CN114395772A - Method for preparing proliferative chemicals by co-electrolyzing alkane and carbon dioxide with reduced energy consumption and electrolytic cell reactor - Google Patents
Method for preparing proliferative chemicals by co-electrolyzing alkane and carbon dioxide with reduced energy consumption and electrolytic cell reactor Download PDFInfo
- Publication number
- CN114395772A CN114395772A CN202111528463.1A CN202111528463A CN114395772A CN 114395772 A CN114395772 A CN 114395772A CN 202111528463 A CN202111528463 A CN 202111528463A CN 114395772 A CN114395772 A CN 114395772A
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- cathode
- anode
- chemicals
- electrolytic cell
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
- C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
-
- 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
- C25B1/23—Carbon monoxide or syngas
-
- 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
- C25B1/50—Processes
-
- 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
- C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
- C25B11/03—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form perforated or foraminous
- C25B11/031—Porous electrodes
- C25B11/032—Gas diffusion electrodes
-
- 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
- C25B11/042—Electrodes formed of a single 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
- C25B13/00—Diaphragms; Spacing elements
- C25B13/04—Diaphragms; Spacing elements characterised by the material
- C25B13/05—Diaphragms; Spacing elements characterised by the material based on inorganic materials
-
- 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
- C25B3/01—Products
- C25B3/03—Acyclic or carbocyclic hydrocarbons
-
- 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
- C25B3/26—Reduction of carbon dioxide
-
- 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
- C25B3/29—Coupling reactions
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention provides a method for preparing propagation chemistry by co-electrolyzing alkane and carbon dioxide with reduced energy consumptionThe method comprises the steps of preparing an electrolytic cell, wherein the electrolytic cell comprises an electrolyte membrane, and an anode and a cathode which are arranged on two sides of the electrolyte membrane, a first reaction chamber is arranged on one side of the anode, a second reaction chamber is arranged on one side of the cathode, the anode and the cathode are both composed of perovskite oxide, and the chemical formula of the perovskite oxide is CexSr1‑ xFe1‑xMoxO3‑δWherein x is any value greater than 0 and less than 1. In the present invention, CO-electrolysis of the cathode and anode is achieved when an electric current is applied between the cathode and anode, wherein the alkane can be dehydrocoupled at the anode side to form an alkene or arene, and CO2It can also be reduced by hydrogenation at the cathode side and simultaneously converted into hydrocarbons or value-added chemicals such as CO. The invention can obviously reduce the energy loss used by electrolysis, and simultaneously prepare high-value added chemicals, thereby being beneficial to the efficient utilization of alkane and the effective conversion of carbon dioxide.
Description
Technical Field
The invention relates to the technical field of solid oxide electrolytic cells, in particular to a method for preparing proliferative chemicals by co-electrolyzing alkane and carbon dioxide with reduced energy consumption and an electrolytic cell reactor.
Technical Field
In recent years, the development of society has led to an increasing demand for energy. With the increasing exhaustion of fossil fuels, the emission of carbon dioxide is remarkably increased, and the exhaustion of energy and environmental pollution become major problems in the sustainable development process in the world today. The discovery of new energy sources and the development of new energy conversion technologies are the subject of energy development, and the continuous discovery of shale gas provides a new energy source to replace fossil fuels. Therefore, how to realize efficient clean utilization of light alkanes is a very important energy development direction. Meanwhile, with the continuous development of the technology, the emission of carbon dioxide is increased day by day, and CO is discharged2Has profound significance for efficient clean conversion.
Solid oxide electrolysis cell by introducing CO at medium to high temperatures2Application of a certain current converts into more valuable fuels and chemicals, which are useful for treating CO in the chemical industry2Is a very attractive solution. CO generation by electrical energy2The conversion to value-added products such as CO is very valuable for environmental protection and chemical development. In addition, the increasing supply of hydrocarbon fuels has resulted in a gradual decrease in cost, and the use of hydrocarbon fuels to produce multi-carbon chemicals has great potential for the development of petrochemical industries. Solid oxide electrolytic cellThe operation temperature of the electrolytic cell is generally 400-900 ℃, and the high-temperature electrolysis has the advantage of higher energy conversion efficiency compared with the low-temperature electrolysis. Meanwhile, the high operation temperature can accelerate the electrode reaction rate, so that the overpotentials of the cathode and the anode are obviously reduced, and the energy loss in the electrolytic process is effectively reduced. In order to make the process of hydrogen production by electrolysis or value-added chemicals more efficient and further reduce the cost, the composition of a Solid Oxide Electrolytic Cell (SOEC) requires the following points: (1) the compact electrolyte membrane can meet the requirements of separation of gas on two sides and rapid transmission of ions; (2) the electrode material has good chemical stability and anti-carbon deposition capability in hydrocarbon fuel and carbon oxide; (3) the appropriate porosity and the high-activity three-phase interface can effectively improve the electrolytic efficiency; (4) good mechanical stress and strength meet the requirements of large-scale industrial production and use.
SOEC is currently composed mainly of oxygen ion conductor electrolyte, and proton conductor type electrolytic cells have also been developed in recent years for the electrolysis of hydrocarbon fuels. However, the main problem currently faced is the electrolysis of hydrocarbon fuels or CO2The current is too large, the energy loss is serious, and the stability of the electrode material is poor.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention aims to provide a method for CO-electrolyzing alkanes and carbon dioxide to produce proliferative chemicals with reduced energy consumption and an electrolytic cell reactor, and aims to solve the problem of the prior solid oxide electrolytic cell in electrolyzing hydrocarbon fuel or CO2The current is too large, the energy loss is serious, and the stability of the electrode material is poor.
The technical scheme of the invention is as follows:
an electrolytic cell reactor for co-electrolyzing alkane and carbon dioxide to prepare proliferative chemicals with reduced energy consumption comprises an electrolyte membrane, and an anode and a cathode which are arranged on two sides of the electrolyte membrane, wherein a first reaction chamber is arranged on one side of the anode, a second reaction chamber is arranged on one side of the cathode, the anode and the cathode are both composed of perovskite oxide, and the perovskite oxide is oxidizedThe chemical formula of the compound is CexSr1-xFe1-xMoxO3-δWherein x is any value greater than 0 and less than 1.
The electrolytic cell reactor for preparing the proliferation chemicals by co-electrolyzing alkane and carbon dioxide with reduced energy consumption is characterized in that the material of the electrolyte membrane is BaZr0.1Ce0.7Y0.2O3-δ。
The electrolytic cell reactor for preparing the proliferation chemicals by co-electrolyzing alkane and carbon dioxide with reduced energy consumption is characterized in that the first reaction chamber is provided with a first air inlet and a first air outlet, and the second reaction chamber is provided with a second air inlet and a second air outlet.
The electrolytic cell reactor for preparing the proliferation chemicals by co-electrolyzing alkane and carbon dioxide with reduced energy consumption is characterized in that the perovskite oxide is of a porous structure.
The electrolytic cell reactor for preparing proliferation chemicals by co-electrolyzing alkane and carbon dioxide with reduced energy consumption is characterized in that the preparation of the perovskite oxide comprises the following steps:
dissolving cerium nitrate, strontium nitrate, ferric nitrate and ammonium molybdate in a dilute nitric acid solution to prepare a nitrate mixed solution;
adding monohydrate citrate and ethylenediamine tetraacetic acid into the nitrate mixed solution, adjusting the pH value to 7-8, and stirring for 2-6h at normal temperature on a magnetic stirrer to prepare nitrate sol;
heating and evaporating the nitrate sol until the nitrate sol burns, collecting powder obtained by burning, and putting the powder into a muffle furnace in an air atmosphere for calcination treatment to obtain the chemical formula CexSr1-xFe1-xMoxO3-δThe perovskite oxide of (a).
The electrolytic cell reactor for preparing the proliferation chemicals by co-electrolyzing the alkane and the carbon dioxide with reduced energy consumption is characterized in that the added citrate monohydrate is 1.5-2 times of the molar weight of metal ions in the nitrate mixed solution; the added ethylene diamine tetraacetic acid is 1-1.5 times of the molar weight of metal ions in the nitrate mixed solution.
The electrolytic cell reactor for preparing the proliferation chemicals by co-electrolyzing the alkane and the carbon dioxide with reduced energy consumption is characterized in that the calcining treatment temperature is 900-1100 ℃, and the time is 4-6 h.
A method for preparing proliferative chemicals by electrolyzing alkanes and carbon dioxide based on an electrolytic cell reactor with reduced energy consumption, comprising the steps of:
connecting the anode and the cathode through a lead and connecting the anode and the cathode to a power supply;
alkane is introduced into the anode side, and CO is introduced into the cathode side2Setting the electrolysis temperature of the electrolytic cell reactor, and reacting to obtain the proliferation chemical.
The method for preparing the proliferation chemicals by electrolyzing the alkane and the carbon dioxide with reduced energy consumption is described, wherein the electrolysis temperature is 400-800 ℃.
Has the advantages that: the invention provides an electrolytic cell reactor for preparing a proliferation chemical by co-electrolyzing alkane and carbon dioxide with reduced energy consumption, which comprises an electrolyte membrane, and an anode and a cathode which are arranged on two sides of the electrolyte membrane, wherein a first reaction chamber is arranged on one side of the anode, a second reaction chamber is arranged on one side of the cathode, the anode and the cathode are both composed of perovskite oxide, and the chemical formula of the perovskite oxide is CexSr1-xFe1-xMoxO3-δ. In the present invention, CO-electrolysis of the cathode and anode is achieved when an electric current is applied between the cathode and anode, wherein the alkane can be dehydrocoupled at the anode side to form an alkene or arene, and CO2It can also be reduced by hydrogenation at the cathode side and simultaneously converted into hydrocarbons or value-added chemicals such as CO. The invention can obviously reduce the energy loss used by electrolysis, and simultaneously prepare high-value added chemicals, thereby being beneficial to the efficient utilization of alkane and the effective conversion of carbon dioxide. The electrolytic cell reactor has ingenious design, can effectively reduce the electric energy loss, and can obtain more high-value chemicals under low energy consumption.
Drawings
FIG. 1 is a schematic diagram of an electrolytic cell reactor for co-electrolyzing alkanes and carbon dioxide to produce proliferative chemicals with reduced energy consumption according to the present invention.
FIG. 2 is a schematic diagram of the structure of an electrolytic cell reactor for co-electrolyzing alkane and carbon dioxide to produce proliferative chemicals with reduced energy consumption.
FIG. 3 is a powder XRD spectrum of the perovskite oxide prepared in example 1.
FIG. 4 is an SEM cross-sectional profile of the electrode and electrolyte membrane in the reactor of the electrolytic cell of example 1.
Detailed Description
The invention provides a method for preparing proliferative chemicals by co-electrolyzing alkane and carbon dioxide with reduced energy consumption and an electrolytic cell reactor, and the invention is further detailed below in order to make the purpose, technical scheme and effect of the invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2, the present invention provides an electrolytic cell reactor for co-electrolyzing alkanes and carbon dioxide to prepare proliferation chemicals with reduced energy consumption, as shown in the figure, the electrolytic cell reactor comprises an electrolyte membrane 10, and an anode 20 and a cathode 30 disposed at two sides of the electrolyte membrane 10, wherein a first reaction chamber 40 is disposed at one side of the anode 20, a second reaction chamber 50 is disposed at one side of the cathode 30, the anode 20 and the cathode 30 are both composed of perovskite oxide, and the perovskite oxide has a chemical formula of CexSr1-xFe1-xMoxO3-δWherein x is any value greater than 0 and less than 1.
As shown in fig. 1 and 2, the electrolytic cell reactor provided by the present invention has a double-chamber structure, that is, the reactor includes a first reaction chamber 40 located at one side of an anode 20 and a second reaction chamber 50 located at one side of a cathode 30, the first reaction chamber 40 and the second reaction chamber 50 are separated by a dense electrolyte membrane 10, the first reaction chamber 40 is provided with a first gas inlet 41 and a first gas outlet 42, and the second reaction chamber 50 is provided with a second gas inlet 51 and a second gas outlet 52. When the electrolytic cell reactor works, the cathode and the anode are respectively led out of a lead to apply current to form a common electrolysis closed circuit, alkane such as methane is introduced into the first gas inlet 41, value-added products such as olefin or high-carbon products are obtained after the electrolysis of the electrolytic cell reactor and are collected from the first gas outlet 42, and protons obtained after the electrolysis of the alkane are transferred to the cathode 30 through the electrolyte membrane 10; carbon dioxide gas is introduced at the second gas inlet 51, reduced in the electrolyzer reactor with the conducted proton structure to carbon monoxide or hydrocarbon value-added chemicals, and collected at the second gas outlet 52.
In the present invention, the anode 20 and the cathode 30 are both composed of a perovskite oxide having a chemical formula of CexSr1-xFe1-xMoxO3-δWherein x is any value greater than 0 and less than 1. The anode and the cathode of the invention are both SrFeO3As a parent material, a Ce element is introduced at the A site, a Mo element is introduced at the B site, and a perovskite structure electrode is obtained by adjusting the doping proportion of Ce/Sr and Fe/Mo; by codoping Ce and Mo into the perovskite structure, high-activity oxygen vacancies and redox couples are effectively obtained, and the catalytic activity of the electrode material is obviously improved. The perovskite oxide is of a porous structure, adsorption and dissociation of gas and a transmission process of electrons are provided, different gases on two sides are subjected to electrolytic reaction through a complete closed loop, the obtained product can be separated from two sides, the electrolytic efficiency is effectively improved, and meanwhile the separation cost of the product is reduced.
In some embodiments, in the electrolytic cell reactor for co-electrolyzing alkanes and carbon dioxide to produce proliferative chemicals with reduced energy consumption, the material of the electrolyte membrane is BaZr0.1Ce0.7Y0.2O3-δ. In this embodiment, the electrolyte membrane is a dense electrolyte that provides a path for transporting protons.
In some embodiments, the preparation of the perovskite oxide comprises the steps of:
dissolving cerium nitrate, strontium nitrate, ferric nitrate and ammonium molybdate in a dilute nitric acid solution to prepare a nitrate mixed solution; adding monohydrate citrate and ethylenediamine tetraacetic acid into the nitrate mixed solution, adjusting the pH value to 7-8, and stirring for 2-6h at normal temperature on a magnetic stirrer to prepare nitrate sol; to pairHeating and evaporating the nitrate sol until the nitrate sol burns, collecting powder obtained by burning, and putting the powder into a muffle furnace in an air atmosphere for calcination treatment to obtain the chemical formula CexSr1-xFe1-xMoxO3-δThe perovskite oxide of (a).
In this embodiment, the added citrate monohydrate is 1.5-2 times of the molar amount of the metal ions in the nitrate mixed solution; the added ethylene diamine tetraacetic acid is 1-1.5 times of the molar weight of metal ions in the nitrate mixed solution. This example is SrFeO3The co-electrolysis type solid oxide electrolytic cell is prepared by introducing Ce element at A site, introducing Mo element at B site, adjusting doping ratio of Ce/Sr and Fe/Mo to obtain perovskite oxide, arranging a cathode and an anode made of the perovskite oxide at two sides of the solid electrolyte, and communicating the anode and the cathode through a lead. In the embodiment, Ce and Mo are codoped into the perovskite structure, so that a high-activity oxygen vacancy and an oxidation-reduction pair are effectively obtained, and the catalytic activity of the electrode material is obviously improved.
In some embodiments, the nitrate sol is heated and evaporated until burning, the powder obtained by burning is collected and put into a muffle furnace in an air atmosphere for calcination, and the calcination temperature is 900-1100 ℃ and the time is 4-6 h. In this example, the chemical formula of Ce is obtained after calcinationxSr1-xFe1-xMoxO3-δThe perovskite oxide of (a) has a porous structure, which provides adsorption dissociation of gases, and a transport process of electrons.
In some embodiments, there is also provided a method for producing proliferative chemicals by electrolyzing alkanes and carbon dioxide based on an electrolytic cell reactor with reduced energy consumption, comprising the steps of: connecting the anode and the cathode through a lead and connecting the anode and the cathode to a power supply; alkane is introduced into the anode side, and CO is introduced into the cathode side2Setting the electrolysis temperature of the electrolytic cell reactor at 400-800 ℃ for reaction to prepare the proliferation chemical.
In this embodiment, the anode and the cathode are made of different materialsAre all of the chemical formula CexSr1-xFe1-xMoxO3-δThe perovskite oxide is prepared by co-doping Ce and Mo, so that a high-activity oxygen vacancy and an oxidation-reduction pair are effectively obtained, the catalytic activity of an electrode material is obviously improved, the high-efficiency electrolysis efficiency can be realized by adopting a lower electrolysis temperature, and the separation cost of a product is reduced.
The invention is further illustrated by the following specific examples:
example 1
1. The preparation process of the electrode material comprises the following steps:
dissolving cerium nitrate, strontium nitrate, ferric nitrate, ammonium molybdate and other metal salts in dilute nitric acid solution to prepare nitrate solution with the concentration of 0.02mol/L, then adding monohydrate citrate with the molar weight of metal ions of 1.5-2 times and ethylene diamine tetraacetic acid with the molar weight of metal ions of 1-1.5 times, adjusting the pH value to 7-8, stirring for about 2-6 hours at normal temperature on a magnetic stirrer, and fully and uniformly complexing the solution to prepare the nitrate sol. Then heating and evaporating until burning, collecting the powder obtained by burning, putting the powder into a muffle furnace in an air atmosphere for calcination treatment at the calcination temperature of 900-1100 ℃ for 4-6h to prepare the CexSr1-xFe1-xMoxO3-δPowder with a perovskite structure.
In order to determine the phase structure of the electrode material, the electrode material was characterized by XRD, and the obtained result is shown in fig. 3, and the electrode material was prepared as a pure phase cubic structure material. In this embodiment, through in getting into the perovskite structure with Ce and Mo codope, obtained high active oxygen vacancy and redox pair effectively, had obvious promotion to electrode material's catalytic activity.
2. Preparation of electrolytic cell reactor:
the Ce obtained in example 1 was addedxSr1-xFe1-xMoxO3-δPreparing porous electrodes from perovskite structure powder, and respectively arranging two porous electrodes with a chemical formula of BaZr0.1Ce0.7Y0.2O3-δAnd two independent reaction chambers are respectively arranged on the two sides of the electrolyte membrane to prepare the electrolytic cell reactor. The SEM cross-sectional topography of the cell reactor is shown in fig. 4, and it can be seen from fig. 4 that the dense electrolyte membrane provides a proton transport path, and the porous electrode material provides adsorption dissociation of gas, and an electron transport process. The complete closed loop enables different gases at two sides to carry out electrolytic reaction, and the obtained product can be obtained by separating the two sides, so that the electrolytic efficiency is effectively improved, and the separation cost of the product is reduced.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (9)
1. The electrolytic cell reactor for preparing the proliferation chemicals by co-electrolyzing alkane and carbon dioxide with reduced energy consumption is characterized by comprising an electrolyte membrane, and an anode and a cathode which are arranged on two sides of the electrolyte membrane, wherein a first reaction chamber is arranged on one side of the anode, a second reaction chamber is arranged on one side of the cathode, the anode and the cathode are both composed of perovskite oxide, and the perovskite oxide has a chemical formula of CexSr1-xFe1-xMoxO3-δWherein x is any value greater than 0 and less than 1.
2. The electrolyzer reactor for co-electrolyzing alkanes and carbon dioxide to produce proliferative chemicals with reduced energy consumption of claim 1, characterized in that the material of the electrolyte membrane is BaZr0.1Ce0.7Y0.2O3-δ。
3. An electrolytic cell reactor for the co-electrolysis of alkanes and carbon dioxide to produce proliferative chemicals according to claim 1, characterized in that said first reaction chamber is provided with a first gas inlet and a first gas outlet and said second reaction chamber is provided with a second gas inlet and a second gas outlet.
4. The electrolytic cell reactor for the co-electrolysis of alkanes and carbon dioxide for the production of proliferative chemicals according to claim 1, characterized in that said perovskite oxide is of a porous structure.
5. The electrolytic cell reactor for the reduced energy co-electrolysis of alkanes and carbon dioxide for the production of proliferative chemicals according to claim 1, characterized in that said production of perovskite oxide comprises the steps of:
dissolving cerium nitrate, strontium nitrate, ferric nitrate and ammonium molybdate in a dilute nitric acid solution to prepare a nitrate mixed solution;
adding monohydrate citrate and ethylenediamine tetraacetic acid into the nitrate mixed solution, adjusting the pH value to 7-8, and stirring for 2-6h at normal temperature on a magnetic stirrer to prepare nitrate sol;
heating and evaporating the nitrate sol until the nitrate sol burns, collecting powder obtained by burning, and putting the powder into a muffle furnace in an air atmosphere for calcination treatment to obtain the chemical formula CexSr1-xFe1-xMoxO3-δThe perovskite oxide of (a).
6. The electrolyzer reactor for co-electrolyzing alkanes and carbon dioxide to produce proliferative chemicals with reduced energy consumption of claim 5, characterized in that the added citrate monohydrate is 1.5-2 times the molar amount of metal ions in the mixed solution of nitrates; the added ethylene diamine tetraacetic acid is 1-1.5 times of the molar weight of metal ions in the nitrate mixed solution.
7. The electrolyzer reactor for co-electrolyzing alkanes and carbon dioxide to produce proliferative chemicals with reduced energy consumption as recited in claim 5, wherein the calcination treatment is performed at 900-1100 ℃ for 4-6 h.
8. A method for producing proliferative chemicals by electrolysis of alkanes and carbon dioxide with reduced energy consumption based on the cell reactor of any of claims 1 to 7, comprising the steps of:
connecting the anode and the cathode through a lead and connecting the anode and the cathode to a power supply;
alkane is introduced into the anode side, and CO is introduced into the cathode side2Setting the electrolysis temperature of the electrolytic cell reactor, and reacting to obtain the proliferation chemical.
9. The method for the electrolysis of alkanes and carbon dioxide to produce proliferative chemicals with reduced energy consumption as claimed in claim 8, wherein said electrolysis temperature is 400-800 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111528463.1A CN114395772B (en) | 2021-12-14 | 2021-12-14 | Method for preparing proliferation chemicals by co-electrolysis of alkane and carbon dioxide with reduced energy consumption and electrolytic cell reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111528463.1A CN114395772B (en) | 2021-12-14 | 2021-12-14 | Method for preparing proliferation chemicals by co-electrolysis of alkane and carbon dioxide with reduced energy consumption and electrolytic cell reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114395772A true CN114395772A (en) | 2022-04-26 |
| CN114395772B CN114395772B (en) | 2023-06-09 |
Family
ID=81226178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111528463.1A Active CN114395772B (en) | 2021-12-14 | 2021-12-14 | Method for preparing proliferation chemicals by co-electrolysis of alkane and carbon dioxide with reduced energy consumption and electrolytic cell reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114395772B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048169A (en) * | 1989-05-25 | 1991-01-02 | 标准石油公司 | Novel solid multi-component membranes, electrochemical reactor and with film and reactor for oxidation reactions |
| CN111058053A (en) * | 2018-10-17 | 2020-04-24 | 中国科学院福建物质结构研究所 | Method for preparing chemicals by electrochemically oxidizing methane |
| CN112585791A (en) * | 2018-08-30 | 2021-03-30 | 堺化学工业株式会社 | Method for producing electrolyte material for solid oxide fuel cell and precursor thereof |
-
2021
- 2021-12-14 CN CN202111528463.1A patent/CN114395772B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048169A (en) * | 1989-05-25 | 1991-01-02 | 标准石油公司 | Novel solid multi-component membranes, electrochemical reactor and with film and reactor for oxidation reactions |
| CN112585791A (en) * | 2018-08-30 | 2021-03-30 | 堺化学工业株式会社 | Method for producing electrolyte material for solid oxide fuel cell and precursor thereof |
| CN111058053A (en) * | 2018-10-17 | 2020-04-24 | 中国科学院福建物质结构研究所 | Method for preparing chemicals by electrochemically oxidizing methane |
Non-Patent Citations (3)
| Title |
|---|
| BANGXIN LI ET. AL.: "A Ce/Ru Codoped SrFeO3−δ Perovskite for a Coke-Resistant Anode of a Symmetrical Solid Oxide Fuel Cell", 《ACS CATAL.》 * |
| CHENDONG ZUO ET. AL.: ""Ba(Zr0.1Ce0.7Y0.2)O3-δ as an Electrolyte for Low-Temperature Solid-Oxide Fuel Cells", 《ADV. MATER.》 * |
| GUOLIANG XIAO ET. AL.: "Synthesis and characterization of Mo-doped SrFeO3−δ as cathode materials for solid oxide fuel cells", 《JOURNAL OF POWER SOURCES》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114395772B (en) | 2023-06-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Guo et al. | Lowering reaction temperature: Electrochemical ammonia synthesis by coupling various electrolytes and catalysts | |
| Li et al. | Alternative strategies toward sustainable ammonia synthesis | |
| Tian et al. | Progress and potential for symmetrical solid oxide electrolysis cells | |
| CN112687900B (en) | Electric energy-value-added chemical symbiotic fuel cell and preparation method thereof | |
| CN111430734B (en) | (Pr0.5Sr0.5)xFe1-yRuyO3-δPerovskite material and preparation method and application thereof | |
| CN113249739B (en) | Metal phosphide-loaded monatomic catalyst, preparation method thereof and application of metal phosphide-loaded monatomic catalyst as hydrogen evolution reaction electrocatalyst | |
| Han et al. | Designing oxide catalysts for oxygen electrocatalysis: insights from mechanism to application | |
| CN111908512A (en) | O-site halogen element doped perovskite oxide and application thereof in symmetric battery | |
| CN113299960B (en) | Ethylene and electric energy symbiotic solid oxide fuel cell and preparation method thereof | |
| Gao et al. | Voltage-driven reduction method to optimize in-situ exsolution of Fe nanoparticles at Sr2Fe1. 5+ xMo0. 5O6-δ interface | |
| Wang et al. | Sr x Ti 0.6 Fe 0.4 O 3− δ (x= 1.0, 0.9) catalysts for ammonia synthesis via proton-conducting solid oxide electrolysis cells (PCECs) | |
| CN113299934B (en) | Anti-carbon deposition and carbon dioxide resistant fuel electrode material, preparation method thereof and solid oxide cell | |
| Luo et al. | High-temperature CO2 electrolysis in solid oxide electrolysis cells cathode: Advances and perspective | |
| CN114395772B (en) | Method for preparing proliferation chemicals by co-electrolysis of alkane and carbon dioxide with reduced energy consumption and electrolytic cell reactor | |
| Xu et al. | Enhanced CO 2 electrolysis with synergistic doping in perovskite cathode materials | |
| CN112670525B (en) | Solid oxide fuel cell electrode material | |
| Liu et al. | A review on cerium-containing electrocatalysts for oxygen evolution reaction | |
| CN113430548B (en) | Carbon dioxide conversion electrolytic cell and preparation method and application thereof | |
| CN110104649B (en) | Method for preparing bimetal carbide composite material by thermal decomposition method | |
| CN113451588A (en) | Symbiotic fuel cell anode and preparation method and application thereof | |
| Su et al. | Direct Conversion of Methane to Methanol on LaCo0. 5Fe0. 5O3 Anode in Aqueous Ionic Liquid | |
| Yan et al. | Fundamentals of Water Electrolysis | |
| CN116024603A (en) | BiFeO 3 Preparation method and application of perovskite catalytic electrode | |
| CN113955728B (en) | Preparation of cobalt phosphide/cobalt manganese phosphide with hollow grade structure and application of electrolytic water | |
| CN114892198B (en) | Ni (nickel) 3 (VO 4 ) 2 Spherical nano-beam self-supporting electrode material and preparation method thereof |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |