CN103199271A - Vanadium battery electrode treatment method - Google Patents
Vanadium battery electrode treatment method Download PDFInfo
- Publication number
- CN103199271A CN103199271A CN2013101134668A CN201310113466A CN103199271A CN 103199271 A CN103199271 A CN 103199271A CN 2013101134668 A CN2013101134668 A CN 2013101134668A CN 201310113466 A CN201310113466 A CN 201310113466A CN 103199271 A CN103199271 A CN 103199271A
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- China
- Prior art keywords
- graphite felt
- heat treatment
- processing method
- optimum condition
- battery electrode
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- 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.)
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- 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 provides a vanadium battery electrode treatment method. The method comprises the following steps of: (1) under inert atmosphere, carrying out graphitizing treatment on carbon felt at a preset temperature in preset duration to obtain graphite felt; (2) finding an appropriate heat treatment temperature range using differential thermal analysis and thermal gravimetric analysis, and then carrying out heat treatment on the graphite felt; (3) testing the electrode of the heat treated graphite felt to obtain an optimum condition; and (4) in the optimum condition, carrying out heat treatment on the graphite felt to obtain the vanadium battery electrode. Compared with the prior art, the vanadium battery electrode obtained by the vanadium battery electrode treatment method has a relatively small resistance and a relatively large exchange current, and relatively good electric properties.
Description
Technical field
The present invention relates to a kind of processing method, relate in particular to a kind of processing method that can obtain the vanadium cell electrode of better electric property.
Background technology
Vanadium cell has numerous advantages, and its energy size depends on electrolyte, by increasing the amount of electrolyte, just can reach the purpose that increases battery capacity, by changing electrolyte, just can realize the effect of momentary charge.The resistance of the electrode of existing vanadium cell usually big, exchanging electric current is less, has caused the low of the waste of energy and efficient.
Summary of the invention
The technical problem that the present invention mainly solves is that the resistance of existing electrode is big and exchanging electric current is less usually.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses a kind of processing method of vanadium cell electrode, comprising:
(1) under inert gas environment, the carbon felt is carried out graphitization processing with preset temperature and default duration, obtain graphite felt;
(2) adopt differential thermal analysis and thermogravimetic analysis (TGA) method to find out the proper heat treatment temperature range, again graphite felt is heat-treated;
(3) the graphite felt electrode after the heat treatment is tested, obtained optimum condition;
(4) under optimum condition, graphite felt is heat-treated, make the vanadium cell electrode.
In a preferred embodiment of the present invention, the described inert gas in the step (1) is one or more mist of argon gas, nitrogen or helium.
In a preferred embodiment of the present invention, 2175 degrees centigrade of the preset temperatures in the step (1), the default duration is 110 minutes.
In a preferred embodiment of the present invention, the heat treatment temperature of the optimum condition in the step (5) is 500-700 degree centigrade.
In a preferred embodiment of the present invention, the heat treatment temperature of the optimum condition in the step (5) is 573 degrees centigrade.
In a preferred embodiment of the present invention, the described graphite felt in the step (1) is the fine basic graphite felt of polypropylene.
Compared to prior art, the resulting vanadium cell electrode of the processing method of vanadium cell electrode of the present invention has less resistance and bigger exchanging electric current, and electric property is better.
Embodiment
To the technical scheme in the embodiment of the invention be clearly and completely described below, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making all other embodiment that obtain under the creative work prerequisite.
The embodiment of the invention discloses a kind of processing method of vanadium cell electrode, comprising:
(1) under inert gas environment, the carbon felt is carried out graphitization processing with preset temperature and default duration, obtain graphite felt;
(2) adopt differential thermal analysis and thermogravimetic analysis (TGA) method to find out the proper heat treatment temperature range, again graphite felt is heat-treated;
(3) the graphite felt electrode after the heat treatment is tested, obtained optimum condition;
(4) under optimum condition, graphite felt is heat-treated, make the vanadium cell electrode.
Wherein, described graphite felt is the fine basic graphite felt of polypropylene.
Preferably, the described inert gas in the step (1) is one or more mist of argon gas, nitrogen or helium, 2175 degrees centigrade of preset temperatures, and the default duration is 110 minutes.
Further, the heat treatment temperature of the optimum condition in the step (5) is 500-700 degree centigrade, and the heat treatment temperature of optimum condition is 573 degrees centigrade.
Compared to prior art, the resulting vanadium cell electrode of the processing method of vanadium cell electrode of the present invention has less resistance and bigger exchanging electric current, and electric property is better.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes description of the present invention to do; or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the present invention.
Claims (6)
1. the processing method of a vanadium cell electrode is characterized in that, comprising:
(1) under inert gas environment, the carbon felt is carried out graphitization processing with preset temperature and default duration, obtain graphite felt;
(2) adopt differential thermal analysis and thermogravimetic analysis (TGA) method to find out the proper heat treatment temperature range, again graphite felt is heat-treated;
(3) the graphite felt electrode after the heat treatment is tested, obtained optimum condition;
(4) under optimum condition, graphite felt is heat-treated, make the vanadium cell electrode.
2. processing method according to claim 1 is characterized in that, the described inert gas in the step (1) is one or more mist of argon gas, nitrogen or helium.
3. processing method according to claim 1 is characterized in that, 2175 degrees centigrade of the preset temperatures in the step (1), and the default duration is 110 minutes.
4. processing method according to claim 1 is characterized in that, the heat treatment temperature of the optimum condition in the step (5) is 500-700 degree centigrade.
5. processing method according to claim 4 is characterized in that, the heat treatment temperature of the optimum condition in the step (5) is 573 degrees centigrade.
6. processing method according to claim 1 is characterized in that, the described graphite felt in the step (1) is the fine basic graphite felt of polypropylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101134668A CN103199271A (en) | 2013-04-02 | 2013-04-02 | Vanadium battery electrode treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101134668A CN103199271A (en) | 2013-04-02 | 2013-04-02 | Vanadium battery electrode treatment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103199271A true CN103199271A (en) | 2013-07-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101134668A Pending CN103199271A (en) | 2013-04-02 | 2013-04-02 | Vanadium battery electrode treatment method |
Country Status (1)
| Country | Link |
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| CN (1) | CN103199271A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183853A (en) * | 2014-09-02 | 2014-12-03 | 哈尔滨工业大学 | Method for improving performance of air electrode of lithium-air cell |
| CN108565475A (en) * | 2018-05-08 | 2018-09-21 | 沈阳建筑大学 | A kind of method of modifying of graphite felt electrode |
-
2013
- 2013-04-02 CN CN2013101134668A patent/CN103199271A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 刘素琴 ET AL: "钒电池电极材料聚丙烯腈石墨毡的研究", 《电池》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183853A (en) * | 2014-09-02 | 2014-12-03 | 哈尔滨工业大学 | Method for improving performance of air electrode of lithium-air cell |
| CN108565475A (en) * | 2018-05-08 | 2018-09-21 | 沈阳建筑大学 | A kind of method of modifying of graphite felt electrode |
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Owner name: PU NING Free format text: FORMER OWNER: HU GUOLIANG Effective date: 20140416 |
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Free format text: CORRECT: ADDRESS; FROM: 528401 ZHONGSHAN, GUANGDONG PROVINCE TO: 518052 SHENZHEN, GUANGDONG PROVINCE |
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Effective date of registration: 20140416 Address after: 518052 Guangdong city of Shenzhen province Nanshan District Nanshan digital and cultural industry base east tower room 407 Applicant after: Pu Ning Address before: 528401 Guangdong city of Zhongshan province Xiyuan Fuhua Road Plaza and pavilion 18 buildings D Applicant before: Hu Guoliang |
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Application publication date: 20130710 |