CN113754021B - Method for preparing capacitor deionized electrode - Google Patents
Method for preparing capacitor deionized electrode Download PDFInfo
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- CN113754021B CN113754021B CN202111002285.9A CN202111002285A CN113754021B CN 113754021 B CN113754021 B CN 113754021B CN 202111002285 A CN202111002285 A CN 202111002285A CN 113754021 B CN113754021 B CN 113754021B
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000003990 capacitor Substances 0.000 title description 4
- 239000011149 active material Substances 0.000 claims abstract description 90
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 74
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 46
- 239000002245 particle Substances 0.000 claims abstract description 31
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 30
- 239000010935 stainless steel Substances 0.000 claims abstract description 30
- 238000001035 drying Methods 0.000 claims abstract description 28
- 238000002156 mixing Methods 0.000 claims abstract description 23
- 239000000853 adhesive Substances 0.000 claims abstract description 22
- 230000001070 adhesive effect Effects 0.000 claims abstract description 22
- 238000002242 deionisation method Methods 0.000 claims abstract description 18
- 238000002360 preparation method Methods 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims abstract description 17
- 238000012216 screening Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 46
- 239000012153 distilled water Substances 0.000 claims description 35
- 239000007788 liquid Substances 0.000 claims description 27
- 229920000642 polymer Polymers 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 14
- 238000001179 sorption measurement Methods 0.000 claims description 8
- 108091006629 SLC13A2 Proteins 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 238000002791 soaking Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000000243 solution Substances 0.000 claims 3
- 238000001125 extrusion Methods 0.000 claims 1
- 239000011259 mixed solution Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 8
- 239000007772 electrode material Substances 0.000 description 5
- 238000010612 desalination reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4691—Capacitive deionisation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N2015/0866—Sorption
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Abstract
The invention discloses a method for preparing a capacitive deionization electrode, which comprises the following steps: selecting an active material for preparing a deionized electrode; placing different active materials into a reaction solution, observing whether the different active materials react with the reaction solution or not, recording data, and analyzing to obtain the effect performance of the different active materials in the preparation of the electrode; different mixing and drying methods are adopted according to different active materials to obtain mixed active materials; compacting and tightly attaching the mixed active material to a stainless steel sheet under a certain pressure; checking whether the adhesive force between the mixed active material and the stainless steel sheet meets the standard; and screening and detecting the electrode performance. The invention is different from the traditional direct preparation method, can further improve the quality of the prepared electrode, and the insulating frame is arranged between two electrodes in the method of taking active carbon particles as active materials, so that the active carbon cannot be contacted with each other, thereby avoiding the occurrence of the condition of overhigh current, improving the rationality of the prepared electrode and further improving the quality.
Description
Technical Field
The invention relates to the technical field of deionized electrodes, in particular to a method for preparing a capacitive deionized electrode.
Background
As a seawater desalination technology with high efficiency, no pollution and low cost, the capacitive deionization technology has been receiving more and more attention in recent years due to the increasing crisis of water resources. The core component of the capacitive deionization technology is an electrode material, and currently, a porous carbon-based material is mainly used as an electrode of the capacitive deionization system, and the performance of the electrode material directly determines the desalination capacity of the capacitive deionization system. The influence of the hydrophilicity and pore structure performance of the electrode material on the desalination capacity of the electrode material is expected to be researched through theoretical simulation and combination experiments, and the aim of high-efficiency and low-energy-consumption desalination of the saline water is achieved by improving the performance of the electrode material.
However, the existing electrode deionization preparation method uses a single active material, the stability of the material is not detected before the preparation, and the electric adsorption effect detection is required to be carried out on the performance of the electrode after the preparation, so that a method for preparing the capacitor deionization electrode is now proposed.
Disclosure of Invention
Based on the technical problems in the background technology, the invention provides a method for preparing a capacitor deionized electrode.
The invention provides a method for preparing a capacitive deionization electrode, which comprises the following steps:
s1: selecting an active material for preparing a deionized electrode;
s2: placing different active materials into a reaction solution, observing whether the different active materials react with the reaction solution or not, recording data, and analyzing to obtain the effect performance of the different active materials in the preparation of the electrode;
s3: different mixing and drying methods are adopted according to different active materials to obtain mixed active materials;
s4: compacting and tightly attaching the mixed active material to a stainless steel sheet under a certain pressure;
s5: checking whether the adhesive force between the mixed active material and the stainless steel sheet meets the standard;
s6: screening and detecting electrode performance, wherein the active material comprises active carbon particles and active carbon powder, and the mixing method of the active carbon particles as the active material comprises the following steps: use the polymer adhesive to adhere the active carbon particle for the polymer adhesive adsorbs on partial active carbon particle surface, and then compacts the active carbon, hugs closely on stainless steel sheet surface and constitutes the electrode, between two poles of the earth, sets up plastic insulation frame, avoids active carbon to contact the electric current too high each other, the active carbon powder is as active material mixing method: pouring a certain amount of active carbon powder into a certain amount of distilled water, fully stirring, putting a sponge strip prepared in advance into distilled water after stirring, repeatedly extruding to enable the sponge strip to fully adsorb the mixed liquid of the active carbon powder and the distilled water, standing for a period of time for observation, fishing out sponge to extrude the mixed liquid when the color of the sponge is similar to that of the mixed liquid, drying, compacting the sponge and tightly attaching the sponge to a stainless steel sheet to form an electrode.
Preferably, the drying temperature of the dried sponge after extruding the mixed liquid is 60-80 ℃.
Further, the screening detection of the electrode performance specifically includes: soaking the active mixture in distilled water for more than 20 hours, gradually displacing distilled water by using a constant flow pump and a prepared NaC1 solution, applying a certain voltage to the electrode in the process, recording the conductivity and the current value of the discharged water, and analyzing the data to obtain the electric adsorption effect.
The beneficial effects of the invention are as follows:
1. by placing the selected active materials in the reaction liquid before preparation to observe the reaction condition, and then according to recorded data, the effect performance of different active materials used in electrode preparation can be obtained by analysis, two different materials are provided for preparation, and the quality of the prepared electrode can be further improved unlike the traditional direct preparation method.
2. By arranging the insulating frame between the two electrodes in the mixing method with the active carbon particles as the active materials, the active carbon particles are not contacted with each other, so that the occurrence of the condition of overhigh current is avoided.
3. Through carrying out performance detection to the electrode after the electrode is prepared for people can read the data of record after the detection, and can select one of the highest quality according to the current value in the data and the analysis of water conductivity and be applied to follow-up batch production preparation, improved the rationality of preparing the electrode, further promoted the quality.
Drawings
Fig. 1 is a schematic preparation flow chart of a method for preparing a capacitive deionization electrode according to the present invention.
Fig. 2 is a schematic diagram showing the variation of the liquid content in temperature change in a method for preparing a capacitive deionization electrode according to the present invention.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Examples
Referring to fig. 1-2, a method of making a capacitive deionization electrode, comprising the steps of:
s1: selecting an active material for preparing a deionized electrode;
s2: placing different active materials into a reaction solution, observing whether the different active materials react with the reaction solution or not, recording data, and analyzing to obtain the effect performance of the different active materials in the preparation of the electrode;
s3: different mixing and drying methods are adopted according to different active materials to obtain mixed active materials;
s4: compacting and tightly attaching the mixed active material to a stainless steel sheet under a certain pressure;
s5: checking whether the adhesive force between the mixed active material and the stainless steel sheet meets the standard;
s6: and screening and detecting the electrode performance.
In the invention, the active material comprises active carbon particles and active carbon powder, and the mixing method of the active carbon particles as the active material comprises the following steps: use the polymer adhesive to adhere the active carbon particle for the polymer adhesive adsorbs on partial active carbon particle surface, and then compacts the active carbon, hugs closely on stainless steel sheet surface and constitutes the electrode, between two poles of the earth, sets up plastic insulation frame, avoids active carbon to contact the electric current too high each other, the active carbon powder is as active material mixing method: pouring a certain amount of active carbon powder into a certain amount of distilled water, fully stirring, putting a sponge strip prepared in advance into distilled water after stirring, repeatedly extruding to enable the sponge strip to fully adsorb the mixed liquid of the active carbon powder and the distilled water, standing for a period of time, observing, when the color of the sponge is similar to that of the mixed liquid, fishing out the sponge, extruding the mixed liquid, drying the sponge, compacting the sponge, tightly attaching the sponge to a stainless steel sheet to form an electrode, and drying the sponge after extruding the mixed liquid at a drying temperature of 60 ℃, wherein the screening detection of the electrode performance is specifically as follows: soaking the active mixture in distilled water for 20 hours, gradually displacing distilled water by using a constant flow pump and a prepared NaC1 solution, applying a certain voltage to the electrode in the process, recording the conductivity and the current value of the discharged water, and analyzing the data to obtain the electric adsorption effect.
Examples
Referring to fig. 1-2, a method for preparing a capacitive deionization electrode according to this embodiment includes the following steps compared to embodiment 1:
s1: selecting an active material for preparing a deionized electrode;
s2: placing different active materials into a reaction solution, observing whether the different active materials react with the reaction solution or not, recording data, and analyzing to obtain the effect performance of the different active materials in the preparation of the electrode;
s3: different mixing and drying methods are adopted according to different active materials to obtain mixed active materials;
s4: compacting and tightly attaching the mixed active material to a stainless steel sheet under a certain pressure;
s5: checking whether the adhesive force between the mixed active material and the stainless steel sheet meets the standard;
s6: and screening and detecting the electrode performance.
In the invention, the active material comprises active carbon particles and active carbon powder, and the mixing method of the active carbon particles as the active material comprises the following steps: use the polymer adhesive to adhere the active carbon particle for the polymer adhesive adsorbs on partial active carbon particle surface, and then compacts the active carbon, hugs closely on stainless steel sheet surface and constitutes the electrode, between two poles of the earth, sets up plastic insulation frame, avoids active carbon to contact the electric current too high each other, the active carbon powder is as active material mixing method: pouring a certain amount of active carbon powder into a certain amount of distilled water, fully stirring, putting a sponge strip prepared in advance into distilled water after stirring, repeatedly extruding to enable the sponge strip to fully adsorb the mixed liquid of the active carbon powder and the distilled water, standing for a period of time, observing, when the color of the sponge is similar to that of the mixed liquid, fishing out the sponge, extruding the mixed liquid, drying the sponge, compacting the sponge, tightly attaching the sponge to a stainless steel sheet to form an electrode after drying, drying the sponge after extruding water at a drying temperature of 65 ℃, and screening and detecting the electrode performance specifically comprises the following steps: soaking the active mixture in distilled water for 25 hours, gradually displacing distilled water by using a constant flow pump and a prepared NaC1 solution, applying a certain voltage to the electrode in the process, recording the conductivity and the current value of the discharged water, and analyzing the data to obtain the electric adsorption effect.
Examples
Referring to fig. 1-2, a method for preparing a capacitive deionization electrode according to this embodiment includes the following steps compared to embodiment 1:
s1: selecting an active material for preparing a deionized electrode;
s2: placing different active materials into a reaction solution, observing whether the different active materials react with the reaction solution or not, recording data, and analyzing to obtain the effect performance of the different active materials in the preparation of the electrode;
s3: different mixing and drying methods are adopted according to different active materials to obtain mixed active materials;
s4: compacting and tightly attaching the mixed active material to a stainless steel sheet under a certain pressure;
s5: checking whether the adhesive force between the mixed active material and the stainless steel sheet meets the standard;
s6: and screening and detecting the electrode performance.
In the invention, the active material comprises active carbon particles and active carbon powder, and the mixing method of the active carbon particles as the active material comprises the following steps: use the polymer adhesive to adhere the active carbon particle for the polymer adhesive adsorbs on partial active carbon particle surface, and then compacts the active carbon, hugs closely on stainless steel sheet surface and constitutes the electrode, between two poles of the earth, sets up plastic insulation frame, avoids active carbon to contact the electric current too high each other, the active carbon powder is as active material mixing method: pouring a certain amount of active carbon powder into a certain amount of distilled water, fully stirring, putting a sponge strip prepared in advance into distilled water after stirring, repeatedly extruding to enable the sponge strip to fully adsorb the mixed liquid of the active carbon powder and the distilled water, standing for a period of time, observing, when the color of the sponge is similar to that of the mixed liquid, fishing out the sponge, extruding the mixed liquid, drying the sponge, compacting the sponge, tightly attaching the sponge to a stainless steel sheet to form an electrode, and drying the sponge after extruding the mixed liquid at a drying temperature of 70 ℃, wherein the screening detection of the electrode performance is specifically as follows: soaking the active mixture in distilled water for more than 30 hours, gradually displacing distilled water by using a constant flow pump and a prepared NaC1 solution, applying a certain voltage to the electrode in the process, recording the conductivity and the current value of the discharged water, and analyzing the data to obtain the electric adsorption effect.
Examples
Referring to fig. 1-2, a method for preparing a capacitive deionization electrode according to this embodiment includes the following steps compared to embodiment 1:
s1: selecting an active material for preparing a deionized electrode;
s2: placing different active materials into a reaction solution, observing whether the different active materials react with the reaction solution or not, recording data, and analyzing to obtain the effect performance of the different active materials in the preparation of the electrode;
s3: different mixing and drying methods are adopted according to different active materials to obtain mixed active materials;
s4: compacting and tightly attaching the mixed active material to a stainless steel sheet under a certain pressure;
s5: checking whether the adhesive force between the mixed active material and the stainless steel sheet meets the standard;
s6: and screening and detecting the electrode performance.
In the invention, the active material comprises active carbon particles and active carbon powder, and the mixing method of the active carbon particles as the active material comprises the following steps: use the polymer adhesive to adhere the active carbon particle for the polymer adhesive adsorbs on partial active carbon particle surface, and then compacts the active carbon, hugs closely on stainless steel sheet surface and constitutes the electrode, between two poles of the earth, sets up plastic insulation frame, avoids active carbon to contact the electric current too high each other, the active carbon powder is as active material mixing method: pouring a certain amount of active carbon powder into a certain amount of distilled water, fully stirring, putting a sponge strip prepared in advance into distilled water after stirring, repeatedly extruding to enable the sponge strip to fully adsorb the mixed liquid of the active carbon powder and the distilled water, standing for a period of time, observing, when the color of the sponge is similar to that of the mixed liquid, fishing out the sponge, extruding the mixed liquid, drying the sponge, compacting the sponge, tightly attaching the sponge to a stainless steel sheet to form an electrode, and drying the sponge after extruding the mixed liquid at a drying temperature of 75 ℃, wherein the screening detection of the electrode performance is specifically as follows: soaking the active mixture in distilled water for more than 35 hours, gradually displacing distilled water by using a constant flow pump and a prepared NaC1 solution, applying a certain voltage to the electrode in the process, recording the conductivity and the current value of the discharged water, and analyzing the data to obtain the electric adsorption effect.
Examples
Referring to fig. 1-2, a method for preparing a capacitive deionization electrode according to this embodiment includes the following steps compared to embodiment 1:
s1: selecting an active material for preparing a deionized electrode;
s2: placing different active materials into a reaction solution, observing whether the different active materials react with the reaction solution or not, recording data, and analyzing to obtain the effect performance of the different active materials in the preparation of the electrode;
s3: different mixing and drying methods are adopted according to different active materials to obtain mixed active materials;
s4: compacting and tightly attaching the mixed active material to a stainless steel sheet under a certain pressure;
s5: checking whether the adhesive force between the mixed active material and the stainless steel sheet meets the standard;
s6: and screening and detecting the electrode performance.
In the invention, the active material comprises active carbon particles and active carbon powder, and the mixing method of the active carbon particles as the active material comprises the following steps: use the polymer adhesive to adhere the active carbon particle for the polymer adhesive adsorbs on partial active carbon particle surface, and then compacts the active carbon, hugs closely on stainless steel sheet surface and constitutes the electrode, between two poles of the earth, sets up plastic insulation frame, avoids active carbon to contact the electric current too high each other, the active carbon powder is as active material mixing method: pouring a certain amount of active carbon powder into a certain amount of distilled water, fully stirring, putting a sponge strip prepared in advance into distilled water after stirring, repeatedly extruding to enable the sponge strip to fully adsorb the mixed liquid of the active carbon powder and the distilled water, standing for a period of time, observing, when the color of the sponge is similar to that of the mixed liquid, fishing out the sponge, extruding the mixed liquid, drying the sponge, compacting the sponge, tightly attaching the sponge to a stainless steel sheet to form an electrode, and drying the sponge after extruding the mixed liquid at a drying temperature of 80 ℃, wherein the screening detection of the electrode performance is specifically as follows: soaking the active mixture in distilled water for more than 40 hours, gradually displacing distilled water by using a constant flow pump and a prepared NaC1 solution, applying a certain voltage to the electrode in the process, recording the conductivity and the current value of the discharged water, and analyzing the data to obtain the electric adsorption effect.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (3)
1. A method of making a capacitive deionization electrode comprising the steps of:
s1: selecting an active material for preparing a deionized electrode;
s2: placing different active materials into a reaction solution, observing whether the different active materials react with the reaction solution or not, recording data, and analyzing to obtain the effect performance of the different active materials in the preparation of the electrode;
s3: different mixing and drying methods are adopted according to different active materials to obtain mixed active materials;
s4: compacting and tightly attaching the mixed active material to a stainless steel sheet under a certain pressure;
s5: checking whether the adhesive force between the mixed active material and the stainless steel sheet meets the standard;
s6: screening and detecting electrode performance, wherein the active material comprises active carbon particles and active carbon powder, and the mixing method of the active carbon particles as the active material comprises the following steps: use the polymer adhesive to adhere the active carbon particle for the polymer adhesive adsorbs on partial active carbon particle surface, and then compacts the active carbon, hugs closely on stainless steel sheet surface and constitutes the electrode, between two poles of the earth, sets up plastic insulation frame, avoids active carbon to contact the electric current too high each other, the active carbon powder is as active material mixing method: pouring a certain amount of active carbon powder into a certain amount of distilled water, fully stirring, putting a sponge strip prepared in advance into distilled water after stirring, repeatedly extruding to enable the sponge strip to fully adsorb the mixed liquid of the active carbon powder and the distilled water, standing for a period of time for observation, fishing out sponge to extrude the mixed liquid when the color of the sponge is similar to that of the mixed liquid, drying, compacting the sponge and tightly attaching the sponge to a stainless steel sheet to form an electrode.
2. The method of preparing a capacitive deionization electrode as claimed in claim 1, wherein the drying temperature of the dried sponge after extrusion of the mixed solution is 60 to 80 degrees.
3. The method for preparing a capacitive deionization electrode according to claim 1, wherein said screening test of electrode performance is specifically: soaking the active mixture in distilled water for more than 20 hours, gradually displacing distilled water by using a constant flow pump and a prepared NaC1 solution, applying a certain voltage to the electrode in the process, recording the conductivity and the current value of the discharged water, and analyzing the data to obtain the electric adsorption effect.
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| CN1133592C (en) * | 2001-06-25 | 2004-01-07 | 清华大学 | Multi-stage electric capacitance deionizer |
| CN101811754B (en) * | 2010-05-17 | 2012-02-01 | 长沙理工大学 | Activated carbon washing-resisting electrode and preparation method and application thereof |
| CN103523871B (en) * | 2013-09-29 | 2015-04-22 | 北京国环清华环境工程设计研究院有限公司 | Preparation method of mesoporous carbon electrode for electric adsorption desalination |
| CN103508522A (en) * | 2013-09-30 | 2014-01-15 | 天津大学 | Ion exchange resin modified carbon electrode as well as preparation method and application of ion exchange resin modified carbon electrode |
| CN105819552A (en) * | 2015-03-31 | 2016-08-03 | 南京大学盐城环保技术与工程研究院 | Composite electrode of styrene series anion exchange resin with triethyl group and active carbon, preparation and application of composite electrode in electro-adsorption desalting |
| CN105293487A (en) * | 2015-09-23 | 2016-02-03 | 大连理工大学 | Method for preparing modified activated carbon and capacitive deionization electrode |
| CN111573792A (en) * | 2019-08-08 | 2020-08-25 | 湖南大学 | Preparation method of capacitive deionization electrode active material, capacitive deionization electrode and application of capacitive deionization electrode |
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