further, post-processing includes washing, dry, calcining in step (3).
Preferably, after reaction, the mixed solvent of reaction mixture absolute ethyl alcohol and deionized water is washed
For several times, the crude product after washing is dried in vacuo 5-7h at 70-100 DEG C.Product after drying is after grinding, in ar gas environment
Under, 1.5~3h is calcined at 750~850 DEG C, after calcining, is cooled to room temperature, and grinding obtains BN/CuAg/CNT composite materials.
It is highly preferred that the crude product after washing is dried in vacuo 6h at 85 DEG C.Under ar gas environment, in tube furnace internal program
Temperature-raising method calcines 2h at 800 DEG C.
Another aspect of the present invention additionally provides a kind of BN/CuAg/CNT composite materials conduct in a fuel cell described above
The purposes of catalyst.
And its BN/CuAg/CNT composite materials obtained by method described above are in a fuel cell as catalyst
Purposes.
Hexagonal boron nitride employed in the present invention has the layer structure of similar graphite, although without electric conductivity,
With preferable absorption property, therefore, using the absorption property of BN, the surfaces BN of uniformly adhering to metallic silver in the present invention and
Between lamella, the addition of carbon nanotube can further fix metallic copper, Argent grain and BN, form cage structure, simultaneously
Improve the electric conductivity of composite material.
BN/CuAg/CNT composite materials produced by the present invention are in the KOH solution for the 0.1M that oxygen is saturated, and electrocatalytic oxidation is also
For former initial oxidation current potential in 1.3V or so, maximum hydrogen reduction electric current can reach 10-3mA/cm2The order of magnitude, there is efficient electricity
Catalytic oxidation-reduction performance.After the electro-chemical test of 16000s, the current density of BN/CuAg/CNT composite materials of the invention
Still up to start when 95% or so (and under same experimental conditions business Pt (20%)/C composite be only start when 77%
Left and right), there is extraordinary electrochemical stability.
In preparation method of the present invention using deionized water as solvent, chlorion is avoided to entirely reacting
It influences；Using concentrated ammonia liquor as complexing agent, after generating stable ammoniacal copper complex ion, silver ammino ion with copper ion, silver ion, alkali
Agent sodium borohydride reduction is reduced into elemental copper and elemental silver under the conditions of property.Using ethylene glycol as dispersant, it is uniform that particle can be obtained
Elemental copper Argent grain, so that evengranular elemental metals silver, copper is uniformly adhered between nitridation boron surface and lamella.
Method using the present invention, W-response mild condition do not use organic solvent, and safety and environmental protection, post-processing is simple, and flow is short,
Less energy consumption, overall cost are substantially reduced.
Description of the drawings
Fig. 1 is scanning electron microscope (SEM) collection of illustrative plates of the BN/CuAg/CNT composite materials obtained by embodiment 1；
Fig. 2 is X-ray diffraction (XRD) collection of illustrative plates of the BN/CuAg/CNT composite materials obtained by embodiment 1；
Fig. 3 is embodiment 1, the 0.1M KOH solutions of comparative example 1, the oxygen saturation of composite material obtained by comparative example 2
In cyclic voltammetry curve figure, wherein sweep speed be 5mV s-1；
Fig. 4 is the time current curve of the BN/CuAg/CNT composite materials and Pt/C composite materials obtained by embodiment 1
Figure.
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this explanations below by way of particular specific embodiment
Content disclosed by book understands other advantages and effect of the present invention easily.The present invention can also be by addition different specific
Embodiment is embodied or practiced, and the various details in this specification can also be based on different viewpoints and application, not carry on the back
Various modifications or alterations are carried out under spirit from the present invention.
It should be noted that in the absence of conflict, the feature in following embodiment and embodiment can be combined with each other.Also
It should be appreciated that the term used in the embodiment of the present invention is to describe specific specific embodiment, rather than in order to limit
Protection scope of the present invention.The test method of actual conditions is not specified in the following example, usually according to normal condition, or presses
According to the condition proposed by each manufacturer.
When embodiment provides numberical range, it should be appreciated that except non-present invention is otherwise noted, two ends of each numberical range
Any one numerical value can be selected between point and two endpoints.Unless otherwise defined, in the present invention all technologies for using and
Record of the scientific terminology with those skilled in the art to the grasp of the prior art and the present invention, can also use and this hair
Any method, equipment and the material of the similar or equivalent prior art of method, equipment described in bright embodiment, material is realized
The present invention.
BN employed in the embodiment of the present invention is the hexagonal boron nitride obtained by general commercial means, and CNT is to pass through
The common carbon nanotube that general commercial means obtain.
In embodiments of the present invention, BN, Cu, Ag and CNT molar ratio of BN/CuAg/CNT composite materials are 1：1：1：1.Gold
Category Cu, Ag are uniformly attached between BN lamellas and sheet surfaces, and CNT plays fixed functions to Cu, Ag and BN.
The sodium borohydride solution preparation method of 0.1mol/L employed in the embodiment of the present invention is：Using deionized water,
Prepare the sodium hydroxide solution of 0.5~2mol/L；Using sodium hydroxide solution as solvent, sodium borohydride is solute, prepares 0.1mol/
The sodium borohydride solution of L.
Embodiment 1
A kind of BN/CuAg/CNT composite materials, Ni metal Ag particles are uniformly attached between BN lamellas and sheet surfaces,
CNT plays fixed function to Ag, Cu and BN, forms cage structure.Wherein, the molar ratio of BN, Cu, Ag and CNT are 1：1：1：1.
Preparation method includes the following steps：
(1) 30mL deionized waters are added in the small beaker of 100mL, while magnetic stirrer, are added
1.2080g(0.005mol)Cu(NO3)2·2H2O, 0.8494g (0.005mol) AgNO3, stir to dissolving, obtain light blue uniform
Liquid is slowly added dropwise concentrated ammonia liquor to precipitation is generated again to precipitation dissolving, obtains mixed solution；
(2) add ethylene glycol 2mL, carbon nanotube 0.06g (0.005mol), hexagonal boron nitride into above-mentioned mixed solution
0.124g (0.005mol), ultrasound 30min makes to be uniformly mixed after stirring 2min；
(3) under room temperature, the sodium borohydride solution 30ml of 0.1mol/L is slowly added dropwise in magnetic agitation while, continues stirring extremely
Reaction terminates, gained crude product deionized water and absolute ethyl alcohol mixed solution (volume ratio 1：1) it washs five times, it then will be thick
Product is put into vacuum drying chamber and is dried in vacuo 6h at 85 DEG C, takes out, grinding, 800 DEG C of calcinings under argon gas atmosphere in tube furnace
2h obtains black powder, as has the BN/CuAg/CNT composite materials of efficient electric catalytic oxidation-reduction performance.
BN/CuAg/CNT composite materials are subjected to SEM, XRD characterization.
Gained SEM spectrum is as shown in Figure 1, wherein sheet is BN, granular simple substance Ag and elemental copper, tubulose
For CNT.From figure 1 it appears that elemental silver and copper are in granular form, uniform particle sizes are supported between the lamella of BN and lamella table
Face, CNT further fix elemental silver, form stable cage structure.As can be seen from the figure elemental silver and elemental copper are in material
Distributing very evenly in material.
Fig. 2 is the XRD spectrum of the BN/CuAg/CNT composite materials of the present embodiment, can be seen that material from the diffraction maximum in figure
In addition to BN, elemental silver, elemental copper, CNT in material, there is no the appearance of other impurity peaks, it was demonstrated that BN/CuAg/CNT composite materials
Purity is very high.
Embodiment 2
That the preparation method is the same as that of Example 1 is identical for BN/CuAg/CNT composite materials in the present embodiment, different from embodiment 1
It is that step is dried in vacuo 5h in (3) at 90 DEG C, after grinding, under ar gas environment, 850 DEG C of calcining 1.5h in tube furnace.
Embodiment 3
That the preparation method is the same as that of Example 1 is identical for BN/CuAg/CNT composite materials in the present embodiment, different from embodiment 1
It is that step is dried in vacuo 6h in (3) at 80 DEG C, after grinding, under ar gas environment, 800 DEG C of calcining 3h in tube furnace.
Comparative example 1
In the small beaker of 100mL, while magnetic stirrer, 30mL deionized waters are added, 1.2080g is added
(0.005mol)Cu(NO3)2·2H2O, 0.8494g (0.005mol) AgNO3, stirring and dissolving forms light blue uniform liquid, slow
It is slow that concentrated ammonia liquor is added dropwise to generation precipitation again to precipitation dissolving.Add ethylene glycol 2mL, carbon nanotube 0.06g (0.005mol), stirs
Ultrasound 30min makes to be uniformly mixed after 2min.Under room temperature, the sodium borohydride solution of 0.1mol/L is slowly added dropwise in magnetic agitation while
30ml continues stirring to reaction and terminates, gained crude product deionized water and absolute ethyl alcohol mixed solution (volume ratio 1：1) it washes
Wash five times, be put into vacuum drying chamber at 85 DEG C be dried in vacuo 6h take out, grinding, in tube furnace under argon gas atmosphere 800 DEG C forge
2h is burnt, black powder, as contrast material CuAg/CNT composite materials are obtained.
Comparative example 2
In the small beaker of 100mL, while magnetic stirrer, 30mL deionized waters are added, 1.2080g is added
(0.005mol)Cu(NO3)2·2H2O, 0.8494g (0.005mol) AgNO3, stirring and dissolving forms light blue uniform liquid, slow
It is slow that concentrated ammonia liquor is added dropwise to generation precipitation again to precipitation dissolving.Ethylene glycol 2mL, hexagonal boron nitride 0.124g (0.005mol) is added to stir
Ultrasound 30min makes to be uniformly mixed after mixing 2min.Under room temperature, the sodium borohydride that 0.1mol/L is slowly added dropwise in magnetic agitation while is molten
Liquid 30ml continues stirring to reaction and terminates, gained crude product deionized water and absolute ethyl alcohol mixed solution (volume ratio 1：1)
Washing five times is put into vacuum drying chamber at 85 DEG C and is dried in vacuo 6h taking-ups, grinding, in tube furnace 800 DEG C under argon gas atmosphere
2h is calcined, black powder, as contrast material CuAg/BN composite materials are obtained.
Experimental example
1, the composite material obtained in embodiment 1, comparative example 1, comparative example 2 is subjected to corresponding chemical property respectively
Test, electro-chemical test instrument be Shanghai Chen Hua company CHI 760E type electrochemical workstations.Electro-chemical test is adopted
It is to electrode, with saturated calomel electrode (SCE) for reference electrode, using glass-carbon electrode as work electricity with platinum filament with three-electrode system
Pole.In 0.1mol L when test-1With Hg/Hg in KOH solution2Cl2It for reference electrode, carries out at room temperature, sweep speed is 5mV s-1, the amount of catalyst is 0.073mg on glass carbon working electrode.
Specifically, before each oxygen reduction reaction starts, all by electrolyte solution N2Saturation, from 0.2V to -0.8V with 5mV
s-1Sweep speed scan 20 cycle to ensure the stabilization of current-voltage signal.Electrolyte solution is passed through O2At least 30min is again
Carry out the test of chemical property.The scanning of at least 20 cycles of working electrode before data recording.
Test results are shown in figure 3, it can be seen from the figure that the BN/CuAg/CNT composite materials of embodiment 1 are full in oxygen
In the 0.1M KOH solutions of sum, there is good electrocatalytic oxidation reducing property, initial oxidation current potential is in 1.3V or so；The Ag/ of comparative example 1
For CNT composite materials in the 0.1M KOH solutions that oxygen is saturated, electrocatalytic oxidation reducing property is general, and initial oxidation current potential is in 1.0V
Left and right；For the Ag/BN composite materials of comparative example 2 in the 0.1M KOH solutions that oxygen is saturated, electrocatalytic oxidation reducing property is general, rises
Beginning, oxidizing potential was in 0.95V or so.
Comparison is it can be found that the electrocatalytic oxidation reducing property of the BN/CuAg/CNT composite materials of the embodiment of the present invention 1 compares
The performance of composite material is significantly improved in ratio 1,2, is in particular in starting hydrogen reduction current potential more than comparative example material
Just, peak point current bigger.It is possible thereby to prove, BN/CuAg/CNT composite materials of the invention are compound by BN, Cu, Ag, CNT,
With preferable synergistic effect, electrocatalytic oxidation reducing property significantly improves, and is apparently higher than the compound of arbitrary the two.
2, the BN/CuAg/CNT composite materials for being obtained embodiment 1, with existing conventional material Pt/C composite materials
(general commercial means are bought) tests its corresponding time current curve graph respectively.
Test results are shown in figure 4, it can be seen from the figure that the BN/CuAg/CNT composite materials of embodiment 1 pass through
16000 seconds cycles, the ultimate current of reaction are 93% or so of initial current, and business Pt/C composite materials are under same case
77% or so, it can thus be seen that the stability of BN/CuAg/CNT composite materials is more preferable.
In short, the BN/CuAg/CNT composite materials of the present invention can be used as the use of the catalyst in fuel cell, have higher
Electrocatalytic oxidation reducing property and stability.Therefore, the present invention effectively overcome some practical problems in the prior art to
With very high utility value and use meaning.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (10)
1. a kind of BN/CuAg/CNT composite materials, which is characterized in that CuAg particles are equal in the BN/CuAg/CNT composite materials
Even to be attached between BN lamellas and sheet surfaces, CNT plays fixed functions to Ag, Cu and BN.
2. BN/CuAg/CNT composite materials as described in claim 1, which is characterized in that the molar ratio of BN, Cu, Ag and CNT are 1：
1：1：1.
3. a kind of method preparing any one of claim 1 to 2 BN/CuAg/CNT composite materials, which is characterized in that described
Use BN, copper nitrate, silver nitrate, CNT for starting material in method, ethylene glycol is dispersant, concentrated ammonia liquor is complexing agent, hydroboration
Sodium is reducing agent.
4. method as claimed in claim 3, which is characterized in that include the following steps：
(1) copper nitrate, silver nitrate are dissolved in deionized water, stir lower dropwise addition concentrated ammonia liquor, obtains mixed solution；
(2) BN, CNT, ethylene glycol are add to the above mixed solution, ultrasonic disperse；
(3) after ultrasonic disperse, sodium borohydride solution is added dropwise under stirring into solution, after reaction post-treated acquisition
BN/CuAg/CNT composite materials.
5. method as claimed in claim 4, which is characterized in that BN, copper nitrate, silver nitrate, CNT molar ratio be 1:1:1:1.
6. method as claimed in claim 4, which is characterized in that concentrated ammonia liquor to precipitation is added dropwise in step (1) and is completely dissolved.
7. method as claimed in claim 4, which is characterized in that the preparation method of sodium borohydride solution is in step (3)：Using going
Ionized water prepares the sodium hydroxide solution of 0.5~2mol/L；Using sodium hydroxide solution as solvent, sodium borohydride is solute, is prepared
The sodium borohydride solution of 0.1mol/L.
8. method as claimed in claim 4, which is characterized in that further include any one or multinomial of following characteristics：
The molal volume of BN and ethylene glycol ratio is 2.5mol in step (2)：1L；
The ultrasonic disperse time is 30min~60min in step (2)；
Post-processing includes washing, dry, calcining in step (3).
9. BN/CuAg/CNT composite materials are in a fuel cell as the use of catalyst as described in any one of claim 1 to 2
On the way.
10. the BN/CuAg/CNT composite materials as obtained by any one of claim 3 to 8 the method are made in a fuel cell
For the purposes of catalyst.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110010904A (en) * | 2019-03-04 | 2019-07-12 | 济南大学 | A kind of composite material and preparation method and purposes with electrocatalytic oxidation reducing property |
| CN113409985A (en) * | 2021-06-21 | 2021-09-17 | 中科检测技术服务(重庆)有限公司 | Preparation and application of nano-copper conductive slurry |
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| CN104599737A (en) * | 2014-12-17 | 2015-05-06 | 华南理工大学 | Micro-nano silver/conductive polymer composite, preparation method thereof and application |
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| CN104599737A (en) * | 2014-12-17 | 2015-05-06 | 华南理工大学 | Micro-nano silver/conductive polymer composite, preparation method thereof and application |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110010904A (en) * | 2019-03-04 | 2019-07-12 | 济南大学 | A kind of composite material and preparation method and purposes with electrocatalytic oxidation reducing property |
| CN110010904B (en) * | 2019-03-04 | 2022-04-19 | 济南大学 | Composite material with electrocatalytic oxygen reduction performance and preparation method and application thereof |
| CN113409985A (en) * | 2021-06-21 | 2021-09-17 | 中科检测技术服务(重庆)有限公司 | Preparation and application of nano-copper conductive slurry |
| CN113409985B (en) * | 2021-06-21 | 2023-05-23 | 中科检测技术服务(重庆)有限公司 | Preparation and application of nano copper conductive paste |
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| CN108306023B (en) | 2020-11-24 |
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