CN104843805B - CNTsSiO2Three-dimensional nanometer material of Ni/Al-LDH nucleocapsid structure and preparation method thereof - Google Patents

CNTsSiO2Three-dimensional nanometer material of Ni/Al-LDH nucleocapsid structure and preparation method thereof Download PDF

Info

Publication number
CN104843805B
CN104843805B CN201510180166.0A CN201510180166A CN104843805B CN 104843805 B CN104843805 B CN 104843805B CN 201510180166 A CN201510180166 A CN 201510180166A CN 104843805 B CN104843805 B CN 104843805B
Authority
CN
China
Prior art keywords
solution
ldh
nucleocapsid structure
cntssio
preparation
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
Application number
CN201510180166.0A
Other languages
Chinese (zh)
Other versions
CN104843805A (en
Inventor
陈泽祥
王艳
李海
张继君
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Xinyingnengji Technology Co ltd
Original Assignee
University of Electronic Science and Technology of China
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by University of Electronic Science and Technology of China filed Critical University of Electronic Science and Technology of China
Priority to CN201510180166.0A priority Critical patent/CN104843805B/en
Publication of CN104843805A publication Critical patent/CN104843805A/en
Application granted granted Critical
Publication of CN104843805B publication Critical patent/CN104843805B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses a kind of CNTsSiO2The preparation method of the three-dimensional nanometer material of Ni/Al-LDH nucleocapsid structure, it includes step: (1) utilizes cetyl trimethylammonium bromide (CTAB) dispersing Nano carbon tubes in the solution;(2) at finely dispersed carbon nano tube surface coated Si O2 shell, CNTsSiO2 nucleocapsid structure is formed;(3) AlOOH sol precursor is prepared;(4) at CNTsSiO2 nucleocapsid structure Surface coating AlOOH sol precursor, CNTsSiO2AlOOH nucleocapsid structure is formed;(5) in situ synthesis prepares CNTsSiO2Ni/Al-LDH nucleocapsid structure。It is mainly used in the fields such as ultracapacitor, catalyst and sensor。

Description

CNTsSiO2Three-dimensional nanometer material of Ni/Al-LDH nucleocapsid structure and preparation method thereof
Technical field
The invention belongs to nano structural material field, be specifically related to a kind of CNTsSiO2The preparation method of the three-dimensional nanometer material of Ni/Al-LDH nucleocapsid structure。
Background technology
Hydrotalcite-based compound is a class multifunctional material, also referred to as layered composite metal hydroxides, including brucite (Hydrotalcite, referred to as HT) and houghite (Hydrotalcite-likeCompounds, referred to as HTLCs)。Its typical molecular formula is [M2+ 1–xM3+ x(OH)2]x+[An– x/n·mH2O]x–。M therein2+、M3+Represent bivalence, trivalent metal cation, M respectively2+It can be the divalent ion of the metallic elements such as manganese, zinc, cobalt, nickel, ferrum, calcium, copper, magnesium;M3+Represent trivalent metal cation, it is possible to be the trivalent ion of the metallic elements such as aluminum, ferrum, chromium, gallium, nickel, manganese, cobalt;An–For biomolecule such as the tradable object anion of interlayer, organic anions as various in carbanion, sulfate ion, nitrate ion, hydroxide ion, phosphate anion, chloride ion, acetate, alkyl azochlorosulfonate etc. and biological objects such as coordination compound anion, heteropolyanion, polymer anion and aminoacid, nucleotide etc.。Electronegative interlayer anion positive charge that can balance on laminate in the way of electrostatic force or hydrogen bond makes whole brucite present electric neutrality。The hydrone and the anion that are positioned at interlayer can at random disconnect old key, form new key, and this character makes can optionally insert between laminate the anion of variety classes and quantity, makes brucite have structure designability。Therefore, brucite has that laminate is elementary composition and kind, the kind of interlayer anion and the Modulatory character of quantity and have potential application in many aspects, such as fields such as catalytic separation, anti-corrosion of metal, environmental protection, biological medicine, electrochemistry。
In recent years, people utilize brucite ion interchangeability, have synthesized a series of brucite and hydrotalcite-like materials。By brucite carries out the various design such as design on material structure, multi-component doped, brucite is made likely to have broad application prospects at each industrial circle。Such as Li et al. (ElectrochimicaActa, 2014,134,309) is under microwave-assisted, is prepared for sheet nickel aluminum hydrotalcite nano structure by refluxing, and in the KOH electrolyte of 6mol/L, under 1A/g electric current density, specific capacitance can reach 1630F/g。Wang et al. (EnergyFuels, 2010,24,6463) utilizes nickel nitrate and aluminum nitrate to be presoma, and in nickel foam, direct growth nickel aluminum hydrotalcite material, this configuration avoids the use of adhesive in electrode production process, improve the chemical property of material。Brucite prepared in above achievement in research mostly is laminar structured, and this construction features is easily caused hydrotalcite material and in use easily reunites, and service life substantially reduces。Even at Li et al. (ElectrochimicaActa, 2014,134,309) in achievement in research, the Graphene good by introducing electric conductivity, designs a kind of three dimensional composite structure material based on brucite Yu Graphene, also it is difficult to obtain a kind of contact good, constitutionally stable composite。Therefore how being combined with brucite by material with carbon element good for electric conductivity such as CNT, that design a kind of novelty, stable three dimensional structure is significant to promoting material property。
Summary of the invention
The invention aims to shortcomings such as overcoming hydrotalcite nano piece easily to reunite, electric conductivity is poor, chemical property is poor, how being combined with nickel aluminum hydrotalcite by material with carbon element good for electric conductivity such as CNT, that design a kind of novelty, stable 3-D nano, structure material is to promote material property。Propose a kind of with CNT (being subsequently abbreviated as CNTs) for core, with nickel aluminum hydrotalcite (being subsequently abbreviated as Ni/Al-LDH) for shell, (be subsequently abbreviated as SiO with silicon dioxide2) for connecting layer three-dimensional manometer nucleocapsid structure--CNT titanium dioxide tantnickel aluminum hydrotalcite, wherein this composite material of core-shell structure is designated as: CNTsSiO2Ni/Al-LDH。
The technical scheme is that a kind of CNTsSiO2The preparation method of the three-dimensional nanometer material of Ni/Al-LDH nucleocapsid structure, comprises the following steps:
1) take a certain amount of CNT, cetyl trimethylammonium bromide (CTAB) in container, add ethanol, deionized water formation mixed solution, above-mentioned mixed solution is carried out supersound process and obtains carbon nano-tube solution A;
2) in solution A, NaOH, tetraethyl orthosilicate (TEOS) are added, after stirring under room temperature condition, centrifugal or leaching, wash product with ethanol and dry, finally giving the powder B of cleaning;
3) a certain amount of aluminum isopropylate. is disperseed in deionized water, after stirring, drip HNO3Regulate after solution ph continuing stirs, solution system is cooled to room temperature, AlOOH colloidal sol can be obtained after moisture evaporates;
4) being ground by dried AlOOH, add deionized water, stirring and reflux 1-24 hour to obtain solution C;
5) taking a certain amount of solution C, powder B mixes, and by centrifugal for product or filtration, alcohol wash after stirring, product can obtain material powder D after drying;
6) powder D is dispersed in the deionized water having dissolved carbamide, after stirring, obtains solution E;
7) in solution E, Ni (NO is dripped3)2And after constantly stirring, above-mentioned solution system is transferred in reactor, reacting by heating certain time under uniform temperature, product is centrifuged or filtration after completing by question response, alternately washing product repeatedly with deionized water and ethanol, products therefrom is dried, just can obtain the 3-D nano, structure material of CNT titanium dioxide tantnickel aluminum hydrotalcite nucleocapsid structure。
Further, the mass ratio of the CNT in step 1) and CTAB ranges for 1:1 to 1:100。
Further, step 2) in NaOH concentration control at 0.01-5000mmol/L, tetraethyl orthosilicate concentration controls at 0.001-5000mmol/L。
Further, the mass ratio of the aluminum isopropylate. in step 3) and deionized water ranges for (1-100): 100, drips HNO in System Solution3Regulate solution ph and range for 1 ~ 8。
Further, when taking solution C and powder B mixing in step 5), the scope of every 1g powder B mixed solution C is 100-1000ml。
Further, the concentration range of the carbamide in step 6) is 0.1-5mol/L。
Further, the reacting by heating in step 6) refers to hydro-thermal reaction or water-bath or oil bath reaction, and reaction temperature is 50-250 DEG C。
Further, the hydro-thermal reaction in step 6) or water-bath or oil bath response time are 1-20 hour。
The present invention efficiently solves agglomeration traits and the bad problem of electric conductivity of nickel aluminum hydrotalcite nano piece, considerably increases the specific surface area of brucite so that it is activity is greatly enhanced。And provide a kind of brand-new preparation technology, it is successfully realized CNTsSiO2The preparation of the 3-D nano, structure material of Ni/Al-LDH nucleocapsid structure。The CNTsSiO of preparation2In Ni/Al-LDH composite, SiO2Layer is coated on CNTs surface formation nucleocapsid structure and is designated as CNTsSiO2, this body structure surface is that Ni/Al-LDH growth in situ provides favourable environment, is conducive to Ni/Al-LDH two-dimensional nano thin slice to be coated on CNTsSiO2On, one side avoids the reunion of the stacking and CNTs between Ni/Al-LDH two-dimensional nano thin slice;On the other hand, it is possible to obtain the great composite of specific surface area, and the space between nano flake be conducive to the immersion of liquid;It addition, CNTs provides swift electron passage as stratum nucleare, and can play a supporting role for composite, make composite have good mechanical stability。This composite construction has the mechanical stability of great specific surface area and excellence, can provide more favourable environment for this material redox reaction in electrochemical field is applied, catalytic reaction etc. in catalytic field is applied。
The present invention compared with prior art has the advantage that
1) CNTsSiO prepared2In Ni/Al-LDH 3-D nano, structure material, CNT provides electronics express passway so that it is have the charge transmission of excellence。
2) self assembly that Ni/Al-LDH two-dimensional nano sheet can be fairly regular is on the carbon nanotubes, and its size is controlled, has the electrochemical properties of excellence, and many nano effects of two-dimensional nano sheet can give full play of。
3) CNTsSiO prepared2The specific surface area of Ni/Al-LDH 3-D nano, structure material is very big, it is possible to store substantial amounts of electric charge, can obtain significantly high energy density during for the positive electrode of ultracapacitor。
4) CNT is that Ni/Al-LDH two-dimensional nano sheet provides stable structure support;Make it have stable chemical property。
5) preparation method is simple, environmental protection, it is easy to realize producing in enormous quantities。
6) CNTsSiO prepared2Ni/Al-LDH 3-D nano, structure materials application is to obtain very high energy density in super capacitor anode material。
Accompanying drawing explanation
Fig. 1 is the CNT titanium dioxide tantnickel aluminum hydrotalcite electrode material X ray diffracting spectrum prepared by the present invention;
Fig. 2 is the CNT titanium dioxide tantnickel aluminum hydrotalcite electrode material electron scanning micrograph prepared by the present invention;
Fig. 3 is the CNT titanium dioxide tantnickel aluminum hydrotalcite electrode material transmission electron microscope photo prepared by the present invention。
Detailed description of the invention
Embodiment 1:
CNT titanium dioxide tantnickel aluminum hydrotalcite (CNTsSiO2Ni/Al-LDH) prepared by the 3-D nano, structure material of nucleocapsid structure。
1) take 0.01g CNT, 0.01gCTAB in container, state addition 0.01L ethanol, 0.01L deionized water in container then up, above-mentioned mixed solution is carried out supersound process, obtains carbon nano-tube solution A;
2) adding 0.1mlNaOH, 0.1ml tetraethyl orthosilicate (TEOS) in solution A, after stirring, centrifugal, ethanol is washed product and dries, and finally gives the powder B of cleaning。
3) 0.1g aluminum isopropylate. is dispersed in 0.1L deionized water, after stirring under 30 DEG C of conditions, System Solution upwards drips HNO3Regulating solution ph is 8, after continuing to stir, solution system is cooled to room temperature, can obtain AlOOH colloidal sol after moisture evaporates。Being ground by dried AlOOH, add 0.01L deionized water, after stirring, backflow can obtain solution C in 3 hours。
4) solution C 50ml is taken, powder B0.01g, by centrifugal for product or filtration, alcohol wash after stirring 5 hours, material powder D can be obtained by room temperature dry for product。
5) powder D is dispersed in the 50ml deionized water having dissolved 0.01g carbamide, after stirring, obtains solution E。
6) in solution E, 0.1mlNi (NO is dripped3)2After continuing to stir, above-mentioned solution system is transferred in reactor, 70 DEG C of water-baths 8 hours, product is centrifuged or filtration after completing by question response, alternately washing product repeatedly with deionized water and ethanol, products therefrom is dried, obtains CNT titanium dioxide tantnickel aluminum hydrotalcite (CNTsSiO2Ni/Al-LDH) three-dimensional nanometer material of nucleocapsid structure。
Embodiment 2:
1) take 0.01g CNT, 0.6gCTAB in container, state addition 0.1L ethanol, 0.1L deionized water in container then up, above-mentioned mixed solution is carried out supersound process, obtains carbon nano-tube solution A;
2) adding 0.2mlNaOH, 0.2ml tetraethyl orthosilicate (TEOS) in solution A, after stirring, centrifugal, ethanol is washed product and dries, and finally gives the powder B of cleaning。
3) 0.2g aluminum isopropylate. is dispersed in 0.2L deionized water, after stirring, System Solution upwards drips HNO3Regulating solution ph is 7, after continuing to stir, solution system is cooled to room temperature, can obtain AlOOH colloidal sol after moisture evaporates。Being ground by dried AlOOH, add 0.1L deionized water, after stirring, backflow can obtain solution C in 5 hours。
4) solution C 50ml is taken, powder B0.02g, by centrifugal for product or filtration, alcohol wash after stirring, material powder D can be obtained by room temperature dry for product。
5) powder D is dispersed in the 50ml deionized water having dissolved 0.1g carbamide, after stirring, obtains solution E。
6) in solution E, 0.2mlNi (NO is dripped3)2After continuing stirring, above-mentioned solution system is transferred in reactor, 80 DEG C of water-baths 20 hours, product is centrifuged or filtration after completing by question response, alternately washing product repeatedly with deionized water and ethanol, products therefrom is dried, obtains CNT titanium dioxide tantnickel aluminum hydrotalcite (CNTsSiO2Ni/Al-LDH) three-dimensional nanometer material of nucleocapsid structure。
Embodiment 3:
1) take 0.03g CNT, 2gCTAB in container, state addition 0.2L ethanol, 0.2L deionized water in container then up, above-mentioned mixed solution is carried out supersound process 6 hours, obtains carbon nano-tube solution A;
2) adding 5mlNaOH, 5ml tetraethyl orthosilicate (TEOS) in solution A, after stirring, centrifugal, ethanol is washed product and dries, and finally gives the powder B of cleaning。
3) 2g aluminum isopropylate. is dispersed in 0.5L deionized water, after stirring, System Solution upwards drips HNO3Regulating solution ph is 6, after continuing to stir, solution system is cooled to room temperature, can obtain AlOOH colloidal sol after moisture evaporates。Being ground by dried AlOOH, add 0.5L deionized water, after stirring, backflow can obtain solution C in 7 hours。
4) solution C 100ml is taken, powder B30g, by centrifugal for product or filtration, alcohol wash after stirring 1-48 hour, material powder D can be obtained by room temperature dry for product。
5) powder D is dispersed in the 5L deionized water having dissolved 20g carbamide, is uniformly mixing to obtain solution E。
6) in solution E, 50mlNi (NO is dripped3)2After continuing to stir, above-mentioned solution system is transferred in reactor, 100-250 DEG C of oil bath is reacted 1-48 hour, product is centrifuged or filtration after completing by question response, alternately washing product repeatedly with deionized water and ethanol, products therefrom dries, and just can obtain CNT titanium dioxide tantnickel aluminum hydrotalcite (CNTsSiO2Ni/Al-LDH) the 3-D nano, structure material of nucleocapsid structure。
Embodiment 4:
1) take 0.04g CNT, 10gCTAB in container, state addition 0.4L ethanol, 0.4L deionized water in container then up, above-mentioned mixed solution is carried out supersound process, obtains carbon nano-tube solution A;
2) adding 10mlNaOH (0.1M) in solution A, 10ml tetraethyl orthosilicate (TEOS), after stirring under room temperature condition, centrifugal, ethanol is washed product and dries, and finally gives the powder B of cleaning。
3) 0.1g aluminum isopropylate. is dispersed in 0.1L deionized water, after stirring, System Solution upwards drips HNO3(1M) regulating solution ph is 1 ~ 8, after continuing to stir, solution system is cooled to room temperature, can obtain AlOOH colloidal sol after moisture evaporates。Being ground by dried AlOOH, add deionized water, after stirring, backflow can obtain solution C in 1-24 hour。
4) solution C 10ml is taken, powder B0.01g, by centrifugal for product or filtration, alcohol wash after stirring 1-48 hour, material powder D can be obtained by room temperature dry for product。
5) powder D is dispersed in the 10ml deionized water having dissolved 0.01g carbamide, after stirring, obtains solution E。
6) in solution E, 1mlNi (NO is dripped3)2(0.01M), after continuing to stir, above-mentioned solution system is transferred in reactor, 150 DEG C hydro-thermal reaction 1-48 hour, product is centrifuged or filtration after completing by question response, alternately product is washed repeatedly with deionized water and ethanol, dry under 20-100 DEG C of condition of products therefrom, obtain CNT titanium dioxide tantnickel aluminum hydrotalcite (CNTsSiO2Ni/Al-LDH) the 3-D nano, structure material of nucleocapsid structure。
Embodiment 5:
1) take 50g CNT, 100gCTAB in container, state addition 5L ethanol, 5L deionized water in container then up, above-mentioned mixed solution is carried out supersound process, obtains carbon nano-tube solution A;
2) adding 2.5LNaOH (10M) in solution A, 0.5L tetraethyl orthosilicate (TEOS), after stirring under room temperature condition, centrifugal, ethanol is washed product and dries, and finally gives the powder B of cleaning。
3) 250g aluminum isopropylate. is dispersed in 5L deionized water, after stirring, System Solution upwards drips HNO3Regulating solution ph is 6, after continuing to stir, solution system is cooled to room temperature, can obtain AlOOH colloidal sol after moisture evaporates。Being ground by dried AlOOH (250g), add 5L deionized water, after stirring, backflow can obtain solution C in 1-24 hour。
4) solution C 5L is taken, powder B50g, by centrifugal for product or filtration, alcohol wash after stirring 1-48 hour, material powder D can be obtained by room temperature dry for product。
5) powder D is dispersed in the 5L deionized water having dissolved 50g carbamide, after stirring, obtains solution E。
6) in solution E, 0.5LNi (NO is dripped3)2(5M), after continuing to stir, above-mentioned solution system is transferred in reactor, 100 DEG C hydro-thermal reaction 1-48 hour, product is centrifuged or filtration after completing by question response, alternately washing product repeatedly with deionized water and ethanol, products therefrom dries, and obtains CNT titanium dioxide tantnickel aluminum hydrotalcite (CNTsSiO2Ni/Al-LDH) the 3-D nano, structure material of nucleocapsid structure。
Embodiment 6:
1) take 100g CNT, 200gCTAB in container, state addition 10L ethanol, 10L deionized water in container then up, above-mentioned mixed solution is carried out supersound process, obtains carbon nano-tube solution A;
2) adding 5LNaOH (20M) in solution A, 0.1-1L tetraethyl orthosilicate (TEOS), after stirring under room temperature condition, centrifugal, ethanol is washed product and dries, and finally gives the powder B of cleaning。
3) 500g aluminum isopropylate. is dispersed in 10L deionized water, after stirring, System Solution upwards drips HNO3(5M) regulating solution ph is 2, after continuing to stir, solution system is cooled to room temperature, can obtain AlOOH colloidal sol after moisture evaporates。Taking the dried AlOOH of 500g to be ground, add 10L deionized water, after stirring, backflow can obtain solution C in 1-24 hour。
4) solution C 10L is taken, powder B100g, by centrifugal for product or filtration, alcohol wash after stirring, product is dried and can obtain material powder D。
5) powder D is dispersed in the 10L deionized water having dissolved 100g carbamide, after stirring, obtains solution E。
6) in solution E, 1LNi (NO is dripped3)2(10M), after continuing to stir, above-mentioned solution system is transferred in reactor, 130 DEG C hydro-thermal reaction 1-48 hour, product is centrifuged or filtration after completing by question response, alternately washing product repeatedly with deionized water and ethanol, gained dries, and obtains CNT titanium dioxide tantnickel aluminum hydrotalcite (CNTsSiO2Ni/Al-LDH) the 3-D nano, structure material of nucleocapsid structure。
By electron scanning micrograph and transmission electron microscope photo it can be seen that the CNT titanium dioxide tantnickel aluminum hydrotalcite (CNTsSiO for preparing of the present invention2Ni/Al-LDH) three-dimensional nanometer material of nucleocapsid structure, Ni/Al-LDH is uniformly distributed assembling on the carbon nanotubes, Stability Analysis of Structures。
Embodiment described above only have expressed the detailed description of the invention of the application, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the application protection domain。It should be pointed out that, for the person of ordinary skill of the art, under the premise conceived without departing from technical scheme, it is also possible to make some deformation and improvement, these broadly fall into the protection domain of the application。

Claims (8)

1. a CNTsSiO2The preparation method of the three-dimensional nanometer material of Ni/Al-LDH nucleocapsid structure, it is characterised in that comprise the following steps:
1) take a certain amount of CNT, cetyl trimethylammonium bromide (CTAB) in container, add ethanol, deionized water formation mixed solution, above-mentioned mixed solution is carried out supersound process and obtains carbon nano-tube solution A;
2) in solution A, NaOH, tetraethyl orthosilicate (TEOS) are added, after stirring under room temperature condition, centrifugal or leaching, wash product with ethanol and dry, finally giving the powder B of cleaning;
3) a certain amount of aluminum isopropylate. is disperseed in deionized water, after stirring, drip HNO3Regulate after solution ph continuing stirs, solution system is cooled to room temperature, AlOOH colloidal sol can be obtained after moisture evaporates;
4) being ground by dried AlOOH, add deionized water, stirring and reflux 1-24 hour to obtain solution C;
5) taking a certain amount of solution C, powder B mixes, and by centrifugal for product or filtration, alcohol wash after stirring, product can obtain material powder D after drying;
6) powder D is dispersed in the deionized water having dissolved carbamide, after stirring, obtains solution E;
7) in solution E, Ni (NO is dripped3)2And after constantly stirring, above-mentioned solution system is transferred in reactor, reacting by heating certain time under uniform temperature, product is centrifuged or filtration after completing by question response, alternately washing product repeatedly with deionized water and ethanol, products therefrom is dried, just can obtain the 3-D nano, structure material of CNT titanium dioxide tantnickel aluminum hydrotalcite nucleocapsid structure。
2. a kind of CNTsSiO according to claim 12The preparation method of the three-dimensional nanometer material of Ni/Al-LDH nucleocapsid structure, it is characterised in that CNT and the mass ratio of CTAB in step 1) range for 1:1 to 1:100。
3. a kind of CNTsSiO according to claim 12The preparation method of the three-dimensional nanometer material of Ni/Al-LDH nucleocapsid structure, it is characterised in that step 2) in NaOH concentration control at 0.01-5000mmol/L, tetraethyl orthosilicate concentration controls at 0.001-5000mmol/L。
4. a kind of CNTsSiO according to claim 12The preparation method of the three-dimensional nanometer material of Ni/Al-LDH nucleocapsid structure, it is characterised in that the mass ratio of the aluminum isopropylate. in step 3) and deionized water ranges for (1-100): 100, drips HNO in System Solution3Regulate solution ph and range for 1 ~ 8。
5. a kind of CNTsSiO according to claim 12The preparation method of the three-dimensional nanometer material of Ni/Al-LDH nucleocapsid structure, it is characterised in that when taking solution C and powder B mixing in step 5), the scope of every 1g powder B mixed solution C is 100-1000ml。
6. a kind of CNTsSiO according to claim 12The preparation method of the three-dimensional nanometer material of Ni/Al-LDH nucleocapsid structure, it is characterised in that the concentration range of the carbamide in step 6) is 0.1-5mol/L。
7. a kind of CNTsSiO according to claim 12The preparation method of the three-dimensional nanometer material of Ni/Al-LDH nucleocapsid structure, it is characterised in that the reacting by heating in step 7) refers to hydro-thermal reaction or water-bath or oil bath reaction, and reaction temperature is 50-250 DEG C。
8. a kind of CNTsSiO according to claim 72The preparation method of the three-dimensional nanometer material of Ni/Al-LDH nucleocapsid structure, it is characterised in that hydro-thermal reaction in step 7) or oil bath reaction or water-bath time are 1-20 hour。
CN201510180166.0A 2015-04-16 2015-04-16 CNTsSiO2Three-dimensional nanometer material of Ni/Al-LDH nucleocapsid structure and preparation method thereof Active CN104843805B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510180166.0A CN104843805B (en) 2015-04-16 2015-04-16 CNTsSiO2Three-dimensional nanometer material of Ni/Al-LDH nucleocapsid structure and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510180166.0A CN104843805B (en) 2015-04-16 2015-04-16 CNTsSiO2Three-dimensional nanometer material of Ni/Al-LDH nucleocapsid structure and preparation method thereof

Publications (2)

Publication Number Publication Date
CN104843805A CN104843805A (en) 2015-08-19
CN104843805B true CN104843805B (en) 2016-06-22

Family

ID=53843856

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510180166.0A Active CN104843805B (en) 2015-04-16 2015-04-16 CNTsSiO2Three-dimensional nanometer material of Ni/Al-LDH nucleocapsid structure and preparation method thereof

Country Status (1)

Country Link
CN (1) CN104843805B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107107052A (en) 2015-11-11 2017-08-29 沙特基础工业全球技术公司 The multiple function stable nanometer tectosome of hydrotalcite shell containing nano-sized carbon and nanostructured or micrometer structure and through calcining
CN105999262B (en) * 2016-05-24 2019-10-18 同济大学 A kind of SiO that the nano-medicament carrier with active targeting tumour-bevacizumab mediates2@LDH, preparation method and application
CN106158417A (en) * 2016-08-22 2016-11-23 电子科技大学 A kind of sheet nickel aluminum hydrotalcite nano material is the preparation method of the ultracapacitor of positive pole
CN109835909B (en) * 2017-11-28 2022-12-02 中国石油天然气股份有限公司 Preparation method of modified silica gel carrier
CN108133831B (en) * 2017-12-29 2020-06-16 哈尔滨理工大学 Ni3S2Preparation method of @ rGO @ LDHs
CN108453265B (en) * 2018-04-24 2021-02-09 贵州理工学院 Silicon dioxide nanotube confinement nickel nanoparticle and preparation method thereof
CN109821539B (en) * 2019-01-22 2020-08-07 上海理工大学 Ni @ NiFe L DH three-dimensional shell-core structure material and application and preparation method thereof
KR102229929B1 (en) * 2019-03-29 2021-03-18 성균관대학교산학협력단 Heterogeneous catalyst, its preparation method and A method for producing a high-substituted aromatic monomer derived from lignin from woody biomass material
CN112452328B (en) * 2020-11-06 2022-07-22 上海簇睿低碳能源技术有限公司 Ni@SiO2@Co-Al2O3Preparation method of multistage core-shell catalyst
CN112331436B (en) * 2020-12-09 2024-01-26 中国计量大学 Preparation method of coaxial magnetic nano cable based on exchange bias
CN113019373B (en) * 2021-03-15 2022-04-12 四川大学 Catalyst for reforming alcohols to produce hydrogen and preparation method thereof
CN116093292B (en) * 2023-02-17 2024-03-01 三一红象电池有限公司 Method for preparing carbon-coated sodium iron sulfate material, carbon-coated sodium iron sulfate material and battery

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101066526A (en) * 2007-04-20 2007-11-07 北京化工大学 Heterostructure material of hydrotalcite and carbon nanotube and its prepn process
CN102141536A (en) * 2010-12-10 2011-08-03 北京化工大学 Composite material electrode based on carbon nano tubes as well as preparation method and application thereof
CN102350279A (en) * 2011-06-22 2012-02-15 浙江大学 Method for preparing carbon nanotube (CNT)/layered double-metal hydroxide (LDH) compound
CN103985560A (en) * 2014-04-28 2014-08-13 北京化工大学 Hydrotalcite/carbon nano-tube/nickel multi-level structure thin film and preparation method and application thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201122199D0 (en) * 2011-12-22 2012-02-01 Bio Nano Consulting Carbon nanotube aerogels/xerogels/gels for CO2 capture
GB201300538D0 (en) * 2013-01-11 2013-02-27 Norner As Polycarbonates

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101066526A (en) * 2007-04-20 2007-11-07 北京化工大学 Heterostructure material of hydrotalcite and carbon nanotube and its prepn process
CN102141536A (en) * 2010-12-10 2011-08-03 北京化工大学 Composite material electrode based on carbon nano tubes as well as preparation method and application thereof
CN102350279A (en) * 2011-06-22 2012-02-15 浙江大学 Method for preparing carbon nanotube (CNT)/layered double-metal hydroxide (LDH) compound
CN103985560A (en) * 2014-04-28 2014-08-13 北京化工大学 Hydrotalcite/carbon nano-tube/nickel multi-level structure thin film and preparation method and application thereof

Also Published As

Publication number Publication date
CN104843805A (en) 2015-08-19

Similar Documents

Publication Publication Date Title
CN104843805B (en) CNTsSiO2Three-dimensional nanometer material of Ni/Al-LDH nucleocapsid structure and preparation method thereof
Xu et al. Facile fabrication of three-dimensional graphene and metal–organic framework composites and their derivatives for flexible all-solid-state supercapacitors
Liang et al. Oxygen-vacancy-rich nickel-cobalt layered double hydroxide electrode for high-performance supercapacitors
Chen et al. Assembling hollow cobalt sulfide nanocages array on graphene-like manganese dioxide nanosheets for superior electrochemical capacitors
Pettong et al. High-performance asymmetric supercapacitors of MnCo2O4 nanofibers and N-doped reduced graphene oxide aerogel
Wang et al. MOF-derived NiO/NiCo2O4 and NiO/NiCo2O4-rGO as highly efficient and stable electrocatalysts for oxygen evolution reaction
Edison et al. Supercapacitor performance of carbon supported Co3O4 nanoparticles synthesized using Terminalia chebula fruit
Zhou et al. Hollow fluffy Co3O4 cages as efficient electroactive materials for supercapacitors and oxygen evolution reaction
Zhu et al. Facile fabrication of hierarchically porous CuFe2O4 nanospheres with enhanced capacitance property
CN107604381B (en) Iron-based layered duplex metal hydroxide nanometer thin-film material, preparation method and applications
Wang et al. Hierarchical NiAl layered double hydroxide/multiwalled carbon nanotube/nickel foam electrodes with excellent pseudocapacitive properties
Zhao et al. Design of 2D mesoporous Zn/Co-based metal-organic frameworks as a flexible electrode for energy storage and conversion
Zhang et al. Porous nickel-cobalt layered double hydroxide nanoflake array derived from ZIF-L-Co nanoflake array for battery-type electrodes with enhanced energy storage performance
Zhou et al. Hierarchial mesoporous hematite with “electron-transport channels” and its improved performances in photocatalysis and lithium ion batteries
Kim et al. Redox deposition of birnessite-type manganese oxide on silicon carbide microspheres for use as supercapacitor electrodes
Liu et al. Carbon nanotubes supported mesoporous mesocrystals of anatase TiO2
Fahimi et al. Fabrication of ZnO@ C foam: A flexible free-standing electrode for energy storage devices
Chai et al. Porous NiCo2S4-halloysite hybrid self-assembled from nanosheets for high-performance asymmetric supercapacitor applications
CN103433044B (en) Preparation method of cobalt-nickel double metal hydroxide nano composite
Fang et al. Over-reduction-controlled mixed-valent manganese oxide with tunable Mn2+/Mn3+ ratio for high-performance asymmetric supercapacitor with enhanced cycling stability
Li et al. Ni–Fe phosphate/Ni foam electrode: facile hydrothermal synthesis and ultralong oxygen evolution reaction durability
CN104900419B (en) Use CNTs@SiO2@Ni/Al LDH core shell structures are the ultracapacitor of positive electrode
Li et al. Oriented nanosheet-assembled CoNi-LDH cages with efficient ion diffusion for quasi-solid-state hybrid supercapacitors
Liu et al. Rational construction of MOF derived hollow leaf-like Ni/Co (VO3) x (OH) 2-x for enhanced supercapacitor performance
CN104987715A (en) Three-dimensional graphene, polyaniline and cobaltosic oxide composite material and preparation method and application

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
EXSB Decision made by sipo to initiate substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20180206

Address after: 610000 Sichuan city of Chengdu province Tianfu tea Street Cultural Road No. 12

Patentee after: Sichuan Angen Based Technology Co., Ltd.

Address before: 611731 Chengdu province high tech Zone (West) West source Avenue, No. 2006

Patentee before: University of Electronic Science and Technology of China

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210927

Address after: 610200 China (Sichuan) pilot Free Trade Zone, Chengdu, Sichuan, No. 777, section 4, Huafu Avenue, Southwest Airport Economic Development Zone, Shuangliu District, Chengdu

Patentee after: Chengdu xinyingnengji Technology Co.,Ltd.

Address before: No.12 Wenhua Road, Jiancha street, Tianfu New District, Chengdu, Sichuan 610000

Patentee before: Sichuan Angen Based Technology Co.,Ltd.