CN103199293A - Preparation method of vanadium sulfate solution for vanadium cell - Google Patents
Preparation method of vanadium sulfate solution for vanadium cell Download PDFInfo
- Publication number
- CN103199293A CN103199293A CN2013101120913A CN201310112091A CN103199293A CN 103199293 A CN103199293 A CN 103199293A CN 2013101120913 A CN2013101120913 A CN 2013101120913A CN 201310112091 A CN201310112091 A CN 201310112091A CN 103199293 A CN103199293 A CN 103199293A
- Authority
- CN
- China
- Prior art keywords
- vanadium
- hydroxide
- preparation
- sulfate solution
- trivanadium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910052720 vanadium Inorganic materials 0.000 title claims abstract description 50
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- VLOPEOIIELCUML-UHFFFAOYSA-L vanadium(2+);sulfate Chemical compound [V+2].[O-]S([O-])(=O)=O VLOPEOIIELCUML-UHFFFAOYSA-L 0.000 title abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims abstract description 34
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 22
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 4
- 238000005406 washing Methods 0.000 claims abstract description 4
- UUUGYDOQQLOJQA-UHFFFAOYSA-L vanadyl sulfate Chemical compound [V+2]=O.[O-]S([O-])(=O)=O UUUGYDOQQLOJQA-UHFFFAOYSA-L 0.000 claims description 11
- 238000001556 precipitation Methods 0.000 claims description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- 229910021541 Vanadium(III) oxide Inorganic materials 0.000 claims description 6
- 239000012141 concentrate Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000004913 activation Effects 0.000 claims description 3
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 238000004090 dissolution Methods 0.000 claims description 3
- 239000012153 distilled water Substances 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract 3
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 abstract 2
- 239000013049 sediment Substances 0.000 abstract 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 1
- 230000003213 activating effect Effects 0.000 abstract 1
- 235000011114 ammonium hydroxide Nutrition 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 239000003792 electrolyte Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention provides a preparation method of vanadium sulfate solution for a vanadium cell. The preparation method comprises the steps of: (1) carrying out activating treatment on vanadium pentoxide by utilizing sulfuric acid, adding zinc powder as a reducing agent, and reacting to obtain a mixture of low-valence vanadium; (2) adding the excess zinc powder into the mixture obtained in the step (1) until the solution becomes purple, and filtering to remove the zinc powder; (3) adding excess ammonia water into the solution obtained in the step (2), filtering and removing divalent zinc ions, and simultaneously generating divanadium hydroxide; (4) oxidizing divanadium hydroxide in air to generate trivanadium hydroxide, and filtering to obtain trivanadium hydroxide sediments; and (5) repeatedly washing trivanadium hydroxide sediments, heating and concentrating trivanadium hydroxide, and dissolving trivanadium hydroxide by utilizing sulfuric acid, so as to obtain vanadium sulfate solution containing bivalent vanadium. Compared with the prior art, the vanadium sulfate solution prepared by utilizing the preparation method provided by the invention has a good charge-discharge property while being used in the vanadium cell.
Description
Technical field
The present invention relates to a kind of preparation method, relate in particular to a kind of vanadic sulfate solution manufacturing method that is used for vanadium cell that can obtain better charge-discharge performance.
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.Therefore, electrolyte is in important status in the research of vanadium cell, therefore need find the suitable electrolyte that is used for vanadium cell, at present with vanadic sulfate [V
3(SO
4)
2] solution is used in the electrolyte of vanadium cell becomes a research direction.
Summary of the invention
The technical problem that the present invention mainly solves is to find the suitable electrolyte that is used for vanadium cell.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses a kind of vanadic sulfate solution manufacturing method for vanadium cell, comprising:
(1) vanadic oxide is used sulfuric acid carry out activation processing, and add zinc powder as reducing agent, obtain the mixture of vanadium at a low price after the reaction;
(2) in the mixture of step (1), add excessive zinc powder until the solution becomes purple, remove by filter zinc powder;
(3) step (2) gained solution is added excessive ammonia, remove by filter divalent zinc ion, generate hydroxide two vanadium simultaneously;
(4) hydroxide two vanadium are carried out oxidation in air and generate hydroxide three vanadium, filter hydroxide three vanadium precipitation;
(5) repeatedly wash hydroxide three vanadium precipitation, heating concentrates hydroxide three vanadium, uses sulfuric acid dissolution hydroxide three vanadium again, obtains containing the vanadic sulfate solution of trivalent vanadium.
In a preferred embodiment of the present invention, the described vanadic oxide in the step (1) is quality purity more than or equal to 99% solid state powder.
In a preferred embodiment of the present invention, the volumetric concentration of the sulfuric acid in the step (5) is 1:1.5.
In a preferred embodiment of the present invention, adopt distilled water washing hydroxide three vanadium precipitation in the step (5).
In a preferred embodiment of the present invention, adopt the steam heating to concentrate hydroxide three vanadium in the step (5).
Compared to prior art, the prepared vanadic sulfate solution of preparation method of the present invention is used in has charge-discharge performance preferably in the vanadium cell.
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 vanadic sulfate solution manufacturing method for vanadium cell, comprising:
(1) vanadic oxide is used sulfuric acid carry out activation processing, and add zinc powder as reducing agent, obtain the mixture of vanadium at a low price after the reaction;
(2) in the mixture of step (1), add excessive zinc powder until the solution becomes purple, remove by filter zinc powder;
(3) step (2) gained solution is added excessive ammonia, remove by filter divalent zinc ion, generate hydroxide two vanadium simultaneously;
(4) hydroxide two vanadium are carried out oxidation in air and generate hydroxide three vanadium, filter hydroxide three vanadium precipitation;
(5) repeatedly wash hydroxide three vanadium precipitation, heating concentrates hydroxide three vanadium, uses sulfuric acid dissolution hydroxide three vanadium again, obtains containing the vanadic sulfate solution of trivalent vanadium.
Preferably, the described vanadic oxide in the step (1) is quality purity more than or equal to 99% solid state powder.
Preferably, the volumetric concentration of the sulfuric acid in the step (5) is 1:1.5.
Preferably, adopt distilled water washing hydroxide three vanadium precipitation in the step (5).
Preferably, adopt the steam heating to concentrate hydroxide three vanadium in the step (5).
Compared to prior art, the prepared vanadic sulfate solution of preparation method of the present invention is used in has charge-discharge performance preferably in the vanadium cell.
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 (5)
1. a vanadic sulfate solution manufacturing method that is used for vanadium cell is characterized in that, comprising:
(1) vanadic oxide is used sulfuric acid carry out activation processing, and add zinc powder as reducing agent, obtain the mixture of vanadium at a low price after the reaction;
(2) in the mixture of step (1), add excessive zinc powder until the solution becomes purple, remove by filter zinc powder;
(3) step (2) gained solution is added excessive ammonia, remove by filter divalent zinc ion, generate hydroxide two vanadium simultaneously;
(4) hydroxide two vanadium are carried out oxidation in air and generate hydroxide three vanadium, filter hydroxide three vanadium precipitation;
(5) repeatedly wash hydroxide three vanadium precipitation, heating concentrates hydroxide three vanadium, uses sulfuric acid dissolution hydroxide three vanadium again, obtains containing the vanadic sulfate solution of trivalent vanadium.
2. preparation method according to claim 1 is characterized in that, the described vanadic oxide in the step (1) is quality purity more than or equal to 99% solid state powder.
3. preparation method according to claim 1 is characterized in that, the volumetric concentration of the sulfuric acid in the step (5) is 1:1.5.
4. preparation method according to claim 1 is characterized in that, adopts distilled water washing hydroxide three vanadium precipitation in the step (5).
5. preparation method according to claim 1 is characterized in that, adopts the steam heating to concentrate hydroxide three vanadium in the step (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101120913A CN103199293A (en) | 2013-04-01 | 2013-04-01 | Preparation method of vanadium sulfate solution for vanadium cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101120913A CN103199293A (en) | 2013-04-01 | 2013-04-01 | Preparation method of vanadium sulfate solution for vanadium cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103199293A true CN103199293A (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101120913A Pending CN103199293A (en) | 2013-04-01 | 2013-04-01 | Preparation method of vanadium sulfate solution for vanadium cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103199293A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104058455A (en) * | 2013-10-25 | 2014-09-24 | 攀钢集团攀枝花钢铁研究院有限公司 | Vanadium sulfate preparation method |
| CN115799586A (en) * | 2022-12-12 | 2023-03-14 | 南阳汉鼎高新材料有限公司 | Sulfuric acid/hydrochloric acid mixed acid system high-performance vanadium battery electrolyte and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1491898A (en) * | 2002-09-25 | 2004-04-28 | 攀枝花钢铁有限责任公司钢铁研究院 | Preparation method and application of vanadyl sulfate |
| CN1598063A (en) * | 2003-09-18 | 2005-03-23 | 攀枝花钢铁有限责任公司钢铁研究院 | Process for electrolyzing preparing electrolyte of full vanadium ion flow battery |
| CN1719655A (en) * | 2005-03-29 | 2006-01-11 | 攀钢集团攀枝花钢铁研究院 | All-vanadium ion flow battery electrolyte and preparation method thereof |
| CN101126124A (en) * | 2007-07-06 | 2008-02-20 | 北京普能世纪科技有限公司 | Method for preparing high-purity electrolyte for vanadium battery from stone-like coal |
-
2013
- 2013-04-01 CN CN2013101120913A patent/CN103199293A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1491898A (en) * | 2002-09-25 | 2004-04-28 | 攀枝花钢铁有限责任公司钢铁研究院 | Preparation method and application of vanadyl sulfate |
| CN1598063A (en) * | 2003-09-18 | 2005-03-23 | 攀枝花钢铁有限责任公司钢铁研究院 | Process for electrolyzing preparing electrolyte of full vanadium ion flow battery |
| CN1719655A (en) * | 2005-03-29 | 2006-01-11 | 攀钢集团攀枝花钢铁研究院 | All-vanadium ion flow battery electrolyte and preparation method thereof |
| CN101126124A (en) * | 2007-07-06 | 2008-02-20 | 北京普能世纪科技有限公司 | Method for preparing high-purity electrolyte for vanadium battery from stone-like coal |
Non-Patent Citations (1)
| Title |
|---|
| 周筝等: "储能钒电池电解液制备", 《成都电子机械高等专科学校学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104058455A (en) * | 2013-10-25 | 2014-09-24 | 攀钢集团攀枝花钢铁研究院有限公司 | Vanadium sulfate preparation method |
| CN115799586A (en) * | 2022-12-12 | 2023-03-14 | 南阳汉鼎高新材料有限公司 | Sulfuric acid/hydrochloric acid mixed acid system high-performance vanadium battery electrolyte and preparation method thereof |
| CN115799586B (en) * | 2022-12-12 | 2023-09-01 | 南阳汉鼎高新材料有限公司 | High-performance vanadium battery electrolyte of sulfuric acid/hydrochloric acid mixed acid system and preparation method thereof |
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| C06 | Publication | ||
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| ASS | Succession or assignment of patent right |
Owner name: PU NING Free format text: FORMER OWNER: HU GUOLIANG Effective date: 20140416 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 528401 ZHONGSHAN, GUANGDONG PROVINCE TO: 518052 SHENZHEN, GUANGDONG PROVINCE |
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| TA01 | Transfer of patent application right |
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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| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130710 |