CN110970634A - Electrode frame for all-vanadium redox flow battery and application - Google Patents
Electrode frame for all-vanadium redox flow battery and application Download PDFInfo
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- 229910052720 vanadium Inorganic materials 0.000 title claims abstract description 15
- 239000003792 electrolyte Substances 0.000 claims abstract description 92
- 239000007788 liquid Substances 0.000 claims abstract description 81
- 238000000926 separation method Methods 0.000 claims description 28
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims 1
- 238000004146 energy storage Methods 0.000 abstract description 4
- 230000000052 comparative effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000013543 active substance Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/18—Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
- H01M8/184—Regeneration by electrochemical means
- H01M8/188—Regeneration by electrochemical means by recharging of redox couples containing fluids; Redox flow type 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
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Abstract
The invention relates to the technical field of energy storage of flow batteries, in particular to an electrode frame for an all-vanadium flow battery, which is a rectangular flat plate, wherein electrolyte inlets and electrolyte outlets are arranged at four corners of the electrode frame; the middle part is provided with a through hole for accommodating the porous electrode; liquid distribution grooves are respectively arranged on two opposite sides of the through hole in the middle on one side surface of the electrode frame; the electrolyte outlet is positioned at the left upper part of the flat plate, the outlet main runner groove is divided into an upper part and a lower part, the liquid outlet distribution groove is divided into a left part and a right part, the outlet main runner groove at the upper part is communicated with the upper half part of the electrolyte outlet, and the outlet main runner groove at the lower part is communicated with the lower half part of the electrolyte outlet; the right end of the upper outlet main flow channel groove is communicated with the left end of the right liquid outlet distribution groove, and the right end of the lower outlet main flow channel groove is communicated with the left end of the left liquid outlet distribution groove; the electrolyte inlet and the electrolyte outlet are symmetrical. The invention increases the circulation area of the electrolyte; the flow resistance is reduced.
Description
Technical Field
The invention relates to the technical field of energy storage of flow batteries, in particular to the field of all-vanadium flow batteries.
Background
The all-vanadium redox flow battery is a redox flow battery energy storage technology with high efficiency, high reliability and long service life, has higher power density, and is simple and easy to operate. The electrolyte is stored in an electrolyte barrel outside the pile, and the energy storage capacity can be improved by increasing the storage capacity of the electrolyte. The method is mainly applied to the fields of power grid peak shaving, power generation of renewable energy sources such as wind energy and solar energy and the like. The electrode frame is used as an important component in the galvanic pile structure, bears the carbon-plastic composite bipolar plate and the diaphragm, and realizes the sealing and distribution of electrolyte. The electrode frame of the existing all-vanadium redox flow battery has the following defects: 1. the flow area of the main flow channel groove of the electrolyte inlet and outlet is small, the flow resistance is large, the flow of the galvanic pile is reduced, and the flow velocity of the electrolyte is reduced; 2. the inlet and outlet main runner grooves on the electrode frame have larger deflection, so that larger flow resistance is caused, and the flow speed of the electrolyte is reduced; 3. the flow area of the inlet and outlet liquid separation flow channel is small, and the flow velocity of the electrolyte is reduced by adopting a gradually expanding design. Because the all-vanadium redox flow battery has deeper charging and discharging depth, if the flow rate of the electrolyte is too low, concentration polarization in the electrode is larger at the end stage of charging and discharging, and the battery performance is reduced.
Disclosure of Invention
The invention provides an electrode frame of an all-vanadium redox flow battery, aiming at solving the technical problems. The electrode frame is made of PVC (polyvinyl chloride), so that the electrode frame is easy to process. The electrolyte inlet and outlet main flow channel grooves are divided into an upper groove and a lower groove, so that the flow area of the electrolyte is greatly increased; the bending angle of the main runner is reduced, and the flow resistance is reduced; the flow area of the inlet-outlet liquid separation flow channel is increased, and the reducing design is adopted, so that the secondary acceleration effect on the electrolyte is achieved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the electrode frame is a rectangular flat plate; through holes are respectively arranged at the edges of the electrode frame close to the four corners, and the four through holes are respectively used as an electrolyte inlet and an electrolyte outlet; a hollow rectangular middle through hole capable of accommodating the porous electrode is formed in the middle of the rectangular flat plate; an upper liquid distribution groove and a lower liquid distribution groove are respectively arranged on the surface of the electrode frame, close to two opposite sides of the rectangular middle through hole, on one side surface of the electrode frame and are respectively used as an electrolyte inlet liquid distribution groove and an electrolyte outlet liquid distribution groove, the inlet liquid distribution groove is communicated with an electrolyte inlet through an inlet main runner groove, and the outlet liquid distribution groove is communicated with an electrolyte outlet through an outlet main runner groove; the liquid inlet distribution groove is communicated with the middle through hole through the inlet liquid separation flow passage, and the liquid outlet distribution groove is communicated with the middle through hole through the outlet liquid separation flow passage (or groove). The electrolyte outlet is positioned at the left upper part of the flat plate, the outlet main runner groove is divided into an upper part and a lower part, the liquid outlet distribution groove is divided into a left part and a right part, the outlet main runner groove at the upper part is communicated with the upper half part of the electrolyte outlet, and the outlet main runner groove at the lower part is communicated with the lower half part of the electrolyte outlet; the right end of the upper outlet main flow channel groove is communicated with the left end of the right liquid outlet distribution groove, and the right end of the lower outlet main flow channel groove is communicated with the left end of the left liquid outlet distribution groove; the section of the outlet liquid separation flow channel parallel to the surface of the rectangular flat plate is inverted trapezoid, and the liquid outlet distribution groove is communicated with the middle through hole through the outlet liquid separation flow channel. The electrolyte inlet is positioned at the right lower part of the flat plate, the inlet main runner groove is divided into an upper part and a lower part, the liquid inlet distribution groove is divided into a left part and a right part, the inlet main runner groove at the upper part is communicated with the upper half part of the electrolyte inlet, and the inlet main runner groove at the lower part is communicated with the lower half part of the electrolyte inlet; the left end of the upper inlet main runner groove is communicated with the right end of the right liquid inlet distribution groove, and the left end of the lower inlet main runner groove is communicated with the right end of the left liquid inlet distribution groove; the section of the inlet liquid separation flow channel parallel to the surface of the rectangular flat plate is trapezoidal, and the liquid inlet distribution groove is communicated with the middle through hole through the inlet liquid separation flow channel. The 180-degree arc angle area where the upper half part of the electrolyte outlet is located is communicated with the outlet main runner groove at the upper part; the 120-degree and 180-degree arc angle areas where the lower half part of the electrolyte outlet is located are communicated with the outlet main runner groove at the lower part; the 120-degree and 180-degree arc angle areas where the upper half part of the electrolyte inlet is located are communicated with the inlet main runner groove at the upper part; the 180-degree arc angle area where the lower half part of the electrolyte inlet is located is communicated with the inlet main runner groove at the lower part. The export sprue recess, go out liquid distribution recess, export divide the liquid runner, import sprue recess, feed liquor distribution recess, import divide all to be equipped with the cover plate on the liquid runner, prevent that sealed pad from blocking up the runner when compressing tightly.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
the electrolyte inlet and outlet main flow channel grooves are divided into an upper groove and a lower groove, and compared with the prior art, the flow area of the inlet and outlet main flow channel grooves is increased by 75%; meanwhile, the left end of the upper inlet main runner groove is communicated with the right end of the right liquid inlet distribution groove, and the right end of the lower outlet main runner groove is communicated with the left end of the left liquid outlet distribution groove, so that the turning angle of the main runner groove is reduced, the flow resistance is reduced, and the electrolyte is more uniformly distributed when reaching the liquid separation runner. In addition, the flow area of the inlet liquid separation flow channel is increased, and the flow rate of the electrolyte is increased, and the electrolyte can be accelerated for the second time by adopting a reducing design, so that the flow speed of the electrolyte in the electrode is further increased. Because the upper inlet main runner groove and the lower outlet main runner groove are shorter than the flows of the lower inlet main runner groove and the upper outlet main runner groove, the communication angle of the upper inlet main runner groove, the lower outlet main runner groove and the cathode electrolyte inlet-outlet through hole can be adjusted according to the property of the electrolyte, so that the purpose of balancing the flow resistance of the upper inlet main runner groove and the lower inlet main runner groove, the upper outlet main runner groove and the lower outlet main runner groove is achieved, and the flowing uniformity of the electrolyte is better. The invention greatly reduces the resistance of the electrode frame to the flow of the electrolyte, can improve the flow of the electrolyte passing through the all-vanadium redox flow pile, increase the flow speed of the electrolyte, enhance the mass transfer, reduce the concentration polarization and improve the battery performance under the condition of ensuring that the lift of the electrolyte pump is not changed.
Drawings
Fig. 1 shows a conventional electrode frame structure.
Fig. 2 shows an electrode frame structure according to an embodiment of the present invention.
Detailed Description
Comparative example
The traditional electrode frame structure of the all-vanadium redox flow battery is shown in figure 1. Through holes are respectively arranged at the edges of the electrode frame close to the four corners, and the four through holes are respectively used as an electrolyte inlet and an electrolyte outlet; a hollow rectangular middle through hole capable of accommodating the porous electrode is formed in the middle of the rectangular flat plate; an upper liquid distribution groove and a lower liquid distribution groove are respectively arranged on the surface of the electrode frame, close to two opposite sides of the rectangular middle through hole, on one side surface of the electrode frame and are respectively used as an electrolyte inlet liquid distribution groove and an electrolyte outlet liquid distribution groove, the inlet liquid distribution groove is communicated with an electrolyte inlet through an inlet main runner groove, and the outlet liquid distribution groove is communicated with an electrolyte outlet through an outlet main runner groove; the liquid inlet distribution groove is communicated with the middle through hole through an inlet liquid separation flow passage, and the liquid outlet distribution groove is communicated with the middle through hole through an outlet liquid separation flow passage (or groove); the electrode frame plays a role in organizing electrolyte flow and supporting the electrode when the electrode frame is used as one pole of the battery. The electrolyte inlet cross-sectional length is 16.75 mm. And a part of electrolyte flows to the center of the electrode frame through the electrolyte inlet through hole and the inlet main runner groove and flows into the inlet liquid separation runner through the inlet distribution groove. After the electrolyte reacts in the porous electrode area, the electrolyte flows to the center of the electrode frame through the outlet distribution grooves and flows out of the electrode frame through the outlet main runner grooves. The width of the cross section of the inlet and outlet main runner groove is 8 mm. The inlet liquid separation flow channel and the outlet liquid separation flow channel are designed in a gradually expanding mode, and the cross section width of the junction of the inlet liquid separation flow channel and the porous electrode is 3 mm. The frame body is made of PVC.
Electrode area: 875cm2。
The number of the electric pile sections: 10 section
Current density: 80mA/cm2Charge cutoff voltage: 15.5V, discharge cut-off voltage: 10V
The coulombic efficiency of the charge and discharge of the galvanic pile is 99.1 percent, the voltage efficiency is 87.2 percent, and the energy efficiency is 86.4 percent
Examples
The electrode frame of the all-vanadium redox flow battery is shown in fig. 2. In the embodiment, the length of the electrolyte inlet section is 31.4mm-37.7mm, a part of electrolyte flows into the inlet liquid separation channel through the upper inlet main channel groove and the right inlet distribution channel groove through the electrolyte inlet through hole, the inlet liquid separation channel adopts a reducing design, the electrolyte enters the right half electrode frame after being accelerated twice, and the rest electrolyte flows into the inlet liquid separation channel through the left inlet distribution channel groove inlet along the lower inlet main channel groove and flows into the left half electrode frame after being accelerated twice. After the electrolyte reacts in the porous electrode area, one part of the electrolyte flows out of the electrode frame through the lower outlet main runner and the left outlet distribution runner groove, and the residual electrolyte flows out of the electrode frame through the right outlet distribution runner groove and the upper outlet main runner groove. The total width of the cross section of each of the inlet main runner groove and the outlet main runner groove is 14mm, the inlet liquid separation runner is designed in a gradually reducing mode, and the cross section width of the junction of the inlet liquid separation runner and the outlet liquid separation runner with the porous electrode is 6 mm. The frame body is made of PVC.
In the embodiment, the communication area of the main flow channel groove of the electrolyte inlet and outlet and the through hole of the electrolyte inlet and outlet is 1.87-2.25 times of that of the comparative example, the flow cross-sectional area of the main flow channel groove of the inlet and outlet is 1.75 times of that of the comparative example, and the cross-sectional area of the junction of the inlet liquid-separating channel, the outlet liquid-separating channel and the porous electrode is 2 times of that of the comparative example. The inlet and outlet distribution flow channel grooves avoid large turning, flow resistance of electrolyte flowing in the electrode frame is greatly reduced, the flow of the electrolyte can be increased under the condition that the lift of the flow pump is not changed, and the flow speed of the electrolyte is improved. The import divides the liquid runner to adopt the convergent design, has played the secondary acceleration effect to electrolyte, has further promoted the electrolyte velocity of flow.
Electrode area: 875cm2。
The number of the electric pile sections: 10 section
Current density: 80mA/cm2Charge cutoff voltage: 15.5V, discharge cut-off voltage: 10V
The coulombic efficiency of the charge and discharge of the galvanic pile is 99.3 percent, the voltage efficiency is 89.2 percent, and the energy efficiency is 88.6 percent
Table 1: comparison of cell Performance
| Number of galvanic pile | Coulomb efficiency% | Voltage efficiency% | Energy efficiency% |
| Comparative example | 99.1 | 87.2 | 86.4 |
| Examples | 99.2 | 89.2 | 88.6 |
The comparison of the battery performances shows that the performance of the all-vanadium redox flow galvanic pile adopting the electrode frame is obviously superior to that of the all-vanadium redox flow galvanic pile adopting the traditional electrode frame, which shows that the electrode frame can effectively improve the flow rate of electrolyte, enhance the mass transfer capacity of active substances in the electrode, reduce concentration polarization and improve the battery performance.
Claims (5)
1. An electrode frame for an all-vanadium redox flow battery is a rectangular flat plate, through holes are respectively arranged at the edges of the electrode frame close to four corners, and the four through holes are respectively used as an electrolyte inlet and an electrolyte outlet; a hollow rectangular middle through hole capable of accommodating the porous electrode is formed in the middle of the rectangular flat plate; an upper liquid distribution groove and a lower liquid distribution groove are respectively arranged on the surface of the electrode frame, close to two opposite sides of the rectangular middle through hole, on one side surface of the electrode frame and are respectively used as an electrolyte inlet liquid distribution groove and an electrolyte outlet liquid distribution groove, the inlet liquid distribution groove is communicated with an electrolyte inlet through an inlet main runner groove, and the outlet liquid distribution groove is communicated with an electrolyte outlet through an outlet main runner groove; the liquid inlet distribution groove is communicated with the middle through hole through an inlet liquid separation flow passage (or groove), and the liquid outlet distribution groove is communicated with the middle through hole through an outlet liquid separation flow passage (or groove);
the method is characterized in that: the electrolyte outlet is positioned at the left upper part of the flat plate, the outlet main runner groove is divided into an upper part and a lower part, the liquid outlet distribution groove is divided into a left part and a right part, the outlet main runner groove at the upper part is communicated with the upper half part of the electrolyte outlet, and the outlet main runner groove at the lower part is communicated with the lower half part of the electrolyte outlet; the right end of the upper outlet main flow channel groove is communicated with the left end of the right liquid outlet distribution groove, and the right end of the lower outlet main flow channel groove is communicated with the left end of the left liquid outlet distribution groove; the section of the outlet liquid separation flow channel parallel to the surface of the rectangular flat plate is inverted trapezoid, and the liquid outlet distribution groove is communicated with the middle through hole through the outlet liquid separation flow channel;
the electrolyte inlet is positioned at the right lower part of the flat plate, the inlet main runner groove is divided into an upper part and a lower part, the liquid inlet distribution groove is divided into a left part and a right part, the inlet main runner groove at the upper part is communicated with the upper half part of the electrolyte inlet, and the inlet main runner groove at the lower part is communicated with the lower half part of the electrolyte inlet; the left end of the upper inlet main runner groove is communicated with the right end of the right liquid inlet distribution groove, and the left end of the lower inlet main runner groove is communicated with the right end of the left liquid inlet distribution groove; the section of the inlet liquid separation flow channel parallel to the surface of the rectangular flat plate is trapezoidal, and the liquid inlet distribution groove is communicated with the middle through hole through the inlet liquid separation flow channel.
2. The electrode frame of claim 1, wherein: the 180-degree arc angle area where the upper half part of the electrolyte outlet is located is communicated with the outlet main runner groove at the upper part; the 120-degree and 180-degree arc angle areas where the lower half part of the electrolyte outlet is located are communicated with the outlet main runner groove at the lower part;
the 120-degree and 180-degree arc angle areas where the upper half part of the electrolyte inlet is located are communicated with the inlet main runner groove at the upper part; the 180-degree arc angle area where the lower half part of the electrolyte inlet is located is communicated with the inlet main runner groove at the lower part.
3. The electrode frame of claim 1, wherein: the export sprue recess, go out liquid distribution recess, export divide the liquid runner, import sprue recess, feed liquor distribution recess, import divide all to be equipped with the cover plate on the liquid runner, prevent that sealed pad from blocking up the runner when compressing tightly.
4. The electrode frame of claim 1, wherein: the electrode frame material is PVC polyvinyl chloride.
5. Use of an electrode frame according to any one of claims 1 to 4 in an all vanadium flow battery.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811149155.6A CN110970634B (en) | 2018-09-29 | 2018-09-29 | Electrode frame for all-vanadium redox flow battery and application |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811149155.6A CN110970634B (en) | 2018-09-29 | 2018-09-29 | Electrode frame for all-vanadium redox flow battery and application |
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| CN110970634B CN110970634B (en) | 2023-07-07 |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101587959A (en) * | 2008-05-23 | 2009-11-25 | 大连融科储能技术发展有限公司 | Electrode frame and all-vanadium redox flow battery pile |
| CN101667646A (en) * | 2008-09-03 | 2010-03-10 | 中国科学院大连化学物理研究所 | Electrode frame structure for redox flow cell |
| CN102522577A (en) * | 2011-12-31 | 2012-06-27 | 中国东方电气集团有限公司 | Current collecting plates and liquid stream battery stack adopting same |
| US20130022846A1 (en) * | 2011-07-19 | 2013-01-24 | Mao-Huang Liu | Electrode structure of vanadium redox flow battery |
| CN204966600U (en) * | 2015-09-22 | 2016-01-13 | 中国科学院金属研究所 | Full vanadium redox flow battery is with asymmetric electrode frame |
| KR20170034995A (en) * | 2015-09-21 | 2017-03-30 | 전자부품연구원 | Flow flame and redox flow secondary battery having the same |
| KR20170127848A (en) * | 2016-05-13 | 2017-11-22 | 주식회사케이세라셀 | The Redox flow battery including inner cover |
| JP2017208272A (en) * | 2016-05-19 | 2017-11-24 | 住友電気工業株式会社 | Redox flow battery |
| CN107845823A (en) * | 2016-09-21 | 2018-03-27 | 中国科学院大连化学物理研究所 | A kind of electrode frame structure of flow cell pile |
| WO2018092215A1 (en) * | 2016-11-16 | 2018-05-24 | 住友電気工業株式会社 | Cell frame, cell stack, and redox flow battery |
| CN108550885A (en) * | 2018-06-26 | 2018-09-18 | 杭州德海艾科能源科技有限公司 | A kind of electrode frame used for all-vanadium redox flow battery |
| CN208889773U (en) * | 2018-09-29 | 2019-05-21 | 中国科学院大连化学物理研究所 | A kind of flow battery electrode frame structure |
-
2018
- 2018-09-29 CN CN201811149155.6A patent/CN110970634B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101587959A (en) * | 2008-05-23 | 2009-11-25 | 大连融科储能技术发展有限公司 | Electrode frame and all-vanadium redox flow battery pile |
| CN101667646A (en) * | 2008-09-03 | 2010-03-10 | 中国科学院大连化学物理研究所 | Electrode frame structure for redox flow cell |
| US20130022846A1 (en) * | 2011-07-19 | 2013-01-24 | Mao-Huang Liu | Electrode structure of vanadium redox flow battery |
| CN102522577A (en) * | 2011-12-31 | 2012-06-27 | 中国东方电气集团有限公司 | Current collecting plates and liquid stream battery stack adopting same |
| KR20170034995A (en) * | 2015-09-21 | 2017-03-30 | 전자부품연구원 | Flow flame and redox flow secondary battery having the same |
| CN204966600U (en) * | 2015-09-22 | 2016-01-13 | 中国科学院金属研究所 | Full vanadium redox flow battery is with asymmetric electrode frame |
| KR20170127848A (en) * | 2016-05-13 | 2017-11-22 | 주식회사케이세라셀 | The Redox flow battery including inner cover |
| JP2017208272A (en) * | 2016-05-19 | 2017-11-24 | 住友電気工業株式会社 | Redox flow battery |
| CN107845823A (en) * | 2016-09-21 | 2018-03-27 | 中国科学院大连化学物理研究所 | A kind of electrode frame structure of flow cell pile |
| WO2018092215A1 (en) * | 2016-11-16 | 2018-05-24 | 住友電気工業株式会社 | Cell frame, cell stack, and redox flow battery |
| CN108550885A (en) * | 2018-06-26 | 2018-09-18 | 杭州德海艾科能源科技有限公司 | A kind of electrode frame used for all-vanadium redox flow battery |
| CN208889773U (en) * | 2018-09-29 | 2019-05-21 | 中国科学院大连化学物理研究所 | A kind of flow battery electrode frame structure |
Non-Patent Citations (1)
| Title |
|---|
| 马相坤等: "全钒液流电池流场模拟与优化", 《电源技术》, vol. 36, no. 11, pages 1647 - 1650 * |
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Application publication date: 20200407 Assignee: Xinxing Ductile Iron Pipes Co.,Ltd. Assignor: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES Contract record no.: X2023210000177 Denomination of invention: An electrode frame for all vanadium flow batteries and its application Granted publication date: 20230707 License type: Common License Record date: 20231116 |