CN103326054A - Redox flowing method of vanadium redox flow galvanic pile and galvanic pile - Google Patents
Redox flowing method of vanadium redox flow galvanic pile and galvanic pile Download PDFInfo
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- CN103326054A CN103326054A CN2013102741418A CN201310274141A CN103326054A CN 103326054 A CN103326054 A CN 103326054A CN 2013102741418 A CN2013102741418 A CN 2013102741418A CN 201310274141 A CN201310274141 A CN 201310274141A CN 103326054 A CN103326054 A CN 103326054A
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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
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Abstract
The invention relates to a redox flowing method of a vanadium redox flow galvanic pile and the galvanic pile. The redox flowing method of the vanadium redox flow galvanic pile is characterized in that each galvanic pile unit in the vanadium redox flow galvanic pile is taken as an independent vanadium redox circulating system. The galvanic pile comprises a plurality of galvanic pile units, and each galvanic pile unit is provided with the independent vanadium redox circulating system. After the technical scheme is adopted, vanadium redox is more uniform in circulation and distribution inside the galvanic pile, so that the whole electric performance and stability of the whole vanadium galvanic pile are greatly improved; each galvanic pile unit independently operates, so that the sealing effect is better.
Description
[technical field]
The present invention relates to the vanadium cell field, the vanadium liquid stream pile after being specifically related to a kind of liquid stream method of vanadium flow battery pile and adopting above-mentioned liquid stream method.
[background technology]
Present vanadium flow battery pile of the prior art comprises that lower shoe, bottom plate, following copper coin, a plurality of vanadium liquid that superposes successively of stack successively flow the pile unit, go up copper coin, upper head plate and upper plate, wherein vanadium liquid stream pile unit further comprises lower frame plate, carbon felt composite conducting plate again, goes up deckle board and ionic membrane, in the pile unit, the thickness of lower frame plate and last deckle board is all controlled below 10mm, and is in the majority with 8mm.In whole vanadium flow battery pile, be provided with one group of nominal price vanadium liquid circulation passage and one group of negative valency vanadium liquid circulation passage, position in the bottom end plate of whole vanadium flow battery pile is provided with the inlet of nominal price vanadium liquid and the liquid outlet of negative valency vanadium liquid, position at the upper head plate of whole vanadium flow battery pile is provided with the liquid outlet of nominal price vanadium liquid and the inlet of negative valency vanadium liquid, certainly, the liquid outlet of nominal price vanadium liquid and the inlet of negative valency vanadium liquid also can be set in the position of bottom end plate, the inlet of nominal price vanadium liquid and the liquid outlet of negative valency vanadium liquid in like manner are set in the position of upper head plate.Vanadium liquid with 5 valencys is considered as nominal price vanadium liquid in the art, and the vanadium liquid of 2 to 3 valencys is considered as negative valency vanadium liquid.
The defective of prior art is, when whole vanadium flow battery pile adopts one group of nominal price vanadium liquid circulation passage and one group of negative valency vanadium liquid circulation passage from top to bottom, vanadium liquid is very inhomogeneous at the conductance of whole stack inside, often very fast at the inlet flow velocity of vanadium liquid, the liquid outlet flow velocity that has arrived vanadium liquid progressively can reduce greatly, can make that like this electrical property of whole stack is very unstable, can produce the phenomenon of falling of voltage, in order to address this problem, the enterprise that also has adopts pressing mode, increase vanadium liquid stream at the flow velocity of pile inside, with improve vanadium liquid stream pile inside the liquid flow distribution, increase vanadium liquid stream at the flow velocity of the terminal liquid outlet of pile, after adopting the processing mode of this pressurization, the distributing uniformity of vanadium liquid stream can be good slightly, but still can not well solve vanadium liquid feed liquor part and fluid part problem as far as possible uniformly, and, the sealing of whole vanadium liquid stream pile is just poorer, can produce the problem of leakage and/or string liquid, in case produce this leakage and/or string liquid problem, to produce very large influence to whole vanadium liquid stream pile, serious even can cause scrapping of whole vanadium liquid stream pile.
[summary of the invention]
In order to solve technical problem of the prior art, the invention provides a kind of liquid stream method of vanadium liquid stream pile.
The present invention also provides a kind of vanadium liquid stream pile that adopts above-mentioned vanadium liquid stream pile liquid stream method.
The present invention solves technical scheme that the prior art problem adopts for a kind of liquid stream method of vanadium liquid stream pile is provided, and the liquid stream method of described vanadium liquid stream pile flows each pile unit in the pile as a vanadium liquid system for the distribution of commodities independently with vanadium liquid.
According to the preferred technical solution of the present invention: first working face in each pile unit arranges the inlet of nominal price vanadium liquid and the liquid outlet of negative valency vanadium liquid, second working face in this pile unit arranges the liquid outlet of nominal price vanadium liquid and the inlet of negative valency vanadium liquid, the inlet of described nominal price vanadium liquid is communicated with by first flow with the liquid outlet of described nominal price vanadium liquid, the inlet of described negative valency vanadium liquid is communicated with by second runner with the liquid outlet of described negative valency vanadium liquid, and described first flow is told between second runner with institute and is not communicated with mutually.
The present invention also provides a kind of application pile of vanadium liquid stream pile liquid stream method as mentioned above, and described pile comprises a plurality of piles unit, and each pile unit is provided with the independently vanadium liquid system for the distribution of commodities.
According to the preferred technical solution of the present invention: described pile comprises base plate, a plurality of pile unit and the top board of stack successively, described each pile unit further comprises lower frame plate, carbon felt composite conducting plate, goes up deckle board and ionic membrane, the described thickness of going up deckle board and described lower frame plate is 20mm to 35mm, described lower frame plate is provided with the inlet of nominal price vanadium liquid and the liquid outlet of negative valency vanadium liquid, described on deckle board be provided with the liquid outlet of nominal price vanadium liquid and the inlet of negative valency vanadium liquid; Perhaps described lower frame plate is provided with the liquid outlet of nominal price vanadium liquid and the inlet of negative valency vanadium liquid, deckle board is provided with the inlet of nominal price vanadium liquid and the liquid outlet of negative valency vanadium liquid on described, the inlet of described nominal price vanadium liquid is communicated with by first flow with the liquid outlet of described nominal price vanadium liquid, the inlet of described negative valency vanadium liquid is communicated with by second runner with the liquid outlet of described negative valency vanadium liquid, described first flow is told with institute and is not communicated with mutually between second runner, each pile unit is provided with the independently vanadium liquid system for the distribution of commodities, and the circulation that vanadium liquid is not set between each pile independent of each other unit connects.
According to the preferred technical solution of the present invention: the inlet that is provided with nominal price vanadium liquid in a side of described lower frame plate, be provided with the liquid outlet of negative valency vanadium liquid at the opposite side of described lower frame plate, a side of deckle board is provided with the liquid outlet of nominal price vanadium liquid on described, and the opposite side of deckle board is provided with the inlet of negative valency vanadium liquid on described; Perhaps be provided with the liquid outlet of nominal price vanadium liquid in a side of described lower frame plate, be provided with the inlet of negative valency vanadium liquid at the opposite side of described lower frame plate, a side of deckle board is provided with the inlet of nominal price vanadium liquid on described, and the opposite side of deckle board is provided with the liquid outlet of negative valency vanadium liquid on described.
According to the preferred technical solution of the present invention: the thickness of carbon felt is 30mm to 50mm in described each pile unit.
According to the preferred technical solution of the present invention: described base plate and described top board are aluminium sheet and copper coin.
After adopting technical solution of the present invention, vanadium liquid stream is more even in circulation and the distribution of pile inside, make the overall performance electrical performance of whole vanadium pile that very large raising arranged, each pile unit independent operating, sealing effectiveness is better, bottom plate and upper head plate in the former pile have been removed, saved the shared space of end plate of 90mm to 120mm, under the prerequisite that guarantees former pile size, can effectively increase the thickness of deckle board and carbon felt, the thickness of the deckle board that increases can better be realized the layout of deckle board upper runner, the thickness of the carbon felt that increases can better increase the reaction efficiency of vanadium liquid and carbon felt, and electrical property and the stability of pile is provided greatly by above-mentioned improvement.
[description of drawings]
Fig. 1. the cross-sectional structure sketch one of the single pile of the present invention unit;
Fig. 2. the cross-sectional structure sketch two of the single pile of the present invention unit;
Fig. 3. the cross-sectional structure sketch of vanadium liquid stream pile of the present invention.
[embodiment]
The invention will be further described below in conjunction with accompanying drawing.
The invention provides the liquid stream method of a kind of vanadium liquid stream pile, the liquid stream method of described vanadium liquid stream pile flows each pile unit in the pile as a vanadium liquid system for the distribution of commodities independently with vanadium liquid.
Concrete, first working face in each pile unit 100 arranges the inlet 101 of nominal price vanadium liquid and the liquid outlet 104 of negative valency vanadium liquid, second working face in this pile unit 100 arranges the liquid outlet 102 of nominal price vanadium liquid and the inlet 103 of negative valency vanadium liquid, the liquid outlet 102 of the inlet 101 of described nominal price vanadium liquid and described nominal price vanadium liquid is communicated with by first flow, the inlet 103 of described negative valency vanadium liquid is communicated with by second runner with the liquid outlet 104 of described negative valency vanadium liquid, and described first flow is told between second runner with institute and is not communicated with mutually.
The present invention also provides a kind of application pile of vanadium liquid stream pile liquid stream method as mentioned above, and described pile comprises a plurality of piles unit 100, and each pile unit 100 is provided with the independently vanadium liquid system for the distribution of commodities.
See also Fig. 1 to Fig. 3.As shown in FIG., described pile comprises base plate 106, a plurality of pile unit 100 and the top board 105 of stack successively, described each pile unit 100 further comprises lower frame plate 107, carbon felt composite conducting plate 108, goes up deckle board 109 and ionic membrane 110, the described thickness of going up deckle board 109 and described lower frame plate 107 is 20mm to 35mm, described lower frame plate 107 is provided with the inlet 101 of nominal price vanadium liquid and the liquid outlet 104 of negative valency vanadium liquid, described on deckle board 109 be provided with the liquid outlet 102 of nominal price vanadium liquid and negative valency vanadium liquid inlet 103(as shown in fig. 1).
According to first working face in each pile unit 100 inlet 101 of nominal price vanadium liquid and the liquid outlet 104 of negative valency vanadium liquid are set, second working face in this pile unit 100 arranges inlet 103 these upper statements of liquid outlet 102 and the negative valency vanadium liquid of nominal price vanadium liquid, be appreciated that, on described lower frame plate 107, also can be provided with the liquid outlet 102 of nominal price vanadium liquid and the inlet 103 of negative valency vanadium liquid, the liquid outlet 104(that deckle board 109 is provided with the inlet 101 of nominal price vanadium liquid and negative valency vanadium liquid on described as shown in Figure 2), as long as the liquid outlet 102 of the inlet 101 that satisfies nominal price vanadium liquid and nominal price vanadium liquid is not on same deckle board, the inlet 103 of negative valency vanadium liquid does not get final product at same deckle board with the liquid outlet 104 of negative valency vanadium liquid simultaneously.
In the present invention, the liquid outlet 102 of the inlet 101 of described nominal price vanadium liquid and described nominal price vanadium liquid is communicated with by first flow, the inlet 103 of described negative valency vanadium liquid is communicated with by second runner with the liquid outlet 104 of described negative valency vanadium liquid, and described first flow is told between second runner with institute and is not communicated with mutually.Do not belong to the content that the present invention protects about described deckle board 109 layouts interior and described lower frame plate 107 inner flow passages that go up, can be to runner flexible topology during use.In the present invention, each pile unit is provided with the independently vanadium liquid system for the distribution of commodities, and the runner that vanadium liquid is not set between each pile independent of each other unit connects.
In the preferred technical solution of the present invention, be provided with the inlet 101 of nominal price vanadium liquid in a side of described lower frame plate 107, be provided with the liquid outlet 104 of negative valency vanadium liquid at the opposite side of described lower frame plate 107, a side of deckle board 109 is provided with the liquid outlet 102 of nominal price vanadium liquid on described, and the inlet 103(that the opposite side of deckle board 109 is provided with negative valency vanadium liquid on described as shown in fig. 1); Be appreciated that, also can be provided with the liquid outlet 102 of nominal price vanadium liquid in a side of described lower frame plate 107, be provided with the inlet 103 of negative valency vanadium liquid at the opposite side of described lower frame plate 107, a side of deckle board 109 is provided with the inlet 101 of nominal price vanadium liquid on described, and the liquid outlet 104(that the opposite side of deckle board 109 is provided with negative valency vanadium liquid on described as shown in Figure 2).
After adopting technique scheme, make vanadium liquid stream more even in circulation and the distribution of pile inside, make the overall performance electrical performance of whole vanadium pile and stability that very large raising arranged.
After adopting technical solution of the present invention, under the prerequisite that satisfies vanadium liquid flowing speed and flow, bottom plate and upper head plate in the former pile have been removed, in the former pile bottom plate and upper head plate must be set, reason is that bottom plate and upper head plate are provided with advancing of vanadium liquid, the circulation passage of liquid outlet and vanadium liquid, the vanadium liquid that flows into by vanadium liquid inlet is effectively flow in the vanadium liquid runner in the deckle board, adopt the bottom plate and the upper head plate that then do not need vanadium pile indispensability in the prior art after the technical solution of the present invention fully, so just saved the shared space of end plate of 90mm to 120mm.The purpose that the prior art scheme increases bottom plate and upper head plate is that the vanadium liquid that satisfies whole stack flows flow control, adopt each pile unit as one independently after the vanadium liquid system for the distribution of commodities in the present invention, better realized the flow control of vanadium liquid stream, so do not need bottom plate and upper head plate.In order to optimize the electrical property of vanadium pile more, in the present invention, increased the thickness of deckle board 109 and lower frame plate 107 on the deckle board, make the thickness of deckle board 109 and lower frame plate 107 be increased to 20mm to 35mm, like this can be so that the degree of depth of the runner of arranging on upper ledge plate 109 and the lower frame plate 107 be darker, can take more vanadium liquid in the runner in, so also increased the flow of vanadium liquid, can effectively improve the overall performance electrical performance of vanadium pile, in the present invention, not only the runner of vanadium liquid stream is deepened, the thickness of carbon felt 111 also is increased to 30mm to 50mm in described each pile unit, after having increased the thickness of carbon felt 111, make that the reaction of vanadium liquid in carbon felt 111 is more abundant, also can increase the overall performance electrical performance of vanadium pile greatly.
In technical solution of the present invention, described base plate 106 and described top board 105 are aluminium sheet 112 and copper coin 113.
Below be example with Fig. 1 and Fig. 3, the course of work of the present invention is described:
Nominal price vanadium liquid injects the inlet 101 that is positioned at the nominal price vanadium liquid on the lower frame plate 107 in tank body, subsequently, nominal price vanadium liquid flows in the first flow on the described lower frame plate 107 by inlet, the first flow of nominal price vanadium liquid in lower frame plate 107 flowed through and entered first flow on the upper ledge plate 109 behind the carbon felt 111, and the liquid outlet 102 through the nominal price vanadium liquid that arranges on the last deckle board 109 flows out again; With this simultaneously, negative valency vanadium liquid injects the inlet 103 that is positioned at the negative valency vanadium liquid on the deckle board 109 in tank body, subsequently, negative valency vanadium liquid flows in described second runner of going up on the deckle board 109 by inlet, second runner of negative valency vanadium liquid in last deckle board 109 flowed through and entered second runner on the lower frame plate 107 behind the carbon felt 111, liquid outlet 104 through the negative valency vanadium liquid of setting on the lower frame plate 107 flows out again, and nominal price vanadium liquid and negative valency vanadium liquid is fully reaction in carbon felt 111, produces.Vanadium liquid stream pile comprises a plurality of piles unit in Fig. 3, and each pile unit all carries out work with reference to said process, and the electricity that produces between each pile unit connects to lead by ionic membrane 110 and converges.
Four holes of schematically simply having drawn on the lower frame plate 107 in Fig. 1, wherein, two holes 114 that connect with chain-dotted line are the cross section of the first flow that nominal price vanadium liquid are flowed through in the lower frame plate 107, with this correspondence, four holes of also schematically simply having drawn on the last deckle board 109, wherein, two holes 114 that connect with chain-dotted line are the cross section of the first flow of setting on the last deckle board 109 corresponding with the nominal price vanadium liquid first flow of flowing through on the lower frame plate 107, in like manner, the cross section of second runner of flowing through for negative valency vanadium liquid in two holes 115 that with dashed lines connects on last deckle board 109, with this correspondence, the cross section of second runner of also flowing through for negative valency vanadium liquid in two holes 115 that with dashed lines connects on lower frame plate 107.
In Fig. 2 about the same Fig. 1 of the expression method of runner.
After adopting technical solution of the present invention, vanadium liquid stream is more even in circulation and the distribution of pile inside, make the overall performance electrical performance of whole vanadium pile that very large raising arranged, each pile unit independent operating, sealing effectiveness is better, bottom plate and upper head plate in the former pile have been removed, saved the shared space of end plate of 90mm to 120mm, under the prerequisite that guarantees former pile size, can effectively increase the thickness of deckle board and carbon felt, the thickness of the deckle board that increases can better be realized the layout of deckle board upper runner, the thickness of the carbon felt 111 that increases can better increase the reaction efficiency of vanadium liquid and carbon felt 111, and electrical property and the stability of pile is provided greatly by above-mentioned improvement.
Foregoing detailed description only is exemplary description, and those skilled in the art can design various execution modes according to different actual needs under the situation that does not break away from the scope and spirit that the present invention protects.
Claims (7)
1. the liquid stream method of vanadium liquid stream pile is characterized in that: the liquid stream method of described vanadium liquid stream pile flows each pile unit (100) in the pile as a vanadium liquid system for the distribution of commodities independently with vanadium liquid.
2. flow the liquid stream method of pile according to the described vanadium liquid of claim 1, it is characterized in that: at first working face of each pile unit the inlet (101) of nominal price vanadium liquid and the liquid outlet (104) of negative valency vanadium liquid are set, at second working face of this pile unit the liquid outlet (102) of nominal price vanadium liquid and the inlet (103) of negative valency vanadium liquid are set, the inlet (101) of described nominal price vanadium liquid is communicated with by first flow with the liquid outlet (102) of described nominal price vanadium liquid, the inlet (103) of described negative valency vanadium liquid is communicated with by second runner with the liquid outlet (104) of described negative valency vanadium liquid, and described first flow is told between second runner with institute and is not communicated with mutually.
3. one kind is adopted the pile of the liquid stream method of vanadium liquid stream pile according to claim 1, and described pile comprises a plurality of piles unit (100), it is characterized in that: each pile unit (100) is provided with the independently vanadium liquid system for the distribution of commodities.
4. according to the described vanadium liquid stream of claim 3 pile, it is characterized in that: described pile comprises base plate (106), a plurality of pile unit (100) and the top boards (105) of stack successively, described each pile unit (100) further comprises lower frame plate (107), carbon felt composite conducting plate (108), last deckle board (109) and ionic membrane (110), the described thickness of going up deckle board (109) and described lower frame plate (107) is 20mm to 35mm, described lower frame plate (107) is provided with the inlet (101) of nominal price vanadium liquid and the liquid outlet (104) of negative valency vanadium liquid, described on deckle board (109) be provided with the liquid outlet (102) of nominal price vanadium liquid and the inlet (103) of negative valency vanadium liquid; Perhaps described lower frame plate (107) is provided with the liquid outlet (102) of nominal price vanadium liquid and the inlet (103) of negative valency vanadium liquid, deckle board on described (109) is provided with the inlet (101) of nominal price vanadium liquid and the liquid outlet (104) of negative valency vanadium liquid, the inlet (101) of described nominal price vanadium liquid is communicated with by first flow with the liquid outlet (102) of described nominal price vanadium liquid, the inlet (103) of described negative valency vanadium liquid is communicated with by second runner with the liquid outlet (104) of described negative valency vanadium liquid, described first flow is told with institute and is not communicated with mutually between second runner, each pile unit (100) is provided with the independently vanadium liquid system for the distribution of commodities, and the circulation that vanadium liquid is not set between each pile independent of each other unit connects.
5. according to the described vanadium liquid stream of claim 4 pile, it is characterized in that: the inlet (101) that is provided with nominal price vanadium liquid in a side of described lower frame plate (107), be provided with the liquid outlet (104) of negative valency vanadium liquid at the opposite side of described lower frame plate (107), a side of deckle board (109) is provided with the liquid outlet (102) of nominal price vanadium liquid on described, and the opposite side of deckle board (109) is provided with the inlet (103) of negative valency vanadium liquid on described; Perhaps be provided with the liquid outlet (102) of nominal price vanadium liquid in a side of described lower frame plate (107), be provided with the inlet (103) of negative valency vanadium liquid at the opposite side of described lower frame plate (107), a side of deckle board (109) is provided with the inlet (101) of nominal price vanadium liquid on described, and the opposite side of deckle board (109) is provided with the liquid outlet (104) of negative valency vanadium liquid on described.
6. according to the described vanadium liquid stream of claim 5 pile, it is characterized in that: the thickness of carbon felt (111) is 30mm to 50mm in described each pile unit.
7. according to the described vanadium liquid stream of claim 6 pile, it is characterized in that: described base plate (106) and described top board (105) are aluminium sheet (112) and copper coin (113).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310274141.8A CN103326054B (en) | 2013-07-02 | 2013-07-02 | The fluid processes of a kind of vanadium liquid stream pile and pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310274141.8A CN103326054B (en) | 2013-07-02 | 2013-07-02 | The fluid processes of a kind of vanadium liquid stream pile and pile |
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| CN103326054A true CN103326054A (en) | 2013-09-25 |
| CN103326054B CN103326054B (en) | 2016-08-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444727A (en) * | 2018-05-02 | 2019-11-12 | 北京好风光储能技术有限公司 | A kind of bipolar battery heap |
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| CN102324535A (en) * | 2011-09-09 | 2012-01-18 | 深圳市金钒能源科技有限公司 | Vanadium redox flow battery integrated frame board and preparation method thereof and electric pile prepared by the frame board |
| CN102593491A (en) * | 2012-03-14 | 2012-07-18 | 中国东方电气集团有限公司 | Liquid flow cell stack and cell system comprising same |
| CN102867977A (en) * | 2011-07-05 | 2013-01-09 | 中国科学院大连化学物理研究所 | All-vanadium redox flow energy storage battery system and subsystem power consistency adjustment method thereof |
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2013
- 2013-07-02 CN CN201310274141.8A patent/CN103326054B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102867977A (en) * | 2011-07-05 | 2013-01-09 | 中国科学院大连化学物理研究所 | All-vanadium redox flow energy storage battery system and subsystem power consistency adjustment method thereof |
| CN102324535A (en) * | 2011-09-09 | 2012-01-18 | 深圳市金钒能源科技有限公司 | Vanadium redox flow battery integrated frame board and preparation method thereof and electric pile prepared by the frame board |
| CN102593491A (en) * | 2012-03-14 | 2012-07-18 | 中国东方电气集团有限公司 | Liquid flow cell stack and cell system comprising same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110444727A (en) * | 2018-05-02 | 2019-11-12 | 北京好风光储能技术有限公司 | A kind of bipolar battery heap |
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| CN103326054B (en) | 2016-08-10 |
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