CN104233379B - Electro-deposition preparation method of carbon nano tube-copper base composite powder - Google Patents
Electro-deposition preparation method of carbon nano tube-copper base composite powder Download PDFInfo
- Publication number
- CN104233379B CN104233379B CN201410450868.1A CN201410450868A CN104233379B CN 104233379 B CN104233379 B CN 104233379B CN 201410450868 A CN201410450868 A CN 201410450868A CN 104233379 B CN104233379 B CN 104233379B
- Authority
- CN
- China
- Prior art keywords
- nano tube
- carbon nano
- copper
- electro
- electrolyte
- 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.)
- Active
Links
Abstract
The invention relates to an electro-deposition preparation method of carbon nano tube-copper base composite powder, and belongs to the technical field of new material and metal powder preparation. The electro-deposition preparation method comprises the following steps: firstly, carrying out surface functionalization and dispersion on a carbon nano tube; preparing composite electro-deposition liquor, namely uniformly mixing copper sulfate, sulfuric acid, treated carbon nano tube, an additive and water to prepare electrolyte; a composite powder electro-deposition process, namely by taking metal copper as an anode and taking metal titanium as a cathode, carrying out electro-deposition in prepared electrolyte for 20-200 minutes under conditions of controlling the temperature of the electrolyte to 20-120 DEG C and cathode current density to 50-300mA/cm＜2＞to obtain carbon nano tube-copper base composite powder on the cathode. According to the electro-deposition preparation method disclosed by the invention, an inert carbon-carbon bond on the surface of the carbon nano tube is opened by virtue of a mechanical process to form an active functional group, so that the interface repulsive force between the carbon nano tube and the electrolyte is lowered, and the uniform distribution of the carbon nano tube in copper particles is realized.
Description
Technical field
The present invention relates to a kind of electro-deposition preparation method of carbon nano tube-copper based composite powder, belongs to new material and metal
Preparation Technique of Powders field.
Background technology
Carbon nano tube-copper based composite powder is the primary raw material that powder metallurgic method prepares carbon nano tube-copper based composites,
Because the surface-active of CNT is very low, very poor with the wetability of metallic matrix, this allows for CNT and is difficult and metal
Matrix forms firm interface cohesion, and especially mechanical property is difficult to improve to cause the performance of composite.In order to give full play to
The premium properties of CNT, need the key issue for solving first be the dispersed of CNT and with metallic matrix
Problem of Wettability.To solve the dispersed problem of carbon pipe, patent publication No. is that CN101716677A proposes to adopt chemical coprecipitation
Area method prepares copper-base composite particles of internal carbon-inlaid nano pipe, molten by the nitration mixture that the concentrated sulfuric acid and red fuming nitric acid (RFNA) are constituted first with certain proportion
Liquid carries out purification process to CNT, further functionalization is carried out to CNT using gelatin, in copper solution（Sulfuric acid
Copper, glucose and polyglycol solution）, copper oxide particle is formed on the carbon nanotubes, and CNT is inlayed wherein.So
Afterwards the oxide of copper is reduced into into copper in hydrogen atmosphere.Patent publication No. prepares carbon for CN102628115A using high-energy ball milling
Nanotube strengthens copper-based composite granule, by the auxiliary agent of the CNT of 0.5 ~ 10wt%, 85 ~ 99.4% copper powder and 0.1 ~ 5wt%
Being put in high energy ball mill carries out ball milling, and ball-milling medium is stainless steel ball, and ball material mass ratio is 5 ~ 50:1, drum's speed of rotation is
200 ~ 1000r/min, Ball-milling Time is 1 ~ 10h, selects argon gas to aoxidize with powder during preventing as milling atmosphere, acquisition
Composite granule Jing reduced anneals → compressing → vacuum-sintering obtains the carbon nanotube reinforced copper-base of high strength and high hardness and is combined
Material.Patent publication No. is that CN103170627A is received using the carbon that the method screening of rotation electrophoresis obtains draw ratio distribution gradient
Mitron, is then increased in gradient by draw ratio and is well mixed with copper alloy powder Jing ball mills respectively, is obtained Jing after chemical nickel plating
Copper-based composite powder.Number of patent application is that a kind of anodic solution of 2014103219152 propositions prepares carbon nano tube-copper composite granule
Method, be configured to mantoquita after being first well mixed in mantoquita, the acid CNT, depolarizing agent, dispersant and the water that have purified
Solution, is then placed in the copper that configured using a kind of in magnesium and its alloy, zinc and its alloy, aluminium and its alloy as dissolving anode
In salting liquid, temperature be 0 ~ 100 DEG C, ultrasound or mechanical agitation under electricity reaction 0.1 ~ 12h, prepare CNT-
Copper composite powders.Although in above-mentioned technology, having obtained carbon nano tube-copper based composite powder, still come with some shortcomings, e.g.,
Process operations are complex, relatively costly, production controllability deficiency etc..
The content of the invention
The problem existed for above-mentioned prior art and deficiency, the present invention provides a kind of carbon nano tube-copper based composite powder
Electro-deposition preparation method.The inertia carbon-carbon bond of carbon nano tube surface is unfolded into activity by the present invention by Mechanical Method first
Functional group, to reduce CNT and electrolyte interface repulsion, then using carbon nano tube surface functional group elecrtonegativity with
Electropositive Cu2+With reference to, in cathode codeposition, and realize CNT being uniformly distributed in copper particle, the present invention by with
Lower technical scheme is realized.
A kind of electro-deposition preparation method of carbon nano tube-copper based composite powder, it is comprised the following steps that：
（1）Carbon nano tube surface functionalization and dispersion：It is with dispersant mass ratio by CNT and according to CNT
13~20:1 adds dispersant, and surface mechanical activation is carried out in oxidizing atmosphere with dispersion；
（2）Configuration composite electrodeposition liquid：First by copper sulphate, sulfuric acid, Jing steps（1）CNT, addition after process
Agent and water are configured to electrolyte after being well mixed, wherein in electrolyte concentration of copper sulfate be 20 ~ 200g/L, sulfuric acid concentration be 50 ~
300g/L, carbon nanotube concentration is 0.1 ~ 1.0g/L, and additive concentration is 0.5 ~ 10g/L, remaining as water；
（3）Composite granule electrodeposition process：With metallic copper as anode, Titanium is negative electrode, is electrolyte temperature is controlled
20 ~ 120 DEG C, cathode-current density be 50 ~ 300mA/cm2Under the conditions of, in step（2）Electro-deposition 20 in the electrolyte of configuration ~
200min, can obtain the copper-based composite granule of CNT in negative electrode.
The step（1）In surface mechanical activation be separated into mechanical milling process, Ball-milling Time is 20 ~ 150min.
The step（1）In dispersant and step（2）In additive be polyvinylpyrrolidone, dodecyl sulphate
Sodium, neopelex, Cetyltrimethylammonium bromide, CTAB, gelatin, polyvinyl alcohol,
One or more arbitrary proportion mixtures in polyethylene glycol.
The step（1）In oxidizing atmosphere be mass ratio be 5 ~ 20:The mixed gas of 1 oxygen and air.
The invention has the beneficial effects as follows：（1）Technological operation is simple, and carbon nano tube-copper based composite powder is only needed through once
Composite electrodeposition can be formed, and technique agents useful for same consumes very low, it is only necessary to regularly replace anode；（2）CNT is by copper particle
Uniform cladding；（3）This method environmental friendliness, operating environment is improved, it is easy to industrialized.
Description of the drawings
Fig. 1 is the infrared spectrogram in the embodiment of the present invention 1 after CNT activation；
Fig. 2 is the scanning electron microscope (SEM) photograph A of the carbon nano tube-copper based composite powder prepared in the embodiment of the present invention 1；
Fig. 3 is the scanning electron microscope (SEM) photograph B of the carbon nano tube-copper based composite powder prepared in the embodiment of the present invention 1；
Fig. 4 is the transmission electron microscope picture of the carbon nano tube-copper based composite powder prepared in the embodiment of the present invention 1.
Specific embodiment
With reference to the accompanying drawings and detailed description, the invention will be further described.
Embodiment 1
The electro-deposition preparation method of the carbon nano tube-copper based composite powder, it is comprised the following steps that：
（1）Carbon nano tube surface functionalization and dispersion：By 10g CNTs and according to CNT and dispersant mass ratio
For 20:1 add dispersant, carry out in oxidizing atmosphere surface mechanical activation with dispersion, wherein surface mechanical activation be separated into
Mechanical milling process, ball-milling medium steel ball 200g, Ball-milling Time is 30min, and dispersant is polyvinylpyrrolidone（PVP）, oxic gas
It is 5 that atmosphere is mass ratio:The mixed gas of 1 oxygen and air, the infrared spectrum of Jing surfaces mechanical activation and scattered CNT
It is illustrated in Fig. 1；
（2）Configuration composite electrodeposition liquid：First by copper sulphate, sulfuric acid, Jing steps（1）CNT, addition after process
Agent and water are configured to electrolyte after being well mixed, concentration of copper sulfate is 20g/L wherein in electrolyte, and sulfuric acid concentration is 50g/L, carbon
Concentrations of nanotubes is 0.1g/L, and additive concentration is 1g/L, and remaining as water, wherein additive is 0.5g/L polyvinylpyrrolidones
With 0.5g/L lauryl sodium sulfate；
（3）Composite granule electrodeposition process：With metallic copper as anode, Titanium is negative electrode, is electrolyte temperature is controlled
20 DEG C, cathode-current density be 50mA/cm2Under the conditions of, in step（2）Electro-deposition 20min in the electrolyte of configuration, can be in the moon
Pole obtains particle mean size for the copper-based composite granule of 42.5 μm of CNTs.
Fig. 2 and 3 is the scanning electron microscope (SEM) photograph of the different amplification of carbon nano tube-copper based composite powder, and Fig. 4 is carbon nanometer
The transmission electron microscope picture of pipe-copper-based composite granule.
Embodiment 2
The electro-deposition preparation method of the carbon nano tube-copper based composite powder, it is comprised the following steps that：
（1）Carbon nano tube surface functionalization and dispersion：By 20g CNTs and according to CNT and dispersant mass ratio
For 13:1 add dispersant, carry out in oxidizing atmosphere surface mechanical activation with dispersion, wherein surface mechanical activation be separated into
Mechanical milling process, ball-milling medium steel ball 400g, Ball-milling Time is 50min, and dispersant is CTAB（CTAB）,
It is 10 that oxidizing atmosphere is mass ratio:The mixed gas of 1 oxygen and air；
（2）Configuration composite electrodeposition liquid：First by copper sulphate, sulfuric acid, Jing steps（1）CNT, addition after process
Agent and water are configured to electrolyte after being well mixed, concentration of copper sulfate is 100g/L wherein in electrolyte, and sulfuric acid concentration is 180g/L,
Carbon nanotube concentration is 0.5g/L, and additive concentration is 5g/L, remaining as water, additive be 2.5g/L lauryl sodium sulfate and
2.5g/L polyethylene glycol；
（3）Composite granule electrodeposition process：With metallic copper as anode, Titanium is negative electrode, is electrolyte temperature is controlled
50 DEG C, cathode-current density be 150mA/cm2Under the conditions of, in step（2）Electro-deposition 50min, Ji Neng in the electrolyte of configuration
Negative electrode obtains the copper-based composite granule of CNT that particle mean size is 34.7 μm.
Embodiment 3
The electro-deposition preparation method of the carbon nano tube-copper based composite powder, it is comprised the following steps that：
（1）Carbon nano tube surface functionalization and dispersion：By 30g CNTs and according to CNT and dispersant mass ratio
For 15:1 add dispersant, carry out in oxidizing atmosphere surface mechanical activation with dispersion, wherein surface mechanical activation be separated into
Mechanical milling process, ball-milling medium steel ball 600g, Ball-milling Time is 20min, and dispersant is polyvinyl alcohol, and oxidizing atmosphere is that mass ratio is
15:The mixed gas of 1 oxygen and air；
（2）Configuration composite electrodeposition liquid：First by copper sulphate, sulfuric acid, Jing steps（1）CNT, addition after process
Agent and water are configured to electrolyte after being well mixed, concentration of copper sulfate is 150g/L wherein in electrolyte, and sulfuric acid concentration is 200g/L,
Carbon nanotube concentration is 0.8g/L, and additive concentration is 7g/L, and remaining as water, additive is 5g/L polyethylene glycol and 2g/L 18
Alkyl trimethyl ammonium bromide（OTAB）；
（3）Composite granule electrodeposition process：With metallic copper as anode, Titanium is negative electrode, is electrolyte temperature is controlled
70 DEG C, cathode-current density be 200mA/cm2Under the conditions of, in step（2）Electro-deposition 100min, Ji Neng in the electrolyte of configuration
Negative electrode obtains the copper-based composite granule of CNT that particle mean size is 25.0 μm.
Embodiment 4
The electro-deposition preparation method of the carbon nano tube-copper based composite powder, it is comprised the following steps that：
（1）Carbon nano tube surface functionalization and dispersion：By 40g CNTs and according to CNT and dispersant mass ratio
For 18:1 add dispersant, carry out in oxidizing atmosphere surface mechanical activation with dispersion, wherein surface mechanical activation be separated into
Mechanical milling process, ball-milling medium steel ball 800g, Ball-milling Time is 150min, and dispersant is lauryl sodium sulfate, and oxidizing atmosphere is
Mass ratio is 20:The mixed gas of 1 oxygen and air；
（2）Configuration composite electrodeposition liquid：First by copper sulphate, sulfuric acid, Jing steps（1）CNT, addition after process
Agent and water are configured to electrolyte after being well mixed, concentration of copper sulfate is 200g/L wherein in electrolyte, and sulfuric acid concentration is 300g/L,
Carbon nanotube concentration is 1.0g/L, and additive concentration is 10g/L, and remaining as water, additive is 7g/L gelatin and 3g/L octadecanes
Base trimethylammonium bromide（OTAB）；
（3）Composite granule electrodeposition process：With metallic copper as anode, Titanium is negative electrode, is electrolyte temperature is controlled
120 DEG C, cathode-current density be 300mA/cm2Under the conditions of, in step（2）Electro-deposition 200min in the electrolyte of configuration, can
The copper-based composite granule of CNT that particle mean size is 15.0 μm is obtained in negative electrode.
Embodiment 5
The electro-deposition preparation method of the carbon nano tube-copper based composite powder, it is comprised the following steps that：
（1）Carbon nano tube surface functionalization and dispersion：By 40g CNTs and according to CNT and dispersant mass ratio
For 17:1 add dispersant, carry out in oxidizing atmosphere surface mechanical activation with dispersion, wherein surface mechanical activation be separated into
Mechanical milling process, ball-milling medium steel ball 800g, Ball-milling Time is 90min, and dispersant is neopelex, and oxidizing atmosphere is
Mass ratio is 15:The mixed gas of 1 oxygen and air；
（2）Configuration composite electrodeposition liquid：First by copper sulphate, sulfuric acid, Jing steps（1）CNT, addition after process
Agent and water are configured to electrolyte after being well mixed, concentration of copper sulfate is 118g/L wherein in electrolyte, and sulfuric acid concentration is 245g/L,
Carbon nanotube concentration is 0.8g/L, and additive concentration is 0.5g/L, and remaining as water, additive is gelatin；
（3）Composite granule electrodeposition process：With metallic copper as anode, Titanium is negative electrode, is electrolyte temperature is controlled
85 DEG C, cathode-current density be 80mA/cm2Under the conditions of, in step（2）Electro-deposition 116min, Ji Neng in the electrolyte of configuration
Negative electrode obtains the copper-based composite granule of CNT.
Above in conjunction with accompanying drawing to the present invention specific embodiment be explained in detail, but the present invention be not limited to it is above-mentioned
Embodiment, in the ken that those of ordinary skill in the art possess, can be with before without departing from present inventive concept
Put that various changes can be made.
Claims (4)
1. a kind of electro-deposition preparation method of carbon nano tube-copper based composite powder, it is characterised in that comprise the following steps that：
（1）Carbon nano tube surface functionalization and dispersion：By CNT and according to CNT and dispersant mass ratio be 13 ~
20:1 adds dispersant, and surface mechanical activation is carried out in oxidizing atmosphere with dispersion；
（2）Configuration composite electrodeposition liquid：First by copper sulphate, sulfuric acid, Jing steps（1）CNT, additive after process and
Water is configured to electrolyte after being well mixed, concentration of copper sulfate is 20 ~ 200g/L wherein in electrolyte, and sulfuric acid concentration is 50 ~ 300g/
L, carbon nanotube concentration is 0.1 ~ 1.0g/L, and additive concentration is 0.5 ~ 10g/L, remaining as water；
（3）Composite granule electrodeposition process：With metallic copper as anode, Titanium is negative electrode, control electrolyte temperature for 20 ~
120 DEG C, cathode-current density be 50 ~ 300mA/cm2Under the conditions of, in step（2）Electro-deposition 20 in the electrolyte of configuration ~
200min, can obtain the copper-based composite granule of CNT in negative electrode.
2. the electro-deposition preparation method of carbon nano tube-copper based composite powder according to claim 1, it is characterised in that：Institute
State step（1）In surface mechanical activation be separated into mechanical milling process, Ball-milling Time is 20 ~ 150min.
3. the electro-deposition preparation method of carbon nano tube-copper based composite powder according to claim 1, it is characterised in that：Institute
State step（1）In dispersant and step（2）In additive be polyvinylpyrrolidone, lauryl sodium sulfate, dodecane
In base benzene sulfonic acid sodium salt, Cetyltrimethylammonium bromide, CTAB, gelatin, polyvinyl alcohol, polyethylene glycol
One or more arbitrary proportion mixtures.
4. the electro-deposition preparation method of carbon nano tube-copper based composite powder according to claim 1, it is characterised in that：Institute
State step（1）In oxidizing atmosphere be mass ratio be 5 ~ 20:The mixed gas of 1 oxygen and air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410450868.1A CN104233379B (en) | 2014-09-05 | 2014-09-05 | Electro-deposition preparation method of carbon nano tube-copper base composite powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410450868.1A CN104233379B (en) | 2014-09-05 | 2014-09-05 | Electro-deposition preparation method of carbon nano tube-copper base composite powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104233379A CN104233379A (en) | 2014-12-24 |
| CN104233379B true CN104233379B (en) | 2017-05-10 |
Family
ID=52222251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410450868.1A Active CN104233379B (en) | 2014-09-05 | 2014-09-05 | Electro-deposition preparation method of carbon nano tube-copper base composite powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104233379B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470524A (en) * | 2015-03-11 | 2016-04-06 | 万向A一二三***有限公司 | Carbon nanotube coating aluminum foil for power battery and preparation method of carbon nanotube coating aluminum foil |
| RU2613553C2 (en) * | 2015-09-09 | 2017-03-17 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Тольяттинский государственный университет" | Method of making copper coatings with developed surface |
| CN107326401B (en) * | 2017-05-22 | 2019-07-16 | 昆明理工大学 | A kind of preparation method of CNTs/Cu composite granule and CNTs/Cu composite material |
| CN107338456A (en) * | 2017-07-11 | 2017-11-10 | 云南省核工业二0九地质大队 | A kind of method that ultrasonic wave added electro-deposition prepares lead/carbon nano-tube composite powder |
| CN107586981B (en) * | 2017-08-16 | 2019-07-05 | 昆明理工大学 | A kind of preparation method of carbon nanotube reinforced copper-base composite material |
| CN110327925A (en) * | 2019-07-29 | 2019-10-15 | 西安建筑科技大学 | Coal Quito pore catalyst and its preparation method and application of carbon monoxide in a kind of removing sintering flue gas |
| CN110548509B (en) * | 2019-08-02 | 2022-08-30 | 深圳大学 | Copper-based carbon dioxide electrocatalytic material and preparation method thereof |
| CN110665510B (en) * | 2019-09-19 | 2022-04-29 | 西安工程大学 | Preparation method of copper-cobalt-based catalyst for preparing low-carbon alcohol from synthesis gas |
| CN113293417A (en) * | 2021-06-03 | 2021-08-24 | 常州大学 | Preparation method of bright high-conductivity graphene/copper composite material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140668A (en) * | 2011-03-10 | 2011-08-03 | 上海交通大学 | Optimization method for carbon nanotube and metal copper composite electroplating process |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1832084B (en) * | 2006-04-13 | 2010-05-12 | 上海交通大学 | Method for preparing cathode of field emission display device based on metal/nano-pipe compound plated |
-
2014
- 2014-09-05 CN CN201410450868.1A patent/CN104233379B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140668A (en) * | 2011-03-10 | 2011-08-03 | 上海交通大学 | Optimization method for carbon nanotube and metal copper composite electroplating process |
Non-Patent Citations (2)
| Title |
|---|
| Y.L. Yang等.Single-walled carbon nanotube-reinforced copper composite coatings prepared by electrodeposition under ultrasonic field.《Materials Letters》.2007,第62卷第47页倒数第1段，第48页左栏第1段. * |
| 超声振荡辅助制备铜基碳纳米管复合电镀层工艺;王裕超;《复合材料学报》;20061030;第23卷(第5期);第29-33页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104233379A (en) | 2014-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104233379B (en) | Electro-deposition preparation method of carbon nano tube-copper base composite powder | |
| CN104700961B (en) | A kind of graphene/silver composite material and preparation method thereof | |
| EP2368843B1 (en) | Method for producing composite lithium iron phosphate material | |
| CN107326401B (en) | A kind of preparation method of CNTs/Cu composite granule and CNTs/Cu composite material | |
| CN108455562B (en) | Thin-wall local graphitized porous carbon sphere material, preparation method thereof and application thereof in lithium-sulfur battery | |
| CN105063403A (en) | Preparation method of copper matrix graphene alloy | |
| CN108598412B (en) | Silicon alloy composite negative electrode material based on metal organic matter and preparation method thereof | |
| CN108330312A (en) | A kind of preparation method of the graphene reinforced metal-matrix composite of metallic cover | |
| CN106756165B (en) | A kind of preparation method of high structural integrity high dispersive graphene/metallic composite | |
| CN105040071B (en) | Surface treatment method of Mg alloy | |
| CN106283139B (en) | Nickel-tungsten-graphene composite plating solution, plating layer and preparation method thereof | |
| CN107502945A (en) | A kind of graphene aluminium alloy conductor and preparation method | |
| CN103924266A (en) | Method for preparing rare earth-gadolinium alloy by adopting co-deposition method | |
| CN108754545B (en) | Preparation method of heteropoly acid modified carbon nanotube and/or graphene reinforced lead-based composite anode | |
| CN107245729B (en) | Manganese electrodeposition carbon fiber-based graded composite anode material and preparation method thereof | |
| CN114293051B (en) | Preparation method of high-temperature softening resistant high-strength high-conductivity copper-based composite material formed part | |
| CN108356287B (en) | A method of catalysis gel prepares tungsten dispersed and strengthened copper-based composite material | |
| CN105951132A (en) | Electrochemical deposition preparation method for submicron-scale double-peak ultra-fine grain nickel material | |
| CN107326402A (en) | The preparation method of Nitinol | |
| CN109797311A (en) | A kind of preparation method of Zinc electrolysis anode | |
| CN107236972B (en) | A method of graphene/copper composite powder is prepared using electrodeposition process | |
| CN113293411B (en) | Gradient composite lead dioxide anode plate and preparation method and application thereof | |
| CN113707890B (en) | Au/Cu 2 O composite material, super-assembly preparation method and application | |
| CN105112703A (en) | Graphene/ aluminum alloy composite | |
| CN114703459A (en) | Super-efficient oxygen evolution high-entropy alloy nanoparticle electrocatalyst without precious metal and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |