CN201549546U - Columnar flow battery device - Google Patents
Columnar flow battery device Download PDFInfo
- Publication number
- CN201549546U CN201549546U CN2009202707933U CN200920270793U CN201549546U CN 201549546 U CN201549546 U CN 201549546U CN 2009202707933 U CN2009202707933 U CN 2009202707933U CN 200920270793 U CN200920270793 U CN 200920270793U CN 201549546 U CN201549546 U CN 201549546U
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- China
- Prior art keywords
- positive
- electrolyte
- negative
- negative pole
- barrier film
- 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.)
- Expired - Lifetime
Links
- 239000003792 electrolyte Substances 0.000 claims abstract description 65
- 230000004888 barrier function Effects 0.000 claims description 33
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 239000004020 conductor Substances 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 229910052720 vanadium Inorganic materials 0.000 abstract description 13
- 239000008151 electrolyte solution Substances 0.000 abstract description 8
- 239000000243 solution Substances 0.000 abstract description 8
- 230000003321 amplification Effects 0.000 abstract description 3
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 8
- 229940021013 electrolyte solution Drugs 0.000 description 7
- 230000008676 import Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000011160 research Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000003487 electrochemical reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical compound BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 2
- 238000006557 surface reaction Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000002000 Electrolyte additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000003014 ion exchange membrane Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- HYHCSLBZRBJJCH-UHFFFAOYSA-N sodium polysulfide Chemical compound [Na+].S HYHCSLBZRBJJCH-UHFFFAOYSA-N 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- KJDNAUVRGACOHX-UHFFFAOYSA-N sulfuric acid;vanadium Chemical compound [V].OS(O)(=O)=O KJDNAUVRGACOHX-UHFFFAOYSA-N 0.000 description 1
- 229910001456 vanadium ion Inorganic materials 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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
A columnar flow battery device comprises an outer insulating layer, a cylindrical negative electrode, a positive electrode and a diaphragm ring which are arranged on the outer layer of the device, wherein the inner layer of the insulating layer wrapped with a ring of cylindrical negative electrode, and a negative electrode vanadium electrolyte cavity is filled between the negative electrode and the outer layer of the diaphragm ring; a positive electrode vanadium electrolyte cavity is positioned between the inner side of the diaphragm ring and the center positive electrode of the device, and the positive wire and the negative wire respectively correspond to the center positive electrode and are connected with the negative electrode. The utility model can realize the combination with the positive and negative electrolyte solution and the solution conveying system, and adopts the columnar flow battery module structure; the amplification of voltage and power can be realized through the series-parallel connection between the battery modules; both the diaphragm and the positive and negative electrodes adopt a cylindrical structure; and the product has wide application range and larger expanding space.
Description
Technical field
The utility model relates to a kind of all-vanadium flow battery, relates in particular to a kind of column redox flow cell device.
Background technology
Because the advance on the all-vanadium flow battery principle, the research at the all-vanadium flow battery aspect at present also progressively launches.This wherein representative scientific research project is for example explored the influence to electrochemical reaction of concentration of electrolyte solutions and additive; The electrochemical behavior of vanadium solution on different carbon electrode materials and the fast charging and discharging performance of battery; In the vanadium sulfuric acid solution, add an amount of sodium sulphate and glycerine with the solubility of raising vanadium ion and the stability of solution; The used for all-vanadium redox flow battery proton conduction membrane material; Carry out the research of all-vanadium flow battery electrode process; The research and development of all-vanadium flow accumulating system and critical material thereof, and at the basic research work of high concentration, high stability electrolyte solution; Iron/chrome liquor galvanic battery, sodium polysulfide/bromine accumulating system and all-vanadium flow accumulating system; Material migration and dispersal behavior, electric pile structure design and automation control principle aspect in the ion exchange membrane material selection of all-vanadium flow battery, the film.Along with developing rapidly and the quick growth of China's wind-powered electricity generation industry of wind-powered electricity generation installed capacity in the world, day by day urgent to the market demand of extensive electric power storage energy storing devices.The all-vanadium flow battery technology presents following developing direction: (1) increase scale: develop extensive liquid stream electric power storage process design theory and integrated principle, the optimization system design, constitute the ultra-large liquid stream accumulating system of number megawatt hour, satisfy the demand of processes such as renewable energy power generation, peak load regulation network extensive electric power storage.(2) raise the efficiency: optimize electric pile structure and battery material, reduce the discharge of both positive and negative polarity electrolyte intersection; Increase electrolyte valid density and change electrode structure, reduce overpotential, improve liquid stream accumulating system energy efficiency.(3) reduce cost: by the professional etiquette modelling preparation of going forward side by side of further investigation battery critical material, explore the model electrochemical system, optimize liquid stream accumulating system and form, reduce system cost, strengthen the market competitiveness.(4) life-saving: development of new amberplex, electrode and bipolar plate material, strengthen the oxidative resistance of battery material in electrochemical system, prolong the useful life of extensive liquid stream accumulating system.
Present all-vanadium flow battery all adopts bipolar plate structure pile, complex structure.On the one hand, adopt the bipolar electrode series connection, if wherein one group of damage just can cause the whole system operation troubles, and the maintain and replace difficulty; On the other hand, internal leak easily takes place in the bipolar plates pile, causes the cross pollution of both positive and negative polarity electrolyte, causes the pile energy loss bigger.
The utility model content
At above defective, the purpose of this utility model provides a kind of column redox flow cell device that production cost, improved modular structure were provided with rationally, adopted column flow battery modular structure that reduced, to realize by making up the independent battery module that normally to move with both positive and negative polarity electrolyte solution and solution conveying system.
For achieving the above object, the utility model is achieved through the following technical solutions:
A kind of column redox flow cell device comprises the negative pole, positive pole and the barrier film circle that are arranged at the outer field insulating barrier of device, tubular construction, is filled to negative pole V electrolyte chamber between described negative pole and the barrier film circle skin; Be set to anodal V electrolyte chamber or negative pole V electrolyte chamber between described barrier film circle inboard and the device center cathode; Be filled to anodal V electrolyte chamber between described positive pole and the barrier film circle skin; This cell apparatus is offered anodal electrolyte inlet tube and negative pole electrolyte inlet tube respectively in positive input or negative sense output; Described barrier film circle and positive and negative electrode are tubular construction; Be filled to the electric conducting material of carbon felt, graphite felt, carbon cloth or other increase electrode specific surface area between positive and negative electrode and the barrier film; Positive and negative electrode and both positive and negative polarity electrolyte liquor chamber number are several.
Compared with prior art, the beneficial effect of column redox flow cell device described in the utility model is: can realize by making up the independent battery module that can normally move with both positive and negative polarity electrolyte solution and solution conveying system; Adopt column flow battery modular structure, positive and negative electrode and both positive and negative polarity electrolyte liquor chamber number are N (N is a positive integer); Can realize the amplification of voltage and power between the battery module by connection in series-parallel; Barrier film, positive and negative electrode all adopt tubular construction; Can fill and can be the electric conducting material of carbon felt, graphite felt, carbon cloth or other increase electrode specific surface area between electrode and the barrier film; The product applied range has bigger expanding space.
Description of drawings
According to embodiment and accompanying drawing the utility model is described in further detail below.
Fig. 1 is the longitudinal profile structural representation of the described column redox flow cell device of the utility model embodiment;
Fig. 2 is the horizontal section structural representation of the described column redox flow cell device of the utility model embodiment;
Fig. 3 is another embodiment schematic diagram of the present utility model.
Among the figure:
1, insulating barrier; 2, negative pole; 2 ', positive pole; 3, negative pole V electrolyte chamber; 3 ', anodal V electrolyte chamber; 4, barrier film circle; 5, anodal V electrolyte chamber; 5 ', negative pole V electrolyte chamber; 6, positive pole; 6 ', negative pole; 7, cathode conductor; 7 ', positive wire; 8, positive wire; 8 ', cathode conductor; 9, anodal electrolyte inlet tube; 9 ', negative pole electrolyte inlet tube; 10, negative pole electrolyte inlet tube; 10 ', anodal electrolyte inlet tube; 11, anodal electrolyte outlet; 11 ', negative pole electrolyte outlet; 12, negative pole electrolyte outlet; 12 ', anodal electrolyte outlet.
Embodiment
Shown in Fig. 1-2, column redox flow cell device described in the utility model, comprise the negative pole 2, positive pole 6 and the barrier film circle 4 that are arranged at the outer field insulating barrier 1 of device, tubular construction, the negative pole 2 of described insulating barrier 1 internal layer parcel one circle tubular construction is filled to negative pole V electrolyte chamber 3 between this negative pole 2 and barrier film circle 4 skins; Be set to anodal V electrolyte chamber 5 between described barrier film circle 4 inboards and the device center cathode 6, described positive wire 8 is distinguished corresponding center cathode 6 separately with cathode conductor 7 and is connected with negative pole 2; This cell apparatus is offered anodal electrolyte inlet tube 9 and negative pole electrolyte inlet tube 10 respectively in positive input, and its negative sense output is offered anodal electrolyte outlet 11 and negative pole electrolyte outlet 12 respectively.This device can be realized by making up the independent battery module that can normally move with both positive and negative polarity electrolyte solution and solution conveying system; Adopt column flow battery modular structure, positive-negative electrode plate and both positive and negative polarity electrolyte liquor chamber number are N (N is a positive integer); Can realize the amplification of voltage and power between the battery module by connection in series-parallel; Barrier film, positive and negative electrode all adopt tubular construction; Can fill and can be the electric conducting material of carbon felt, graphite felt, carbon cloth or other increase electrode specific surface area between electrode and the barrier film.
More than column redox flow cell device described in the utility model, anodal electrolyte enters anodal V electrolyte chamber 5 by the anodal electrolyte inlet tube 9 of import during work, is flowed back to by anodal electrolyte outlet 11 and valve thereof again; And negative pole electrolyte enters anodal V electrolyte chamber 3 by import negative pole electrolyte inlet tube 10, is flowed back to by anodal electrolyte outlet 12 and valve thereof again; Cathode conductor 7 and positive wire 8 are connected with corresponding pole plate and are connected with load or during the power supply connection, electrolyte flows into, flows out two half-cell group unit from outlet from import, realize the circulation supply by external force, barrier film only allows hydrogen ion to pass through, the film both sides form potential difference, the electrolyte solution concurrent flow is crossed electrode surface and electrochemical reaction is taken place, and collects and conduction current by battery lead plate.
As shown in Figure 3, column redox flow cell device described in the utility model, comprise the positive pole 2 that is arranged at the outer field insulating barrier 1 of device, tubular construction ', negative pole 6 ' and barrier film circle 4, the positive pole 2 of described insulating barrier internal layer parcel one circle tubular construction ', this positive pole 2 ' and barrier film circle 4 skins between be filled to anodal V electrolyte chamber 3 '; Described barrier film circle 4 inboard with device center negative pole 6 ' between be set to negative pole V electrolyte chamber 5 ', described cathode conductor 8 ' with positive wire 7 ' distinguish separately corresponding center negative pole 6 ' with positive pole 2 ' be connected; This cell apparatus in positive input offer respectively anodal electrolyte inlet tube 10 ' with negative pole electrolyte inlet tube 9 ', its negative sense output offer respectively anodal electrolyte outlet 11 ' with negative pole electrolyte outlet 12 '.During work anodal electrolyte by the anodal electrolyte inlet tube 10 of import ' enter anodal V electrolyte chamber 3 ', again by anodal electrolyte outlet 11 ' and valve flow back to; And negative pole electrolyte by import negative pole electrolyte inlet tube 9 ' enter negative pole V electrolyte chamber 5 ', again by negative pole electrolyte outlet 12 ' and valve flow back to; When cathode conductor 8 ' with positive wire 7 ' with corresponding pole plate is connected and is connected with load or power supply, electrolyte flows into, flows out two half-cell group unit from outlet from import, realize the circulation supply by external force, barrier film only allows hydrogen ion to pass through, the film both sides form potential difference, the electrolyte solution concurrent flow is crossed electrode surface and electrochemical reaction is taken place, and collects and conduction current by battery lead plate.
Claims (8)
1. a column redox flow cell device is characterized in that: comprise the negative pole, positive pole and the barrier film circle that are arranged at the outer field insulating barrier of device, tubular construction, be filled to negative pole V electrolyte chamber between described negative pole and the barrier film circle skin; Be set to anodal V electrolyte chamber between described barrier film circle inboard and the device center cathode.
2. column redox flow cell device according to claim 1 is characterized in that: be filled to anodal V electrolyte chamber between described positive pole and the barrier film circle skin.
3. column redox flow cell device according to claim 2 is characterized in that: be set to negative pole V electrolyte chamber between described barrier film circle inboard and the device center negative pole.
4. column redox flow cell device according to claim 1 is characterized in that: this cell apparatus is offered anodal electrolyte inlet tube and negative pole electrolyte inlet tube respectively in positive input.
5. column redox flow cell device according to claim 1 is characterized in that: this cell apparatus is offered anodal electrolyte outlet and negative pole electrolyte outlet respectively in the negative sense output.
6. column redox flow cell device according to claim 1 is characterized in that: described barrier film circle and positive and negative electrode are tubular construction.
7. according to claim 1 or 6 described column redox flow cell devices, it is characterized in that: the electric conducting material that is filled to carbon felt, graphite felt, carbon cloth or other increase electrode specific surface area between positive and negative electrode and the barrier film.
8. column redox flow cell device according to claim 1 is characterized in that: positive and negative electrode and both positive and negative polarity electrolyte liquor chamber number are several.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202707933U CN201549546U (en) | 2009-11-26 | 2009-11-26 | Columnar flow battery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202707933U CN201549546U (en) | 2009-11-26 | 2009-11-26 | Columnar flow battery device |
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| Publication Number | Publication Date |
|---|---|
| CN201549546U true CN201549546U (en) | 2010-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202707933U Expired - Lifetime CN201549546U (en) | 2009-11-26 | 2009-11-26 | Columnar flow battery device |
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| Country | Link |
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| CN (1) | CN201549546U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005627A (en) * | 2010-09-30 | 2011-04-06 | 马润芝 | Aluminum and magnesium alloy fuel battery capable of replacing fuel |
| CN102456904A (en) * | 2010-10-29 | 2012-05-16 | 中国科学院大连化学物理研究所 | Structure of liquid-flow energy storage cell |
| CN102763254A (en) * | 2009-12-16 | 2012-10-31 | 麻省理工学院 | High energy density redox flow device |
| US9614231B2 (en) | 2008-06-12 | 2017-04-04 | 24M Technologies, Inc. | High energy density redox flow device |
| US9786944B2 (en) | 2008-06-12 | 2017-10-10 | Massachusetts Institute Of Technology | High energy density redox flow device |
| US9831518B2 (en) | 2012-12-13 | 2017-11-28 | 24M Technologies, Inc. | Semi-solid electrodes having high rate capability |
| US9831519B2 (en) | 2012-12-13 | 2017-11-28 | 24M Technologies, Inc. | Semi-solid electrodes having high rate capability |
| CN109346754A (en) * | 2018-10-17 | 2019-02-15 | 国电南瑞科技股份有限公司 | A kind of flow battery of high power density |
| US11909077B2 (en) | 2008-06-12 | 2024-02-20 | Massachusetts Institute Of Technology | High energy density redox flow device |
-
2009
- 2009-11-26 CN CN2009202707933U patent/CN201549546U/en not_active Expired - Lifetime
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10236518B2 (en) | 2008-06-12 | 2019-03-19 | 24M Technologies, Inc. | High energy density redox flow device |
| US9614231B2 (en) | 2008-06-12 | 2017-04-04 | 24M Technologies, Inc. | High energy density redox flow device |
| US9786944B2 (en) | 2008-06-12 | 2017-10-10 | Massachusetts Institute Of Technology | High energy density redox flow device |
| US11909077B2 (en) | 2008-06-12 | 2024-02-20 | Massachusetts Institute Of Technology | High energy density redox flow device |
| US11342567B2 (en) | 2008-06-12 | 2022-05-24 | Massachusetts Institute Of Technology | High energy density redox flow device |
| CN102763254A (en) * | 2009-12-16 | 2012-10-31 | 麻省理工学院 | High energy density redox flow device |
| CN102763254B (en) * | 2009-12-16 | 2015-07-08 | 麻省理工学院 | High energy density redox flow device |
| CN102005627B (en) * | 2010-09-30 | 2013-05-29 | 马润芝 | Aluminum and magnesium alloy fuel battery capable of replacing fuel |
| CN102005627A (en) * | 2010-09-30 | 2011-04-06 | 马润芝 | Aluminum and magnesium alloy fuel battery capable of replacing fuel |
| CN102456904A (en) * | 2010-10-29 | 2012-05-16 | 中国科学院大连化学物理研究所 | Structure of liquid-flow energy storage cell |
| CN102456904B (en) * | 2010-10-29 | 2014-04-09 | 大连融科储能技术发展有限公司 | Structure of liquid-flow energy storage cell |
| US9831518B2 (en) | 2012-12-13 | 2017-11-28 | 24M Technologies, Inc. | Semi-solid electrodes having high rate capability |
| US10483582B2 (en) | 2012-12-13 | 2019-11-19 | 24M Technologies, Inc. | Semi-solid electrodes having high rate capability |
| US11018365B2 (en) | 2012-12-13 | 2021-05-25 | 24M Technologies, Inc. | Semi-solid electrodes having high rate capability |
| US11811119B2 (en) | 2012-12-13 | 2023-11-07 | 24M Technologies, Inc. | Semi-solid electrodes having high rate capability |
| US9831519B2 (en) | 2012-12-13 | 2017-11-28 | 24M Technologies, Inc. | Semi-solid electrodes having high rate capability |
| CN109346754B (en) * | 2018-10-17 | 2022-02-15 | 国电南瑞科技股份有限公司 | High-power-density flow battery |
| CN109346754A (en) * | 2018-10-17 | 2019-02-15 | 国电南瑞科技股份有限公司 | A kind of flow battery of high power density |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170303 Address after: 100084 Haidian District Tsinghua Yuan Beijing No. 1 Patentee after: Tsinghua University Patentee after: Chengde Xinxin vanadium titanium Storage Technology Co. Ltd. Address before: 067002 Chengde City, Hebei province shuangluanou bearing steel Financial Plaza B block 6 layer of vanadium battery project group Patentee before: Chengde Wanlitong Industrial Group Co., Ltd. Patentee before: Tsinghua University |
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| CP03 | Change of name, title or address |
Address after: 067002 Chengde city in Hebei Province town of Shuangluan district on the north side of the Luanhe River Luan Luan River Street No. 80 circuit Co-patentee after: Tsinghua University Patentee after: Chengde Xinxin vanadium titanium Storage Technology Co. Ltd. Address before: 100084 Haidian District Tsinghua Yuan Beijing No. 1 Co-patentee before: Chengde Xinxin vanadium titanium Storage Technology Co. Ltd. Patentee before: Tsinghua University |
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| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100811 |
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| CX01 | Expiry of patent term |