CN109569446A - A kind of nickel-molybdenum alloy aeroge and preparation method thereof - Google Patents
A kind of nickel-molybdenum alloy aeroge and preparation method thereof Download PDFInfo
- Publication number
- CN109569446A CN109569446A CN201811416536.6A CN201811416536A CN109569446A CN 109569446 A CN109569446 A CN 109569446A CN 201811416536 A CN201811416536 A CN 201811416536A CN 109569446 A CN109569446 A CN 109569446A
- Authority
- CN
- China
- Prior art keywords
- nickel
- molybdenum
- aeroge
- preparation
- molybdenum alloy
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0091—Preparation of aerogels, e.g. xerogels
Abstract
The invention discloses a kind of nickel-molybdenum alloy aeroges and preparation method thereof.The preparation method of the aeroge includes: 1) using the inorganic salts of nickel as nickel source；2) using molybdenum pentachloride as molybdenum source；3) using dehydrated alcohol as solvent；4) using polyacrylic acid as additive；5) using propylene oxide as gel promotor；6) prereduction that sodium borohydride-ethanol solution realizes nickel-molybdenum is added in nickel-molybdenum gel；7) nickel-molybdenum alloy aeroge is obtained by the gel after Supercritical Ethanol drying and prereducing.The aeroge ingredient of this method preparation is crystalline state nickel-molybdenum alloy, wherein nickel: arbitrary proportion of the molar ratio of molybdenum between 10:1~1:10；Aeroge is accumulated by nickel-molybdenum alloy nano particle, and particle size is between 5~100nm；The specific surface area of aeroge is in 10~120m2Between/g, density is in 0.02g/cm3To 0.5g/cm3Between.The characteristics of preparation method of the invention is easy to get with raw material, simple process, prepared nickel-molybdenum alloy aeroge can be used for all kinds of gas phase catalytic reactions.
Description
Technical field
The invention belongs to aerogel material preparation technical fields, and in particular to a kind of nickel-molybdenum alloy aeroge and its preparation
Method.
Background technique
Aeroge is a kind of solid material of nanoporous reticular structure, due to its intrinsic bigger serface, flourishing
The features such as gap structure, these features make the activity and selectivity of aerogel catalyst much higher than conventional catalyst；It goes back simultaneously
With excellent thermal stability, side reaction can be effectively reduced.In numerous studies, scientists discovery uses airsetting
Glue can not only reduce the use of raw material as catalyst, but also its activity, selectivity and service life are all significantly mentioned
Height has very good catalysis characteristics.
Aeroge can be used as excellent catalyst carrier in all kinds of catalysis reaction, especially can be used as various transition
Metallic catalyst, such as iron, cobalt, nickel, the carrier of the nano particles such as molybdenum.If by this concept of aeroge and transition metal alloy phase
In conjunction with directly obtaining transition metal alloy aerogel material, on the one hand can increase the specific surface area of catalyst, on the other hand may be used
With the more efficient catalytic activity using transition metal, the efficiency of catalyst is improved.In current research, the oxygen that mainly uses
Compound aeroge carrier includes the oxide silica aerogel system that silica, aluminium oxide, titanium oxide etc. are relatively easily-synthesized.Meanwhile it making
In standby technique, it is typically employed in dipping noble metal precursor body in the aeroge skeleton structure prepared, then pass through high temperature
The techniques such as heat treatment and reduction, obtain nano transition metal/oxide composite aerogel.
So far, rarer about the research of metal aerogel, the technique for preparing aeroge at present concentrates on aoxidizing
The systems such as object and carbon material, used presoma are essentially metal organic salt, and coagulant used is epoxide.Together
When, the preparation that metal alloy aeroge is directly realized by sol-gel technology also there is no report.
Summary of the invention
The purpose of the present invention is to provide a kind of nickel-molybdenum alloy aeroges and preparation method thereof.The present invention is proposed with nickel
Inorganic salts, molybdenum pentachloride are raw material, using propylene oxide as coagulant, using sodium borohydride prereduction wet gel, in conjunction with ethyl alcohol
Supercritical drying prepares nickel-molybdenum alloy aeroge.Aeroge obtained has high specific surface area and high porosity, can
For fields such as electro-catalysis, electrochemical energy storage, photocatalysis.
A kind of preparation method of nickel-molybdenum alloy aeroge, it includes following steps:
1) using the inorganic salts of nickel and molybdenum pentachloride as presoma, dehydrated alcohol is solvent, and configuration nickel-molybdenum/dehydrated alcohol is molten
Liquid is as precursor solution；Wherein the inorganic salt concentration of nickel is 0.01M~1M, and the concentration of molybdenum pentachloride is 0.01M~1M；
2) during configuring colloidal sol, 1~20% mass fraction is added to above-mentioned nickel-molybdenum/ethanol solution first
Polyacrylic acid, stir evenly；Then proceed to addition propylene oxide, the volume ratio of propylene oxide and precursor solution 1:2~
Between 1:5, and it is uniformly mixing to obtain colloidal sol；
3) above-mentioned colloidal sol is put into closed mold, carries out sol-gel transition reaction, obtain wet gel；
4) above-mentioned gel is put into 0.1M sodium borohydride-ethanol solution and carries out pre-reduction treatment, wherein wet gel and boron
Wet gel of sodium hydride-ethanol solution volume ratio between 1:1~1:5, after obtaining prereduction；
5) wet gel after above-mentioned prereduction is put into dehydrated alcohol and carries out aging process, dehydrated alcohol dosage is pre- goes back
1~2 times of wet gel volume after original, the wet gel after obtaining aging；
6) wet gel after above-mentioned aging is put into supercritical drying device, uses dehydrated alcohol for dried medium, into
Row supercritical drying, dry completion, which is taken out, obtains bulk nickel-molybdenum alloy aeroge.
In above steps, following specific reagent can be used and parameter is realized: the inorganic salts of the nickel include the chlorination of nickel
Salt, nitrate or acetate etc., raw material is easy to get.The whole preparation process be placed in 40 DEG C~80 DEG C of environment into
Row.In the pre-reduction treatment, the recovery time is 2~5 days.In the aging process, ageing time is 3-7 days.It carries out
During the supercritical drying, 260~280 DEG C are warming up to the heating rate of 2 DEG C/min, the pressure of supercritical drying
For 6.5~8.5MP, and keep the temperature 60~120 minutes.0.1M sodium borohydride-the ethanol solution passes through sodium borohydride and anhydrous
Ethyl alcohol configures to obtain.
The nickel-alloy aeroge that preparation method described in any of the above-described scheme is prepared, its main feature is that the aeroge at
Divide the nickel-molybdenum alloy particle including crystalline state, wherein nickel: arbitrary proportion of the molar ratio of molybdenum between 10:1~1:10；Aeroge
It is accumulated by nickel-molybdenum alloy nano particle, the size of nickel-molybdenum alloy nano particle is between 5~100nm；The ratio of aeroge
Surface area is in 10~120m2Between/g, density is in 0.02~0.5g/cm3Between.
The standby nickel of the present invention-Nanoalloy aeroge has porosity height, large specific surface area, microscopic structural units controllable
Etc. good characteristic, it can be used for catalyst and catalyst carrier, lithium ion battery electrode material etc..
Detailed description of the invention
Fig. 1 is the scanning electron microscope diagram piece of nickel-molybdenum alloy aeroge prepared in embodiment 1.
Fig. 2 is the elemental map of nickel-molybdenum alloy aeroge prepared in embodiment 1.
Fig. 3 is the XRD diagram of nickel-molybdenum alloy aeroge prepared in embodiment 1.
Specific embodiment
The present invention is further elaborated with reference to the accompanying drawings and examples.
Embodiment 1
1) Nickel dichloride hexahydrate (NiCl is taken2·6H2O), molybdenum pentachloride (MoCl5), polyacrylic acid (PAA), propylene oxide
(PO), dehydrated alcohol is reaction raw materials.
2) nickel salt and molybdenum pentachloride precursor solution are configured: under the conditions of 60 DEG C of waters bath with thermostatic control, by 0.475g nickel chloride,
0.136g molybdenum pentachloride and the mixing of 5ml absolute ethyl alcohol and stirring, are dissolved in the two in dehydrated alcohol, wherein the concentration of nickel chloride is
0.4M, the concentration of molybdenum pentachloride are 0.1M.
3) under the conditions of 60 DEG C of waters bath with thermostatic control, 0.3g polyacrylic acid (PAA) is added in matched precursor solution and is stirred
Uniformly, then 2ml propylene oxide is added and is uniformly mixed, so that polyacrylic acid and propylene oxide is completely dissolved in presoma molten
In liquid, colloidal sol is obtained.
4) configure reduction treatment solution: weighing 0.189g sodium borohydride, then addition 50ml absolute ethyl alcohol and stirring uniformly configures
Obtain 0.1M sodium borohydride-ethanol solution.
5) colloidal sol is put into closed mold and mold is put into 60 DEG C of incubators, gel to be formed will coagulate after 30 minutes
Glue, which immerses, carries out 60 DEG C of heat preservation reduction treatments in 0.1M sodium borohydride-ethanol solution, sodium borohydride-dehydrated alcohol dosage is
2~3 times of gel volume, changed a reducing solution every 12 hours, and coreduction 4 days.
6) reduction gained gel is immersed and carries out 60 DEG C of heat preservation aging processs in ethanol solution, dehydrated alcohol dosage is
1~2 times of gel volume changed a dehydrated alcohol every 12 hours, altogether aging 4 days.
7) gel after aging process is put into the autoclave of supercritical drying device, and dehydrated alcohol is added
340ml.It is heated up with the heating rate of 2 DEG C/min, when the temperature of autoclave reaches 260 DEG C, autoclave pressure reaches
When to 7.5MPa, system reaches supercriticality；Maintain 60min；After drying, the anhydrous second in autoclave is released
Alcohol obtains nickel-molybdenum alloy aeroge.
The nickel-molybdenum Nanoalloy granular aerogel prepared using the technique, scanning electron microscope diagram piece, elemental map point
Not as shown in Fig. 1~2.As can be seen from the figure aeroge is controllable etc. with porosity height, large specific surface area, microscopic structural units
Good characteristic.In addition, from the XRD diagram of aeroge, i.e. as can be seen that products therefrom is crystalline state in Fig. 3.The present embodiment preparation
Aeroge ingredient be Ni4Mo, density 0.10g/cm3, specific surface area 80m2/ g, the size of Nanoalloy particle 20~
Between 50nm.
Embodiment 2
1) Nickelous nitrate hexahydrate (NiNO is taken3·6H2O), molybdenum pentachloride (MoCl5), polyacrylic acid (PAA), propylene oxide
(PO), dehydrated alcohol is reaction raw materials.
2) nickel salt and molybdenum pentachloride precursor solution are configured: under the conditions of 60 DEG C of waters bath with thermostatic control, by 0.582g nickel nitrate,
0.136g molybdenum pentachloride and the mixing of 5ml absolute ethyl alcohol and stirring, are dissolved in the two in dehydrated alcohol, wherein the concentration of nickel nitrate is
0.4M, the concentration of molybdenum pentachloride are 0.1M.
3) under the conditions of 60 DEG C of waters bath with thermostatic control, 0.35g polyacrylic acid (PAA) is added in matched precursor solution and is stirred
Uniformly, then 2.5ml propylene oxide is added and is uniformly mixed, polyacrylic acid and propylene oxide is made to be completely dissolved in presoma
In solution, colloidal sol is obtained.
4) configure reduction treatment solution: weighing 0.189g sodium borohydride, then addition 50ml absolute ethyl alcohol and stirring uniformly configures
Obtain 0.1M sodium borohydride-ethanol solution.
5) colloidal sol is put into closed mold and mold is put into 60 DEG C of incubators, gel to be formed will coagulate after 30 minutes
Glue, which immerses, carries out 60 DEG C of heat preservation reduction treatments in 0.1M sodium borohydride-ethanol solution, sodium borohydride-dehydrated alcohol dosage is
2~3 times of gel volume, changed a reducing solution every 12 hours, and coreduction 4 days.
6) reduction gained gel is immersed and carries out 60 DEG C of heat preservation aging processs in ethanol solution, dehydrated alcohol dosage is
1~2 times of gel volume changed a dehydrated alcohol every 12 hours, altogether aging 4 days.
7) gel after aging process is put into the autoclave of supercritical drying device, and dehydrated alcohol is added
340ml.It is heated up with the heating rate of 2 DEG C/min, when the temperature of autoclave reaches 260 DEG C, autoclave pressure reaches
When to 7.5MPa, system reaches supercriticality；Maintain 60min；After drying, the anhydrous second in autoclave is released
Alcohol obtains nickel-molybdenum alloy aeroge.
Nickel-molybdenum alloy aeroge using technique preparation has characteristic similar to Example 1, ingredient Ni4Mo
Alloy, density 0.08g/cm3, specific surface area 75m2/g。
Embodiment 3
1) four hydration nickel acetate (Ni (CH are taken3COO)2·4H2O), molybdenum pentachloride (MoCl5), polyacrylic acid (PAA), epoxy
Propane (PO), dehydrated alcohol are reaction raw materials.
2) nickel salt and molybdenum pentachloride precursor solution are configured: under the conditions of 60 DEG C of waters bath with thermostatic control, by 0.498g nickel acetate,
0.136g molybdenum pentachloride and the mixing of 5ml absolute ethyl alcohol and stirring, are dissolved in the two in dehydrated alcohol, wherein the concentration of nickel acetate is
0.4M, the concentration of molybdenum pentachloride are 0.1M.
3) under the conditions of 60 DEG C of waters bath with thermostatic control, 0.3g polyacrylic acid (PAA) is added in matched precursor solution and is stirred
Uniformly, then 2ml propylene oxide is added and is uniformly mixed, so that polyacrylic acid and propylene oxide is completely dissolved in presoma molten
In liquid, colloidal sol is obtained.
4) configure reduction treatment solution: weighing 0.189g sodium borohydride, then addition 50ml absolute ethyl alcohol and stirring uniformly configures
Obtain 0.1M sodium borohydride-ethanol solution.
5) colloidal sol is put into closed mold and mold is put into 60 DEG C of incubators, gel to be formed will coagulate after 30 minutes
Glue, which immerses, carries out 60 DEG C of heat preservation reduction treatments in 0.1M sodium borohydride-ethanol solution, sodium borohydride-dehydrated alcohol dosage is
2~3 times of gel volume, changed a reducing solution every 12 hours, and coreduction 4 days.
6) reduction gained gel is immersed and carries out 60 DEG C of heat preservation aging processs in ethanol solution, dehydrated alcohol dosage is
1~2 times of gel volume changed a dehydrated alcohol every 12 hours, altogether aging 4 days.
7) gel after aging process is put into the autoclave of supercritical drying device, and dehydrated alcohol is added
320ml.It is heated up with the heating rate of 2 DEG C/min, when the temperature of autoclave reaches 260 DEG C, autoclave pressure reaches
When to 7.1MPa, system reaches supercriticality；Maintain 60min；After drying, the anhydrous second in autoclave is released
Alcohol obtains nickel-molybdenum alloy aeroge.
Nickel-molybdenum alloy aeroge using technique preparation has characteristic similar to Example 1, ingredient Ni4Mo
Alloy, density 0.12g/cm3, specific surface area 88m2/g。
Embodiment 4
1) Nickel dichloride hexahydrate (NiCl is taken2·6H2O), molybdenum pentachloride (MoCl5), polyacrylic acid (PAA), propylene oxide
(PO), dehydrated alcohol is reaction raw materials.
2) nickel salt and molybdenum pentachloride precursor solution are configured: under the conditions of 60 DEG C of waters bath with thermostatic control, by 0.951g nickel chloride,
0.544g molybdenum pentachloride and the mixing of 5ml absolute ethyl alcohol and stirring, are dissolved in the two in dehydrated alcohol, wherein the concentration of nickel chloride is
0.8M, the concentration of molybdenum pentachloride are 0.4M.
3) under the conditions of 60 DEG C of waters bath with thermostatic control, 0.4g polyacrylic acid (PAA) is added in matched precursor solution and is stirred
Uniformly, then 2.5ml propylene oxide is added and is uniformly mixed, polyacrylic acid and propylene oxide is made to be completely dissolved in presoma
In solution, colloidal sol is obtained.
4) configure reduction treatment solution: weighing 0.189g sodium borohydride, then addition 50ml absolute ethyl alcohol and stirring uniformly configures
Obtain 0.1M sodium borohydride-ethanol solution.
5) colloidal sol is put into closed mold and mold is put into 60 DEG C of incubators, gel to be formed will coagulate after 30 minutes
Glue, which immerses, carries out 60 DEG C of heat preservation reduction treatments in 0.1M sodium borohydride-ethanol solution, sodium borohydride-dehydrated alcohol dosage is
2~3 times of gel volume, changed a reducing solution every 12 hours, and coreduction 5 days.
6) reduction gained gel is immersed and carries out 60 DEG C of heat preservation aging processs in ethanol solution, dehydrated alcohol dosage is
1~2 times of gel volume changed a dehydrated alcohol every 12 hours, altogether aging 5 days.
7) gel after aging process is put into the autoclave of supercritical drying device, and dehydrated alcohol is added
340ml.It is heated up with the heating rate of 2 DEG C/min, when the temperature of autoclave reaches 260 DEG C, autoclave pressure reaches
When to 7.3MPa, system reaches supercriticality；Maintain 120min；After drying, the anhydrous second in autoclave is released
Alcohol obtains nickel-molybdenum alloy aeroge.
Nickel-molybdenum alloy aeroge using technique preparation has characteristic similar to Example 1, ingredient Ni2Mo
Alloy, density 0.41g/cm3, specific surface area 105m2/g。
Embodiment 5
1) Nickel dichloride hexahydrate (NiCl is taken2·6H2O), molybdenum pentachloride (MoCl5), polyacrylic acid (PAA), propylene oxide
(PO), dehydrated alcohol is reaction raw materials.
2) nickel salt and molybdenum pentachloride precursor solution are configured: under the conditions of 60 DEG C of waters bath with thermostatic control, by 0.237g nickel chloride,
0.273g molybdenum pentachloride and the mixing of 5ml absolute ethyl alcohol and stirring, are dissolved in the two in dehydrated alcohol, wherein the concentration of nickel chloride is
0.2M, the concentration of molybdenum pentachloride are 0.2M.
3) under the conditions of 60 DEG C of waters bath with thermostatic control, 0.3g polyacrylic acid (PAA) is added in matched precursor solution and is stirred
Uniformly, then 2ml propylene oxide is added and is uniformly mixed, so that polyacrylic acid and propylene oxide is completely dissolved in presoma molten
In liquid, colloidal sol is obtained.
4) configure reduction treatment solution: weighing 0.189g sodium borohydride, then addition 50ml absolute ethyl alcohol and stirring uniformly configures
Obtain 0.1M sodium borohydride-ethanol solution.
5) colloidal sol is put into closed mold and mold is put into 60 DEG C of incubators, gel to be formed will coagulate after 30 minutes
Glue, which immerses, carries out 60 DEG C of heat preservation reduction treatments in 0.1M sodium borohydride-ethanol solution, sodium borohydride-dehydrated alcohol dosage is
2~3 times of gel volume, changed a reducing solution every 12 hours, and coreduction 3 days.
6) reduction gained gel is immersed and carries out 60 DEG C of heat preservation aging processs in ethanol solution, dehydrated alcohol dosage is
1~2 times of gel volume changed a dehydrated alcohol every 12 hours, altogether aging 4 days.
7) gel after aging process is put into the autoclave of supercritical drying device, and dehydrated alcohol is added
340ml.It is heated up with the heating rate of 2 DEG C/min, when the temperature of autoclave reaches 260 DEG C, autoclave pressure reaches
When to 7.0MPa, system reaches supercriticality；Maintain 60min；After drying, the anhydrous second in autoclave is released
Alcohol obtains nickel-molybdenum alloy aeroge.
There is characteristic similar to Example 1 using the nickel-molybdenum alloy aeroge of technique preparation, ingredient is NiMo conjunction
Gold, density 0.09g/cm3, specific surface area 65m2/g。
Above-mentioned embodiment is only a preferred solution of the present invention, so it is not intended to limiting the invention.Have
The those of ordinary skill for closing technical field can also make various changes without departing from the spirit and scope of the present invention
Change and modification.For example, the various parameters in preparation process can be according to being actually adjusted, the aeroge being prepared is close
The parameters such as degree, specific surface area also can with temperature, pressure and other parameters variation and change, specific surface area it is overall 10~
120m2Between/g, density is in 0.02~0.5g/cm3Between.Therefore all modes for taking equivalent substitution or equivalent transformation are obtained
Technical solution, fall within the scope of protection of the present invention.
Claims (8)
1. a kind of preparation method of nickel-molybdenum alloy aeroge, it is characterised in that comprise the steps of:
1) using the inorganic salts of nickel and molybdenum pentachloride as presoma, dehydrated alcohol is solvent, and configuration nickel-molybdenum/ethanol solution is made
For precursor solution；Wherein the inorganic salt concentration of nickel is 0.01M~1M, and the concentration of molybdenum pentachloride is 0.01M~1M；
2) during configuring colloidal sol, the poly- of 1~20% mass fraction is added to above-mentioned nickel-molybdenum/ethanol solution first
Acrylic acid stirs evenly；Then proceed to addition propylene oxide, the volume ratio of propylene oxide and precursor solution 1:2~1:5 it
Between, and it is uniformly mixing to obtain colloidal sol；
3) above-mentioned colloidal sol is put into closed mold to be placed in incubator, carries out sol-gel transition reaction, obtain wet gel；
4) above-mentioned gel is put into 0.1M sodium borohydride-ethanol solution and carries out pre-reduction treatment, wherein wet gel and hydroboration
Wet gel of sodium-ethanol solution volume ratio between 1:1~1:5, after obtaining prereduction；
5) wet gel after above-mentioned prereduction is put into dehydrated alcohol and carries out aging process, dehydrated alcohol dosage is after prereduction
1~2 times of wet gel volume, the wet gel after obtaining aging；
6) wet gel after above-mentioned aging is put into supercritical drying device, uses dehydrated alcohol for dried medium, is surpassed
Critical drying, dry completion, which is taken out, obtains bulk nickel-molybdenum alloy aeroge.
2. preparation method as described in claim 1, which is characterized in that the inorganic salts of the nickel include the chlorate of nickel, nitric acid
One of salt and acetate are a variety of.
3. preparation method as described in claim 1, which is characterized in that the whole preparation process is placed in 40 DEG C~80 DEG C
Environment in carry out.
4. preparation method as described in claim 1, which is characterized in that in the reduction treatment, the recovery time is 2~5 days.
5. preparation method as described in claim 1, which is characterized in that in the aging process, ageing time is 3~7 days.
6. preparation method as described in claim 1, which is characterized in that during carrying out the supercritical drying, with 2
DEG C/heating rate of min is warming up to 260~280 DEG C, supercritical drying pressure is 6.5~8.5MP, and keeps the temperature 60~120 points
Clock.
7. preparation method as described in claim 1, which is characterized in that the 0.1M sodium borohydride-ethanol solution passes through boron
Sodium hydride and dehydrated alcohol configure to obtain.
8. a kind of nickel-molybdenum alloy aeroge that the preparation method as described in claim 1~7 is any is prepared, which is characterized in that
The ingredient of aeroge includes the nickel-molybdenum alloy of crystalline state, wherein nickel: arbitrary proportion of the molar ratio of molybdenum between 10:1~1:10；
Aeroge is accumulated by nickel-molybdenum alloy nano particle, and nickel-molybdenum alloy nanoparticle size is between 5-100nm；Aeroge
Specific surface area is in 10-120m2Between/g, density is in 0.02g/cm3To 0.5g/cm3Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811416536.6A CN109569446A (en) | 2018-11-26 | 2018-11-26 | A kind of nickel-molybdenum alloy aeroge and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811416536.6A CN109569446A (en) | 2018-11-26 | 2018-11-26 | A kind of nickel-molybdenum alloy aeroge and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109569446A true CN109569446A (en) | 2019-04-05 |
Family
ID=65924496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811416536.6A Pending CN109569446A (en) | 2018-11-26 | 2018-11-26 | A kind of nickel-molybdenum alloy aeroge and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109569446A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110483831A (en) * | 2019-08-19 | 2019-11-22 | 浙江大学 | A kind of MOF aeroge and preparation method thereof |
| CN111939850A (en) * | 2020-04-30 | 2020-11-17 | 吉林大学 | Inorganic gel material and preparation method and application thereof |
| CN112387222A (en) * | 2020-10-28 | 2021-02-23 | 中国工程物理研究院激光聚变研究中心 | Preparation method of Co-Ni bimetallic aerogel |
| WO2021046099A1 (en) * | 2019-09-04 | 2021-03-11 | Virginia Commonwealth University | PURE-PHASE CUBIC Ni1-xMox ALLOY NANOPARTICLES AS LOW-COST AND EARTH ABUNDANT ELECTROCATALYSTS |
| CN113275582A (en) * | 2021-04-01 | 2021-08-20 | 南京工业大学 | Preparation method of metal aerogel electrocatalytic material |
| CN115430839A (en) * | 2022-08-25 | 2022-12-06 | 云南电网有限责任公司电力科学研究院 | Preparation method of nickel-molybdenum intermetallic compound and prepared nickel-molybdenum intermetallic compound |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1909955A (en) * | 2003-12-19 | 2007-02-07 | Scf科技公司 | Systems for preparing fine particles and other substances |
| CN101219360A (en) * | 2008-01-24 | 2008-07-16 | 同济大学 | Process for producing transition metal base silica aerogel, transition metal oxide silica aerogel, composite transition metal oxide silica aerogel |
| CN104174424A (en) * | 2014-08-19 | 2014-12-03 | 中南大学 | Preparation method of nitrogen-doped graphene aerogel supported non-precious metal oxygen reduction catalyst |
| US10099191B1 (en) * | 2017-06-22 | 2018-10-16 | Tripod Technology Corporation | Method of making colloidal metal nanoparticles |
-
2018
- 2018-11-26 CN CN201811416536.6A patent/CN109569446A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1909955A (en) * | 2003-12-19 | 2007-02-07 | Scf科技公司 | Systems for preparing fine particles and other substances |
| CN101219360A (en) * | 2008-01-24 | 2008-07-16 | 同济大学 | Process for producing transition metal base silica aerogel, transition metal oxide silica aerogel, composite transition metal oxide silica aerogel |
| CN104174424A (en) * | 2014-08-19 | 2014-12-03 | 中南大学 | Preparation method of nitrogen-doped graphene aerogel supported non-precious metal oxygen reduction catalyst |
| US10099191B1 (en) * | 2017-06-22 | 2018-10-16 | Tripod Technology Corporation | Method of making colloidal metal nanoparticles |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110483831A (en) * | 2019-08-19 | 2019-11-22 | 浙江大学 | A kind of MOF aeroge and preparation method thereof |
| WO2021046099A1 (en) * | 2019-09-04 | 2021-03-11 | Virginia Commonwealth University | PURE-PHASE CUBIC Ni1-xMox ALLOY NANOPARTICLES AS LOW-COST AND EARTH ABUNDANT ELECTROCATALYSTS |
| CN111939850A (en) * | 2020-04-30 | 2020-11-17 | 吉林大学 | Inorganic gel material and preparation method and application thereof |
| CN112387222A (en) * | 2020-10-28 | 2021-02-23 | 中国工程物理研究院激光聚变研究中心 | Preparation method of Co-Ni bimetallic aerogel |
| CN113275582A (en) * | 2021-04-01 | 2021-08-20 | 南京工业大学 | Preparation method of metal aerogel electrocatalytic material |
| CN115430839A (en) * | 2022-08-25 | 2022-12-06 | 云南电网有限责任公司电力科学研究院 | Preparation method of nickel-molybdenum intermetallic compound and prepared nickel-molybdenum intermetallic compound |
| CN115430839B (en) * | 2022-08-25 | 2023-07-07 | 云南电网有限责任公司电力科学研究院 | Preparation method of nickel-molybdenum intermetallic compound and prepared nickel-molybdenum intermetallic compound |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109569446A (en) | A kind of nickel-molybdenum alloy aeroge and preparation method thereof | |
| Li et al. | Strong metal–phosphide interactions in core–shell geometry for enhanced electrocatalysis | |
| CN105016319B (en) | Three-dimensional porous sea urchin shape phosphatization cobalt and preparation method and application | |
| CN103495432B (en) | A kind of fuel-cell catalyst preparation method of efficient stable | |
| CN107620087A (en) | A kind of FeOOH nickel-ferric spinel integration analysis oxygen electrode and preparation and application | |
| Xia et al. | Engineering abundant edge sites of bismuth nanosheets toward superior ambient electrocatalytic nitrogen reduction via topotactic transformation | |
| CN109675599A (en) | A kind of nitrogen-doped carbon cladding molybdenum carbide and its preparation method and application | |
| JP6275730B2 (en) | Non-PGM catalyst for thermal decomposition multi-complex compound system ORR | |
| CN108435177A (en) | A kind of porous carbon coating nano metal cobalt composite catalyst and its preparation and application | |
| CN110075853A (en) | Water CoZn-LDHs-ZIF@C sandwich and preparation method, application are decomposed in a kind of electro-catalysis entirely | |
| CN101436670A (en) | Fuel battery cathode catalyst and preparation method thereof | |
| CN106711419A (en) | Core-shell NiO/C porous composite lithium ion battery negative electrode material | |
| CN103212421A (en) | Preparation method of nano-grade electro-catalyst based on graphene | |
| CN109638300A (en) | The preparation method of special appearance rare earth cerium oxide | |
| CN111036249A (en) | FexP/Mn0.3Cd0.7S composite photocatalyst and preparation method and application thereof | |
| CN112058283A (en) | Preparation method and application of nickel selenide/molybdenum selenide composite nano electrocatalyst | |
| CN107321372A (en) | The preparation method of CoS nano particles/N doping RGO liberation of hydrogen composites | |
| CN109248702A (en) | The preparation method of the non-noble metal doped meso-porous carbon structure bifunctional electrocatalyst of N | |
| CN102502885B (en) | Method for preparing cobalt molybdate material in which micron rod is assembled by nano sheets | |
| Fan et al. | Freestanding Pt nanosheets with high porosity and improved electrocatalytic performance toward the oxygen reduction reaction | |
| CN106521551B (en) | A kind of preparation method of the NiAu nanocatalyst for ammonia borane hydrogen manufacturing | |
| CN108786673B (en) | Preparation method of nickel phosphate/nano-gold particle composite aerogel | |
| CN108084449A (en) | One kind is using Fe-MOFs as presoma controllable preparation is monatomic and cluster iron catalyst | |
| CN107857301A (en) | A kind of calcium swage Ca2Fe2O5Method for preparing catalyst | |
| CN102962470B (en) | Method for preparing spherical ultrafine nickel powder at room temperature |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190405 |