CN108615901A - Improve the active processing method of vanadium cell graphite felt electrode - Google Patents
Improve the active processing method of vanadium cell graphite felt electrode Download PDFInfo
- Publication number
- CN108615901A CN108615901A CN201810421038.4A CN201810421038A CN108615901A CN 108615901 A CN108615901 A CN 108615901A CN 201810421038 A CN201810421038 A CN 201810421038A CN 108615901 A CN108615901 A CN 108615901A
- Authority
- CN
- China
- Prior art keywords
- graphite felt
- steam generator
- hydrogen peroxide
- hydrogenperoxide steam
- dried
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/96—Carbon-based electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/18—Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
- H01M8/184—Regeneration by electrochemical means
- H01M8/188—Regeneration by electrochemical means by recharging of redox couples containing fluids; Redox flow type batteries
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The invention discloses a kind of active processing methods of raising vanadium cell graphite felt electrode, include the following steps：A. graphite felt is placed in absolute ethyl alcohol and carries out ultrasonic cleaning；B. it dries；C. the graphite felt of cleaning, drying heated at constant temperature in hydrogenperoxide steam generator is immersed in heat 1 8h to 60 DEG C 100 DEG C, then dry；D. the graphite felt after the step c being dried is impregnated in hydrogenperoxide steam generator, and the ratio for accounting in hydrogen peroxide total volume 10% 30% is slowly added to the concentrated sulfuric acid, handles 1 8h；E. graphite felt of the Step d after processed is started the cleaning processing and is dried；In the step c and Step d, the mass concentration of hydrogenperoxide steam generator is 3%~30%.The present invention improves the oxygen-containing functional group of graphite felt by the heat pre-treatment of hydrogen peroxide, then graphite felt is immersed in the mixed solution of hydrogen peroxide and the concentrated sulfuric acid, significantly improves the oxygen-containing functional group of graphite felt, and then significantly improve the activity of graphite felt electrode.
Description
Technical field
The invention belongs to vanadium battery fields, and in particular to a kind of active processing method of raising vanadium cell graphite felt electrode.
Background technology
Vanadium redox battery (vanadium cell) be using different valence state vanadium ion between redox reaction into
The secondary power system of row energy storage and conversion.Its main feature is that：No exhaust emission, capacity are adjustable, have extended cycle life, can depth
High current density discharge, charging is rapid, energy transformation ratio is high.Vanadium cell is mainly used in peak-load regulation, big as accumulation power supply
Scale opto-electronic conversion, the accumulation power supply of wind power generation and as outlying district energy-storage system, uninterruptible power supply or emergency power supply
System.
Currently, the electrode material that vanadium cell uses is mainly the graphite felt carbon felt of carbon class, the material have resistivity it is low,
The advantages of stability is good, large specific surface area.But the activity that vanadium battery electrode is reacted on its surface is relatively low, so needing to it
Activation process is carried out, to improve electro-chemical activity and battery performance.
Common graphite felt processing method has Metal Ions Modification, sour processing, heat treatment, ammoniated treatment, electrochemical treatments
And integrated treatment.The principle of activation process is carried out to graphite felt：After the processing of various methods, the specific surface area of graphite felt can be made
Increase, response area increases.Meanwhile carbon fiber surface activity functional group such as C=O and C-O isoreactivities function is increased after processing
The number of group, eliminates the metal ion introduced in carbon fiber surface impurity such as production process, reduces the resistance of graphite felt, from
And improve the electro-chemical activity of graphite felt.
Invention content
The present invention in view of the above problems, propose it is a kind of improve vanadium cell electrode material activity electrochemical process for treating, gram
Taken makes the decline of electrode material stability, battery life reduce due to being heat-treated and acid processing is easy to cause the peroxidating of material
Disadvantage.This method is simple for process, of low cost, treatment conditions mitigate, degree of oxidation is easy to control, and the work of electrode material can be improved
Property.
The technical scheme is that：
A kind of active processing method of raising vanadium cell graphite felt electrode, includes the following steps：
A. graphite felt is placed in absolute ethyl alcohol and carries out ultrasonic cleaning；
B. it dries；
C. by the graphite felt of cleaning, drying, heated at constant temperature heats 1-8h to 60 DEG C -100 DEG C in hydrogenperoxide steam generator, and
After dry；
D. the graphite felt after step c drying is impregnated in hydrogenperoxide steam generator, and total volume 10%- is accounted for by hydrogen peroxide
30% ratio is slowly added to the concentrated sulfuric acid, handles 1-8h；
E. graphite felt of the Step d after processed is started the cleaning processing and is dried；
In step c and Step d, the mass concentration of hydrogenperoxide steam generator is 3%~30%.
In order to further realize the present invention, when carrying out the step c, graphite felt is immersed in hydrogenperoxide steam generator and heats
While also add high pressure, high-pressure is in 5 × 105Pa-20 × 105Pa.
In order to further realize the present invention, when carrying out the step e, using ultrasonic wave in distilled water to graphite felt into
The concussion time of row concussion cleaning, ultrasonic wave is 10-50 minutes, is impregnated 1-48 hours.
In order to further realize the present invention, drying in the step b, step c and step e dried using deionized water or
Heating, drying.
In order to further realize the present invention, the graphite felt after immersion is dried in an oven, and drying temperature is 60-180 DEG C, when
Between be 1-48 hours.
The present invention has the following advantages and effects with respect to the prior art：
1, the graphite felt of cleaning, drying is immersed in heated at constant temperature in hydrogenperoxide steam generator and pre-processed by the present invention, is being added
In thermal process, hydrogen peroxide is decomposed and is acted on graphite felt, increases the quantity of the oxygen-containing functional group of graphite felt surface carbon fiber.
2, the graphite felt after drying is impregnated in hydrogenperoxide steam generator by the present invention, and accounts for total volume by hydrogen peroxide
The ratio of 10%-30% is slowly added to the concentrated sulfuric acid, so that graphite felt is in the mixed solution of hydrogen peroxide and the concentrated sulfuric acid, peroxidating
The decomposition product hydroxyl radical free radical of hydrogen in an acidic solution has strong oxidation performance, can dramatically increase graphite felt surface carbon fiber
The quantity of oxygen-containing functional group improves the surface-active of graphite felt；
3, the present invention cleans the graphite felt in being placed on distilled water using ultrasonic wave, can determine the nothing of graphite felt
The impurity such as shape carbon, hydrogen peroxide, sulfuric acid remove, and using the cavitation phenomenon of ultrasonic wave, improve the hydrophily of graphite felt, Jin Erti
The wetability of high graphite felt.
4, the present invention graphite felt is immersed in heated in hydrogenperoxide steam generator while, add high pressure, make peroxidating
Hydrogen can act on graphite felt under hyperbaric environment during decomposing oxygen, improve the oxygen uptake ability of graphite felt, further increase
The quantity of the oxygen-containing functional group of graphite felt surface carbon fiber.
Specific implementation mode
A kind of active processing method of raising vanadium cell graphite felt electrode, includes the following steps：
A. graphite felt is placed in absolute ethyl alcohol and carries out ultrasonic cleaning (to remove the impurity of graphite felt)；
B. drying (drying graphite felt, to prepare in next step) is rinsed with deionized water；
C. the graphite felt of cleaning, drying in hydrogenperoxide steam generator is heated to 60 DEG C -100 DEG C, heats 1-5h, then uses
Deionized water rinses drying and (is pre-processed, carry out oxidized activating pretreatment to graphite felt, stone can be enhanced by being heated to 60 DEG C or more
The oxidized activating of black felt, the preliminary hydrophily for improving graphite felt)；
D. by step c, treated that graphite felt is impregnated in hydrogenperoxide steam generator, and total volume 10%- is accounted for by hydrogen peroxide
30% ratio is slowly added to the concentrated sulfuric acid, handles 1-5h；
E. graphite felt of the Step d after processed is started the cleaning processing and is dried；
In step c and Step d, the mass concentration of hydrogenperoxide steam generator is 3%~30%.
When carrying out the step c, graphite felt also adds high pressure while being immersed in heating in hydrogenperoxide steam generator, high
Pressure pressure is in 5 × 105Pa-20 × 105Pa.
When carrying out step e, concussion cleaning is carried out to graphite felt in distilled water using ultrasonic wave, when the concussion of ultrasonic wave
Between be 10-50 minute, immersion 1-48 hours.
Graphite felt after immersion is dried in an oven, and drying temperature is 60-180 DEG C, and the time is 1-48 hours.
It is below detailed description of the present invention embodiment to make the understanding of the present invention become apparent from：
Embodiment 1：
(1) the PAN based graphite felt that thickness is 5mm is placed in absolute ethyl alcohol and carries out ultrasonic cleaning, spent
Ionized water rinses drying.
(2) graphite felt is put into the hydrogenperoxide steam generator that mass fraction is 10% and is modified processing, while to mistake
Hydrogen peroxide solution carries out keeping heated at constant temperature to 60 DEG C, heats 2h, then takes out graphite felt and is rinsed with deionized water and is dried,
Graphite felt can certainly be put into baking oven and be dried.
(3) it is in 10% hydrogenperoxide steam generator, according to hydrogen peroxide body the graphite felt after drying to be impregnated in mass fraction
Product is slowly added into for 30% ratio in the concentrated sulfuric acid, handles 2h.
(4) it is impregnated in due to graphite felt in the mixed solution of hydrogen peroxide and the concentrated sulfuric acid, the graphite felt taken out after processing contains
There is the impurity of hydrogen peroxide and the concentrated sulfuric acid, it is therefore desirable to impurity is taken out, by the way that graphite felt immersion is taken out impurity in water,
Ultrasonication 30min, soaking time 5h are used while impregnating in water.
(5) the graphite felt taking-up after immersion is put into baking oven and is dried, drying time 5h.
(6) modified graphite felt is obtained.
Embodiment 2：
(1) the PAN based graphite felt that thickness is 5mm is placed in absolute ethyl alcohol and carries out ultrasonic cleaning, spent
Ionized water rinses drying.
(2) graphite felt is put into the hydrogenperoxide steam generator that mass fraction is 20% and is modified processing, while to mistake
Hydrogen peroxide solution carries out keeping heated at constant temperature to 60 DEG C, heats 2h, then takes out graphite felt and is rinsed with deionized water and is dried,
Graphite felt can certainly be put into baking oven and be dried.
(3) it is in 20% hydrogenperoxide steam generator, according to hydrogen peroxide body the graphite felt after drying to be impregnated in mass fraction
Product is slowly added into for 30% ratio in the concentrated sulfuric acid, handles 2h.
(4) it is impregnated in due to graphite felt in the mixed solution of hydrogen peroxide and the concentrated sulfuric acid, the graphite felt taken out after processing contains
There is the impurity of hydrogen peroxide and the concentrated sulfuric acid, it is therefore desirable to impurity is taken out, by the way that graphite felt immersion is taken out impurity in water,
Ultrasonication 30min, soaking time 30h are used while impregnating in water.
(5) the graphite felt taking-up after immersion is put into baking oven and is dried, drying time 30h.
(6) modified graphite felt is obtained.
Embodiment 3：
(1) the PAN based graphite felt that thickness is 5mm is placed in absolute ethyl alcohol and carries out ultrasonic cleaning, spent
Ionized water rinses drying.
(2) graphite felt is put into the hydrogenperoxide steam generator that mass fraction is 30% and is modified processing, while to mistake
Hydrogen peroxide solution carries out keeping heated at constant temperature to 100 DEG C, heats 2h, then takes out graphite felt and is rinsed with deionized water and is dried
It is dry, naturally it is also possible to graphite felt is put into baking oven and dried.
(3) it is in 30% hydrogenperoxide steam generator, according to hydrogen peroxide body the graphite felt after drying to be impregnated in mass fraction
Product is slowly added into for 30% ratio in the concentrated sulfuric acid, handles 2h.
(4) it is impregnated in due to graphite felt in the mixed solution of hydrogen peroxide and the concentrated sulfuric acid, the graphite felt taken out after processing contains
There is the impurity of hydrogen peroxide and the concentrated sulfuric acid, it is therefore desirable to impurity is taken out, by the way that graphite felt immersion is taken out impurity in water,
Ultrasonication 30min, soaking time 30h are used while impregnating in water.
(5) the graphite felt taking-up after immersion is put into baking oven and is dried, drying time 30h.
(6) modified graphite felt is obtained.
Embodiment 4：
(1) the PAN based graphite felt that thickness is 8mm is placed in absolute ethyl alcohol and carries out ultrasonic cleaning, spent
Ionized water rinses drying.
(2) graphite felt is put into the hydrogenperoxide steam generator that mass fraction is 30% and is modified processing, while to mistake
Hydrogen peroxide solution carries out keeping heated at constant temperature to 100 DEG C, heats 5h, then takes out graphite felt and is rinsed with deionized water and is dried
It is dry, naturally it is also possible to graphite felt is put into baking oven and dried.
(3) it is in 30% hydrogenperoxide steam generator, according to hydrogen peroxide body the graphite felt after drying to be impregnated in mass fraction
Product is slowly added into for 30% ratio in the concentrated sulfuric acid, handles 5h.
(4) it is impregnated in due to graphite felt in the mixed solution of hydrogen peroxide and the concentrated sulfuric acid, the graphite felt taken out after processing contains
There is the impurity of hydrogen peroxide and the concentrated sulfuric acid, it is therefore desirable to impurity is taken out, by the way that graphite felt immersion is taken out impurity in water,
Ultrasonication 50min, soaking time 48h are used while impregnating in water.
(5) the graphite felt taking-up after immersion is put into baking oven and is dried, drying time 48h.
(6) modified graphite felt is obtained.
Embodiment 5：
(1) the PAN based graphite felt that thickness is 8mm is placed in absolute ethyl alcohol and carries out ultrasonic cleaning, spent
Ionized water rinses drying.
(2) graphite felt is put into the hydrogenperoxide steam generator that mass fraction is 20% and is modified processing, while to mistake
Hydrogen peroxide solution carries out keeping heated at constant temperature to 100 DEG C, heats 5h, then takes out graphite felt and is rinsed with deionized water and is dried
It is dry, naturally it is also possible to graphite felt is put into baking oven and dried.
(3) it is in 20% hydrogenperoxide steam generator, according to hydrogen peroxide body the graphite felt after drying to be impregnated in mass fraction
Product is slowly added into for 20% ratio in the concentrated sulfuric acid, handles 5h.
(4) it is impregnated in due to graphite felt in the mixed solution of hydrogen peroxide and the concentrated sulfuric acid, the graphite felt taken out after processing contains
There is the impurity of hydrogen peroxide and the concentrated sulfuric acid, it is therefore desirable to impurity is taken out, by the way that graphite felt immersion is taken out impurity in water,
Ultrasonication 50min, soaking time 30h are used while impregnating in water.
(5) the graphite felt taking-up after immersion is put into baking oven and is dried, drying time 30h.
(6) modified graphite felt is obtained.
Embodiment 6：
(1) the PAN based graphite felt that thickness is 8mm is placed in absolute ethyl alcohol and carries out ultrasonic cleaning, spent
Ionized water rinses drying.
(2) graphite felt is put into the hydrogenperoxide steam generator that mass fraction is 10% and is modified processing, while to mistake
Hydrogen peroxide solution carries out keeping heated at constant temperature to 60 DEG C, heats 2h, then takes out graphite felt and is rinsed with deionized water and is dried,
Graphite felt can certainly be put into baking oven and be dried.
(3) it is in 20% hydrogenperoxide steam generator, according to hydrogen peroxide body the graphite felt after drying to be impregnated in mass fraction
Product is slowly added into for 20% ratio in the concentrated sulfuric acid, handles 2h.
(4) it is impregnated in due to graphite felt in the mixed solution of hydrogen peroxide and the concentrated sulfuric acid, the graphite felt taken out after processing contains
There is the impurity of hydrogen peroxide and the concentrated sulfuric acid, it is therefore desirable to impurity is taken out, by the way that graphite felt immersion is taken out impurity in water,
Ultrasonication 30min, soaking time 5h are used while impregnating in water.
(5) the graphite felt taking-up after immersion is put into baking oven and is dried, drying time 5h.
(6) modified graphite felt is obtained.
Embodiment 7：
(1) the PAN based graphite felt that thickness is 5mm is placed in absolute ethyl alcohol and carries out ultrasonic cleaning, spent
Ionized water rinses drying.
(2) graphite felt is put into the hydrogenperoxide steam generator that mass fraction is 30% and is modified processing, while to mistake
Hydrogen peroxide solution carries out keeping heated at constant temperature to 60 DEG C, heats 2h, in heating simultaneously also by the processing of graphite felt and hydrogen peroxide
Environment is under hyperbaric environment, and pressure is 10 × 105Graphite felt is then taken out and is rinsed with deionized water and dried, certainly by Pa
Graphite felt can also be put into baking oven and be dried.
(3) it is in 30% hydrogenperoxide steam generator, according to hydrogen peroxide body the graphite felt after drying to be impregnated in mass fraction
Product is slowly added into for 20% ratio in the concentrated sulfuric acid, handles 2h.
(4) it is impregnated in due to graphite felt in the mixed solution of hydrogen peroxide and the concentrated sulfuric acid, the graphite felt taken out after processing contains
There is the impurity of hydrogen peroxide and the concentrated sulfuric acid, it is therefore desirable to impurity is taken out, by the way that graphite felt immersion is taken out impurity in water,
Ultrasonication 30min, soaking time 30h are used while impregnating in water.
(5) the graphite felt taking-up after immersion is put into baking oven and is dried, drying time 30h.
(6) modified graphite felt is obtained.
Embodiment 8：
(1) the PAN based graphite felt that thickness is 8mm is placed in absolute ethyl alcohol and carries out ultrasonic cleaning, spent
Ionized water rinses drying.
(2) graphite felt is put into the hydrogenperoxide steam generator that mass fraction is 10% and is modified processing, while to mistake
Hydrogen peroxide solution carries out keeping heated at constant temperature to 60 DEG C, heats 2h, in heating simultaneously also by the processing of graphite felt and hydrogen peroxide
Environment is under hyperbaric environment, and pressure is 17 × 105Graphite felt is then taken out and is rinsed with deionized water and dried, certainly by Pa
Graphite felt can also be put into baking oven and be dried.
(3) it is in 20% hydrogenperoxide steam generator, according to hydrogen peroxide body the graphite felt after drying to be impregnated in mass fraction
Product is slowly added into for 20% ratio in the concentrated sulfuric acid, handles 2h.
(4) it is impregnated in due to graphite felt in the mixed solution of hydrogen peroxide and the concentrated sulfuric acid, the graphite felt taken out after processing contains
There is the impurity of hydrogen peroxide and the concentrated sulfuric acid, it is therefore desirable to impurity is taken out, by the way that graphite felt immersion is taken out impurity in water,
Ultrasonication 30min, soaking time 5h are used while impregnating in water.
(5) the graphite felt taking-up after immersion is put into baking oven and is dried, drying time 5h.
(6) modified graphite felt is obtained.
Since the parameter of the present invention is more, the present invention only provide more than embodiment illustrating.
The foregoing is merely the better embodiments of the present invention, and the invention is not limited in the above embodiments, are implementing
There may be the changes of partial structurtes in the process, if to the present invention various changes or modifications do not depart from the present invention spirit and
Range, and belong within the scope of the claim and equivalent technologies of the present invention, then the present invention is also intended to comprising these changes and becomes
Type.
Claims (5)
1. a kind of active processing method of raising vanadium cell graphite felt electrode, it is characterised in that：Include the following steps：
A. graphite felt is placed in absolute ethyl alcohol and carries out ultrasonic cleaning；
B. it dries；
C. the graphite felt of cleaning, drying is immersed in heated at constant temperature in hydrogenperoxide steam generator and heats 1-8h to 60 DEG C -100 DEG C, and
After dry；
D. the graphite felt after the step c being dried is impregnated in hydrogenperoxide steam generator, and accounts for total volume 10%- by hydrogen peroxide
30% ratio is slowly added to the concentrated sulfuric acid, handles 1-8h；
E. graphite felt of the Step d after processed is started the cleaning processing and is dried；
In the step c and Step d, the mass concentration of hydrogenperoxide steam generator is 3%~30%.
2. the active processing method of raising vanadium cell graphite felt electrode according to claim 1, it is characterised in that：Carry out
When the step c, graphite felt is immersed in the while of being heated in hydrogenperoxide steam generator and also adds high pressure, high-pressure 5 ×
105Pa-20×105Pa。
3. the active processing method of raising vanadium cell graphite felt electrode according to claim 1, it is characterised in that：Carry out
When the step e, concussion cleaning is carried out to graphite felt in distilled water using ultrasonic wave, the concussion time of ultrasonic wave is 10-50
Minute, it impregnates 1-48 hours.
4. the active processing method of raising vanadium cell graphite felt electrode according to claim 1, it is characterised in that：The step
Drying in rapid b, step c and step e is dried using deionized water or heating, drying.
5. the active processing method of raising vanadium cell graphite felt electrode according to claim 2, it is characterised in that：After immersion
Graphite felt dry in an oven, drying temperature be 60-180 DEG C, the time be 1-48 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810421038.4A CN108615901B (en) | 2018-05-04 | 2018-05-04 | Treatment method for improving activity of graphite felt electrode of vanadium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810421038.4A CN108615901B (en) | 2018-05-04 | 2018-05-04 | Treatment method for improving activity of graphite felt electrode of vanadium battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108615901A true CN108615901A (en) | 2018-10-02 |
| CN108615901B CN108615901B (en) | 2021-07-09 |
Family
ID=63662048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810421038.4A Active CN108615901B (en) | 2018-05-04 | 2018-05-04 | Treatment method for improving activity of graphite felt electrode of vanadium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108615901B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378487A (en) * | 2018-10-09 | 2019-02-22 | 华东师范大学 | Treatment method of graphite felt electrode material in zinc iodide battery |
| CN109457460A (en) * | 2018-10-23 | 2019-03-12 | 广东工业大学 | A kind of modified graphite felt and preparation method thereof |
| CN111092231A (en) * | 2020-03-24 | 2020-05-01 | 杭州德海艾科能源科技有限公司 | Vanadium battery integrated electrode prepared from high-molecular resin emulsion |
| CN111330614A (en) * | 2020-02-28 | 2020-06-26 | 韶关学院 | Oxygen-containing functional group modified nano flaky graphite phase carbon nitride and preparation method and application thereof |
| CN111682225A (en) * | 2020-07-03 | 2020-09-18 | 朱义奎 | Titanium doping modification method for graphite felt electrode material of vanadium battery |
| CN115029720A (en) * | 2022-06-30 | 2022-09-09 | 中化学朗正环保科技有限公司 | Method for preparing modified graphite felt electrode |
| CN115029720B (en) * | 2022-06-30 | 2024-04-30 | 中化学朗正环保科技有限公司 | Method for preparing modified graphite felt electrode |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102136579A (en) * | 2011-01-30 | 2011-07-27 | 国网电力科学研究院武汉南瑞有限责任公司 | Modified method of graphite felt used for full-vanadium fluid flow battery electrode |
| CN103887524A (en) * | 2014-04-11 | 2014-06-25 | 大连交通大学 | Modified treatment method of positive electrode graphite felt electrode of all-vanadium redox flow battery |
-
2018
- 2018-05-04 CN CN201810421038.4A patent/CN108615901B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102136579A (en) * | 2011-01-30 | 2011-07-27 | 国网电力科学研究院武汉南瑞有限责任公司 | Modified method of graphite felt used for full-vanadium fluid flow battery electrode |
| CN103887524A (en) * | 2014-04-11 | 2014-06-25 | 大连交通大学 | Modified treatment method of positive electrode graphite felt electrode of all-vanadium redox flow battery |
Non-Patent Citations (2)
| Title |
|---|
| ZHANGXING HE等: "HF/H2O2 treated graphite felt as the positive electrode for vanadium redox flow battery", 《APPLIED SURFACE SCIENCE》 * |
| 杨春等: "羟基自由基对全钒液流电池石墨毡电极的性能影响", 《化工学报》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378487A (en) * | 2018-10-09 | 2019-02-22 | 华东师范大学 | Treatment method of graphite felt electrode material in zinc iodide battery |
| CN109457460A (en) * | 2018-10-23 | 2019-03-12 | 广东工业大学 | A kind of modified graphite felt and preparation method thereof |
| CN111330614A (en) * | 2020-02-28 | 2020-06-26 | 韶关学院 | Oxygen-containing functional group modified nano flaky graphite phase carbon nitride and preparation method and application thereof |
| CN111092231A (en) * | 2020-03-24 | 2020-05-01 | 杭州德海艾科能源科技有限公司 | Vanadium battery integrated electrode prepared from high-molecular resin emulsion |
| CN111682225A (en) * | 2020-07-03 | 2020-09-18 | 朱义奎 | Titanium doping modification method for graphite felt electrode material of vanadium battery |
| CN115029720A (en) * | 2022-06-30 | 2022-09-09 | 中化学朗正环保科技有限公司 | Method for preparing modified graphite felt electrode |
| CN115029720B (en) * | 2022-06-30 | 2024-04-30 | 中化学朗正环保科技有限公司 | Method for preparing modified graphite felt electrode |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108615901B (en) | 2021-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108615901A (en) | Improve the active processing method of vanadium cell graphite felt electrode | |
| CN102136579B (en) | Modified method of graphite felt used for full-vanadium fluid flow battery electrode | |
| CN103000910B (en) | Processing method of graphite felt electrode for all-vanadium redox flow battery | |
| CN101465417B (en) | Electrochemical treatment method for improving vanadium cell electrode material activity | |
| CN102723502B (en) | Surface modification method for raising activity of electrode material of vanadium cell | |
| CN108598498B (en) | Graphite felt electrode modified by nitrogen-doped reduced graphene oxide and preparation method thereof | |
| KR102580413B1 (en) | Method for surface modifying felt electrode for redox flow battery | |
| CN102887567B (en) | Method for modifying graphite felt material applied to electro-Fenton system | |
| CN104163474B (en) | A kind of graphite felt activation method that is applied to electric Fenton system negative electrode | |
| CN108539203A (en) | Super hydrophilic material（Graphene oxide/phytic acid）Electrode material for modifying energy storage flow battery | |
| CN111725544A (en) | Rapid low-cost activation method for membrane electrode of proton exchange membrane fuel cell | |
| CN108091888A (en) | A kind of method of modifying of carbon felt for vanadium redox battery electrode | |
| CN106450351B (en) | All-vanadium flow battery combination electrode and preparation method thereof | |
| CN109457460A (en) | A kind of modified graphite felt and preparation method thereof | |
| US10505199B2 (en) | Method of treating carbon electrode | |
| CN110034305B (en) | Activation method of graphite felt electrode material for iron-chromium flow battery | |
| CN112678924A (en) | Preparation method and application of hydrothermal modified graphite felt electrode applied to electro-Fenton system | |
| CN106299436B (en) | Full vanadium cell carbon fiber felt and its method of modifying and full vanadium battery electrode | |
| CN116435567A (en) | Alkaline all-iron flow battery and preparation method of electrode material | |
| CN104716343B (en) | A kind of high-performance is combined carbon felt | |
| CN116259772A (en) | Modified graphite felt electrode and preparation method and application thereof | |
| CN109256561A (en) | Hard carbon cathode material and preparation method thereof and the method for making battery using it | |
| CN104805682A (en) | Carbon fiber material applied to electro-Fenton system and preparation method of carbon fiber material | |
| CN115117380A (en) | Porous bipolar plate and preparation method thereof | |
| JPS58145609A (en) | Manufacture of graphitizing carbon at low temperature by using boron and silicon |
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 |