CN109622014A - A kind of preparation method of the catalyst of electro-catalysis oxygen generation hydrogen peroxide - Google Patents
A kind of preparation method of the catalyst of electro-catalysis oxygen generation hydrogen peroxide Download PDFInfo
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- CN109622014A CN109622014A CN201811517536.5A CN201811517536A CN109622014A CN 109622014 A CN109622014 A CN 109622014A CN 201811517536 A CN201811517536 A CN 201811517536A CN 109622014 A CN109622014 A CN 109622014A
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- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 title claims abstract description 57
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000001301 oxygen Substances 0.000 title claims abstract description 34
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 34
- 239000003054 catalyst Substances 0.000 title claims abstract description 33
- 238000006555 catalytic reaction Methods 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 239000000975 dye Substances 0.000 claims abstract description 20
- 241000233866 Fungi Species 0.000 claims abstract description 14
- 238000005406 washing Methods 0.000 claims abstract description 11
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229920000557 Nafion® Polymers 0.000 claims abstract description 5
- 239000012298 atmosphere Substances 0.000 claims abstract description 5
- 239000011261 inert gas Substances 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 238000004108 freeze drying Methods 0.000 claims abstract description 4
- 239000006185 dispersion Substances 0.000 claims abstract description 3
- 238000001914 filtration Methods 0.000 claims abstract description 3
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 10
- 241000894006 Bacteria Species 0.000 claims description 5
- MPVDXIMFBOLMNW-ISLYRVAYSA-N 7-hydroxy-8-[(E)-phenyldiazenyl]naphthalene-1,3-disulfonic acid Chemical compound OC1=CC=C2C=C(S(O)(=O)=O)C=C(S(O)(=O)=O)C2=C1\N=N\C1=CC=CC=C1 MPVDXIMFBOLMNW-ISLYRVAYSA-N 0.000 claims description 4
- 241000222344 Irpex lacteus Species 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 241000228212 Aspergillus Species 0.000 claims description 3
- 241000222393 Phanerochaete chrysosporium Species 0.000 claims description 3
- SWGJCIMEBVHMTA-UHFFFAOYSA-K trisodium;6-oxido-4-sulfo-5-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2-sulfonate Chemical compound [Na+].[Na+].[Na+].C1=CC=C2C(N=NC3=C4C(=CC(=CC4=CC=C3O)S([O-])(=O)=O)S([O-])(=O)=O)=CC=C(S([O-])(=O)=O)C2=C1 SWGJCIMEBVHMTA-UHFFFAOYSA-K 0.000 claims description 3
- JUQPZRLQQYSMEQ-UHFFFAOYSA-N CI Basic red 9 Chemical compound [Cl-].C1=CC(N)=CC=C1C(C=1C=CC(N)=CC=1)=C1C=CC(=[NH2+])C=C1 JUQPZRLQQYSMEQ-UHFFFAOYSA-N 0.000 claims description 2
- 229940052223 basic fuchsin Drugs 0.000 claims description 2
- 239000001963 growth medium Substances 0.000 claims description 2
- 229940107698 malachite green Drugs 0.000 claims description 2
- FDZZZRQASAIRJF-UHFFFAOYSA-M malachite green Chemical compound [Cl-].C1=CC(N(C)C)=CC=C1C(C=1C=CC=CC=1)=C1C=CC(=[N+](C)C)C=C1 FDZZZRQASAIRJF-UHFFFAOYSA-M 0.000 claims description 2
- 239000002609 medium Substances 0.000 claims description 2
- 210000002394 ovarian follicle Anatomy 0.000 claims description 2
- 238000002845 discoloration Methods 0.000 claims 1
- NJDNXYGOVLYJHP-UHFFFAOYSA-L disodium;2-(3-oxido-6-oxoxanthen-9-yl)benzoate Chemical compound [Na+].[Na+].[O-]C(=O)C1=CC=CC=C1C1=C2C=CC(=O)C=C2OC2=CC([O-])=CC=C21 NJDNXYGOVLYJHP-UHFFFAOYSA-L 0.000 claims 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 14
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 239000003960 organic solvent Substances 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 21
- 238000004821 distillation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 241000562341 Flavodon flavus Species 0.000 description 4
- 238000001420 photoelectron spectroscopy Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 241001635641 Oxyporus <beetle> Species 0.000 description 3
- 241000222355 Trametes versicolor Species 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 2
- 150000004056 anthraquinones Chemical class 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 241000228245 Aspergillus niger Species 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 241000228150 Penicillium chrysogenum Species 0.000 description 1
- 241000222385 Phanerochaete Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009629 microbiological culture Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 239000002699 waste material Substances 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/24—Nitrogen compounds
-
- B01J35/33—
-
- B01J35/60—
-
- 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
- B01J37/082—Decomposition and pyrolysis
- B01J37/084—Decomposition of carbon-containing compounds into carbon
-
- 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
- B01J37/32—Freeze drying, i.e. lyophilisation
Abstract
The problem of the invention discloses the preparation methods that a kind of electro-catalysis oxygen generates the catalyst of hydrogen peroxide, are related to elctro-catalyst field, are to solve preparation high activity and highly selective elctro-catalyst.Specific step is as follows for the preparation method: step 1, adds dyestuff in the medium, cultivates fungi, obtains the hypha,hyphae containing dyestuff；Step 2 carries out filtering and washing, freeze-drying to the hypha,hyphae containing dyestuff, obtains gel；Gel is heat-treated in tube furnace with inert gas atmosphere, the first product is obtained；First product is uniformly mixed with water, isopropanol and Nafion solution, obtains dispersion liquid by step 3, is loaded on carbon paper to get to finished product.The present invention does not need other organic solvents, and environmental pollution is small, it is easy to accomplish industrialization, the finished product BET surface area of preparation is very big, with a large amount of micropore and mesoporous, and nitrogen, oxygen, phosphor codoping, with having efficient electro-catalysis oxygen reduction to generate hydrogen peroxide performance.
Description
Technical field
The present invention relates to elctro-catalyst field, specifically a kind of electro-catalysis oxygen generates the preparation of the catalyst of hydrogen peroxide
Method.
Background technique
Hydrogen peroxide, chemical formula H2O2, pure hydrogen peroxide is nattier blue thick liquid, can arbitrary proportion it is miscible with water, be
A kind of strong oxidizer, aqueous solution are commonly called as hydrogen peroxide, are colourless transparent liquid.
H2O2Wilderness demand so that this chemical substance is become in the world today one of substance in most important 100.For each
For the chemical industry and environment remediation of kind various kinds, H2O2It is a kind of potential energy source carrier, and is a kind of environmentally friendly oxygen
Agent, therefore effective, cheap H2O2Production is essential.
Current H2O2Compound probability process relates to a kind of anthraquinone oxidation-reduction process of high energy consumption, this requirement complexity,
Large-scale infrastructure, and generate the chemical substance waste of a large amount of volumes.It is straight by hydrogen and oxygen in the presence of a catalyst
It is bonded into H2O2It provides more direct approach and ideally solves the problems, such as related to indirect anthraquinone route.However, because
Hydrogen and oxygen mixing is possible to explosion, researcher aim at elimination explosion a possibility that, while find have can
Selectivity, active catalyst.For directly producing H2O2Another attracting, alternative route be to pass through electrification
Process undergoes two electronic channels to be made in a fuel cell.In recent years in the theoretic mesh largely made great efforts of fuel cell
Mark is effectively generation electricity, while a large amount of H of output2O2。
For two electronic channels, high activity and highly selective elctro-catalyst are a necessary conditions.Noble metal and they
Alloy be current most effective catalyst, small overpotential is required for hydrogen reduction, while to have high H2O2Selectivity is (high
Up to 98%).However, the shortage of noble metal perhaps hinders their large-scale application.
Summary of the invention
The purpose of the present invention is to provide the preparation methods that a kind of electro-catalysis oxygen generates the catalyst of hydrogen peroxide, with solution
Certainly the problems mentioned above in the background art.
To achieve the above object, the invention provides the following technical scheme:
A kind of preparation method of the catalyst of electro-catalysis oxygen generation hydrogen peroxide, the specific steps are as follows:
Step 1 adds dyestuff in the medium, cultivates fungi, obtains the hypha,hyphae containing dyestuff；
Step 2 carries out filtering and washing, freeze-drying to the hypha,hyphae containing dyestuff, obtains gel；Obtained gel is existed
It is heat-treated in tube furnace with inert gas atmosphere, obtains the first product；
First product is uniformly mixed by step 3 with water, isopropanol and Nafion solution, water, isopropanol and Nafion solution
Volume ratio is 7:2:1, obtains dispersion liquid, is loaded on carbon paper to get to finished product.
As a further solution of the present invention: in step 1 fungi include milky white rake teeth bacterium (Irpex lacteus 17),
Irpex lacteus (Irpex lacteus), ovarian follicle shape bracket fungus (Oxyporus pellicular), Phanerochaete chrysosporium
(Phanerochaete), Trametes versicolor (Trametes versicolor), aspergillus (Aspergillus niger) and mould
Any one in (Penicillium chrysogenum), milky white rake teeth bacterium is from China typical culture collection center
Number is AF2014020, and Phanerochaete chrysosporium comes from China typical culture collection center, and number is 96007 BKMF of AF
1767, Trametes versicolor comes from China General Microbiological culture presevation administrative center, number 5.1060, and mould is isolated from mildew
Cotton, number are CCTCC AF 2018004, and aspergillus is isolated from mildew cotton, and number is CCTCC AF 2018003, dyestuff packet
Include any one in directly Huang 8, acid red 18, malachite green, basic fuchsin, Reactive Violet 5 and gold orange-G.
As a further solution of the present invention: the temperature being heat-treated in step 2 is 650-890 degrees Celsius, time 0.5-
2.5 hour.
As a further solution of the present invention: in step 3 in carbon paper catalyst load capacity be 0.2-2.0 milligram/put down
Square centimetre.
As a further solution of the present invention: culture medium uses PDA culture solution in step 1.
As a further solution of the present invention: the temperature being freeze-dried in step 2 is subzero 8 to subzero 2 degrees Celsius.
As a further solution of the present invention: inert gas atmosphere is nitrogen atmosphere in step 2.
Doped with nitrogen, oxygen and phosphorus in finished product prepared by the present invention.
Compared with prior art, the beneficial effects of the present invention are:
The present invention prepares nitrogen, oxygen, phosphor codoping porous carbon electro-catalysis with the hypha,hyphae for having dyestuff is carbon source, nitrogen source and phosphorus source
Agent, presoma source organism method generate, and environmental pollution is small；Other organic solvents are not needed in entire method for preparing catalyst,
It is easily industrialized.
Nitrogen prepared by the present invention, oxygen, phosphor codoping porous carbon elctro-catalyst, with having efficient electro-catalysis oxygen reduction
Generate hydrogen peroxide performance.
Nitrogen prepared by the present invention, oxygen, phosphor codoping porous carbon elctro-catalyst, BET surface area is very big, has a large amount of micro-
Hole and mesoporous, and nitrogen, oxygen, phosphor codoping；This material supercapacitor, lithium ion battery, organic catalysis, photocatalysis,
The various fields such as gas absorption have potential application value.
Detailed description of the invention
Fig. 1 is the product that the embodiment 1 of the preparation method for the catalyst that electro-catalysis oxygen generates hydrogen peroxide is prepared
Stereoscan photograph.
Fig. 2 is the product that the embodiment 1 of the preparation method for the catalyst that electro-catalysis oxygen generates hydrogen peroxide is prepared
C photoelectron spectroscopy figure.
Fig. 3 is the product that the embodiment 1 of the preparation method for the catalyst that electro-catalysis oxygen generates hydrogen peroxide is prepared
N photoelectron spectroscopy figure.
Fig. 4 is the product that the embodiment 1 of the preparation method for the catalyst that electro-catalysis oxygen generates hydrogen peroxide is prepared
O photoelectron spectroscopy figure.
Fig. 5 is the product that the embodiment 1 of the preparation method for the catalyst that electro-catalysis oxygen generates hydrogen peroxide is prepared
P photoelectron spectroscopy figure.
Fig. 6 is the product that the embodiment 1 of the preparation method for the catalyst that electro-catalysis oxygen generates hydrogen peroxide is prepared
BET result figure.
Fig. 7 is the product that embodiment 1 is prepared in the preparation method for the catalyst that electro-catalysis oxygen generates hydrogen peroxide
Electro-catalysis oxygen reduction generates hydrogen peroxide performance map.
Fig. 8 is the product that embodiment 1 is prepared in the preparation method for the catalyst that electro-catalysis oxygen generates hydrogen peroxide
The faradic efficiency figure of electro-catalysis oxygen reduction generation hydrogen peroxide.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
Weigh dyestuff directly 8(4 milligrams of Huang), it is added in PDA culture solution, selection Irpex flavus KL. fungi, 28 degrees Celsius,
It is cultivated 6 days under the conditions of 121 rpm.Product distillation washing, filtered off with suction obtain clean hypha,hyphae.It is freezed dry
It is dry, obtain dried object.It is heat-treated in tube furnace with nitrogen atmosphere, 650 degrees Celsius, the time 1.5 hours.Obtain finished product.
The finished product of embodiment 1 is tested for the property, faradic efficiency is measured and reaches 95% or more.
Embodiment 2
Dyestuff acid red 18 (6 milligrams) are weighed, are added in PDA culture solution, are selectedIrpex lacteusFungi, 28 degrees Celsius,
It is cultivated 6 days under the conditions of 121 rpm.Product distillation washing, filtered off with suction obtain clean hypha,hyphae.To it subzero 5
Degree Celsius freeze-drying, obtain dried object.It is heat-treated in tube furnace with nitrogen atmosphere, 890 degrees Celsius, the time 1 is small
When.Obtain finished product.
Embodiment 3
It is pinkish red (4 milligrams) to weigh dye base, is added in PDA culture solution, selects Oxyporus pellicular (Jungh.)
Ryv fungi, is cultivated 6 days under the conditions of 121 rpm by 28 degrees Celsius.Product distillation washing, filtered off with suction obtain clean fungi
Mycelia.It is freeze-dried, dried object is obtained.It is heat-treated in tube furnace with nitrogen atmosphere, 700 degrees Celsius, the time
2.0 hour.Obtain finished product.
Embodiment 4
Weigh 5(3 milligrams of dye activity purple) it is added in PDA culture solution, it selects Oxyporus pellicular (Jungh.)
Ryv fungi, is cultivated 6 days under the conditions of 121 rpm by 28 degrees Celsius.Product distillation washing, filtered off with suction obtain clean true
Bacterium mycelia.It is freeze-dried, dried object is obtained.It is heat-treated in tube furnace with nitrogen atmosphere, 850 degrees Celsius, the time
1.0 hour.Obtain finished product.
Embodiment 5
It weighs dyestuff gold orange-G (4 milligrams) to be added in PDA culture solution, selection Irpex flavus KL. fungi, 28 degrees Celsius, 121
It is cultivated 6 days under the conditions of rpm.Product distillation washing, filtered off with suction obtain clean hypha,hyphae.It is freeze-dried, is obtained
To dried object.It is heat-treated in tube furnace with nitrogen atmosphere, 800 degrees Celsius, the time 2.5 hours.Obtain finished product.
Embodiment 6
It weighs dyestuff gold orange-G (4 milligrams) to be added in PDA culture solution, selection Irpex flavus KL. fungi, 28 degrees Celsius, 121
It is cultivated 6 days under the conditions of rpm.Product distillation washing, filtered off with suction obtain clean hypha,hyphae.It is freeze-dried, is obtained
To dried object.It is heat-treated in tube furnace with nitrogen atmosphere, 780 degrees Celsius, the time 3.0 hours.Obtain finished product.
Embodiment 7
Weigh 5(4 milligrams of dye activity purple) it is added in PDA culture solution, it selectsIrpex lacteusFungi, 28 degrees Celsius, 121
It is cultivated 6 days under the conditions of rpm.Product distillation washing, filtered off with suction obtain clean hypha,hyphae.It is freeze-dried, is obtained
To dried object.It is heat-treated in tube furnace with nitrogen atmosphere, 750 degrees Celsius, the time 1.0 hours.Obtain finished product.
Embodiment 8
Weigh 5(4 milligrams of dye activity purple) it is added in PDA culture solution, selection Irpex flavus KL. fungi, 28 degrees Celsius,
It is cultivated 6 days under the conditions of 121 rpm.Product distillation washing, filtered off with suction obtain clean hypha,hyphae.It is freezed dry
It is dry, obtain dried object.It is heat-treated in tube furnace with nitrogen atmosphere, 830 degrees Celsius, the time 2.5 hours.Obtain finished product.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. the preparation method that a kind of electro-catalysis oxygen generates the catalyst of hydrogen peroxide, which is characterized in that specific step is as follows:
Step 1 adds dyestuff in the medium, cultivates fungi, obtains the hypha,hyphae containing dyestuff；
Step 2 carries out filtering and washing, freeze-drying to the hypha,hyphae containing dyestuff, obtains gel；Obtained gel is existed
It is heat-treated in tube furnace with inert gas atmosphere, obtains the first product；
First product is uniformly mixed by step 3 with water, isopropanol and Nafion solution, water, isopropanol and Nafion solution
The ratio between volume is 7:2:1, obtains dispersion liquid, is loaded on carbon paper to get to finished product.
2. the preparation method that electro-catalysis oxygen according to claim 1 generates the catalyst of hydrogen peroxide, which is characterized in that
Fungi includes milky white rake teeth bacterium, Irpex lacteus, ovarian follicle shape bracket fungus, Phanerochaete chrysosporium, discoloration bolt in the step 1
Any one in bacterium, aspergillus and mould, dyestuff include directly yellow 8, acid red 18, malachite green, basic fuchsin, Reactive Violet 5
With any one in gold orange-G.
3. the preparation method that electro-catalysis oxygen according to claim 1 generates the catalyst of hydrogen peroxide, which is characterized in that
The temperature being heat-treated in the step 2 is 650-890 degrees Celsius, and the time is 0.5-2.5 hours.
4. the preparation method that electro-catalysis oxygen according to claim 1 generates the catalyst of hydrogen peroxide, which is characterized in that
The load capacity of catalyst is 0.2-2.0 milli gram/cm in carbon paper in the step 3.
5. electro-catalysis oxygen according to claim 1 or 2 generates the preparation method of the catalyst of hydrogen peroxide, feature exists
In culture medium uses PDA culture solution in the step 1.
6. the preparation method that electro-catalysis oxygen according to claim 1 generates the catalyst of hydrogen peroxide, which is characterized in that
The temperature being freeze-dried in the step 2 is subzero 8 to subzero 2 degrees Celsius.
7. electro-catalysis oxygen according to claim 1 or 6 generates the preparation method of the catalyst of hydrogen peroxide, feature exists
In inert gas atmosphere is nitrogen atmosphere in the step 2.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112264004A (en) * | 2020-11-25 | 2021-01-26 | 安徽大学 | Catalytic material based on tungstate and application thereof in hydrogen peroxide production through water oxidation |
| CN112390739A (en) * | 2020-11-06 | 2021-02-23 | 南京航空航天大学 | Catalyst for preparing hydrogen peroxide by electrocatalysis and preparation method thereof |
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