CN102290588A - Flow cell system and control method and device thereof - Google Patents
Flow cell system and control method and device thereof Download PDFInfo
- Publication number
- CN102290588A CN102290588A CN2011102091957A CN201110209195A CN102290588A CN 102290588 A CN102290588 A CN 102290588A CN 2011102091957 A CN2011102091957 A CN 2011102091957A CN 201110209195 A CN201110209195 A CN 201110209195A CN 102290588 A CN102290588 A CN 102290588A
- Authority
- CN
- China
- Prior art keywords
- battery system
- flow
- electrolyte
- flow battery
- described flow
- 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
Images
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
- Fuel Cell (AREA)
Abstract
The invention discloses a flow cell system and a control method and a control device thereof. The control method for the flow cell system comprises the following steps of: regulating flow quantity of an electrolyte in the flow cell system to make the flow quantity of the electrolyte in the flow cell system uniform, wherein the flow cell system comprises a plurality of cell stacks. By the invention, better charging and discharging performance of the cell stacks in the flow cell system can be realized.
Description
Technical field
The present invention relates to the flow battery field, in particular to a kind of flow battery system and control method and device.
Background technology
Vanadium redox battery is that a kind of vanadium ion electrolyte with different valence state carries out redox electrochemical reaction appts, can realize the mutual conversion between chemical energy and the electric energy efficiently.Such battery has long service life, the energy conversion efficiency height, and fail safe is good, and advantages of environment protection can be used for the supporting extensive energy-storage system of wind power generation and photovoltaic generation, is one of electrical network peak load shifting, balanced loaded main selection.Therefore, vanadium redox battery becomes the emphasis that big capacity energy-storage battery is studied gradually in recent years.
Vanadium redox battery is respectively with vanadium ion V2+/V3+ and the V4+/V5+ both positive and negative polarity oxidation-reduction pair as battery, both positive and negative polarity electrolyte is stored in respectively in two fluid reservoirs, drive active electrolyte by acidproof liquor pump and be back to again to reacting environment's (battery pile) and form the circulating fluid loop in the fluid reservoir, to realize charge and discharge process.In the vanadium redox battery energy-storage system, the quality of stack performance is determining the charge-discharge performance of whole system, especially discharges and recharges power and efficient.Battery pile is to be stacked successively by the multi-disc monocell to compress, and is in series.Wherein, the composition of traditional monolithic flow battery as shown in Figure 1, liquid flow frame 1, collector plate 2, electrode 3 and barrier film 4 compositing monomer batteries 5 are formed battery pile 6 by piling up of N cell 5.
In order to set up the high power oxidation, reduction liquid battery system, a plurality of battery pile or a plurality of battery pile module need be inserted charge-discharge system.The mode of connecting system can be selected serial or parallel connection for use on the circuit, and the access way of liquid-way system is generally parallel way.Electrolyte exists the pressure drop (pipeline and pile) that is caused by the liquid flow damping in main fluid path pipe interior process of flowing, therefore there is some difference for resulting electrolyte flow rate of each battery pile that picks out from main fluid path pipeline diverse location or pressure, thereby cause the inhomogeneities of electrolyte flow rate between different battery pile or flow.The inhomogeneities of this flow can influence the homogeneity of different pile electrolyte insides reaction, forms by-pass current between different piles, reduces the charge-discharge performance of battery pile and influences useful life of whole flow battery system.
Problem at battery pile charge-discharge performance difference in the flow battery system in the correlation technique does not propose effective solution at present as yet.
Summary of the invention
Main purpose of the present invention is to provide a kind of flow battery system and control method and device, to solve the problem of battery pile charge-discharge performance difference in the flow battery system.
To achieve these goals, according to an aspect of the present invention, provide the control method of a kind of flow battery system.
Control method according to flow battery of the present invention system comprises: the flow of electrolyte in the regulator solution galvanic battery system is so that the flow homogeneous of electrolyte in the flow battery system, and wherein, the flow battery system comprises a plurality of battery pile.
Further, in regulator solution galvanic battery system before the flow of electrolyte, control method according to flow battery of the present invention system also comprises: whether the charge-discharge performance parameter value that detects battery pile in the flow battery system exceeds the preset parameter value scope, wherein, the charge-discharge performance parameter value of battery pile comprises the magnitude of voltage of by-pass current value and/or battery pile, wherein, when the charge-discharge performance parameter value of battery pile in the flow battery system exceeds the preset parameter value scope, the flow of electrolyte in the regulator solution galvanic battery system.
Further, by adopting the flow of electrolyte in following any one or the multiple mode regulator solution galvanic battery system: the flow stream velocity of electrolyte in the regulator solution galvanic battery system; The fluid pipe damping of electrolyte in the regulator solution galvanic battery system; The area of section that flows to mouth and/or flow export of the electrolyte of battery pile in the regulator solution galvanic battery system; Adjust the internal structure parameter of battery pile in the flow battery system; And the flow stream pressure of electrolyte in the regulator solution galvanic battery system.
Further, the flow stream velocity of electrolyte comprises in the regulator solution galvanic battery system: by the flow stream velocity of electrolyte in the adjustable speed flowmeter regulator solution galvanic battery system, wherein, the adjustable speed flowmeter is arranged in the flow battery system.
Further, by adopting the fluid pipe damping of electrolyte in following any one or the multiple mode regulator solution galvanic battery system: the length of adjusting fluid pipe in the flow battery system; Adjust the material of fluid pipe in the flow battery system; And the caliber size of adjusting fluid pipe in the flow battery system.
Further, by adopting following any one or multiple mode to adjust the internal structure parameter of battery pile in the flow battery system: the liquid flow inlet and outlet inner section of liquid flow frame is long-pending in the regulator solution galvanic battery system; The runner of liquid flow frame in the regulator solution galvanic battery system; The runner of collector plate design in the regulator solution galvanic battery system; And the runner of porous electrode in the regulator solution galvanic battery system.
Further, the flow stream pressure of electrolyte comprises in the regulator solution galvanic battery system: by the flow stream pressure of electrolyte in a plurality of liquor pump regulator solution galvanic battery system, wherein, a plurality of liquor pumps are arranged in the circulate electrolyte loop of flow battery system.
To achieve these goals, according to a further aspect in the invention, provide the control device of a kind of flow battery system.
Control device according to flow battery of the present invention system comprises: regulon, and the flow that is used for regulator solution galvanic battery system electrolyte is so that the flow homogeneous of electrolyte in the flow battery system, and wherein, the flow battery system comprises a plurality of battery pile.
Further, control device according to flow battery of the present invention system also comprises: detecting unit, be connected with regulon, whether the charge-discharge performance parameter value that is used for detecting flow battery system battery pile exceeds the preset parameter value scope, wherein, the charge-discharge performance parameter value of battery pile comprises the magnitude of voltage of by-pass current value and/or battery pile, wherein, regulon is used for when the charge-discharge performance parameter value of flow battery system battery pile exceeds the preset parameter value scope, the flow of electrolyte in the regulator solution galvanic battery system.
Further, regulon comprise following any one or a plurality of: first regulates subelement, is used for regulating by the flow stream velocity of regulator solution galvanic battery system electrolyte; Second regulates subelement, and the fluid pipe damping that is used for regulator solution galvanic battery system electrolyte is regulated; The 3rd regulates subelement, be used for by regulator solution galvanic battery system battery pile electrolyte flow to mouthful and/or the area of section of flow export is regulated; The 4th regulates subelement, is used for regulating by the internal structure parameter of adjusting flow battery system battery pile; And the 5th regulate subelement, is used for regulating by the flow stream pressure of regulator solution galvanic battery system electrolyte.
To achieve these goals, according to a further aspect in the invention, provide a kind of flow battery system.
Comprise according to flow battery of the present invention system: a plurality of battery pile; And the control device of any one flow battery system provided by the invention.
By the present invention, adopt following method: the flow of electrolyte in the regulator solution galvanic battery system is so that the flow homogeneous of electrolyte in the flow battery system, wherein, the flow battery system comprises a plurality of battery pile, solve the problem of battery pile charge-discharge performance difference in the flow battery system, and then reached the effect of improving battery pile charge-discharge performance in the flow battery system.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is according to the vanadium redox battery monocell of correlation technique and the battery pile structure schematic diagram of formation thereof;
Fig. 2 is the block diagram according to the control device of the flow battery system of the embodiment of the invention;
Fig. 3 is the flow chart according to the control method of the flow battery system of the embodiment of the invention;
Fig. 4 is the schematic diagram that the adjustable speed flowmeter is regulated flow stream velocity that passes through according to the embodiment of the invention;
Fig. 5 is the schematic diagram that passes through to adjust the damping of fluid pipe length adjustment fluid pipe according to the embodiment of the invention;
Fig. 6 is the schematic diagram that passes through a plurality of liquor pump regulator solution flowing pressures according to first embodiment of the invention; And
Fig. 7 is the schematic diagram that passes through a plurality of liquor pump regulator solution flowing pressures according to second embodiment of the invention.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
The flow battery system of the embodiment of the invention comprises: a plurality of battery pile, and the control device of the flow battery system that is provided with at a plurality of battery pile, this control device is used for the flow of regulator solution galvanic battery system electrolyte so that the flow homogeneous of electrolyte in the flow battery system.
Adopt the flow battery system of this embodiment, control device by the flow battery system, can guarantee in the system between each battery pile or between the battery pile module and the homogeneity of both positive and negative polarity reative cell electrolyte inside flow, thereby reduce by-pass current, improve its charge-discharge performance and useful life.
Introduce the control device of the flow battery system in this flow battery system below.
Fig. 2 is the block diagram according to the controlling party device of the flow battery system of the embodiment of the invention, as shown in Figure 2, the control device of flow battery system comprises: regulon 10, the flow that is used for regulator solution galvanic battery system electrolyte is so that the flow homogeneous of electrolyte in the flow battery system.
In this embodiment, flow by the electrolyte of each battery pile or battery module in the regulon 10 regulator solution galvanic battery systems, the position of regulating can be positioned at pile inside, electrolyte enters before the pile or electrolyte flows out any place or many places behind the pile, make the flow homogeneous of electrolyte in the flow battery system, and then guarantee between each sub-battery pile or the battery pile module and the homogeneity of electrolyte reaction between inner both positive and negative polarity, reduced by-pass current, improve battery pile charge-discharge performance in the flow battery system, make the entire cell system efficient in charge and discharge process, evenly, stably work, improve the useful life of flow battery system.
Preferably, as shown in Figure 2, the control device of flow battery system also comprises: detecting unit 20, be connected with regulon 10, whether the charge-discharge performance parameter value that is used for detecting flow battery system battery pile exceeds the preset parameter value scope, wherein, the charge-discharge performance parameter value of battery pile comprises the magnitude of voltage of by-pass current value and/or battery pile, wherein, regulon is used for when the charge-discharge performance parameter value of flow battery system battery pile exceeds the preset parameter value scope, the flow of electrolyte in the regulator solution galvanic battery system.
By this preferred implementation, the parameter value relevant to the charge-discharge performance state of each battery pile or battery pile module, monitor in real time as the magnitude of voltage of by-pass current value and/or monocell heap or battery module etc., and by feeding back automatically, the regulon adjustment enters the flow of electrolyte of each battery pile or battery module, with guarantee the entire cell system in charge and discharge process efficiently, evenly, stably work.
In this embodiment, by adjusting the parameter that can change the flow of electrolyte that flows into each electrode reaction chamber, make the flow homogeneous of electrolyte in the flow battery system, guarantee between each sub-battery pile or the battery pile module and the homogeneity of electrolyte reaction between inner both positive and negative polarity, can change the parameter that flows into flow of electrolyte and comprise and be not limited only to: the flowing to mouthful and/or the internal structure parameter of the area of section of flow export, battery pile, flow stream pressure etc. of the electrolyte of flow stream velocity, fluid pipe damping, battery pile.Preferably, when the charge-discharge performance difference of battery pile, for the flow of adjusting in real time electrolyte so that battery pile discharge and recharge in the best condition, in regulon 10, be provided with first and regulate subelement, by the flow stream velocity of adjustable speed flowmeter real-time regulated electrolyte and then the flow of adjusting electrolyte; Or be provided with the 3rd and regulate subelement, the area that real-time regulated electrolyte is imported and exported and then regulate the flow of electrolyte; And the 5th regulate subelement, by liquor pump real-time regulated flow stream pressure and then regulate the flow of electrolyte.
Introduce the control method of the flow battery system in this flow battery system below.
Fig. 3 is the flow chart according to the control method of the flow battery system of the embodiment of the invention, and as shown in Figure 3, the control method of this flow battery system comprises the steps that S102 is to step S106.
Step S102, the charge-discharge performance parameter value of battery pile in the detection flow battery system.
Step S104 judges whether the charge-discharge performance parameter value of battery pile exceeds the preset parameter value scope, when the charge-discharge performance parameter value of battery pile exceeds the preset parameter value scope, and execution in step S106, otherwise return step S102.
Step S106, the flow of electrolyte in the regulator solution galvanic battery system.
In this embodiment, by detection and the judgement link that step S102 and step S104 are set, provide among the step S106 the preferred implementation condition of the flow of electrolyte in the regulator solution galvanic battery system: the charge-discharge performance parameter value of battery pile in the real-time detection flow battery system, charge-discharge performance parameter value when battery pile, the magnitude of voltage of by-pass current value and/or battery pile for example, range of parameter values when exceeding flow battery system operate as normal, it is the preset parameter value scope, the charge-discharge performance that battery pile is described descends, the flow that needs electrolyte in the regulator solution galvanic battery system, flow by the electrolyte of each battery pile or battery module in the regulator solution galvanic battery system, make the flow homogeneous of electrolyte in the flow battery system, and then guarantee that electrolyte reacts homogeneous in the battery system, reduce by-pass current, improve battery pile charge-discharge performance in the flow battery system, make the entire cell system efficient in charge and discharge process, evenly, stably work, improve the useful life of flow battery system.
Need to prove that above flow battery system all refers to comprise the flow battery system of a plurality of battery pile, the control method of this flow battery system can not comprise step S102 and step S104.
The flow of electrolyte can be realized by following any one or numerous embodiments in the regulator solution galvanic battery system:
1) flow stream velocity of electrolyte in the regulator solution galvanic battery system by the adjusting to the flow stream velocity of the electrolyte of each battery pile or battery module, can be regulated and flow through between each pile or the intermodule flow of electrolyte.Preferably, between both positive and negative polarity master fluid pipe and each sub-battery pile or battery pile module, insert the adjustable speed flowmeter, as shown in Figure 4, this flow battery system comprises anodal electrolyte storage tank 7, negative pole electrolyte storage tank 8, anodal electrolyte circulation system liquor pump 9, negative pole electrolyte circulation system liquor pump 10, first battery pile 11 that inserts liquid-way system in parallel, second battery pile 12, the 3rd battery pile 13 and the more battery pile 20 that may insert, in this flow battery system, insert the first adjustable speed flowmeter 14, the second adjustable speed flowmeter 15 and the 3rd adjustable speed flowmeter 16 are used for regulating accordingly respectively first battery pile 11, the flow velocity of the negative pole electrolyte of second battery pile 12 and the 3rd battery pile 13; In this flow battery system, insert the 4th adjustable speed flowmeter 17, the 5th adjustable speed flowmeter 18 and the 6th adjustable speed flowmeter 19, be used for regulating accordingly respectively the flow velocity of the anodal electrolyte of first battery pile 11, second battery pile 12 and the 3rd battery pile 13, regulate the flow stream velocity of electrolyte by each adjustable speed flowmeter, guarantee between each battery pile and the homogeneity of electrolyte flow rate between the both positive and negative polarity, improve battery pile charge-discharge performance in the flow battery system.
2) the fluid pipe damping of electrolyte in the regulator solution galvanic battery system, a kind of the simplest mode is to adjust the length of fluid pipe in the flow battery system, promptly adjust the fluid pipe length between both positive and negative polarity master fluid pipe and each sub-battery pile or the battery pile module, its connecting tube of battery pile near liquor pump is longer, its connecting tube of battery pile away from liquor pump is shorter, the liquid flow damping that guarantees each battery pile access trunk line is identical, thereby obtains identical liquid stream flow.As shown in Figure 5, negative pole electrolyte circulation system with this flow battery system partly is an example, comprise negative pole electrolyte storage tank 8, negative pole electrolyte circulation system liquor pump 10, first battery pile 11 that inserts the flow battery system in parallel, second battery pile 12, the 3rd battery pile 13 and the more battery pile 20 that may insert, also comprise and be respectively first fluid pipe 21 that connects between first battery pile 11 and the major circulatory system, second fluid pipe 22 between second battery pile 12 and the major circulatory system, the 3rd fluid pipe 23 between the 3rd battery pile 13 and the major circulatory system, wherein, according to the distance between battery pile and the liquor pump, the length that first fluid pipe, 21 second fluid pipes 22 and the 3rd fluid pipe 23 are set increases successively, adjusting makes each battery pile consistent with the fluid pipe damping between the major circulatory system, thereby guarantee between each battery pile and the homogeneity of electrolyte flow rate between the both positive and negative polarity, improve battery pile charge-discharge performance in the flow battery system.
In addition.Can also be by adjusting the material of fluid pipe in the flow battery system, and the caliber size of adjusting fluid pipe in the flow battery system realizes the fluid pipe damping of electrolyte in the regulator solution galvanic battery system, and control flows is crossed between each pile or the homogeneity of intermodule flow of electrolyte.
3) area of section that flows to mouth and/or flow export of the electrolyte of battery pile in the regulator solution galvanic battery system, the area of section or the flow export area of section that flow to mouth of the electrolyte of battery pile can be only adjusted, also electrolyte stream import and exit area can be adjusted simultaneously.By flowing to mouthful and/or the adjusting of the area of section of flow export to the electrolyte of battery pile, realize the Flow-rate adjustment of electrolyte in the flow battery system, make and flow through between each battery pile or the homogeneous of intermodule flow of electrolyte, improve battery pile charge-discharge performance in the flow battery system.
4) the internal structure parameter of battery pile in the adjustment flow battery system, also promptly adjust the indoor design of each sub-battery pile or battery pile module, comprise that the liquid flow inlet and outlet inner section of adjusting liquid flow frame is long-pending, the design of liquid flow frame runner, the design of collector plate runner, the design of porous electrode runner etc., to guarantee the flow homogeneous of electrolyte in the flow battery system, improve battery pile charge-discharge performance in the flow battery system.
5) in the circulate electrolyte loop, insert a plurality of liquor pumps, the multistage pump that forms the circulation of liquid road drives system, can regulate the flow stream pressure of electrolyte by the output pressure of regulating liquor pump, and then the inhomogeneity adjusting of realization flow of electrolyte, wherein, the number and the relative position between each liquor pump and the battery pile that insert liquor pump can be got by the corresponding fluids Mechanics Calculation, in the operating process of multistage pump liquid road circulating system, corresponding power output and output pressure reduction by regulating each pump obtain the flow of homogeneous to guarantee each battery pile and battery module.
As shown in Figure 6, negative pole electrolyte circulation system with this flow battery system partly is an example, comprise negative pole electrolyte storage tank 8, first battery pile 11, second battery pile 12, the 3rd battery pile 13 that inserts the flow battery system in parallel, also comprise first electrolyte circulating pump 24 and second electrolyte circulating pump 25 that insert respectively by flow battery system two ends, by regulating the power output and the pressure reduction of two ends liquor pump, make battery pile obtain identical flow of electrolyte, improve battery pile charge-discharge performance in the flow battery system.
As shown in Figure 7, negative pole electrolyte circulation system with this flow battery system partly is an example, comprise negative pole electrolyte storage tank 8, first battery pile 11 that inserts the flow battery system in parallel, second battery pile 12, the 3rd battery pile 13, the 4th battery pile 26 and the 5th battery pile 27, also comprise by flow battery system two ends and middle the 3rd electrolyte circulating pump 28 and the 4th electrolyte circulating pump 29 and the 5th electrolyte circulating pump 30 that insert respectively that inserts, can be by regulating the power output and the pressure reduction of three electrolyte circulating pumps, make battery pile obtain identical flow of electrolyte, improve battery pile charge-discharge performance in the flow battery system.
Adopt the flow battery system of technical solution of the present invention design, be exemplified below:
Example 1: select for use high conductivity porous graphite felt as electrode material, graphite cake is as collector plate, use the Nafion film as ion-exchange film preparation vanadium cell monocell, 40 monocells are together in series make a battery pile, adopt execution mode shown in Figure 4, four this identical battery pile are formed a battery system.It is 89.5% that this battery system discharges and recharges coulombic efficiency, and voltage efficiency is 84.0%, and energy efficiency is 75.2%.
Example 2: select for use high conductivity porous graphite felt as electrode material, conducing composite material is as collector plate, use the Nafion film as ion-exchange film preparation vanadium cell monocell, 40 monocells are together in series make a battery pile, adopt execution mode shown in Figure 5, three this identical battery pile are formed a battery system.It is 88.3% that this battery system discharges and recharges coulombic efficiency, and voltage efficiency is 84.7%, and energy efficiency is 74.8%.
From above description, as can be seen, the present invention has realized following technique effect: make electrolyte in the flow battery system between each battery pile and more even at the flow of the inner both positive and negative polarity reacting chamber space of battery pile, and then make between each battery pile both positive and negative polarity reaction more synchronous, the charge-discharge performance of each battery pile of large power redox flow cell internal system is better, improve the battery pile coulombic efficiency, improve system works efficient and useful life.
Need to prove, can in computer system, carry out in the step shown in the flow chart of accompanying drawing such as a set of computer-executable instructions, and, though there is shown logical order in flow process, but in some cases, can carry out step shown or that describe with the order that is different from herein.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. the control method of a flow battery system is characterized in that comprising: the flow of regulating electrolyte in the described flow battery system is so that the flow homogeneous of electrolyte in the described flow battery system, and wherein, described flow battery system comprises a plurality of battery pile.
2. the control method of flow battery according to claim 1 system is characterized in that,
Before the flow of electrolyte, described method also comprises in the described flow battery of adjusting system:
Whether the charge-discharge performance parameter value that detects battery pile in the described flow battery system exceeds the preset parameter value scope, and wherein, the charge-discharge performance parameter value of described battery pile comprises the magnitude of voltage of by-pass current value and/or battery pile,
Wherein, when the charge-discharge performance parameter value of battery pile in the described flow battery system exceeds described preset parameter value scope, regulate the flow of electrolyte in the described flow battery system.
3. the control method of flow battery according to claim 1 system is characterized in that, regulates the flow of electrolyte in the described flow battery system by adopting following any one or multiple mode:
Regulate the flow stream velocity of electrolyte in the described flow battery system;
Regulate the fluid pipe damping of electrolyte in the described flow battery system;
Regulate the flowing to mouthful and/or the area of section of flow export of electrolyte of battery pile in the described flow battery system;
Adjust the internal structure parameter of battery pile in the described flow battery system; And
Regulate the flow stream pressure of electrolyte in the described flow battery system.
4. the control method of flow battery according to claim 3 system is characterized in that, the flow stream velocity of regulating electrolyte in the described flow battery system comprises:
Regulate the flow stream velocity of electrolyte in the described flow battery system by the adjustable speed flowmeter, wherein, described adjustable speed flowmeter is arranged in the described flow battery system.
5. the control method of flow battery according to claim 3 system is characterized in that, regulates the fluid pipe damping of electrolyte in the described flow battery system by adopting following any one or multiple mode:
Adjust the length of fluid pipe in the described flow battery system;
Adjust the material of fluid pipe in the described flow battery system; And
Adjust the caliber size of fluid pipe in the described flow battery system.
6. the control method of flow battery according to claim 3 system is characterized in that, adjusts the internal structure parameter of battery pile in the described flow battery system by adopting following any one or multiple mode:
The liquid flow inlet and outlet inner section of regulating liquid flow frame in the described flow battery system is long-pending;
Regulate the runner of liquid flow frame in the described flow battery system;
Regulate the runner design of collector plate in the described flow battery system; And
Regulate the runner of porous electrode in the described flow battery system.
7. the control method of flow battery according to claim 3 system is characterized in that, the flow stream pressure of regulating electrolyte in the described flow battery system comprises:
Regulate the flow stream pressure of electrolyte in the described flow battery system by a plurality of liquor pumps, wherein, described a plurality of liquor pumps are arranged in the circulate electrolyte loop of described flow battery system.
8. the control device of a flow battery system, it is characterized in that, comprising: regulon, the flow that is used for regulating described flow battery system electrolyte is so that the flow homogeneous of electrolyte in the described flow battery system, wherein, described flow battery system comprises a plurality of battery pile.
9. the control device of flow battery according to claim 8 system is characterized in that, also comprises:
Detecting unit, be connected with described regulon, whether the charge-discharge performance parameter value that is used for detecting described flow battery system battery pile exceeds the preset parameter value scope, wherein, the charge-discharge performance parameter value of described battery pile comprises the magnitude of voltage of by-pass current value and/or battery pile
Wherein, when described regulon is used for charge-discharge performance parameter value in described flow battery system battery pile and goes out described preset parameter value scope, regulate the flow of electrolyte in the described flow battery system.
10. the control device of flow battery according to claim 8 system is characterized in that, described regulon comprise following any one or a plurality of:
First regulates subelement, is used for regulating by the flow stream velocity of regulating described flow battery system electrolyte;
Second regulates subelement, is used for regulating by the fluid pipe damping of regulating described flow battery system electrolyte;
The 3rd regulates subelement, be used for by regulating described flow battery system battery pile electrolyte flow to mouthful and/or the area of section of flow export is regulated;
The 4th regulates subelement, is used for regulating by the internal structure parameter of adjusting described flow battery system battery pile; And
The 5th regulates subelement, is used for regulating by the flow stream pressure of regulating described flow battery system electrolyte.
11. a flow battery system is characterized in that, comprising:
A plurality of battery pile; And
The control device of each described flow battery system in the claim 8 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102091957A CN102290588A (en) | 2011-07-25 | 2011-07-25 | Flow cell system and control method and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102091957A CN102290588A (en) | 2011-07-25 | 2011-07-25 | Flow cell system and control method and device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102290588A true CN102290588A (en) | 2011-12-21 |
Family
ID=45336806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102091957A Pending CN102290588A (en) | 2011-07-25 | 2011-07-25 | Flow cell system and control method and device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102290588A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593481A (en) * | 2012-03-14 | 2012-07-18 | 中国东方电气集团有限公司 | Flow battery, battery stack, battery system and control method for electrolyte thereof |
| CN103647094A (en) * | 2013-12-06 | 2014-03-19 | 中国东方电气集团有限公司 | Method for controlling flow battery |
| CN103985891A (en) * | 2014-05-29 | 2014-08-13 | 大连融科储能技术发展有限公司 | Control system and method of flow battery system |
| CN104078695A (en) * | 2014-07-22 | 2014-10-01 | 沈阳工程学院 | Full-sedimentary type lead acid liquid current battery energy storing device |
| CN106229536A (en) * | 2016-08-31 | 2016-12-14 | 中国东方电气集团有限公司 | Electrolyte balance device and there is its flow battery |
| CN107256977A (en) * | 2017-06-29 | 2017-10-17 | 江苏科技大学 | One kind is based on unilateral feed flow modularization zinc-nickel list liquid energy-storage system |
| CN108110295A (en) * | 2017-12-08 | 2018-06-01 | 上海电气集团股份有限公司 | The efficiency optimal control method and system of redox flow cell device |
| US20180175438A1 (en) * | 2016-12-19 | 2018-06-21 | Vionx Energy Corporation | Large scale flow battery system |
| CN108767359A (en) * | 2018-04-23 | 2018-11-06 | 北京长城华冠汽车科技股份有限公司 | The heat management pipeline and its equalization methods and selection system of electric automobile power battery |
| CN109946619A (en) * | 2019-03-27 | 2019-06-28 | 山东科技大学 | A method of measurement flow battery by-pass current |
| 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 |
| CN116742057A (en) * | 2023-08-11 | 2023-09-12 | 福建星云电子股份有限公司 | Pile controller and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6476678A (en) * | 1987-09-17 | 1989-03-22 | Kenzo Yamaguchi | Electrolyte flow control for liquid flow type battery or battery jar |
| JP2006114359A (en) * | 2004-10-14 | 2006-04-27 | Kansai Electric Power Co Inc:The | Method for operating redox flow battery |
| CN102097844A (en) * | 2011-01-17 | 2011-06-15 | 余维 | Intelligent battery management system |
-
2011
- 2011-07-25 CN CN2011102091957A patent/CN102290588A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6476678A (en) * | 1987-09-17 | 1989-03-22 | Kenzo Yamaguchi | Electrolyte flow control for liquid flow type battery or battery jar |
| JP2006114359A (en) * | 2004-10-14 | 2006-04-27 | Kansai Electric Power Co Inc:The | Method for operating redox flow battery |
| CN102097844A (en) * | 2011-01-17 | 2011-06-15 | 余维 | Intelligent battery management system |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593481A (en) * | 2012-03-14 | 2012-07-18 | 中国东方电气集团有限公司 | Flow battery, battery stack, battery system and control method for electrolyte thereof |
| CN102593481B (en) * | 2012-03-14 | 2014-07-02 | 中国东方电气集团有限公司 | Flow battery, battery stack, battery system and control method for electrolyte thereof |
| CN103647094A (en) * | 2013-12-06 | 2014-03-19 | 中国东方电气集团有限公司 | Method for controlling flow battery |
| CN103647094B (en) * | 2013-12-06 | 2015-08-12 | 中国东方电气集团有限公司 | The control method of flow battery |
| CN103985891A (en) * | 2014-05-29 | 2014-08-13 | 大连融科储能技术发展有限公司 | Control system and method of flow battery system |
| CN104078695A (en) * | 2014-07-22 | 2014-10-01 | 沈阳工程学院 | Full-sedimentary type lead acid liquid current battery energy storing device |
| CN106229536A (en) * | 2016-08-31 | 2016-12-14 | 中国东方电气集团有限公司 | Electrolyte balance device and there is its flow battery |
| CN106229536B (en) * | 2016-08-31 | 2023-07-28 | 东方电气(成都)氢燃料电池科技有限公司 | Electrolyte balancing device and flow battery with same |
| RU2747804C2 (en) * | 2016-12-19 | 2021-05-14 | Ларго Клин Энерджи Корп. | Large-scale flow battery system |
| US10886553B2 (en) | 2016-12-19 | 2021-01-05 | Vionx Energy Corporation | Large scale flow battery system |
| WO2018118806A1 (en) * | 2016-12-19 | 2018-06-28 | Vionx Energy Corporation | Large scale flow battery system |
| US11637307B2 (en) | 2016-12-19 | 2023-04-25 | Largo Clean Energy Corp. | Modular and scalable flow battery system |
| CN110447138A (en) * | 2016-12-19 | 2019-11-12 | 维安思能源公司 | Extensive flow battery system |
| US11165086B2 (en) | 2016-12-19 | 2021-11-02 | Largo Clean Energy Corp. | Modular and scalable flow battery system |
| US10714785B2 (en) | 2016-12-19 | 2020-07-14 | Vionx Energy Corporation | Systems and methods for electrolyte storage and detecting faults in flow batteries |
| US20180175438A1 (en) * | 2016-12-19 | 2018-06-21 | Vionx Energy Corporation | Large scale flow battery system |
| CN107256977A (en) * | 2017-06-29 | 2017-10-17 | 江苏科技大学 | One kind is based on unilateral feed flow modularization zinc-nickel list liquid energy-storage system |
| CN108110295A (en) * | 2017-12-08 | 2018-06-01 | 上海电气集团股份有限公司 | The efficiency optimal control method and system of redox flow cell device |
| CN108110295B (en) * | 2017-12-08 | 2020-09-18 | 上海电气集团股份有限公司 | Energy efficiency optimization control method and system for flow battery device |
| CN108767359A (en) * | 2018-04-23 | 2018-11-06 | 北京长城华冠汽车科技股份有限公司 | The heat management pipeline and its equalization methods and selection system of electric automobile power battery |
| 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 |
| CN109946619A (en) * | 2019-03-27 | 2019-06-28 | 山东科技大学 | A method of measurement flow battery by-pass current |
| CN116742057A (en) * | 2023-08-11 | 2023-09-12 | 福建星云电子股份有限公司 | Pile controller and method |
| CN116742057B (en) * | 2023-08-11 | 2023-11-21 | 福建星云电子股份有限公司 | Pile controller and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102290588A (en) | Flow cell system and control method and device thereof | |
| US8785023B2 (en) | Cascade redox flow battery systems | |
| EP1385226A1 (en) | Secondary cell and method of operating the secondary cell | |
| CN110048147B (en) | All-vanadium redox flow battery pipeline system with liquid mixing function | |
| EP0165000A2 (en) | Metal-halogen secondary battery | |
| CN203644856U (en) | Electrolyte storage device and flow battery system | |
| WO2014045337A9 (en) | Redox flow battery | |
| CN102354761A (en) | Redox flow cell system and shutdown protection method as well as device thereof | |
| Chen et al. | Analysis and optimization of module layout for multi-stack vanadium flow battery module | |
| US10665882B2 (en) | Redox flow battery | |
| CN110620250A (en) | Flow battery energy storage device and flow battery energy storage system | |
| CN218299838U (en) | All-vanadium redox flow battery with gravity energy storage function | |
| CN114122536B (en) | Battery pack performance testing device | |
| US20190013534A1 (en) | Module system of redox flow battery | |
| WO2018183301A1 (en) | An advanced electrolyte mixing method for all vanadium flow batteries | |
| CN107959038B (en) | Flow battery pulse type charging and discharging system and method for improving electrolyte utilization rate | |
| JPH02195657A (en) | Electrolyte circulation type secondary battery | |
| CN111033851A (en) | Redox flow battery | |
| CN107204480A (en) | Fluid cell electrolyte parameter determination method and its system, flow battery | |
| CN111512483A (en) | Redox flow battery and method of operating the same | |
| CN109713339B (en) | Flow battery system control method based on current optimization strategy | |
| CN107195932B (en) | Method and system for stably regulating and controlling capacity of flow battery and flow battery | |
| CN107195942B (en) | Electrolyte storage tank, flow battery, box-type flow battery system and flow battery charging and discharging control method | |
| KR20200080950A (en) | Redox flow battery using balancing flow path | |
| JP2023103633A (en) | Redox flow battery system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20111221 |