CN101562257A - All vanadium redox flow battery structure - Google Patents
All vanadium redox flow battery structure Download PDFInfo
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- CN101562257A CN101562257A CNA2009100153716A CN200910015371A CN101562257A CN 101562257 A CN101562257 A CN 101562257A CN A2009100153716 A CNA2009100153716 A CN A2009100153716A CN 200910015371 A CN200910015371 A CN 200910015371A CN 101562257 A CN101562257 A CN 101562257A
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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
- Y02E60/10—Energy storage using batteries
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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 discloses an all vanadium redox flow battery structure, comprising at least two single batteries; the single battery comprises two liquid flow frames; an ion exchange membrane is arranged between the two liquid flow frames; liquid flow passages are respectively arranged on the two liquid flow frames; the liquid flow frames clamp the ion exchange membrane to respectively form a first hermetic liquid storage chamber and a second hermetic liquid storage chamber; carbon-based electrode materials are respectively arranged in the first liquid storage chamber and the second liquid storage chamber; a first liquid storage pot and a second liquid storage pot are respectively communicated with the liquid flow frames; the first liquid storage chamber is communicated with the first liquid storage pot via one liquid flow passage; the second liquid storage chamber is communicated with the second liquid storage pot via the other liquid flow passage; the single batteries are connected in series via a bipolar electrode. In the structure, derious liquid flow passages are arranged on the liquid flow frames, perfluorinated ion exchange membrane serves as the ion exchange membrane and flow passages or flow chutes are arranged on the external surfaces of the carbon-based electrode materials, thereby improving electric energy transfer efficiency and uniformity of single battery property.
Description
Technical field
The present invention relates to the liquid flow energy storage battery field, relate in particular to a kind of battery structure of all vanadium ion redox flow.
Background technology
The chemical power source of at present extensive energy storage is mainly based on lead-acid battery, conversion efficiency is generally about 55%, and lead-acid battery exists, and weight is big, specific energy is low, can not the degree of depth discharge and recharge, useful life technical disadvantages such as weak point, contaminated environment, so it is difficult to the real large-scale energy storage that realizes.
Vanadium oxide reduction flow battery is a kind of environmental protection battery, vanadium oxide reduction flow battery is mainly used in extensive place such as power plant or power station as accumulation power supply, the accumulation power supply of extensive opto-electronic conversion, wind power generation and as the border district energy-storage system, and uninterrupted power supply or emergency power system, but the big extremely portion of vanadium oxide reduction flow battery still is in the laboratory test stage at home.
At present, at home and abroad there is no the single battery heap above 2.5KW, single pile voltage is generally 12V or 24V, and this situation restriction vanadium cell is realized high power, high-tension developing direction.The main at present problem that exists is:
1, liquid flow frame is not offered the liquid runner or offer linear pattern liquid runner on the end plate of front and back, the electric leakage branch current that this structure causes electrolyte to form easily is big, the bipolar electrode corrosion rate is fast, voltage skewness between monomer, lower energy conversion efficiency, reduced battery useful life;
2, the material with carbon element electrode that uses is now generally selected external product for use, it costs an arm and a leg, increased product cost, and homemade material with carbon element electrode price is relatively cheap, but the surface of material with carbon element electrode and the adsorptivity of electrolyte are poor, make that the electrolyte reaction is insufficient, and spread in performance such as electrode activity and thickness evenness are uneven, influenced the uniformity of cell performance;
3, amberplex is as one of battery core parts, adopt the proton exchange membrane stable performance of external E.I.Du Pont Company, life-span is long, but cost an arm and a leg, increased the manufacturing cost of battery structure, and its current efficiency is not high, does not have still at present preferably that technical scheme solves this technical barrier, has restricted the development of vanadium cell;
4, under the circular flow state,, shortened the life-span of battery greatly, increased user's use cost because the electric leakage branch current that electrolyte forms causes the bipolar electrode corrosion rate too fast.By foregoing description as can be known, prior art awaits further developing.
Summary of the invention
The present invention changes the structure of cell in the prior art for solving above-mentioned defective of the prior art and provide a kind of battery structure of all vanadium ion redox flow, to improve energy conversion efficiency, prolongs battery useful life, reduces manufacturing cost.
For solving the problems of the technologies described above, the present invention program comprises:
A kind of battery structure of all vanadium ion redox flow, it comprises at least two cells, wherein, this cell comprises two liquid flow frames, is respectively arranged with the liquid runner on the liquid flow frame, is provided with amberplex between two liquid flow frames, liquid flow frame clamps this amberplex, form the first airtight fluid reservoir and second fluid reservoir respectively, be full of vanadium ion electrolyte respectively in first fluid reservoir and second fluid reservoir, be respectively arranged with the material with carbon element electrode in first fluid reservoir and second fluid reservoir; First fluid reservoir, second fluid reservoir are connected with liquid flow frame respectively, and first fluid reservoir is connected with first fluid reservoir by the liquid runner, and second fluid reservoir is connected with second fluid reservoir by another liquid runner; Be cascaded by bipolar electrode between the cell.
Described battery structure, wherein, above-mentioned liquid flow frame is provided with band bending and repeatedly circuitous liquid runner, and the section of this liquid runner approaches Z-shaped or a plurality of Z-shaped shapes that link together; Two liquid flow frames in the cell are centrosymmetric.
Described battery structure wherein, is respectively arranged with at least one inlet and a liquid outlet on the both sides sheet frame of above-mentioned liquid flow frame, be provided with fluid hole with the sheet frame of inlet homonymy, and inlet is connected with fluid hole by the liquid runner; Be provided with inlet opening with the sheet frame of liquid outlet homonymy, liquid outlet is connected with inlet by the liquid runner; Inlet is connected with first fluid reservoir or second fluid reservoir respectively with liquid outlet.
Described battery structure, wherein, the trend of above-mentioned circuitous liquid runner is provided with along the sheet frame direction.
Described battery structure, wherein, above-mentioned amberplex is a perfluorinated sulfonic acid ion exchange membrane.
Described battery structure, wherein, this battery structure is provided with 40 cells, and each cell is combined in series by bipolar electrode, and each cell adopts the embedding overlapped way to fit together; Be respectively arranged with cell liquor pump between first fluid reservoir, second fluid reservoir and the pile.
Described battery structure, wherein, above-mentioned material with carbon element electrode is through high-temperature oxydation or pre-acid treatment, and the outer surface of material with carbon element electrode is provided with runner or chute uniformly, and the upper and lower surface of liquid flow frame is provided with sealing gasket.
Described battery structure, wherein, this battery structure comprises front end-plate and end plate, and the cell that is combined in series is arranged between front end-plate and the end plate, and front end-plate and end plate clamp the cell of combining.
Described battery structure, wherein, bipolar electrode is made by graphite or composite material, and sealing gasket is made by fluosilicic rubber, and this battery structure is sealed by the fluosilicic rubber gasket, and is coated with anti-corrosion film on the bipolar electrode.
Described battery structure, wherein, between the cell and first fluid reservoir, second fluid reservoir public trunk line is set respectively, this public trunk line is connected with each liquid flow frame respectively, and vanadium ion electrolyte enters respectively in each cell by public trunk line.
The battery structure of a kind of all vanadium ion redox flow provided by the invention, offer the liquid runner at liquid flow frame, and this liquid runner is a winding type, strengthened the effective resistance of branch road in the battery operation process, when having avoided high-power discharging and recharging to the corrosion of electrode, this kind liquid flow frame can in time disconnect the connection of homopolarity electrolyte in each cell when battery is out of service, reduced the self discharge speed that branch current caused after battery stopped to circulate significantly, increased energy conversion efficiency, especially the present invention adopts perfluorinated sulfonic acid ion exchange membrane in cell, reduced the manufacturing cost of battery structure significantly, make big electric current, the high voltage operation is more stable, and runner or the chute that is evenly distributed is set on the material with carbon element electrode, lowered the flow resistance of electrolyte stream, and improved the harmony of performance between each cell, strengthened the overall performance of battery structure, further reduced the manufacturing cost of battery structure, on the outer surface of bipolar electrode, cover a skim, make battery structure under the circular flow condition, prevent the corrosion of electrolyte electrode; Adopt battery structure of the present invention to make the gross energy utilance reach 70%-80%, the electric current conversion ratio reaches more than 90%, and the voltage conversion ratio reaches more than 80%, this shows, the present invention is the very big progress of prior art.
Description of drawings
Fig. 1 is the principle schematic of battery structure among the present invention;
Fig. 2 is the cross section structure schematic diagram of cell among the present invention;
Fig. 3 be among the present invention liquid flow frame with and on the cross section structure schematic diagram of electrolyte channel is set.
Embodiment
Below with reference to accompanying drawing, comparatively detailed explanation is carried out in each preferred embodiment among the present invention.
The invention provides a kind of battery structure of all vanadium ion redox flow, offer circuitous liquid runner at liquid flow frame, and in cell, adopt perfluorinated sulfonic acid ion exchange membrane, runner or the chute that is evenly distributed is set on the outer surface of material with carbon element electrode, improved energy conversion efficiency, strengthen the overall performance of battery structure, prolonged battery useful life.As Fig. 1 and shown in Figure 3, the battery structure of all vanadium ion redox flow of the present invention comprises at least two cells 8, this cell 8 comprises two liquid flow frames, each liquid flow frame is shown in the liquid flow frame among Fig. 3 21, and be provided with amberplex 4 between two liquid flow frames, be respectively arranged with the liquid runner on the liquid flow frame; Liquid flow frame clamps this amberplex 4, form the first airtight fluid reservoir 9 and second fluid reservoir 10 respectively, be full of vanadium ion electrolyte respectively in first fluid reservoir 9 and second fluid reservoir 10, be respectively arranged with material with carbon element electrode 5 in first fluid reservoir 9 and second fluid reservoir 10; First fluid reservoir 11, second fluid reservoir 12 are connected with the public trunk line of the liquid in-out interruption-forming of a plurality of liquid flow frames respectively, first fluid reservoir 9 is connected with first fluid reservoir 11 by the liquid runner, and second fluid reservoir 10 is connected with second fluid reservoir 12 by another liquid runner; Be cascaded by bipolar electrode between each cell 8, and above-mentioned each liquid flow frame 21 is provided with the center symmetry and has the repeatedly circuitous circuitous liquid runner 3 of bending, circuitous liquid runner 22, should approach Z-shaped or a plurality of Z-shaped shapes that link together with the longitudinal section of circuitous liquid runner 22 by circuitous liquid runner 3, two liquid flow frames in the cell 8 are the center symmetry, should make the liquid runner in the technology prolong 1-50 doubly than existing by circuitous liquid runner, especially increased electric leakage branch road resistance 100-2000 times that electrolyte forms, reduced the situation of self-discharge of battery significantly, made above-mentioned battery structure move safety and stability more.Be full of the vanadium ion electrolyte of pentavalent and tetravalence in the present embodiment in first fluid reservoir 9 and first fluid reservoir 11, be full of the vanadium ion electrolyte of divalence and trivalent in second fluid reservoir 10 and second fluid reservoir 12, certainly vanadium ion electrolyte and the connected relation in fluid reservoir and the fluid reservoir can be changed, but following examples are all described according to above-mentioned connected relation for convenience of description.By foregoing description as can be known, the present invention is provided with circuitous liquid runner on liquid flow frame, strengthened the effective resistance of branch road in the battery operation process, when having avoided effectively that battery structure is high-power to charge and discharge, electrolyte is to the corrosion of battery lead plate, the vertical circuitous configuration of its runner is when battery is out of service simultaneously, can in time disconnect the connection between the homopolarity electrolyte in each monomer in the battery means, reduced the self discharge speed that branch current caused after battery stopped to circulate significantly, increased energy conversion efficiency, made the gross energy utilance of battery structure reach 70%-80%.
In order further to improve the performance of battery structure among the present invention, as Fig. 1, Fig. 2 and shown in Figure 3, be respectively arranged with at least one inlet 15 and a liquid outlet 16 on the both sides sheet frame of above-mentioned liquid flow frame 21, also be provided with second inlet 17 and second liquid outlet 18 in the present embodiment, second inlet 17 is provided with for being communicated with another liquid flow frame with second liquid outlet 18, also can adopt other set-up mode certainly for the performance that better improves cell; Be provided with fluid hole 19 with the sheet frame of inlet 15 homonymies, inlet 15 is connected with fluid hole 19 by circuitous liquid runner 3; Be provided with inlet opening 20 with the sheet frame of liquid outlet 16 homonymies, liquid outlet 16 is connected with inlet opening 20 by circuitous liquid runner 22; Inlet 15 is connected with first fluid reservoir 11 or second fluid reservoir 12 respectively with liquid outlet 16, and circuitous liquid runner 3 is provided with along the sheet frame direction with the trend of circuitous liquid runner 22.In the present embodiment, circuitous liquid runner 3 is vertically to be provided with circuitous liquid runner 22, energy conversion efficiency the best of this kind setting, and inlet 15 is arranged on the upper left corner of sheet frame, and fluid hole 19 is arranged on the lower left corner of sheet frame inboard; Liquid outlet 16 is arranged on the lower right corner of sheet frame, inlet opening 20 is arranged on the upper right corner of sheet frame inboard, but the user uses or other purposes for convenience, inlet 15, liquid outlet 16, fluid hole 19 and inlet opening 20 can be arranged on other suitable positions of liquid flow frame 21, give unnecessary details no longer one by one at this.Especially between two liquid flow frames, perfluorinated sulfonic acid ion exchange membrane is set, this amberplex has very high resistance vanadium performance, have good ion selectivity and excellent electrochemical properties, its useful life is very long, improved the transformation efficiency of electric current, general proton exchange membrane or amberplex are along with the boosted voltage efficient of current density in the battery can reduce rapidly, and use perfluorinated sulfonic acid ion exchange membrane provided by the invention, the electric current conversion ratio is reached more than 90%, the voltage conversion ratio reaches more than 80%, allow the big voltage of battery, big electric current operation is more stable, and vanadium cell was increased to more than 20 years by original 15 years useful life.And above-mentioned material with carbon element electrode 5 is through high-temperature oxydation or pre-acid treatment, the outer surface of material with carbon element electrode 5 is provided with runner or chute uniformly, the limit portion of sheet frame is provided with sealing gasket 2, sealing gasket 2 seals the periphery of sheet frame, stability when having increased the battery structure operation, and the runner that is provided with on the material with carbon element electrode 5 or chute have increased the area that electrolyte carries out chemical reaction, further improved the conversion efficiency of electric energy, liquid runner on the sheet frame closely contacts with runner or chute on the material with carbon element electrode 5, make electrolyte solution fully circulation in cell 8, can better finish chemical reaction, thereby make in the battery structure voltage ratio between the every cell 8 more even, in the prior art between cell the voltage difference scope between 0.1V-1V, and adopt structure of the present invention to solve the technical barrier that voltage has a long way to go between the different monomers, make between cell the voltage difference scope between 0.01V-0.02V.This battery structure is provided with 40 cells 8, and each cell 8 is combined in series by bipolar electrode, and adopts between each cell 8 and embed overlapped way and fit together; First fluid reservoir 11, be respectively arranged with cell liquor pump 13 between second fluid reservoir 12 and the liquid flow frame 21, cell liquor pump 23, the structure of in Fig. 1, only representing a cell, each cell can be provided with two fluid reservoirs or a plurality of fluid reservoir, when being provided with a plurality of cell, also two fluid reservoirs can only be set, a fluid reservoir is connected with the liquid flow frame of homopolarity side respectively by a plurality of pipelines, a fluid reservoir is connected with the liquid flow frame of another utmost point side respectively by a plurality of pipelines in addition, be connected with the liquid flow frame of all side of the positive electrode such as first fluid reservoir 11, then second fluid reservoir 12 is connected with the liquid flow frame of all negative side, public trunk line can certainly be set between fluid reservoir and cell, first fluid reservoir 11 and second the fluid reservoir 12 public trunk line by separately respectively are connected with each liquid flow frame, its set-up mode also has other multiple modes, enumerates no longer one by one at this.Above-mentioned battery structure comprises front end-plate 1 and end plate 6, the cell 8 that is combined in series is arranged between front end-plate 1 and the end plate 6, front end-plate 1 clamps this tandem compound with end plate 6, and bipolar electrode is made by graphite or other suitable composite materials, sealing gasket 2 is made by fluosilicic rubber, this battery structure is by 2 sealings of fluosilicic rubber gasket, and be coated with anti-corrosion film on the bipolar electrode, make among the present invention battery structure at big electric current, the circular flow state of big voltage can effectively prevent the corrosion of electrolyte to electrode down, has further improved the useful life of above-mentioned battery structure.In sum, vanadium cell is a kind of pollution-free environmental protection and high-power outstanding battery in theory, and its application prospect is boundless; At present, argumentation to vanadium cell generally is present in theoretical aspect, if concrete enforcement need overcome many technical barriers, and the present invention has overcome a multiple technologies difficult problem through test of many times, employing is provided with circuitous liquid runner on the sheet frame of liquid flow frame, perfluorinated sulfonic acid ion exchange membrane is being set between the liquid flow frame and the runner be evenly distributed is being set or structure such as chute on the outer surface of material with carbon element electrode, make battery structure gross energy utilance reach 70%-80%, the electric current conversion ratio reaches more than 90%, the voltage conversion ratio reaches more than 80%, increased substantially the overall performance of battery, made battery structure move stability and safety more.
In order further to set forth the present invention, existing must discharging and recharging with a battery structure is that example describes.For example battery structure is provided with 80 cells 8, and be full of the vanadium ion electrolyte of pentavalent and tetravalence in first fluid reservoir 11, be full of the vanadium ion electrolyte of divalence and trivalent in second fluid reservoir 12, first fluid reservoir 11 is connected with the liquid flow frame of all side of the positive electrode, then second fluid reservoir 12 is connected with the liquid flow frame of all negative side, and battery structure is connected with user, electric energy structure respectively by current converter 14.When battery structure is started working, cell liquor pump 13 is started working with cell liquor pump 23, respectively the vanadium ion electrolyte in second fluid reservoir 12, first fluid reservoir 11 is sent to fluid reservoir separately, reduction and oxidation reaction take place respectively in vanadium ion electrolyte on the material with carbon element electrode electrode 5 of perfluorinated sulfonic acid ion exchange membrane 4 both sides then, after treating that electrochemical reaction is finished, electrolyte is sent to the trunk line interflow by liquid flow frame again and gets back to fluid reservoir formation loop, active material constantly circulates, and finishes the charge and discharge process of cell 8 thus.
The reaction equation of above-mentioned electrochemical reaction is as follows:
Anodal: VO
2 +2H
++ e=VO
2++ H
2O
V
0＝0.999V(vs.NHE)
Negative pole: V
2+-e=V
3+V
0=-0.255V (vs.NHE)
For a better understanding of the present invention, now illustrate further the ruuning situation of monolithic battery in the cell.As shown in Figure 3, be communicated with liquid flow frame 21 inner flow passages with liquid outlet 16 with inlet 15, constitute the circulation liquid in-out passage of half battery, inlet 15 constitutes anodal circulation liquid in-out passage with liquid outlet 16 for convenience, and in like manner second inlet 17 and second liquid outlet 18 constitute the circulation liquid in-out passage of negative pole; And corresponding inlet is connected with liquid outlet with inlet, liquid outlet between each liquid flow frame.When vanadium ion electrolyte enters liquid flow frame 21 by first fluid reservoir 11, electrolyte enters circuitous liquid runner 3 through inlet 15, electrolyte is entered in first fluid reservoir 9 by circuitous liquid runner 3 again, and electrolyte is after carrying out electrochemical reaction on the chute on the material with carbon element electrode 5, electrolyte enters circuitous liquid runner 22 through inlet opening 20, electrolyte is entered in first fluid reservoir 11 by circuitous liquid runner 3 again, form a duty cycle, the synchronous electrolyte through second inlet 17 and second liquid outlet 18 is also finished a duty cycle, and cell liquor pump 13 and cell liquor pump 23 in working order always in the above-mentioned course of work.And when cell liquor pump 13 and cell liquor pump 23 quit work, because electrolyte runs out of steam, suck-back or backflow situation will inevitably appear in electrolyte, but because a plurality of bendings that circuitous liquid runner 3 and circuitous liquid runner 22 have, increased the resistance of electrolyte suck-back, must make the electrolyte in the circuitous liquid runner fracture occur, circuitous liquid runner 3 and the electrolyte in the circuitous liquid runner 22 are opened at bending place, liquid runner top point, thereby disconnect between each cell and the stream of the liquid between each cell and the fluid reservoir, disconnected getting in touch of battery electrolyte inside and extraneous electrolyte, guaranteed the electric weight of vanadium cell internal reservoir, make vanadium cell not rely on cycle charging also can start the circulatory system in one period considerable time, be user's continued power, make the gross energy utilance of vanadium cell reach 70%-80%, the electric current conversion ratio reaches more than 90%, and the voltage conversion ratio reaches more than 80%; And circuitous liquid runner of the present invention has been blocked the self discharge between each cell, and electrolyte has prolonged the useful life of vanadium cell to the corrosion of battery lead plate when effectively having avoided high-power charging and discharging.
Should be understood that; it is comparatively detailed that above-mentioned each preferred embodiment is described; but should not be construed as limitation of the present invention; protection scope of the present invention should be as the criterion with claims, and those skilled in the art are subjected to enlightenment of the present invention simply to replace, make up or be out of shape should to fall within the scope of protection of the present invention.
Claims (10)
1, a kind of battery structure of all vanadium ion redox flow, it comprises at least two cells, it is characterized in that: this cell comprises two liquid flow frames, liquid flow frame is provided with the liquid runner, be provided with amberplex between two liquid flow frames, liquid flow frame clamps this amberplex, form the first airtight fluid reservoir and second fluid reservoir respectively, be full of vanadium ion electrolyte respectively in first fluid reservoir and second fluid reservoir, be respectively arranged with the material with carbon element electrode in first fluid reservoir and second fluid reservoir; First fluid reservoir, second fluid reservoir are connected with liquid flow frame respectively, and first fluid reservoir is connected with first fluid reservoir by the liquid runner, and second fluid reservoir is connected with second fluid reservoir by another liquid runner; Be cascaded by bipolar electrode between the cell.
2, battery structure according to claim 1 is characterized in that: above-mentioned liquid flow frame is provided with band bending and repeatedly circuitous liquid runner, and the section of this liquid runner approaches Z-shaped or a plurality of Z-shaped shapes that link together; Two liquid flow frames in the cell are centrosymmetric.
3, battery structure according to claim 1 and 2, it is characterized in that: be respectively arranged with at least one inlet and a liquid outlet on the both sides sheet frame of above-mentioned liquid flow frame, be provided with fluid hole with the sheet frame of inlet homonymy, inlet is connected with fluid hole by the liquid runner; Be provided with inlet opening with the sheet frame of liquid outlet homonymy, liquid outlet is connected with inlet by the liquid runner; Inlet is connected with first fluid reservoir or second fluid reservoir respectively with liquid outlet.
4, battery structure according to claim 3 is characterized in that: the trend of above-mentioned circuitous liquid runner is provided with along the sheet frame direction.
5, battery structure according to claim 1 is characterized in that: above-mentioned amberplex is a perfluorinated sulfonic acid ion exchange membrane.
6, battery structure according to claim 3 is characterized in that: this battery structure is provided with 40 cells, and each cell is combined in series by bipolar electrode, and each cell adopts the embedding overlapped way to fit together; Be respectively arranged with cell liquor pump between first fluid reservoir, second fluid reservoir and the pile.
7, battery structure according to claim 1 and 2 is characterized in that: above-mentioned material with carbon element electrode is through high-temperature oxydation or pre-acid treatment, and the outer surface of material with carbon element electrode is provided with runner or chute uniformly, and the upper and lower surface of liquid flow frame is provided with sealing gasket.
8, battery structure according to claim 4, it is characterized in that: this battery structure comprises front end-plate and end plate, the cell that is combined in series is arranged between front end-plate and the end plate, and front end-plate and end plate clamp the cell of combining.
9, battery structure according to claim 7 is characterized in that: bipolar electrode is made by graphite or composite material, and sealing gasket is made by fluosilicic rubber, and this battery structure is sealed by the fluosilicic rubber gasket, and is coated with anti-corrosion film on the bipolar electrode.
10, battery structure according to claim 3, it is characterized in that: between the cell and first fluid reservoir, second fluid reservoir public trunk line is set respectively, this public trunk line is connected with each liquid flow frame respectively, and vanadium ion electrolyte enters respectively in each cell by public trunk line.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013016919A1 (en) * | 2011-08-01 | 2013-02-07 | 中国东方电气集团有限公司 | Flow battery pile and flow battery system having same |
| CN106207222A (en) * | 2016-08-31 | 2016-12-07 | 安徽远东船舶有限公司 | A kind of multilamellar ionic membrane combination electrode vanadium cell |
| CN106252690A (en) * | 2016-08-12 | 2016-12-21 | 清华大学深圳研究生院 | A kind of method and system extending all-vanadium flow battery cycle life |
| CN108183254A (en) * | 2018-02-09 | 2018-06-19 | 广州市泓能五金有限公司 | Vanadium cell energy saving and that stability test can be improved |
| CN110137553A (en) * | 2018-02-09 | 2019-08-16 | 国家能源投资集团有限责任公司 | Flow battery and battery pile |
| CN110313094A (en) * | 2016-12-21 | 2019-10-08 | 京瓷株式会社 | Flow battery |
| CN116505049A (en) * | 2023-06-27 | 2023-07-28 | 杭州德海艾科能源科技有限公司 | Integrated battery cell for flow battery and manufacturing method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101192676A (en) * | 2007-05-29 | 2008-06-04 | 北京普能世纪科技有限公司 | Large power redox flow cell device electric pile structure |
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2009
- 2009-05-27 CN CN2009100153716A patent/CN101562257B/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013016919A1 (en) * | 2011-08-01 | 2013-02-07 | 中国东方电气集团有限公司 | Flow battery pile and flow battery system having same |
| CN106252690A (en) * | 2016-08-12 | 2016-12-21 | 清华大学深圳研究生院 | A kind of method and system extending all-vanadium flow battery cycle life |
| CN106207222A (en) * | 2016-08-31 | 2016-12-07 | 安徽远东船舶有限公司 | A kind of multilamellar ionic membrane combination electrode vanadium cell |
| CN106207222B (en) * | 2016-08-31 | 2018-11-20 | 重庆市中欣维动力科技股份有限公司 | A kind of multilayer ion film composite electrode vanadium cell |
| CN110313094A (en) * | 2016-12-21 | 2019-10-08 | 京瓷株式会社 | Flow battery |
| CN108183254A (en) * | 2018-02-09 | 2018-06-19 | 广州市泓能五金有限公司 | Vanadium cell energy saving and that stability test can be improved |
| CN110137553A (en) * | 2018-02-09 | 2019-08-16 | 国家能源投资集团有限责任公司 | Flow battery and battery pile |
| CN110137553B (en) * | 2018-02-09 | 2022-09-02 | 国家能源投资集团有限责任公司 | Flow battery and battery stack |
| CN108183254B (en) * | 2018-02-09 | 2023-11-07 | 广州市泓能五金有限公司 | Energy-saving vanadium battery capable of improving battery stability |
| CN116505049A (en) * | 2023-06-27 | 2023-07-28 | 杭州德海艾科能源科技有限公司 | Integrated battery cell for flow battery and manufacturing method thereof |
| CN116505049B (en) * | 2023-06-27 | 2023-09-12 | 杭州德海艾科能源科技有限公司 | Integrated battery cell for flow battery and manufacturing method thereof |
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| CN101562257B (en) | 2012-06-27 |
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