CN110038577A - Synthetic method of the one step growth in situ in the class alpha-phase nickel hydroxide nanometer sheet of carbon cloth substrate - Google Patents
Synthetic method of the one step growth in situ in the class alpha-phase nickel hydroxide nanometer sheet of carbon cloth substrate Download PDFInfo
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- CN110038577A CN110038577A CN201910419436.7A CN201910419436A CN110038577A CN 110038577 A CN110038577 A CN 110038577A CN 201910419436 A CN201910419436 A CN 201910419436A CN 110038577 A CN110038577 A CN 110038577A
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- carbon cloth
- nanometer sheet
- nickel hydroxide
- synthetic method
- phase nickel
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 59
- 239000004744 fabric Substances 0.000 title claims abstract description 59
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 19
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 title claims abstract description 17
- 239000000758 substrate Substances 0.000 title claims abstract description 15
- 238000010189 synthetic method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- 239000012153 distilled water Substances 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 235000010299 hexamethylene tetramine Nutrition 0.000 claims abstract description 10
- 239000004312 hexamethylene tetramine Substances 0.000 claims abstract description 10
- 239000008367 deionised water Substances 0.000 claims abstract description 6
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 6
- 235000019441 ethanol Nutrition 0.000 claims abstract description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 6
- 239000010935 stainless steel Substances 0.000 claims abstract description 6
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 claims abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 19
- 238000003786 synthesis reaction Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 6
- AOPCKOPZYFFEDA-UHFFFAOYSA-N nickel(2+);dinitrate;hexahydrate Chemical compound O.O.O.O.O.O.[Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O AOPCKOPZYFFEDA-UHFFFAOYSA-N 0.000 claims description 6
- 229910002651 NO3 Inorganic materials 0.000 claims description 5
- 238000002604 ultrasonography Methods 0.000 claims description 5
- 230000035484 reaction time Effects 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 claims 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract description 17
- 239000004202 carbamide Substances 0.000 abstract description 16
- 238000007254 oxidation reaction Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000003647 oxidation Effects 0.000 abstract description 5
- 230000003197 catalytic effect Effects 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000003760 magnetic stirring Methods 0.000 abstract 1
- 239000000376 reactant Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 6
- 229910006527 α-Ni(OH)2 Inorganic materials 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000004502 linear sweep voltammetry Methods 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 1
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/74—Iron group metals
- B01J23/755—Nickel
-
- B01J35/23—
-
- B01J35/33—
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/10—Heat treatment in the presence of water, e.g. steam
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
Abstract
The invention discloses a step growth in situ the class alpha-phase nickel hydroxide nanometer sheet of carbon cloth substrate synthetic method, the following steps are included: carbon cloth to be cut into the fritter of suitable dimension, sulfuric acid cleaned carbon cloth 30min is used at room temperature, then with hydrogen peroxide solution in 80 DEG C of oil bath 1.5h, simultaneous stirring, it is finally clean with distilled water cleaning down, until pH is adjusted to neutrality, carbon cloth is put into baking oven and is dried for standby；Using nickel nitrate and hexamethylenetetramine as reactant, deionized water is solvent, and strong magnetic stirring is until be uniformly mixed at room temperature.Then, which is transferred to Teflon-lined stainless steel autoclave, and the carbon cloth pre-processed is put into reaction kettle, then is rinsed respectively with water and ethyl alcohol, and class alpha-phase nickel hydroxide nanometer sheet can be obtained in drying.Advantages of the present invention: preparation process is simple, low in cost, is suitble to industrial mass production, has efficiently excellent catalytic effect and stability to oxidation urea, is widely used.
Description
Technical field
The present invention relates to method for preparing catalyst technical fields, and in particular to α phase of the step growth in situ in carbon cloth substrate
The synthetic method of nickel hydroxide nano piece.
Background technique
Urea (NH2)2CO is widely used in industry, agricultural and daily life.By untreated urea waste water direct emission
Into environment, will environmental and human health impacts be caused with harm very serious；On the other hand environmental pollution and energy shortage are solved
Problem is always to explore the problem of clean energy resource, therefore, in the new era that this develops clean energy resource and environmental protection, rich urea
Useless water reuse is extremely urgent.Urea is considered as a kind of raw material of attractive production hydrogen, is readily transported and stores；
Show promise as the new energy fuel of the following power generation.Exploitation electro-catalysis urea that is efficient, easy, being suitble to industrial mass production
Oxidation is current most promising and challenge research direction.
There are no the urea oxidation catalyst of generally acknowledged Cheap highly effective, Pt/C and ruthenium-oxide etc. in electro-catalysis field at present
Noble metal is also bad to urea electro-catalysis effect；In the catalyst for having studied report, complicated cumbersome preparation is required mostly
Technique is not appropriate for industrialized production, therefore the recycling of urea waste water is restricted.The α that the present invention is prepared with a step hydro-thermal
Beta-phase nickel hydroxide nanometer sheet has excellent electrocatalytic oxidation property to urea, and the easy of synthetic method also gives industrial applications band
To wish.
Summary of the invention
The problem to be solved in the present invention is: providing a step growth in situ in the class alpha-phase nickel hydroxide nanometer sheet of carbon cloth substrate
Synthetic method, synthesis technology is easy, is suitble to industrial mass production, also there is efficient significant catalytic effect to urea.
The present invention in order to solve the above problem provided by technical solution are as follows: α phase hydrogen of the step growth in situ in carbon cloth substrate
Nickel oxide (is write a Chinese character in simplified form: α-Ni (OH)2/ CC) nanometer sheet synthetic method, comprising the following steps:
(1) pretreatment of carbon cloth:
Carbon cloth (CC) is cut into the fritter (2cm*2cm) of suitable dimension, uses 0.5mol/L H at room temperature2SO4It is completely soaked
Carbon cloth and ultrasound 30min, then pull carbon cloth out, with excessive 80 DEG C of 30%H2O2Solution oil bath 1.5h, simultaneous stir
It mixes, it is finally clean with distilled water cleaning down, and pH value is adjusted to neutrality with distilled water, the carbon cloth prepared is put into 70 DEG C
It is dried in baking oven spare for 24 hours.
(2)α-Ni(OH)2The synthesis of/CC nanometer sheet:
Nickelous nitrate hexahydrate (Ni (NO3)2·6H2) and hexamethylenetetramine (C O6H12N4) according to the ratio of molar ratio 5:7.5
Example weighs, and the two is dissolved in 55mL deionized water, and strong magnetic stirs 30min at room temperature, until be uniformly mixed, it then, should
Solution is transferred to 100 milliliters of Teflon-lined stainless steel autoclaves, and the carbon cloth handled in the step (1) is put into instead
It answers in kettle, carries out hydro-thermal reaction, it is to be cooled to arrive room temperature, carbon cloth is respectively rinsed 3 times with water and ethyl alcohol respectively, is then placed within 60 DEG C
Vacuum bakeout 12h, finally, obtaining α-Ni (OH)2/CC。
Further, the stirring and cleaning process in the step (1), it is too fierce that amplitude is not easy, and guarantees the microcosmic knot of carbon cloth
Structure marshalling does not influence the quality of growth in situ.
Further, most preferably 140 DEG C of hydrothermal reaction condition in the step (2), time 10h；If changing temperature
The dosage of (80-200 DEG C) and hexamethylenetetramine, by the molar ratio of Nickelous nitrate hexahydrate and hexamethylenetetramine 1:1 extremely
Between 1:3, dosage is different, has an impact to the pattern and crystal phase of synthetic material.
Advantages of the present invention: preparation process is simple, low in cost, is suitble to industrial mass production, has to oxidation urea
Efficiently excellent catalytic effect and stability, is widely used.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.
Fig. 1 is the α-Ni (OH) of synthesis2The X-ray diffraction of/CC tests (XRD) figure；
Fig. 2 is the α-Ni (OH) of synthesis2Scanning electron microscope (SEM) figure of/CC；
Fig. 3 is the α-Ni (OH) of synthesis2/ CC in alkaline solution (1M KOH and 0.5M urea) oxygen evolution reaction (OER) with
Linear sweep voltammetry (LSV) performance comparison figure of urea oxidation reaction (UOR)；
Fig. 4 is the α-Ni (OH) of synthesis2/ CC urea oxidation reaction in alkaline solution (1M KOH and 0.5M urea)
Stability test Chronopotentiometric (CP) figure.
Specific embodiment
The present invention is not only limited to above embodiments, and specific structure is allowed to vary.It is all to be wanted in independent right of the present invention
Made various change all falls in the scope of protection of the present invention in the protection scope asked.
Embodiment 1
One step growth in situ (is write a Chinese character in simplified form: α-Ni (OH) in the class alpha-phase nickel hydroxide of carbon cloth substrate2/ CC) nanometer sheet synthesis side
Method, comprising the following steps:
(1) pretreatment of carbon cloth:
Carbon cloth (CC) is cut into the fritter (2cm*2cm) of suitable dimension, uses 0.5mol/L H at room temperature2SO4It is completely soaked
Carbon cloth and ultrasound 30min, then pull carbon cloth out, with excessive 80 DEG C of 30%H2O2Solution oil bath 1.5h, simultaneous stir
It mixes, it is finally clean with distilled water cleaning down, and pH value is adjusted to neutrality with distilled water, the carbon cloth prepared is put into 70 DEG C
It is dried in baking oven spare for 24 hours.
(2)α-Ni(OH)2The synthesis of/CC nanometer sheet:
By 1.46g Nickelous nitrate hexahydrate (Ni (NO3)2·6H2) and 1.05g hexamethylenetetramine (C O6H12N4) be dissolved in
In 55mL deionized water, strong magnetic stirs 30min at room temperature, until being uniformly mixed, then, which is transferred to 100 milliliters
Teflon-lined stainless steel autoclave is put into the carbon cloth handled in the step (1) in reaction kettle, and it is anti-to carry out hydro-thermal
It answers, reaction temperature is 140 DEG C, reaction time 10h, it is to be cooled to arrive room temperature, carbon cloth is respectively rinsed 3 times with water and ethyl alcohol respectively,
60 DEG C of vacuum bakeout 12h are then placed within, finally, obtaining α-Ni (OH)2/CC。
Stirring and cleaning process in the step (1), it is too fierce that amplitude is not easy, and guarantees that the arrangement of carbon cloth microstructure is whole
Together, the quality of growth in situ is not influenced.
Embodiment 2
One step growth in situ (is write a Chinese character in simplified form: α-Ni (OH) in the class alpha-phase nickel hydroxide of carbon cloth substrate2/ CC) nanometer sheet synthesis side
Method, comprising the following steps:
(1) pretreatment of carbon cloth:
Carbon cloth (CC) is cut into the fritter (2cm*2cm) of suitable dimension, uses 0.5mol/L H at room temperature2SO4It is completely soaked
Carbon cloth and ultrasound 30min, then pull carbon cloth out, with excessive 80 DEG C of 30%H2O2Solution oil bath 1.5h, simultaneous stir
It mixes, it is finally clean with distilled water cleaning down, and pH value is adjusted to neutrality with distilled water, the carbon cloth prepared is put into 70 DEG C
It is dried in baking oven spare for 24 hours.
(2)α-Ni(OH)2The synthesis of/CC nanometer sheet:
By 1.45g Nickelous nitrate hexahydrate (Ni (NO3)2·6H2) and 0.7g hexamethylenetetramine (C O6H12N4) it is dissolved in 55mL
In deionized water, strong magnetic stirs 30min at room temperature, until being uniformly mixed, then, which is transferred to 100 milliliters of Teflon-
Lined stainless steel autoclave is put into the carbon cloth handled in the step (1) in reaction kettle, carries out hydro-thermal reaction, reaction
Temperature is 200 DEG C, reaction time 10h, to be cooled to arrive room temperature, and carbon cloth is respectively rinsed 3 times with water and ethyl alcohol respectively, is then placed
In 60 DEG C of 12 h of vacuum bakeout, finally, obtaining α-Ni (OH)2/CC。
Further, the stirring and cleaning process in the step (1), it is too fierce that amplitude is not easy, and guarantees the microcosmic knot of carbon cloth
Structure marshalling does not influence the quality of growth in situ.
Embodiment 3
One step growth in situ (is write a Chinese character in simplified form: α-Ni (OH) in the class alpha-phase nickel hydroxide of carbon cloth substrate2/ CC) nanometer sheet synthesis side
Method, comprising the following steps:
(1) pretreatment of carbon cloth:
Carbon cloth (CC) is cut into the fritter (2cm*2cm) of suitable dimension, uses 0.5mol/L H at room temperature2SO4It is completely soaked
Carbon cloth and ultrasound 30min, then pull carbon cloth out, with excessive 80 DEG C of 30%H2O2Solution oil bath 1.5h, simultaneous stir
It mixes, it is finally clean with distilled water cleaning down, and pH value is adjusted to neutrality with distilled water, the carbon cloth prepared is put into 70 DEG C
It is dried in baking oven spare for 24 hours.
(2)α-Ni(OH)2The synthesis of/CC nanometer sheet:
By 1.45 Nickelous nitrate hexahydrates (Ni (NO3)2·6H2) and 2.1g hexamethylenetetramine (C O6H12N4) both be dissolved in
In 55mL deionized water, strong magnetic stirs 30min at room temperature, until being uniformly mixed, then, which is transferred to 100 milliliters
Teflon-lined stainless steel autoclave is put into the carbon cloth handled in the step (1) in reaction kettle, and it is anti-to carry out hydro-thermal
It answers, reaction temperature is 80 DEG C, reaction time 10h, it is to be cooled to arrive room temperature, carbon cloth is respectively rinsed 3 times with water and ethyl alcohol respectively, so
After be placed on 60 DEG C of vacuum bakeout 12h, finally, obtaining α-Ni (OH)2/CC。
Further, the stirring and cleaning process in the step (1), it is too fierce that amplitude is not easy, and guarantees the microcosmic knot of carbon cloth
Structure marshalling does not influence the quality of growth in situ.
Not limited to this, any change or replacement expected without creative work should all be covered in guarantor of the invention
Within the scope of shield.Therefore, protection scope of the present invention should be determined by the scope of protection defined in the claims.
Claims (6)
1. a step growth in situ is in the synthetic method of the class alpha-phase nickel hydroxide nanometer sheet of carbon cloth substrate, comprising the following steps:
(1) pretreatment of carbon cloth:
Carbon cloth (CC) is cut into the fritter (2cm*2cm) of suitable dimension, uses 0.5mol/L H at room temperature2SO4It is completely soaked carbon cloth
And ultrasound 30min, then carbon cloth is pulled out, with excessive 80 DEG C of 30%H2O2Solution oil bath 1.5h, simultaneous stirring,
It is finally clean with distilled water cleaning down, and pH value is adjusted to neutrality with distilled water, the carbon cloth prepared is put into 70 DEG C of baking ovens
Middle baking is spare for 24 hours.
(2) synthesis of class alpha-phase nickel hydroxide nanometer sheet:
By Nickelous nitrate hexahydrate (Ni (NO3)2·6H2) and hexamethylenetetramine (C O6H12N4) be dissolved in 55mL deionized water, in room
Strong magnetic stirs 30min under temperature, until being uniformly mixed, then, which is transferred to 100 milliliters of Teflon-lined stainless steel high pressures
Reaction kettle is put into the carbon cloth handled in the step (1) in reaction kettle, carries out hydro-thermal reaction, to be cooled to arrive room temperature, by carbon cloth
It is respectively rinsed 3 times with water and ethyl alcohol respectively, is then placed within 60 DEG C of vacuum bakeout 12h, finally, obtaining α-Ni (OH)2/CC。
2. step growth in situ according to claim 1 is in the synthetic method of the class alpha-phase nickel hydroxide nanometer sheet of carbon cloth substrate,
It is characterized by: stirring and cleaning process in the step (1), guarantee carbon cloth microstructure marshalling, do not influence original position
The quality of growth.
3. step growth in situ according to claim 1 is in the synthetic method of the class alpha-phase nickel hydroxide nanometer sheet of carbon cloth substrate,
It is characterized by: Ni (the NO in the step (2)3)2·6H2O and C6H12N4The mass ratio of the material be 5:7.5, six methines four
The amount of amine is more, guarantees that nickel nitrate forms hydroxide completely.
4. step growth in situ according to claim 1 is in the synthetic method of the class alpha-phase nickel hydroxide nanometer sheet of carbon cloth substrate,
The dosage that can change hexamethylenetetramine, by the molar ratio of Nickelous nitrate hexahydrate and hexamethylenetetramine 1:1 to 1:3 it
Between, dosage is different, and the pattern and crystal phase of the nanometer sheet of synthesis change.
5. step growth in situ according to claim 1 is in the synthetic method of the class alpha-phase nickel hydroxide nanometer sheet of carbon cloth substrate,
The temperature range of hydro-thermal reaction: 80 DEG C -200 DEG C, reaction time 10h, having probed into temperature influences the feature of nanometer sheet pattern.
6. step growth in situ according to claim 1 is in the synthetic method of the class alpha-phase nickel hydroxide nanometer sheet of carbon cloth substrate,
It is characterized by: the best hydrothermal reaction condition in the step (2) is 140 DEG C, time 10h.
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Cited By (5)
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| CN110565113A (en) * | 2019-08-21 | 2019-12-13 | 井冈山大学 | Preparation method of composite electrocatalytic material for alkaline electrocatalytic hydrogen evolution |
| CN111129515A (en) * | 2019-12-30 | 2020-05-08 | 华南理工大学 | Heterostructure self-supporting electrode material and preparation method and application thereof |
| CN111508729A (en) * | 2020-03-30 | 2020-08-07 | 江苏大学 | Manganous-manganic oxide/carbon cloth composite electrode material and preparation method thereof |
| CN112359373A (en) * | 2019-07-24 | 2021-02-12 | 中国科学院福建物质结构研究所 | Amorphous composite material, preparation method and application thereof |
| CN113470993A (en) * | 2021-07-01 | 2021-10-01 | 浙江大学 | Nickel hydroxide nano array/carbon cloth electrode material and preparation method thereof |
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| CN111508729B (en) * | 2020-03-30 | 2022-04-26 | 江苏大学 | Manganous-manganic oxide/carbon cloth composite electrode material and preparation method thereof |
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