CN109926054A - A kind of preparation method of high dispersive NiCo alloy-graphene nano composite catalyst - Google Patents
A kind of preparation method of high dispersive NiCo alloy-graphene nano composite catalyst Download PDFInfo
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- CN109926054A CN109926054A CN201910278244.9A CN201910278244A CN109926054A CN 109926054 A CN109926054 A CN 109926054A CN 201910278244 A CN201910278244 A CN 201910278244A CN 109926054 A CN109926054 A CN 109926054A
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Abstract
The invention belongs to electrochemical fields, are related to a kind of preparation method of high dispersive NiCo alloy-graphene nano composite catalyst, comprising the following steps: produce functionalized nano graphene；Deionized water is dispersed by graphene oxide, is added with stirring above-mentioned functionalized nano graphene, pH is adjusted and to neutrality and nickel, cobalt source compound solution is added dropwise, collects precipitating, deionized water washing, dry nickel cobalt-graphene oxide compound；Calcination obtains NiCo alloy-graphene nano composite catalyst in atmosphere.This invention simplifies synthesis program, the NiCo alloy nano particle for foring small size is dispersed on graphene sheet layer, avoids nanoparticle accumulation, NiCo alloying pellet is made to have biggish specific surface area；It is at low cost to can achieve batch production.
Description
Technical field
The invention belongs to electrochemical fields, are related to a kind of system of high dispersive NiCo alloy-graphene nano composite catalyst
Preparation Method.
Background technique
NiCo alloy has been widely used in supercapacitor, lithium ion battery, fuel as a kind of active material
Battery electrochemical sensor and electro-catalysis field.In order to further increase catalytic activity, people develop many technologies and are used for
The improvement of NiCo alloy catalyst.A kind of method is by constructing the NiCo alloy nano-material of various different-shapes to improve it
Specific surface area, such as the NiCo alloy of hollow structure, this hollow structure help to improve the conduction effect of electronics in the electrolytic solution
Rate, but hollow structure is unstable, generally requires using carbon material as support shuttering, to prevent structure collapses during the reaction
(Ling Yang, Zhang Min, Zheng Jing, Xu Jingli, Hayat Tasawar, Alharbi Njud.
Formation of uniform magnetic C@CoNi alloy hollow hybrid composites with
excellent performance for catalysis and protein adsorption. Dalton
Transactions, 2018,47 (23): 7839).Another method is the NiCo alloy nano material by synthesizing super-small
Material strip carrys out specific surface area increase, if complex process, high production cost needed for expecting the small nanoparticle of partial size, it is difficult to realize
Large-scale production.On the other hand, in thermodynamics minimization principle, nm-class catalyst, which is prone to serious aggregation, leads to mass transfer
Reduction (Natalia J. S. Costa, the Liane M. Rossi. Synthesis of supported metal of efficiency
nanoparticle catalysts using ligand assisted methods. Nanoscale, 2012, 4(19):
5826-5834).In recent years, people use by NiCo alloy with conductive material or other nano materials are compound prepares compound urge
Agent.Compound with conductive material mainly improves the problem of bimetallic alloy catalyst still faces poorly conductive, and with
Other nanocomposites carry out the compound application field that can further widen NiCo alloy.Recently, Fu et al., it was recently reported that will
The modification of NiCo alloy shows excellent electro-catalysis on the carbon nano-fiber that N is adulterated, and in hydrogen reduction and oxygen evolution reaction process
Activity.The results show that its electro-catalysis efficiency and stability are superior to business Pt/C and RuO2Catalyst (Fu Yue, Yu
HaiYang, Jiang Cong, Zhang Tianheng, Zhan Run, Li Xiaowei, Li Jianfeng, Tian
Jinghua. NiCo Alloy Nanoparticles Decorated on N-Doped Carbon Nanofibers as
Highly Active and Durable Oxygen Electrocatalyst. Advanced Functional
Materials, 2017,28 (9)).For at present, material can reduce by synergistic effect between NiCo alloy and conductive material
Expect that inherent electronics transfer resistance brings excellent electro catalytic activity simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of high dispersive NiCo alloy-graphene nano composite catalyst,
The preparation of its method is novel, simple to operation, at low cost to can achieve batch production.
Technical solution according to the invention, the preparation side of the high dispersive NiCo alloy-graphene nano composite catalyst
Method, comprising the following steps:
(1) citric acid and histidine are placed in a beaker by 1:1 in molar ratio, obtain functionalized nano stone after reacting at 200 DEG C
Black alkene；
(2) deionized water is dispersed by graphene oxide and obtain aqueous solution, be added with stirring functionalization obtained in step (1) and receive
Rice graphene adjusts pH and to neutrality and nickel, cobalt source compound solution is added dropwise, and collects precipitating, and deionized water is washed, dry
Nickel cobalt-graphene oxide compound；
(3) nickel cobalt-graphene oxide compound that step (2) obtains is calcined in atmosphere and obtains NiCo alloy-graphite
Alkene nano-composite catalyst；
(4) NiCo alloy-graphene nano composite catalyst, acetylene black and the polytetrafluoroethyldispersion dispersion for obtaining step (3)
7:2:1 is dispersed in ethanol solution in mass ratio, is coated uniformly on foam nickel surface after pulp is stirred by ultrasonic, after natural air drying
Its chemical property is tested on electrochemical workstation.
Further, the graphene oxide in the step (2) is chip size at 3-500 nm and nano-graphene edge
Any one in nano-graphene containing the functional group that can form coordinate bond with nickel ion, cobalt ions.
Further, the nickel in the step (2), cobalt source compound are at least one in the inorganic salts containing divalent nickel cobalt
Kind.
Further, nickel in the step (2), cobalt source compound solution the amount of metal ion be multiple obtained by step (2)
Close the 1%-100% of object maximum complexing power.
Further, atmosphere is in nitrogen, argon gas or inert gas containing hydrogen less than 5% in the step (3)
One kind.
Further, the temperature being calcined in the step (3) is 600-1000 DEG C, and the calcination time is 1-10 hour.
The beneficial effects of the present invention are: method preparation is novel, simple to operation, at low cost to can achieve batch production；
The NiCo alloy nano particle that special synthesis technology forms small size is dispersed on graphene sheet layer, avoids nanometer
Build-up of particles makes NiCo alloying pellet have biggish specific surface area；The introducing of graphene film not only increases active site, mentions
High catalytic activity, and be compounded to form with the close contact of NiCo alloy and have the function of being sustained stress in catalysis reaction,
It ensure that the efficient and long-time stability of catalytic process；By controlling the concentration of metal ion, and then regulate and control metal nanoparticle
Size distribution, to meet different field demand；It carries out processing under atmosphere of inert gases not needing to add other reducing agents, letter
Synthesis program is changed.
Detailed description of the invention
Fig. 1 is the scanning electron microscope (SEM) photograph of one products therefrom of embodiment.
Fig. 2 is the transmission scanning electron microscope figure of one products therefrom of embodiment.
Specific embodiment
The invention will be further described with attached drawing combined with specific embodiments below.
Test method without specific conditions in following embodiment, usually according to normal condition, or according to manufacture
Manufacturer is by the condition of suggestion.Heretofore described " room temperature ", " normal pressure " refer to temperature and air pressure between regular job, generally
25 DEG C, a standard atmospheric pressure.
Embodiment one
A kind of preparation method of high dispersive NiCo alloy-graphene nano composite catalyst, comprising the following steps:
(1) citric acid and histidine are placed in a beaker by 1:1 in molar ratio, obtain histidine functionalization after reacting at 200 DEG C
Nano-graphene；
(2) deionized water is dispersed by graphene oxide and obtain aqueous solution, be added with stirring histidine function obtained in step (1)
Nano-graphene can be changed, ultrasonic disperse is uniform, adjust pH to neutrality and be added dropwise nickel chloride, chlorination cobalt compound to not followed by
Continuous to generate precipitating, wherein the molar ratio of nickel chloride and cobalt chloride is 1:1, collects precipitating, deionized water washing, and centrifugal drying obtains nickel
Cobalt-graphene oxide compound；
(3) by nickel cobalt-graphene oxide compound that step (2) obtains, 600 DEG C of 2 hours of calcination obtain NiCo and close in nitrogen
Gold-graphene nano composite catalyst, scanning electron microscope (SEM) photograph and transmission scanning electron microscope figure are as shown in the figure, it is seen that NiCo alloy nano
Uniform particle is dispersed on graphene sheet layer；
(4) NiCo alloy-graphene nano composite catalyst, acetylene black and the polytetrafluoroethyldispersion dispersion for obtaining step (3)
7:2:1 is dispersed in ethanol solution in mass ratio, is coated uniformly on foam nickel surface after pulp is stirred by ultrasonic, after natural air drying
In carrying out charge-discharge performance test on electrochemical workstation, in 1A g-1Current density under capacitor be 1179F g-1。
Embodiment two
A kind of preparation method of high dispersive NiCo alloy-graphene nano composite catalyst, comprising the following steps:
(1) citric acid and histidine are placed in a beaker by 1:1 in molar ratio, obtain functionalized nano stone after reacting at 200 DEG C
Black alkene；
(2) deionized water is dispersed by graphene oxide and obtain aqueous solution, be added with stirring histidine function obtained in step (1)
Nano-graphene can be changed, ultrasonic disperse is uniform, adjust pH to neutrality and be added dropwise nickel chloride, chlorination cobalt compound to not followed by
Continuous to generate precipitating, wherein the molar ratio of nickel chloride and cobalt chloride is 1:10, collects precipitating, deionized water washing, and centrifugal drying obtains
Nickel cobalt-graphene oxide compound；
(3) by nickel cobalt-graphene oxide compound that step (2) obtains, 600 DEG C of 10 hours of calcination obtain NiCo in argon gas
Alloy-graphene nano composite catalyst.
Embodiment three
A kind of preparation method of high dispersive NiCo alloy-graphene nano composite catalyst, comprising the following steps:
(1) citric acid and histidine are placed in a beaker by 1:1 in molar ratio, obtain functionalized nano stone after reacting at 200 DEG C
Black alkene；
(2) deionized water is dispersed by graphene oxide and obtain aqueous solution, be added with stirring histidine function obtained in step (1)
Nano-graphene can be changed, ultrasonic disperse is uniform, adjust pH to neutrality and be added dropwise nickel chloride, chlorination cobalt compound to not followed by
Continuous to generate precipitating, wherein the molar ratio of nickel chloride and cobalt chloride is 10:1, collects precipitating, deionized water washing, and centrifugal drying obtains
Nickel cobalt-graphene oxide compound；
(3) nickel cobalt for obtaining step (2)-graphene oxide compound 800 DEG C of calcination 6 in containing neon of the hydrogen less than 5%
A hour obtains NiCo alloy-graphene nano composite catalyst.
Example IV
A kind of preparation method of high dispersive NiCo alloy-graphene nano composite catalyst, comprising the following steps:
(1) citric acid and histidine are placed in a beaker by 1:1 in molar ratio, obtain functionalized nano stone after reacting at 200 DEG C
Black alkene；
(2) deionized water is dispersed by graphene oxide and obtain aqueous solution, be added with stirring histidine function obtained in step (1)
Nano-graphene can be changed, ultrasonic disperse is uniform, adjust pH to neutrality and be added dropwise nickel nitrate, nitric acid cobalt compound to not followed by
It is continuous to generate precipitating, wherein nickel nitrate, cobalt nitrate molar ratio be 3:5, collect precipitating, deionized water washing, centrifugal drying obtains nickel
Cobalt-graphene oxide compound；
(3) by nickel cobalt-graphene oxide compound that step (2) obtains, 1000 DEG C of 7 hours of calcination obtain NiCo in argon gas
Alloy-graphene nano composite catalyst.
Embodiment five
A kind of preparation method of high dispersive NiCo alloy-graphene nano composite catalyst, comprising the following steps:
(1) citric acid and histidine are placed in a beaker by 1:1 in molar ratio, obtain functionalized nano stone after reacting at 200 DEG C
Black alkene；
(2) deionized water is dispersed by graphene oxide and obtain aqueous solution, be added with stirring histidine function obtained in step (1)
Nano-graphene can be changed, ultrasonic disperse is uniform, adjusts pH and to neutrality and nickel chloride, nickel nitrate, cobalt chloride and nitric acid is added dropwise
Cobalt compound is not to continuing to generate precipitating, wherein nickel chloride, cobalt ions in nickel ion and cobalt chloride, cobalt nitrate in nickel nitrate
Molar ratio is 5:2, collects precipitating, deionized water washing, it is multiple that centrifugal drying obtains nickel cobalt-graphene oxide
Close object；
(3) by nickel cobalt-graphene oxide compound that step (2) obtains, 800 DEG C of 3 hours of calcination obtain NiCo and close in nitrogen
Gold-graphene nano composite catalyst.
Graphene oxide in above-described embodiment step (2) is chip size in 3-500 nm and nano-graphene edge contains
Any one in the nano-graphene for the functional group that coordinate bond can be formed with nickel ion, cobalt ions；Nickel, cobalt source compound solution
Metal ion amount be the step obtained by compound maximum complexing power 1%-100%；Nickel, cobalt source compound can also be
One of copper, silver, cadmium or zinc source compound are a variety of, and products therefrom is that corresponding metal or metal alloy-graphene nano is multiple
Close catalyst.
The present invention provides a kind of novel synthetic technology, synthesize the NiCo alloy nano particle of super-small securely and
It is evenly dispersed on graphene film.The polymolecularity of the nanoparticle of high-specific surface area avoids the accumulation of small size and has
Conducive to the release of the stress in catalytic process, the structural stability of material in catalytic process ensure that.Furthermore on graphene layer
The nanoparticle adhered in situ increases the active site of catalysis, greatly improves the catalytic performance of material, final to realize height
The purpose of effect and stable structure.
Claims (6)
1. a kind of preparation method of high dispersive NiCo alloy-graphene nano composite catalyst, which is characterized in that including following step
It is rapid:
(1) citric acid and histidine are placed in a beaker by 1:1 in molar ratio, obtain functionalized nano stone after reacting at 200 DEG C
Black alkene；
(2) deionized water is dispersed by graphene oxide and obtain aqueous solution, be added with stirring functionalization obtained in step (1) and receive
Rice graphene adjusts pH and to neutrality and nickel, cobalt source compound solution is added dropwise, and collects precipitating, and deionized water is washed, dry
Nickel cobalt-graphene oxide compound；
(3) nickel cobalt-graphene oxide compound that step (2) obtains is calcined in atmosphere and obtains NiCo alloy-graphite
Alkene nano-composite catalyst；
(4) NiCo alloy-graphene nano composite catalyst, acetylene black and the polytetrafluoroethyldispersion dispersion for obtaining step (3)
7:2:1 is dispersed in ethanol solution in mass ratio, is coated uniformly on foam nickel surface after pulp is stirred by ultrasonic, after natural air drying
Its chemical property is tested on electrochemical workstation.
2. the preparation method of high dispersive NiCo alloy-graphene nano composite catalyst as described in claim 1, feature exist
In, graphene oxide in the step (2) be chip size in 3-500 nm and nano-graphene edge contain can with nickel ion,
Cobalt ions forms any one in the nano-graphene of the functional group of coordinate bond.
3. the preparation method of high dispersive NiCo alloy-graphene nano composite catalyst as described in claim 1, feature exist
In nickel, cobalt source compound in the step (2) are at least one of inorganic salts containing divalent nickel cobalt.
4. the preparation method of high dispersive NiCo alloy-graphene nano composite catalyst as described in claim 1, feature exist
In the amount of, nickel in the step (2), the metal ion of cobalt source compound solution be that energy is complexed in compound maximum obtained by step (2)
The 1%-100% of power, nickel, cobalt source compound molar ratio be 0:10-10:0.
5. the preparation method of high dispersive NiCo alloy-graphene nano composite catalyst as described in claim 1, feature exist
In atmosphere is one of nitrogen, argon gas or inert gas containing hydrogen less than 5% in the step (3).
6. the preparation method of high dispersive NiCo alloy-graphene nano composite catalyst as described in claim 1, feature exist
In the temperature being calcined in the step (3) is 600-1000 DEG C, and the calcination time is 1-10 hour.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265230A (en) * | 2019-07-04 | 2019-09-20 | 江苏省特种设备安全监督检验研究院 | A kind of nickel cobalt-functionalization graphene quantum dot@redox graphene composite material and the preparation method and application thereof |
| CN111013603A (en) * | 2019-11-11 | 2020-04-17 | 中国科学院金属研究所 | Supported PdCu bimetallic catalyst for acetylene selective hydrogenation reaction and preparation method thereof |
| CN111696790A (en) * | 2020-06-23 | 2020-09-22 | 江苏省特种设备安全监督检验研究院 | Preparation method of high-dispersion graphene-ruthenium oxide nanocomposite |
| CN113174607A (en) * | 2021-04-29 | 2021-07-27 | 韩山师范学院 | Electrochemical preparation method of porous Ni-Co/graphene electrode |
| CN113991130A (en) * | 2021-10-27 | 2022-01-28 | 西安热工研究院有限公司 | Polyacrylonitrile fiber loaded cobalt-nickel alloy composite oxygen reduction catalytic material and preparation method thereof |
| CN114733525A (en) * | 2022-03-07 | 2022-07-12 | 国网综合能源服务集团有限公司 | Nickel-cobalt alloy catalyst with bimetal synergistic effect and application of nickel-cobalt alloy catalyst in catalyzing water gas shift reaction |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145305A (en) * | 2011-04-08 | 2011-08-10 | 南京航空航天大学 | Method for preparing graphene-loaded nano alloy catalyst |
| CN105742586A (en) * | 2016-02-05 | 2016-07-06 | 江南大学 | Preparation method of graphene quantum dot/nanometer silicon negative electrode material for lithium-ion battery |
| CN105819433A (en) * | 2016-03-28 | 2016-08-03 | 国家纳米科学中心 | Chiral graphene quantum dot and preparation method and application |
| CN107694570A (en) * | 2017-09-30 | 2018-02-16 | 江南大学 | A kind of preparation method of efficiently cobaltosic oxide graphene nano composite catalyst |
-
2019
- 2019-04-09 CN CN201910278244.9A patent/CN109926054B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145305A (en) * | 2011-04-08 | 2011-08-10 | 南京航空航天大学 | Method for preparing graphene-loaded nano alloy catalyst |
| CN105742586A (en) * | 2016-02-05 | 2016-07-06 | 江南大学 | Preparation method of graphene quantum dot/nanometer silicon negative electrode material for lithium-ion battery |
| CN105819433A (en) * | 2016-03-28 | 2016-08-03 | 国家纳米科学中心 | Chiral graphene quantum dot and preparation method and application |
| CN107694570A (en) * | 2017-09-30 | 2018-02-16 | 江南大学 | A kind of preparation method of efficiently cobaltosic oxide graphene nano composite catalyst |
Non-Patent Citations (1)
| Title |
|---|
| WEI CHEN, ET AL: "Promising copper oxide-histidine functionalized graphene quantum", 《JOURNAL OF ALLOYS AND COMPOUNDS》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265230A (en) * | 2019-07-04 | 2019-09-20 | 江苏省特种设备安全监督检验研究院 | A kind of nickel cobalt-functionalization graphene quantum dot@redox graphene composite material and the preparation method and application thereof |
| CN111013603A (en) * | 2019-11-11 | 2020-04-17 | 中国科学院金属研究所 | Supported PdCu bimetallic catalyst for acetylene selective hydrogenation reaction and preparation method thereof |
| CN111013603B (en) * | 2019-11-11 | 2021-09-17 | 中国科学院金属研究所 | Supported PdCu bimetallic catalyst for acetylene selective hydrogenation reaction and preparation method thereof |
| CN111696790A (en) * | 2020-06-23 | 2020-09-22 | 江苏省特种设备安全监督检验研究院 | Preparation method of high-dispersion graphene-ruthenium oxide nanocomposite |
| CN113174607A (en) * | 2021-04-29 | 2021-07-27 | 韩山师范学院 | Electrochemical preparation method of porous Ni-Co/graphene electrode |
| CN113174607B (en) * | 2021-04-29 | 2022-08-30 | 韩山师范学院 | Electrochemical preparation method of porous Ni-Co/graphene electrode |
| CN113991130A (en) * | 2021-10-27 | 2022-01-28 | 西安热工研究院有限公司 | Polyacrylonitrile fiber loaded cobalt-nickel alloy composite oxygen reduction catalytic material and preparation method thereof |
| CN113991130B (en) * | 2021-10-27 | 2024-01-19 | 西安热工研究院有限公司 | Polyacrylonitrile fiber supported cobalt-nickel alloy composite oxygen reduction catalytic material and preparation method thereof |
| CN114733525A (en) * | 2022-03-07 | 2022-07-12 | 国网综合能源服务集团有限公司 | Nickel-cobalt alloy catalyst with bimetal synergistic effect and application of nickel-cobalt alloy catalyst in catalyzing water gas shift reaction |
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