CN202888323U - Electric pile structure of flow battery having less possibility of leaking - Google Patents
Electric pile structure of flow battery having less possibility of leaking Download PDFInfo
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- CN202888323U CN202888323U CN2012203847497U CN201220384749U CN202888323U CN 202888323 U CN202888323 U CN 202888323U CN 2012203847497 U CN2012203847497 U CN 2012203847497U CN 201220384749 U CN201220384749 U CN 201220384749U CN 202888323 U CN202888323 U CN 202888323U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/30—Hydrogen technology
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Abstract
The utility model relates to an electric pile structure of a flow battery having less possibility of leaking. The electric pile structure comprises an positive pole-end press plate, a negative pole-end press plate and a fastener, wherein a plurality of liquid flow mono-batteries are overlapped with one another top and bottom and are fixedly arranged between the positive pole-end press plate and the negative pole-end press plate by the fastener to form an electric pile, each liquid flow mono-battery comprises bipolar plates and membrane electrode components clamped among the bipolar plates, each bipolar plate comprises a plate frame and an electrode plate arranged in an inner frame of the plate frame, the plate frames and the inner frames of the bipolar plates are square or rectangular, a flow inlet/outlet and a fluid passageway are arranged on the plate frame of each bipolar plate, each fluid passageway comprises a main passageway and a branch passageway, each main passageway is arranged along the periphery of the plate frame of each bipolar plate, one end of each main passageway is connected with each fluid inlet/outlet, the other end of each main passageway is connected with each branch passageway, and each branch passageway is communicated with each inner frame. Compared with the prior art, the electric pile structure has the advantages of being incapable of self discharge, easy to seal and the like.
Description
Technical field
The utility model relates to a kind of technical field of new energies, especially relates to a kind of electric pile structure that is difficult for the leakage fluid galvanic battery.
Background technology
Utilizing the renewable energy power generations such as wind energy, solar energy is the human topmost mode of utilizing generation of electricity by new energy in the future.Because wind energy, solar power generation process are affected by natural cause such as weather etc., have randomness, discontinuous characteristics, the electric energy that is difficult to keep stable is exported, and the apparatus for storing electrical energy of needs and certain scale matches, the electric power system of complete guarantees continual and steady electric power supply.Therefore, exploitation electric energy conversion efficiency height, storage volume energy-storage system large, that economic performance is good become the key problem in technology that utilizes generation of electricity by new energy.With various forms of energy storage technologies, the characteristics such as such as retaining energy-accumulating power station, high speed flywheel mechanical energy storage, superconducting energy storage etc. compared, and electrochemical energy storage has the energy conversion efficiency height, and mobility is strong have unique advantage in all kinds of energy storage technologies.In various electrochemical energy storage technology, flow battery system has large capacity electrical power storage and Efficient Conversion function, and the characteristics of long service life, environmental protection, safety, is easy to be complementary with wind energy, solar power generation, can the decrease equipment manufacturing cost, for generation of electricity by new energy provides technique guarantee.Be used for the network system energy storage, the uninterrupted power supply that is suitable for medium-scale industrial enterprise, hotel, government department uses, and can effectively improve grid supply quality, finishes " peak load shifting " effect of electrical network.
All-vanadium flow battery (Vanadium Redox Battery, VRB) be a kind of mechanism of new electrochemical power sources, vanadium ion by different valence state transforms storage and the release that realizes electric energy mutually, use v element of the same race to form battery system, avoided variety classes active material between positive and negative half-cell to interpenetrate the cross pollution of generation from principle.(Fig. 1) use and to be dissolved in that the different valence state vanadium ion is as anode and negative electrode active material in the electrolyte, anode electrolyte and negative pole electrolyte separately store, and avoid battery storage process self-discharge phenomenon from principle, are suitable for extensive thermal energy storage process and use.Anode electrolyte storage tank B and negative pole electrolyte storage tank A provide electrolyte by magnetic drive pump D for anodal E and the negative pole E of all-vanadium flow battery, and anodal E and negative pole E ' separate by amberplex G, are power source loads C power supply.When the power of wind energy, device of solar generating surpasses rated output power, by the charging to flow battery, be that chemical energy is stored in the ion pair of different valence state with electric energy conversion; When Blast Furnace Top Gas Recovery Turbine Unit (TRT) can not satisfy rated output power, flow battery began discharge, and the chemical energy that stores is converted into electric energy, guaranteed the stable electrical power stage.Because flow battery obtains common concern for the significance of the renewable energy power generation processes such as wind energy, solar energy at home and abroad as key technology.
Following redox reaction will occur on the electrode in all-vanadium flow battery charge/discharge running.
Anodal reaction:
E
0＝1.00V
Negative reaction:
E
0＝-0.26V
Because anode electrolyte and negative pole electrolyte are in respectively oxidizability valence state and reproducibility valence state, it no matter is the charge/discharge running in pile inside, or electrolyte course of conveying, need to keep anode electrolyte and negative pole electrolyte not to mix, otherwise between the vanadium ion of different valence state each other exchang electron produce self-discharge phenomenon, have a strong impact on battery efficiency.Normal conditions, two kinds of electrolyte transfer pipelines, delivery pump, and reservoir vessel realizes independently of one another easily, do not produce anode electrolyte and negative pole electrolyte mixed problem.Yet electrolyte exists three kinds to cause that positive pole, negative pole electrolyte mix or self-discharge phenomenon at pile internal flow process and the flow process that flows through storage container.1) pass the mixing of amberplex: when amberplex was not good enough for the vanadium ion barrier properties, the cell charging/discharging running was followed the hydrogen ion migration, the infiltration of vanadium ion generation cross-film; Can improve vanadium ion/hydrogen ion selective by selecting suitable membrane material, solve vanadium ion cross-film infiltration problem.2) pass the mixing of pile hermetically-sealed construction: two kinds of electrolyte need to pass same interface simultaneously, and are assigned to electrode surface and carry out electrochemical reaction.Pile sealing will guarantee that electrolyte can not leak into the pile outside, guarantees that again pile inside do not go here and there liquid to each other, realizes on same plane that particularly amberplex and two kinds of electrolyte seal simultaneously, and is often very difficult.Existing flow battery technology (China Patent Publication No.: 1531761A, 1515046A) adopts O type sealing ring simultaneously crimping barrier film and hermetic electrolyte liquid mode, carries out the pile sealing, obtains certain effect.Yet, this electric pile structure sealing means depends critically upon battery sheet frame machining accuracy and seal member material properties, in long-term use procedure, often because of factors such as variations in temperature, amberplex change in size, cause that two kinds of electrolyte leak from the sealing position, produce mixed self discharge problem.Exist it to import and export total pipeline with electrolyte during 3) by each monocell of electrolyte supply, or be common conduit, cause each inside battery to produce by-pass current, cause self-discharge of battery, and cause the battery capacity partial loss.
Pass through electrolyte self discharge problem in order to solve the three kinds of electrolyte in pile inside that have flow battery now from sealing position leakage, intersection leakage and minimizing, avoid the adopted pollution of electrolyte friendship, the electrolyte self discharge is passed through in minimizing, the raising coulombic efficiency.Patent application 20091007843.2 discloses a kind of flow battery, its positive and negative liquid stream sheet frame and inside casing thereof are square or rectangle, one jiao of positive and negative liquid flow frame plate bottom arranges inlet opening, another angle arranges liquid pass hole, one jiao on top arranges fluid hole, another angle arranges liquid pass hole, just, negative liquid stream sheet frame upper and lower is respectively equipped with feed liquor branch flow channel and fluid branch flow channel, feed liquor branch flow channel and fluid branch flow channel are evenly made a circulation to connect and compose by three long straight troughs from beginning to end, the length of the liquid in-out branch flow channel that has been multiplied, thereby the electrolyte that has been multiplied advances, the resistance of fluid branch flow channel, thereby reduced at double flow battery self discharge electric current, greatly improved the energy efficiency of flow battery.
But this scheme, the public dispensing orifice of turnover fluid all is arranged on the deckle board, and that public dispensing orifice will be quadratured is larger, cause the deckle board area to increase, and the electrolyte that public dispensing orifice flows out not is directly to enter electrode, but imports by S type liquid in-out branch flow channel, and S type liquid in-out branch flow channel also is arranged on the deckle board, area occupied is large, cause the deckle board volume large, the waste material, and also the sealing of S type liquid in-out branch flow channel is difficult, in order to make the sealing of S type fluid passage, be provided with cover plate and cover S type fluid passage, but still be difficult to sealing, especially work as battery operation, when temperature raises, owing to expand with heat and contract with cold, seal more difficultly, the electrolyte channelling occurs easily, cause self discharge, in addition, S type fluid passage flow is limited, and flow resistance is handed over large, increase the power consumption of the electrolyte delivery pump of whole flow battery system, thereby reduced system effectiveness.
Summary of the invention
The purpose of this utility model be exactly provide in order to overcome the defective that above-mentioned prior art exists a kind of can self discharge, the easily electric pile structure that is difficult for the leakage fluid galvanic battery of sealing.
The purpose of this utility model can be achieved through the following technical solutions: a kind of electric pile structure that is difficult for the leakage fluid galvanic battery, comprise the positive terminal pressing plate, the negative pole end pressing plate, securing member, a plurality of liquid stream monocells superpose up and down and are fixedly installed between positive terminal pressing plate and the negative pole end pressing plate by securing member and form pile, described liquid stream monocell comprises bipolar plates, and be folded in membrane electrode assembly between the bipolar plates, described bipolar plates comprises the battery lead plate that arranges in the inside casing of sheet frame and sheet frame, bipolar plates sheet frame and inside casing thereof are square or rectangle, the bipolar plates sheet frame is provided with fluid passing hole and fluid passage, it is characterized in that, described fluid passage comprises sprue and branch flow passage, described sprue arranges around the bipolar plates sheet frame, the one end connects fluid passing hole, and the other end connects branch flow passage, and branch flow passage is communicated with inside casing.
The length of described sprue is according to the conductivity setting of electrolyte, sprue is along the setting of walking on one side of bipolar plates sheet frame, its length is bipolar plates sheet frame length on one side, or sprue is along the polygon walking setting of bipolar plates sheet frame, its length is the polygon length sum of bipolar plates sheet frame, and perhaps sprue arranges along bipolar plates sheet frame periphery circulation walking.
Described branch flow passage comprises a long straight trough and a comb shape groove, and described long straight trough one end is communicated with sprue, and is communicated with inside casing by the comb shape groove.
Described bipolar plates sheet frame is bonding or form by the sealing ring pressing by positive plate sheet frame and its adjacent single cells negative plate sheet frame, the inside casing of positive plate sheet frame and its adjacent single cells negative plate sheet frame shares a conductive plate and forms bipolar plates, is provided with membrane electrode assembly between the adjacent bipolar plates.
Described positive plate sheet frame front arranges anodal branch flow passage, reverse side arranges anodal sprue, anode electrolyte flow to positive anodal branch flow passage flow to the anodal sprue of reverse side from fluid passing hole after again, flow to inside casing from anodal branch flow passage, described anodal branch flow passage shape is made of a strip straight trough and comb shape groove; Described negative plate sheet frame shape and positive plate sheet frame are roughly the same, the front arranges the negative pole branch flow passage, reverse side arranges the negative pole sprue, negative pole electrolyte flow to positive negative pole branch flow passage flow to the negative pole sprue of reverse side from fluid passing hole after again, flow to inside casing from the negative pole branch flow passage, described negative pole branch flow passage shape is made of a strip straight trough and comb shape groove.
Described positive plate sheet frame front arranges anodal branch flow passage and anodal sprue, and described negative plate sheet frame front arranges negative pole branch flow passage and negative pole sprue.
Described positive plate sheet frame front arranges anodal branch flow passage, and reverse side arranges anodal sow (channel) a and negative pole sow (channel) a; Described negative plate sheet frame front arranges the negative pole branch flow passage, reverse side arranges anodal sow (channel) b and the negative pole sow (channel) b corresponding with positive plate sheet frame reverse side, the reverse side of positive plate sheet frame and negative plate sheet frame is bonding or press together the formation bipolar plates by sealing ring, be arranged in the anodal sow (channel) a of its interlayer and anodal sow (channel) b is bonding or pressing after form anodal sprue, form the negative pole sprue after the bonding or pressing of negative pole sow (channel) a and negative pole sow (channel) b, anode electrolyte flow to positive anodal branch flow passage again after fluid passing hole flow to anodal sprue the interlayer, flow to inside casing from anodal branch flow passage, negative pole electrolyte flow to positive negative pole branch flow passage flow to the negative pole sprue of reverse side from fluid passing hole after again, flows to inside casing from the negative pole branch flow passage.
Be provided with built-in pipe in described anodal sprue and/or the negative pole sprue.
Be respectively provided to a few seal groove on described positive plate sheet frame and the negative plate sheet frame and place sealing ring, in the same monocell, be pressed in respectively the amberplex both sides of same membrane electrode assembly between positive plate sheet frame and the negative plate sheet frame, seal by sealing ring; Be pressed in respectively on the same conductive plate between positive plate sheet frame in adjacent two monocells and the negative plate sheet frame, seal by sealing ring.
Described membrane electrode assembly is comprised of two carbon felt sandwiched amberplexes, and described carbon felt is provided with many runners that equidistantly distribute for transmission electrolyte, and the material of described sheet frame is plastic material, comprises PP, PE and PVC.
Compared with prior art, the utlity model has following advantage:
1. arrange along the fluid passage is set all around at the bipolar plates sheet frame, its length can determine according to the conductance of electrolyte, thereby change the resistance of the path change electrolyte of flowing through of electrolyte by the length that changes the fluid passage, seal easily than at sheet frame S type runner being set, reduce and leak, make self discharge be reduced to minimum;
2. the sprue of fluid passage is arranged on bipolar plates sheet frame reverse side, and itself and positive fluid that participates in reaction are separated, can channelling, reduce self discharge;
3. built-in pipe is set in sprue, simple, effective as long as with the built-in pipe end seal, reduce and leak and self discharge.
Description of drawings
Fig. 1 is the all-vanadium flow battery schematic diagram;
Fig. 2 is positive plate sheet frame front schematic view;
Fig. 3 is positive plate sheet frame reverse side schematic diagram;
Fig. 4 is negative plate sheet frame front schematic view;
Fig. 5 is negative plate sheet frame reverse side schematic diagram;
Fig. 6 is the structural representation of monocell;
Fig. 7 is the schematic diagram of end plate;
Fig. 8 is the schematic diagram of liquid stream battery stack.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Embodiment 1
Shown in Fig. 2-8, a kind of electric pile structure that is difficult for the leakage fluid galvanic battery, superpose up and down and at two ends up and down the positive terminal pressing plate is set respectively by a plurality of liquid stream monocells, the negative pole end pressing plate forms, the pile housing is of a size of 805mm * 805mm, described liquid stream monocell comprises bipolar plates, and be folded in membrane electrode assembly between the bipolar plates, described bipolar plates comprises the battery lead plate that arranges in the inside casing of sheet frame and sheet frame, this bipolar plates sheet frame and inside casing thereof are square, the bipolar plates sheet frame is provided with fluid passing hole and fluid passage, described fluid passage comprises sprue and branch flow passage, described sprue arranges around the bipolar plates sheet frame, the one end connects fluid passing hole, and the other end connects branch flow passage, and branch flow passage is communicated with inside casing.
As shown in Figure 6, described bipolar plates sheet frame comprises positive plate sheet frame 1 and negative plate sheet frame 2, conductive plate is set in the inside casing of positive plate sheet frame 1 forms positive plate, graphite cake 3 is set in the negative plate sheet frame forms negative plate, be provided with membrane electrode assembly between positive plate and the negative plate and form monocell, described membrane electrode assembly is comprised of two blocks of carbon, 4 felt sandwiched amberplexes 5, and described carbon felt 4 is provided with many runners that equidistantly distribute for transmission electrolyte.
Shown in Fig. 2-3, described positive plate sheet frame 1 front arranges anodal branch flow passage 11, reverse side arranges anodal sprue 12, anodal branch flow passage 11 is comprised of a long straight trough a111 and a comb shape groove a112, described long straight trough a111 one end is communicated with anodal sprue 12, and by comb shape groove a112 connection inside casing, described anodal sprue 12 is the runner that arranges around the circulation of positive plate sheet frame 1 reverse side.Be arranged on the relative both sides of positive plate sheet frame 1 that anodal branch flow passage advances guiding gutter as electrolyte respectively and electrolyte goes out guiding gutter.Anode electrolyte flow to positive anodal branch flow passage 11 flow to the anodal sprue a121 of reverse side from the fluid inlet hole 13 of entrance point after again, flow into from long straight trough a111, flow to inside casing from comb shape groove a112 again, after the runner on the carbon felt of flowing through participates in reaction, flow to long straight trough b114 from the comb shape groove b114 of the port of export, then from the negative anodal sprue b122 flow to the fluid 14 rear outflows of portalling;
Shown in Fig. 4-5, described negative plate sheet frame shape is identical with the positive plate sheet frame, and the front arranges the negative pole branch flow passage, and reverse side arranges the negative pole sprue, negative pole electrolyte flow to positive negative pole branch flow passage flow to the negative pole sprue of reverse side from fluid passing hole after again, flows to inside casing from the negative pole branch flow passage.
Be provided with built-in pipe 6 in the negative pole sprue, built-in pipe 6 is the sealed plastic flexible pipe, is fixed in the negative pole sprue, and its import and export all are sealing adhesive on the negative plate sheet frame, and an end is connected with fluid passing hole, and the other end is connected with the fluid passage.
Described positive plate sheet frame 1 obverse and reverse is equipped with seal groove, is provided with sealing ring in the seal groove: sealing ring 15 and sealing ring 16 are pressed in respectively same membrane electrode assembly both sides sealing by corresponding sealing ring on sealing ring 15 and the negative plate sheet frame; Be pressed in respectively on the same graphite cake by corresponding sealing ring on sealing ring 16 and the negative plate between positive plate sheet frame in adjacent two monocells and the negative plate sheet frame and seal.
Monocell is layering, and at two ends end plate is set, and end plate is comprised of the conductive plate 8 of current-collecting panel 7 and coupling, then by the fastening composition liquid stream battery stack of fastening bolt, as shown in Figure 8.
Embodiment 2
The length of described sprue is according to the conductivity setting of electrolyte, sprue is along the setting of walking on one side of bipolar plates sheet frame, its length is bipolar plates sheet frame length on one side, positive plate sheet frame front arranges anodal branch flow passage and anodal sprue, described negative plate sheet frame front arranges negative pole branch flow passage and negative pole sprue, is equipped with built-in pipe in anodal sprue and the negative pole sprue.All the other are with embodiment 1.
Sprue is also along the polygon walking setting of bipolar plates sheet frame, such as three limits or circulate a week or week how, sprue and branch flow passage spaced out, and avoids channelling, can reduce self discharge.
Sprue and branch flow passage are separately positioned on positive plate sheet frame or negative plate sheet frame, also can well not reduce self discharge even built-in pipe is not set.
Sprue also can be arranged on branch flow passage top, and S-type setting arranges built-in pipe simultaneously in sprue, and electrolyte enters branch flow passage after the built-in pipe that seals flows through, also can significantly reduce self discharge.
Embodiment 3
In the same monocell, between positive plate sheet frame and the negative plate sheet frame membrane electrode assembly is set, in the adjacent single cells, the inside casing of positive plate sheet frame and its adjacent single cells negative plate sheet frame shares a conductive plate, then positive plate sheet frame and its adjacent single cells negative plate sheet frame are formed bipolar plates by the sealing ring pressing, in this bipolar plates: positive plate sheet frame front arranges anodal branch flow passage, described anodal branch flow passage shape is made of a strip straight trough and comb shape groove, and reverse side arranges anodal sow (channel) a and negative pole sow (channel) a; Negative plate sheet frame front arranges the negative pole branch flow passage, negative pole branch flow passage shape is made of a strip straight trough and comb shape groove, reverse side arranges anodal sow (channel) b and the negative pole sow (channel) b corresponding with positive plate sheet frame reverse side, the reverse side of positive plate sheet frame and negative plate sheet frame presses together and forms the bipolar plates sheet frame, the anodal sow (channel) a and the anodal sow (channel) b pressing that are arranged in its interlayer form anodal sprue, negative pole sow (channel) a and negative pole sow (channel) b pressing form the negative pole sprue, anode electrolyte flow to positive anodal branch flow passage again after fluid passing hole flow to anodal sprue the interlayer, enter inside casing from the anodal branch flow passage strip straight trough comb shape groove of flowing through, negative pole electrolyte flow to positive negative pole branch flow passage flow to the negative pole sprue of reverse side from fluid passing hole after again, enters inside casing from the strip straight trough of the negative pole branch flow passage comb shape groove of flowing through.
Claims (10)
1. electric pile structure that is difficult for the leakage fluid galvanic battery, comprise the positive terminal pressing plate, the negative pole end pressing plate, securing member, a plurality of liquid stream monocells superpose up and down and are fixedly installed between positive terminal pressing plate and the negative pole end pressing plate by securing member and form pile, described liquid stream monocell comprises bipolar plates, and be folded in membrane electrode assembly between the bipolar plates, described bipolar plates comprises the battery lead plate that arranges in the inside casing of sheet frame and sheet frame, bipolar plates sheet frame and inside casing thereof are square or rectangle, the bipolar plates sheet frame is provided with fluid passing hole and fluid passage, it is characterized in that, described fluid passage comprises sprue and branch flow passage, described sprue arranges around the bipolar plates sheet frame, the one end connects fluid passing hole, and the other end connects branch flow passage, and branch flow passage is communicated with inside casing.
2. a kind of electric pile structure that is difficult for the leakage fluid galvanic battery according to claim 1, it is characterized in that, the length of described sprue is according to the conductivity setting of electrolyte, sprue is along the setting of walking on one side of bipolar plates sheet frame, its length is bipolar plates sheet frame length on one side, or sprue is along the polygon walking setting of bipolar plates sheet frame, and its length is the polygon length sum of bipolar plates sheet frame, and perhaps sprue arranges along bipolar plates sheet frame periphery circulation walking.
3. a kind of electric pile structure that is difficult for the leakage fluid galvanic battery according to claim 1 is characterized in that, described branch flow passage comprises a long straight trough and a comb shape groove, and described long straight trough one end is communicated with sprue, and is communicated with inside casing by the comb shape groove.
4. a kind of electric pile structure that is difficult for the leakage fluid galvanic battery according to claim 1, it is characterized in that, described bipolar plates sheet frame is bonding or form by the sealing ring pressing by positive plate sheet frame and its adjacent single cells negative plate sheet frame, the inside casing of positive plate sheet frame and its adjacent single cells negative plate sheet frame shares a conductive plate and forms bipolar plates, is provided with membrane electrode assembly between the adjacent bipolar plates.
5. a kind of electric pile structure that is difficult for the leakage fluid galvanic battery according to claim 4, it is characterized in that, described positive plate sheet frame front arranges anodal branch flow passage, and reverse side arranges anodal sprue, and described anodal branch flow passage shape is made of a strip straight trough and comb shape groove; Described negative plate sheet frame shape and positive plate sheet frame roughly the same, the front arranges the negative pole branch flow passage, reverse side arranges the negative pole sprue, described negative pole branch flow passage shape is made of a strip straight trough and comb shape groove.
6. a kind of electric pile structure that is difficult for the leakage fluid galvanic battery according to claim 4 is characterized in that, described positive plate sheet frame front arranges anodal branch flow passage and anodal sprue, and described negative plate sheet frame front arranges negative pole branch flow passage and negative pole sprue.
7. a kind of electric pile structure that is difficult for the leakage fluid galvanic battery according to claim 4 is characterized in that, described positive plate sheet frame front arranges anodal branch flow passage, and reverse side arranges anodal sow (channel) a and negative pole sow (channel) a; Described negative plate sheet frame front arranges the negative pole branch flow passage, reverse side arranges anodal sow (channel) b and the negative pole sow (channel) b corresponding with positive plate sheet frame reverse side, the reverse side of positive plate sheet frame and negative plate sheet frame is bonding or press together the formation bipolar plates by sealing ring, be arranged in the anodal sow (channel) a of its interlayer and anodal sow (channel) b is bonding or pressing after form anodal sprue, formation negative pole sprue after the bonding or pressing of negative pole sow (channel) a and negative pole sow (channel) b.
8. according to claim 5 or 6 or 7 described a kind of electric pile structures that are difficult for the leakage fluid galvanic battery, it is characterized in that, be provided with built-in pipe in described anodal sprue and/or the negative pole sprue.
9. a kind of electric pile structure that is difficult for the leakage fluid galvanic battery according to claim 4, it is characterized in that, be respectively provided to a few seal groove on described positive plate sheet frame and the negative plate sheet frame and place sealing ring, in the same monocell, be pressed in respectively the amberplex both sides of same membrane electrode assembly between positive plate sheet frame and the negative plate sheet frame, seal by sealing ring; Be pressed in respectively on the same conductive plate between positive plate sheet frame in adjacent two monocells and the negative plate sheet frame, seal by sealing ring.
10. a kind of electric pile structure that is difficult for the leakage fluid galvanic battery according to claim 4, it is characterized in that, described membrane electrode assembly is comprised of two carbon felt sandwiched amberplexes, described carbon felt is provided with many runners that equidistantly distribute for transmission electrolyte, and the material of described sheet frame is plastic material.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103579641A (en) * | 2012-08-03 | 2014-02-12 | 上海神力科技有限公司 | Pile structure of flow battery |
| CN103647091A (en) * | 2013-12-06 | 2014-03-19 | 中国东方电气集团有限公司 | Bipolar plate component and flow battery |
| CN105742645A (en) * | 2014-12-08 | 2016-07-06 | 中国科学院大连化学物理研究所 | Electrode frame structure applicable to round electric pile of redox flow battery |
| CN111273182A (en) * | 2020-02-24 | 2020-06-12 | 山东科技大学 | Flow battery bipolar plate structure and method for measuring current distribution |
| CN111446465A (en) * | 2020-04-08 | 2020-07-24 | 承德新新钒钛储能科技有限公司 | Integrated plate frame and electric pile of flow battery |
-
2012
- 2012-08-03 CN CN2012203847497U patent/CN202888323U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103579641A (en) * | 2012-08-03 | 2014-02-12 | 上海神力科技有限公司 | Pile structure of flow battery |
| CN103579641B (en) * | 2012-08-03 | 2015-10-28 | 上海神力科技有限公司 | A kind of electric pile structure of flow battery |
| CN103647091A (en) * | 2013-12-06 | 2014-03-19 | 中国东方电气集团有限公司 | Bipolar plate component and flow battery |
| CN105742645A (en) * | 2014-12-08 | 2016-07-06 | 中国科学院大连化学物理研究所 | Electrode frame structure applicable to round electric pile of redox flow battery |
| CN105742645B (en) * | 2014-12-08 | 2018-10-26 | 中国科学院大连化学物理研究所 | A kind of electrode frame structure suitable for flow battery circle pile |
| CN111273182A (en) * | 2020-02-24 | 2020-06-12 | 山东科技大学 | Flow battery bipolar plate structure and method for measuring current distribution |
| CN111446465A (en) * | 2020-04-08 | 2020-07-24 | 承德新新钒钛储能科技有限公司 | Integrated plate frame and electric pile of flow battery |
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