CN110280244A - A kind of carbon dioxide electrochemical reduction catalyst and preparation method thereof - Google Patents
A kind of carbon dioxide electrochemical reduction catalyst and preparation method thereof Download PDFInfo
- Publication number
- CN110280244A CN110280244A CN201910643155.XA CN201910643155A CN110280244A CN 110280244 A CN110280244 A CN 110280244A CN 201910643155 A CN201910643155 A CN 201910643155A CN 110280244 A CN110280244 A CN 110280244A
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- preparation
- electrochemical reduction
- reduction catalyst
- dioxide electrochemical
- 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
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 35
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 34
- 239000003054 catalyst Substances 0.000 title claims abstract description 30
- 230000009467 reduction Effects 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000002131 composite material Substances 0.000 claims abstract description 25
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052802 copper Inorganic materials 0.000 claims abstract description 16
- 239000010949 copper Substances 0.000 claims abstract description 16
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 11
- 239000010439 graphite Substances 0.000 claims abstract description 11
- -1 graphite alkene Chemical class 0.000 claims abstract description 9
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229940112669 cuprous oxide Drugs 0.000 claims abstract description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 229910021389 graphene Inorganic materials 0.000 claims description 15
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 14
- 239000000243 solution Substances 0.000 claims description 14
- 229910052786 argon Inorganic materials 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 238000001354 calcination Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000011259 mixed solution Substances 0.000 claims description 9
- 238000001694 spray drying Methods 0.000 claims description 9
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 229910052573 porcelain Inorganic materials 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 abstract description 4
- 238000006722 reduction reaction Methods 0.000 description 15
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 12
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 235000019253 formic acid Nutrition 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000013019 agitation Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- DAZWMJDZEPDDGO-UHFFFAOYSA-N [O].[O].[Cu] Chemical group [O].[O].[Cu] DAZWMJDZEPDDGO-UHFFFAOYSA-N 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000001722 carbon compounds Chemical class 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 238000001291 vacuum drying 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
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- 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
- B01J23/72—Copper
-
- B01J35/33—
-
- B01J35/39—
-
- 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
-
- 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
- C25B3/00—Electrolytic production of organic compounds
- C25B3/20—Processes
- C25B3/25—Reduction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention belongs to the technical field of Carbon dioxide electrochemical reduction, it is specifically related to a kind of carbon dioxide electrochemical reduction catalyst and preparation method thereof.The catalyst is copper oxide-cuprous oxide composite graphite alkene composite material.The catalyst has both high electro catalytic activity and selectivity to carbon dioxide reduction, can especially significantly improve the energy efficiency utilized to carbon dioxide;Furthermore the preparation method is easy to operate, green, yield is high, has a extensive future.
Description
Technical field
The invention belongs to the technical field of Carbon dioxide electrochemical reduction, it is specifically related to a kind of carbon dioxide electrochemistry also
Raw catalyst and preparation method thereof.
Background technique
The large-scale application of fossil fuel causes the excessive emissions of carbon dioxide, since carbon dioxide increases in atmosphere
And lead to global warming.To solve the above-mentioned problems, people utilize renewable resource such as solar energy, wind energy, tide energy institute
Electric energy of generation etc. by carbon dioxide excessive in atmosphere through electrochemical reduction, be converted into the valuable raw material of industry such as methane,
Methanol, formic acid etc., thus the method for electrochemically reducing carbon dioxide be it is a kind of cleaning, efficiently, environmental protection method.
However since carbon dioxide is one of the carbon compound of thermodynamicaHy most stable, it is translated into other carbonizations
It closes object and needs high energy reducing agent or external energy source.Carbon dioxide has been reported can be by a variety of different metals such as copper, silver, tin
Equal electrochemical reductions prepare carbon monoxide, methane, methanol, formic acid etc., and if metallic tin has very strong selectivity to formic acid, formic acid is produced
Rate can be up to 95%, and however as the progress of reduction reaction, sheet tin electrode surface can generate metal organic complex, accelerate liberation of hydrogen
Rate reduces the yield of formic acid.For another example silver catalyst is carbon monoxide selectivity with higher to carbon dioxide reduction, however
Shortcoming is to need higher overpotential.It is well known that ideal elctro-catalyst needs to meet under lower overpotential, with
Can higher current efficiency generates single product, therefore develop a kind of new structural catalyst and just be shown with meeting above-mentioned requirements
It obtains most important.
Summary of the invention
It is an object of the invention to provide a kind of carbon dioxide electrochemical reduction catalyst for above-mentioned defect
And preparation method thereof, which has both high electro catalytic activity and selectivity to carbon dioxide reduction, especially can significantly mention
The energy efficiency that height utilizes carbon dioxide;Furthermore the preparation method is easy to operate, green, yield is high, has a extensive future.
The technical solution of the present invention is as follows: a kind of carbon dioxide electrochemical reduction catalyst, the catalyst is copper oxide-oxygen
Change the composite material of cuprous composite graphite alkene.
The preparation method of the carbon dioxide electrochemical reduction catalyst, comprising the following steps:
(1) spray drying process prepares presoma: weigh copper chloride be dissolved in obtaining copper chloride in deionized water it is water-soluble
Liquid;Under agitation, copper chloride solution is added into graphene oxide water solution, is uniformly mixing to obtain mixed solution;
Mixed solution is spray-dried, product is collected, obtains presoma;
(2) calcining prepares composite material: taking step (1) to prepare resulting presoma and is laid on porcelain boat bottom, is placed in tube furnace
In, it is passed through argon gas and keeps being calcined under whole argon gas, furnace cooling after calcining, collect product to get copper oxide-oxygen
Change the composite material of cuprous composite graphite alkene.
Copper chloride is 0.1~0.5g in the step (1), and deionized water is 100~200mL;Graphene oxide water solution
For 100~200mL, wherein graphene oxide is 1~5mg/mL using Hummer method preparation gained, concentration.
The actual conditions being spray-dried in the step (1) are as follows: 150~200 DEG C of temperature, 1~10mL/min of charging rate.
Presoma is 0.1~1g in the step (2).
Argon gas is passed through with the speed of 100~200mL/min in the step (2);The actual conditions of calcining are as follows: with 1~5
DEG C/heating rate of min is warming up to 200~300 DEG C, heat preservation 1~3 hour after the completion of heating.
The invention has the benefit that graphene and copper-based material are organically incorporated in one using spray drying by the present invention
It rises, finally obtains copper oxide-cuprous oxide composite graphite alkene composite material, and by the copper oxide-cuprous oxide composite graphite
The composite material of alkene is applied in carbon dioxide electro-catalysis reduction as a kind of catalyst haveing excellent performance, also to carbon dioxide
Original has both high electro catalytic activity and selectivity, can especially significantly improve the energy efficiency utilized to carbon dioxide.
The precursor liquid of copper and graphene oxide dispersion are spray-dried by the catalyst with the method for spray drying,
It is subsequently placed in tube furnace and is calcined under the atmosphere of argon gas, obtain copper oxide-oxygen using oxygen atom rich in graphene oxide
Change cuprous composite graphite alkene material and is obtained applied to electro-catalysis carbon dioxide reduction by Effective Regulation catalyst preparation conditions
High-specific surface area copper-based catalysts with special appearance and structure greatly improve contact of the carbon dioxide with catalyst and compare table
Area to provide more catalytic active sites, while improving faradic efficiency.
Detailed description of the invention
Fig. 1 is that working electrode load has copper oxide described in embodiment 1-3-cuprous oxide composite graphite alkene catalyst, in CO2
The 0.5M KHCO of saturation31 hour production formic acid faradic efficiency is electrolysed in solution.It will become apparent from embodiment 1 by Fig. 1 to prepare
Obtained catalyst can significantly improve faradic efficiency.
Specific embodiment
Below by embodiment, the present invention will be described in detail.
Specific step is as follows using the preparation of Hummer method for graphene oxide water solution used: taking 1g natural graphite, 23mL
Dense H2SO4And 0.5gNaNO3, it pours into the three-necked flask of 250mL, is placed in ice-water bath, in 4 DEG C of 0.5h stirred below, and
KMnO is added in whipping process by several times43g, after addition, insulation reaction 2h.Complete low-temp reaction.System temperature is increased
To 35 DEG C, insulation reaction 3h.Medium temperature reaction is completed, system temperature is risen to 100 DEG C, and 46mL distillation is added dropwise with constant pressure funnel
Water reacts 1h.Complete pyroreaction.After reaction, 70mL distilled water and 10mL hydrogen peroxide is added, persistently stirs 15min, connects
Filter while hot, and product is washed till pH value close to 7 with a large amount of HCl (volume fraction 5%) and distilled water.Finally, by gained
Graphite oxide is dispersed in water, and ultrasonic 8h is placed in a vacuum drying oven drying for standby.
Embodiment 1
The preparation method of the carbon dioxide electrochemical reduction catalyst, comprising the following steps:
(1) spray drying process prepares presoma: weighing 0.2g copper chloride and is dissolved in obtaining chlorine in 150mL deionized water
Change copper liquor;Under agitation, copper chloride solution is added water-soluble to the graphene oxide that 150mL concentration is 2mg/mL
In liquid, it is uniformly mixing to obtain mixed solution;By mixed solution temperature be 180 DEG C, charging rate be 5mL/min under conditions of into
Row spray drying, collects product, obtains presoma;
(2) calcining prepares composite material: taking step (1) to prepare resulting presoma 0.3g and is laid on porcelain boat bottom, is placed in pipe
It is calcined in formula furnace, argon gas is passed through with the speed of 150mL/min and keeps whole argon gas, with the heating rate liter of 2 DEG C/min
Temperature is to 250 DEG C, heat preservation 2 hours after the completion of heating, and furnace cooling after calcining collects product to get copper oxide-cuprous oxide
The composite material of composite graphite alkene.
Embodiment 2
The preparation method of the carbon dioxide electrochemical reduction catalyst, comprising the following steps:
(1) spray drying process prepares presoma: weighing 0.1g copper chloride and is dissolved in obtaining chlorine in 100mL deionized water
Change copper liquor;Under agitation, copper chloride solution is added water-soluble to the graphene oxide that 100mL concentration is 1mg/mL
In liquid, it is uniformly mixing to obtain mixed solution;By mixed solution temperature be 150 DEG C, charging rate be 1mL/min under conditions of into
Row spray drying, collects product, obtains presoma;
(2) calcining prepares composite material: taking step (1) to prepare resulting presoma 0.1g and is laid on porcelain boat bottom, is placed in pipe
It is calcined in formula furnace, argon gas is passed through with the speed of 100mL/min and keeps whole argon gas, with the heating rate liter of 1 DEG C/min
Temperature is to 200 DEG C, heat preservation 1 hour after the completion of heating, and furnace cooling after calcining collects product to get copper oxide-cuprous oxide
The composite material of composite graphite alkene.
Embodiment 3
The preparation method of the carbon dioxide electrochemical reduction catalyst, comprising the following steps:
(1) spray drying process prepares presoma: weighing 0.5g copper chloride and is dissolved in obtaining chlorine in 200mL deionized water
Change copper liquor;Under agitation, copper chloride solution is added water-soluble to the graphene oxide that 200mL concentration is 5mg/mL
In liquid, it is uniformly mixing to obtain mixed solution;By mixed solution temperature be 200 DEG C, charging rate be 10mL/min under conditions of
It is spray-dried, collects product, obtain presoma;
(2) calcining prepares composite material: taking step (1) to prepare resulting presoma 1g and is laid on porcelain boat bottom, is placed in tubular type
It is calcined in furnace, argon gas is passed through with the speed of 200mL/min and keeps whole argon gas, heated up with the heating rate of 5 DEG C/min
To 300 DEG C, it is multiple to get copper oxide-cuprous oxide to collect product for heat preservation 3 hours after the completion of heating, furnace cooling after calcining
Close the composite material of graphene.
Claims (6)
1. a kind of carbon dioxide electrochemical reduction catalyst, which is characterized in that the catalyst is that copper oxide-cuprous oxide is compound
The composite material of graphene.
2. a kind of preparation method of carbon dioxide electrochemical reduction catalyst described in claim 1, which is characterized in that including following
Step:
(1) spray drying process prepares presoma: weighing copper chloride and is dissolved in obtaining copper chloride solution in deionized water;?
Under stirring condition, copper chloride solution is added into graphene oxide water solution, is uniformly mixing to obtain mixed solution;It will mixing
Solution is spray-dried, and is collected product, is obtained presoma;
(2) calcining prepares composite material: taking step (1) to prepare resulting presoma and is laid on porcelain boat bottom, be placed in tube furnace, leads to
Enter argon gas and keep being calcined under whole argon gas, furnace cooling after calcining, it is sub- to get copper oxide-oxidation to collect product
The composite material of copper composite graphite alkene.
3. the preparation method of carbon dioxide electrochemical reduction catalyst according to claim 2, which is characterized in that the step
(1) copper chloride is 0.1~0.5g in, and deionized water is 100~200mL;Graphene oxide water solution is 100~200mL, wherein
Graphene oxide is 1~5mg/mL using Hummer method preparation gained, concentration.
4. the preparation method of carbon dioxide electrochemical reduction catalyst according to claim 2, which is characterized in that the step
(1) actual conditions being spray-dried in are as follows: 150~200 DEG C of temperature, 1~10mL/min of charging rate.
5. the preparation method of carbon dioxide electrochemical reduction catalyst according to claim 3, which is characterized in that the step
(2) presoma is 0.1~1g in.
6. the preparation method of carbon dioxide electrochemical reduction catalyst according to claim 4, which is characterized in that the step
(2) argon gas is passed through with the speed of 100~200mL/min in;The actual conditions of calcining are as follows: with the heating rate liter of 1~5 DEG C/min
Temperature is to 200~300 DEG C, heat preservation 1~3 hour after the completion of heating.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910643155.XA CN110280244A (en) | 2019-07-17 | 2019-07-17 | A kind of carbon dioxide electrochemical reduction catalyst and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910643155.XA CN110280244A (en) | 2019-07-17 | 2019-07-17 | A kind of carbon dioxide electrochemical reduction catalyst and preparation method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110280244A true CN110280244A (en) | 2019-09-27 |
Family
ID=68023080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910643155.XA Pending CN110280244A (en) | 2019-07-17 | 2019-07-17 | A kind of carbon dioxide electrochemical reduction catalyst and preparation method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110280244A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111589448A (en) * | 2020-06-08 | 2020-08-28 | 中国石油大学(华东) | Carbon dioxide electro-reduction catalyst with ultrahigh gas phase selectivity |
CN112978783A (en) * | 2021-02-19 | 2021-06-18 | 中国科学技术大学 | Cuprous oxide nano material, preparation method and application thereof |
CN114749176A (en) * | 2022-04-21 | 2022-07-15 | 昆明冶金研究院有限公司 | Copper catalyst for synthesizing methyl chlorosilane and preparation method thereof |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102716743A (en) * | 2012-06-14 | 2012-10-10 | 东华大学 | Method for preparing aqueous dispersion nano-cuprous oxide/graphene composite powder |
US20120315550A1 (en) * | 2009-12-11 | 2012-12-13 | Ningbo Institute Of Materials Technology And Engineering, Chinese Academy Of Sciences | Graphene-modified lithium iron phosphate positive electrode active material, preparation of the same and lithium-ion secondary cell |
CN105047916A (en) * | 2015-06-23 | 2015-11-11 | 上海交通大学 | Method for improving electrochemical properties of lithium iron phosphate with copper/graphene |
WO2015184388A1 (en) * | 2014-05-29 | 2015-12-03 | Liquid Light, Inc. | Method and system for electrochemical reduction of carbon dioxide employing a gas diffusion electrode |
CN107500273A (en) * | 2017-09-25 | 2017-12-22 | 河北工业大学 | A kind of preparation method of graphene/copper composite powders material |
-
2019
- 2019-07-17 CN CN201910643155.XA patent/CN110280244A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120315550A1 (en) * | 2009-12-11 | 2012-12-13 | Ningbo Institute Of Materials Technology And Engineering, Chinese Academy Of Sciences | Graphene-modified lithium iron phosphate positive electrode active material, preparation of the same and lithium-ion secondary cell |
CN102716743A (en) * | 2012-06-14 | 2012-10-10 | 东华大学 | Method for preparing aqueous dispersion nano-cuprous oxide/graphene composite powder |
WO2015184388A1 (en) * | 2014-05-29 | 2015-12-03 | Liquid Light, Inc. | Method and system for electrochemical reduction of carbon dioxide employing a gas diffusion electrode |
CN105047916A (en) * | 2015-06-23 | 2015-11-11 | 上海交通大学 | Method for improving electrochemical properties of lithium iron phosphate with copper/graphene |
CN107500273A (en) * | 2017-09-25 | 2017-12-22 | 河北工业大学 | A kind of preparation method of graphene/copper composite powders material |
Non-Patent Citations (1)
Title |
---|
XIAOYAN ZHOU ET AL.: "Microwave-assisted synthesis of hollow CuO-Cu2O nanosphere/graphene composite as anode for lithium-ion battery", 《JOURNAL OF ALLOYS AND COMPOUNDS》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111589448A (en) * | 2020-06-08 | 2020-08-28 | 中国石油大学(华东) | Carbon dioxide electro-reduction catalyst with ultrahigh gas phase selectivity |
CN112978783A (en) * | 2021-02-19 | 2021-06-18 | 中国科学技术大学 | Cuprous oxide nano material, preparation method and application thereof |
CN114749176A (en) * | 2022-04-21 | 2022-07-15 | 昆明冶金研究院有限公司 | Copper catalyst for synthesizing methyl chlorosilane and preparation method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105609795B (en) | Biomass carbon/difunctional VPO catalysts of ferro-cobalt bimetallic oxide and its preparation method and application | |
CN102790223B (en) | Carbon-carried multi-metal polypyrrole oxygen reduction catalyst and preparation method thereof | |
CN110743603B (en) | Cobalt-iron bimetal nitride composite electrocatalyst and preparation method and application thereof | |
CN108588748B (en) | Method for preparing methane and ethylene by electrochemical reduction of carbon dioxide | |
CN107020075B (en) | Simple substance bismuth catalyst for electrochemical reduction of carbon dioxide and preparation and application thereof | |
CN110280244A (en) | A kind of carbon dioxide electrochemical reduction catalyst and preparation method thereof | |
CN110813350B (en) | Carbon-based composite electrocatalyst and preparation method and application thereof | |
CN109576730B (en) | Preparation method and application of iron-modified cobaltosic oxide nanosheet array electrode | |
JP7434372B2 (en) | Method for producing nickel-iron catalyst material, use in oxygen evolution reaction, method for producing hydrogen and/or oxygen by water electrolysis, and method for producing liquid solar fuel | |
CN107497468B (en) | Preparation method and application of nickel hydroxide modified graphite-phase carbon nitride composite photocatalyst | |
CN108299656B (en) | Trinuclear copper cluster-based coordination polymer, preparation method and application thereof | |
CN113136597B (en) | Copper-tin composite material and preparation method and application thereof | |
CN110965076A (en) | Preparation method of electrolytic water electrode with double-function three-dimensional layered core-shell structure | |
CN108315759B (en) | A kind of Cu of vanadium modification2S self-supporting electrode material and its synthetic method | |
CN109939711A (en) | Glycerol auxiliary water decomposing hydrogen-production and the bifunctional electrocatalyst and preparation method of glycerol oxidation | |
CN114477163A (en) | Iron/nitrogen co-doped single-atom carbon catalyst and preparation method thereof | |
CN107699919B (en) | Fe2-1.5xMoxS2- RGO hybrid catalyst and its preparation method and application | |
CN110195234B (en) | Electrooxidation preparation method of copper-cuprous oxide-copper oxide core-shell structure oxygen evolution electrode | |
CN106486680A (en) | A kind of preparation method of phosphatization stainless steel electrolytic water catalysis material | |
CN113774425B (en) | Preparation method and application of Ru-modified FeCo @ NF electrocatalyst | |
CN113026031A (en) | Electrode material, preparation method and application thereof, and assembled water electrolysis device | |
CN113862715A (en) | Multivalent copper nano material, preparation method thereof and application of multivalent copper nano material as electrocatalyst in carbon capture technology | |
CN113151859A (en) | Preparation method and application of copper-indium composite catalyst | |
CN112458485A (en) | CoFe2O4/F-Ag2MoO4Method for preparing composite material | |
CN109647476A (en) | A kind of preparation method of metal and the compound HER catalyst of metal oxide |
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: 20190927 |