CN106784954A - A kind of concentration cell - Google Patents
A kind of concentration cell Download PDFInfo
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- CN106784954A CN106784954A CN201710088005.8A CN201710088005A CN106784954A CN 106784954 A CN106784954 A CN 106784954A CN 201710088005 A CN201710088005 A CN 201710088005A CN 106784954 A CN106784954 A CN 106784954A
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- highly concentrated
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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
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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 present invention relates to a kind of TRT, it is more particularly to the ion concentration cell that a kind of high efficiency persistently generates electricity, including low concentration solution entrance, highly concentrated solution entrance, taphole, positive electrode, negative electrode, the solution interface that the highly concentrated solution of stabilization is in contact with low concentration solution, the advantage of generating efficiency simple structure high can be formed.
Description
Technical field
The present invention relates to a kind of TRT, a kind of ion concentration cell of high-efficiency continuous generating is more particularly to.
Background technology
Ion concentration cell is spread to low concentration solution using highly concentrated solution, due to the expansion of ion on diffusion interface
Dissipate speed difference and form electrical potential difference, prior art discloses a kind of concentration cell of sustainable generating, application number
201610316408.9, the concentration cell includes positive electrode, negative electrode, electrode cut-off, highly concentrated solution entrance, low concentration solution
Entrance, highly concentrated solution container, low concentration solution container, generate electricity after taphole, highly concentrated solution feed system and low dense
Degree solution feeding system, it has the disadvantage that constantly there are highly concentrated solution and low concentration solution, electrode cut-off in the electrode cut-off both sides
Also fully diffusion is not just discharged the highly concentrated solution and low concentration solution of both sides, and generating efficiency is low, in addition electrode cut-off both sides
Pressure be extremely difficult to it is completely the same, so being hardly formed solution circle that is contacted with low concentration solution of highly concentrated solution of stabilization
Face.
The content of the invention
In order to solve the above problems, it is contemplated that it is molten to realize that stable highly concentrated solution is in contact with low concentration solution
Liquid interface, more stable to continue efficient TRT, the present invention provides a kind of concentration cell, including positive electrode, negative electrode, highly concentrated
Degree solution inlet, low concentration solution entrance, taphole, it is characterised in that low concentration solution entrance is in highly concentrated solution entrance
Lower section, positive electrode and negative electricity interpolar have a solution pool, and built with solution, low concentration solution is from the low concentration solution for the solution pool
Entrance enter the solution pool, highly concentrated solution from the highly concentrated solution entrance enter the solution pool, highly concentrated solution with
The solution that low concentration solution is diffuseed to form is discharged from described taphole, low concentration solution fluid layer and highly concentrated solution fluid layer phase
Contact is non-intersect.
A kind of further described concentration cell, it is characterised in that the positive electricity being in contact with solution in the solution pool
Pole is not involved in reaction, and the negative electrode being in contact with solution in the solution pool is not involved in reaction.
Further described a kind of concentration cell, it is characterised in that the angle of low concentration solution fluid layer side is less than or equal to 90
Spend and be more than 0 degree, the angle of highly concentrated solution fluid layer side is less than 180 degree more than or equal to 90 degree.
A kind of further described concentration cell, it is characterised in that the line of any two points on the electrode contact surface
Entirely fall on this electrode contact surface.
Further described a kind of concentration cell, it is characterised in that have depression on the electrode contact surface.
Further described a kind of concentration cell, it is characterised in that described positive and negative electrode is cascaded.
Further described a kind of concentration cell, it is characterised in that the low concentration solution entrance top has at least one
Taphole, while there is at least one taphole highly concentrated solution entrance lower section.A kind of further described concentration difference
Battery, it is characterised in that the low concentration solution entrance abuts the electrode being in contact with the low concentration solution fluid layer, the height
Strength solution entrance abuts the electrode being in contact with the highly concentrated solution fluid layer.
Beneficial effects of the present invention:Ramped up using low concentration solution density is small, form the low concentration solution fluid layer of stabilization,
Highly concentrated solution density is big, to decline, the highly concentrated solution fluid layer of stabilization is formed, so as to form highly concentrated solution and low concentration
The solution interface of the stabilization that solution is in contact, forms the electrical potential difference of stabilization, and highly concentrated solution makes full use of with low concentration solution, is
It is a kind of more to continue efficient TRT, and simple structure advantage.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of concentration cell first embodiment.
Fig. 2 is a kind of schematic diagram of concentration cell second embodiment.
Fig. 3 is a kind of schematic diagram of the implementation method of concentration cell the 3rd.
Fig. 4 is a kind of schematic diagram of the implementation method of concentration cell the 4th.
Fig. 5 is the schematic diagram that highly concentrated solution fluid layer intersects with low concentration solution fluid layer.
Fig. 6 is the schematic diagram that highly concentrated solution fluid layer intersects with low concentration solution fluid layer.
Fig. 7 is placed on the schematic diagram in the plane of horizontal positioned for electrode.
Fig. 8 is the schematic diagram of the plane with the angle of horizontal plane of electrode contact surface contact.
Fig. 9 is by the sectional drawing of the electrode being recessed.
Figure 10 is by the sectional drawing of the electrode being recessed.
Referring to Fig. 1-10,1- electrodes, 2- tapholes, 3- low concentration solution liquid levels, the liquid level of 4- tapholes, 5- is high
Strength solution liquid level, 6- low concentration solution entrances, 7- highly concentrated solution entrances, 8- low concentration solution fluid layers, 9- highly concentrated solutions
Fluid layer, 10- electrodes, 11- electrodes, 12- electrodes, 13- highly concentrated solution entrances, 14- low concentration solution entrances, 15- low concentrations are molten
Liquid fluid layer, 16- highly concentrated solution fluid layers, 17- tapholes, 18- tapholes, 19- low concentration solution fluid layers, 20- electrodes connect
Contacting surface, 21- tapholes, 22- highly concentrated solution fluid layers, 23- electrode contact surfaces, 24- electrodes, 25- highly concentrated solution entrances,
26- low concentration solution entrances, 27- electrodes, 28- electrodes, 29- electrodes, 30- electrodes, 31- electrodes, 32- low concentration solution entrances,
33- low concentration solution entrances, 34- low concentration solution entrances, 35- highly concentrated solution entrances, 36- highly concentrated solution entrances, 37- is high
Strength solution entrance, 38- tapholes, 39- tapholes, 40 tapholes, 41- electrodes, 42- planes, 43- electrode contacts
Face, 44- horizontal planes, 45- electrode contact surfaces, 46- depressions, 47- depressions, 48- electrode contact surfaces, 49- depressions, 50- depressions.
Specific embodiment
A kind of concentration cell of the invention also includes detailed description below 1-4, and wherein electrode is divided into positive and negative electrode,
Main to be determined by the property of solution and the dispersal direction of ion positive and negative, solution pool refers to the space between two positive and negative electrodes, molten
Liquid pool is referred to as electrode contact surface built with solution, the contact surface of the solution in electrode and solution pool, and the concentration of highly concentrated solution is most
Up to its saturated concentration, the concentration minimum zero of low concentration solution, the concentration of solution refers to be dissolved in electrolyte therein many
Few, the present invention is to be more than the density of low concentration solution using the density of highly concentrated solution, and forms low concentration solution and ramp up shape
Into low concentration solution fluid layer, highly concentrated solution density is big to form highly concentrated solution fluid layer to decline, highly concentrated solution fluid layer and low
Strength solution fluid layer is between positive electrode and negative electrode, so low concentration solution entrance is in the lower section of highly concentrated solution entrance, it is low
When rising, highly concentrated solution constantly diffuses to form highly concentrated solution and low concentration solution to strength solution to low concentration solution fluid layer
The solution of mixing, highly concentrated solution constantly spreads during decline to low concentration solution, and it is dense with low to form highly concentrated solution
The solution of degree solution mixing, taphole is located at the top of low concentration solution entrance and ensures highly concentrated solution through highly concentrated solution
Entrance not directly from the taphole discharge this refers to the highly concentrated solution not to low concentration solution diffusion just directly from
Taphole is discharged, or highly concentrated solution outlet lower section and ensure low concentration solution through low concentration solution entrance not directly from molten
Liquid outlet discharge is not just discharged directly to highly concentrated solution diffusion this refers to the low concentration solution from taphole, it is also possible to
Having below at least one taphole and highly concentrated solution entrance in low concentration solution entrance top simultaneously has at least one solution
Outlet, the solution that highly concentrated solution mixes with low concentration solution is discharged from taphole, and highly concentrated solution fluid layer and low concentration are molten
The thin and thick width of liquid fluid layer is influenceed by the shape of low concentration solution entrance and highly concentrated solution entrance, is preferably designed as rectangular
Shape, highly concentrated solution fluid layer and low concentration solution fluid layer in described solution pool are in contact to form liquid potential, there is two electricity
Pole exports, and highly concentrated solution fluid layer and low concentration solution fluid layer mutually disjoint, if intersecting such as Fig. 5-6, Fig. 5 Fig. 6 solid lines are
Highly concentrated solution fluid layer dotted line is low concentration solution fluid layer, when highly concentrated solution fluid layer and low concentration solution fluid layer intersect each other just
The solution interface that the highly concentrated solution fluid layer and low concentration solution fluid layer of stabilization are in contact is not become, described in when the present invention generates electricity
There is chemical reaction such as lead in the electrode that the electrode in solution in solution pool is not involved in reacting in not receiving and losing electrons or the solution
Sour battery.The contact surface of the solution in the electrode and solution pool has two kinds of situations；A kind of is appointing on the electrode contact surface
Anticipate 2 points line entirely fall on this electrode contact surface, i.e., electrode contact surface be plane, the definition of plane is such a face,
The line of any two points entirely falls on this face on face；A kind of two-dimentional zero curvature extension, it is in any friendship with its similar face
Line is straight line, and plane is alternatively in space, and to 2 points of tracks apart from identical point, another situation is described electricity
By being recessed on the contact surface of pole, such as Fig. 9 Figure 10, Fig. 9 Figure 10 are the sectional drawing of electrode, by depression 46 and recessed on electrode contact surface 45
47 are fallen into, there is depression 49 and depression 50 on electrode contact surface 48, depression means surrounding higher than centre, following 3rd implementation methods
Middle angle ∠ a or ∠ b is the angle that the electrode contact surface is formed with horizontal plane, if electrode contact surface is by being recessed, then ∠ a
Or the angle that the plane that ∠ b are the electrode contact surface contact is formed with horizontal plane, the plane that described electrode contact surface is contacted
It is that electrode contact faces down to be placed in a plane for horizontal positioned, the point that the electrode contact surface the is protruded level that falls herein is put
In the plane put, due to Action of Gravity Field, after its stabilization, the plane of this horizontal positioned is the flat of the electrode contact surface contact
Face, the electrode contact surface position that the plane of this horizontal positioned is relatively described is motionless, and the electrode is erected, and described electrode connects
The angle that the plane of contacting surface contact is formed with horizontal plane is exactly ∠ a or ∠ b, for example, electrode 41 in Fig. 7, plane 42 is water
Placing flat, the electrode contact surface 43 of electrode 41 is placed in the plane 42 of horizontal positioned down, the point of the protrusion of electrode contact surface 43
Fall in plane 42, due to Action of Gravity Field, after its stabilization, plane 42 is the plane of the contact of electrode contact surface 43, and plane 42 is relative
The position of electrode contact surface 43 is motionless, and electrode 41 is erected, and the angle ∠ c that such as Fig. 8 planes 42 are formed with horizontal plane 44 are exactly electrode
The angle that the plane 42 of 41 contact of electrode contact surface 43 is formed with horizontal plane 44, low concentration solution entrance, highly concentrated solution enter
Mouthful, taphole reasonable designed openings shape as the case may be.
A kind of concentration cell of first embodiment, such as Fig. 1 includes that electrode 1, electrode 10, taphole 2, low concentration solution enter
Mouthfuls 6, highly concentrated solution entrance 7, in electrode 1 and electrode 10 one be positive electrode another be negative electrode, electrode 1 and electrode 10 it
Between solution pool be equipped with high/low strength solution, low concentration solution from low concentration solution entrance 6 enter the solution pool, due to low
Strength solution ramps up to form low concentration solution fluid layer 8, and highly concentrated solution enters the solution pool by highly concentrated solution entrance 7,
Highly concentrated solution forms highly concentrated solution fluid layer 9 to decline, and highly concentrated solution fluid layer is contacting one another with low concentration solution fluid layer
It is non-intersect, potential is formed on highly concentrated solution fluid layer and the contact interface of low concentration solution fluid layer, it is external by electrode 10 and electrode 1
Output, highly concentrated solution is discharged with the low concentration solution mixed solution of phase counterdiffusion from taphole 2, due to low concentration solution
Density it is small thus low concentration solution liquid level 3 be higher than highly concentrated solution liquid level 5, low concentration solution is entered solution pool, high concentration is molten
Liquid and the mixed liquid level of solution 3 of low concentration solution phase counterdiffusion.
Second embodiment, such as Fig. 2, a kind of concentration cell include electrode 11, electrode 12, taphole 18, taphole
17th, highly concentrated solution entrance 13, low concentration solution entrance 14, low concentration solution enter the He of electrode 11 from low concentration solution entrance 14
Solution pool between electrode 12 forms low concentration solution fluid layer 15, and highly concentrated solution enters described molten from highly concentrated solution entrance 13
Liquid pool, and highly concentrated solution fluid layer 16 is formed, the not phase contacting one another with highly concentrated solution fluid layer 16 of low concentration solution fluid layer 15
Hand over, form potential and externally exported by electrode 11 and electrode 12, another is negative electrode, highly concentrated solution for positive electrode for one of them
Discharged from taphole 18 and taphole 17 with the mixed solution of low concentration solution phase counterdiffusion.
A kind of concentration cell of 3rd implementation method, such as Fig. 3 includes electrode 27, electrode 24, taphole 21, low concentration solution
Entrance 26, highly concentrated solution entrance 25, low concentration solution enter molten between electrode 27 and electrode 24 from low concentration solution entrance 26
Liquid pool, forms low concentration solution fluid layer 19, highly concentrated solution and enters the solution pool from highly concentrated solution entrance 25, is formed highly concentrated
Degree solution fluid layer 22, the solution that low concentration solution is constantly mutually diffuseed to form with highly concentrated solution is discharged from taphole 21, electricity
0 degree of angle ∠ a, 90 degree >=∠ a ＞ that the electrode contact surface 20 that pole 27 is in contact with low concentration solution is formed with horizontal plane, it is highly concentrated
Angle ∠ b, 90 degree≤∠ the b ＜ 180 degrees that the electrode contact surface 23 and horizontal plane that degree solution is contacted with electrode 24 are formed, high concentration
Solution fluid layer is contacting one another with low concentration solution fluid layer non-intersect, and low concentration solution entrance 26 can preferably abut electrode
27, the surface of electrode 27 is formed low concentration solution fluid layer, highly concentrated solution entrance 25 can also preferably abut electrode 24, make electricity
The surface of pole 24 forms highly concentrated solution fluid layer, and the ∠ a are the angle of low concentration solution fluid layer side, low concentration solution fluid layer side
Angle refers to that the angle i.e. described low concentrations of such as ∠ a that the electrode contact surface of low concentration solution fluid layer side and horizontal plane are formed are molten
Angle between liquid fluid layer and the electrode contact surface being in contact with low concentration solution fluid layer, the ∠ b are highly concentrated solution
The angle of fluid layer side, the angle of highly concentrated solution fluid layer side refers to the electrode contact surface and water of highly concentrated solution fluid layer side
The angle such as ∠ b that plane is formed be the highly concentrated solution fluid layer and the electrode contact surface being in contact with highly concentrated solution it
Between angle.
A kind of concentration cell of 4th implementation method, such as Fig. 4, by multiple electrodes be cascaded including electrode 28, electrode 29,
Electrode 30, electrode 31, low concentration solution entrance 32, low concentration solution entrance 33, low concentration solution entrance 34, highly concentrated solution enter
Mouth 35, highly concentrated solution entrance 36, highly concentrated solution entrance 37, taphole 38, taphole 39, taphole 40 are low dense
Degree solution enters the solution pool from low concentration solution entrance 32, low concentration solution entrance 33, low concentration solution entrance 34, highly concentrated
Degree solution enters the solution pool from highly concentrated solution entrance 35, highly concentrated solution entrance 36, highly concentrated solution entrance 37, low dense
The solution that is constantly mutually diffuseed to form with highly concentrated solution of degree solution is from taphole 38, taphole 39, the row of taphole 40
Go out, the voltage for externally exporting is that the potential of each electrode is superimposed.
Although the present invention is been described by by as above better embodiment, technology according to the present invention scheme can also have
Many variations, the attached right after the change made on the premise of not departing from spirit of the invention all should belong to the present invention with deformation
Claimed scope.
Claims (8)
1. a kind of concentration cell, including positive electrode, negative electrode, highly concentrated solution entrance, low concentration solution entrance, taphole,
It is characterized in that low concentration solution entrance is in the lower section of highly concentrated solution entrance, positive electrode has solution pool with negative electricity interpolar, described
Built with solution, low concentration solution enters the solution pool to solution pool from the low concentration solution entrance, and highly concentrated solution is from institute
Highly concentrated solution entrance is stated into the solution pool, the solution that highly concentrated solution and low concentration solution are diffuseed to form is from described molten
Liquid outlet discharge, low concentration solution fluid layer is in contact non-intersect with highly concentrated solution fluid layer.
2. a kind of concentration cell according to claim 1, it is characterised in that be in contact with solution in the solution pool
Positive electrode is not involved in reaction, and the negative electrode being in contact with solution in the solution pool is not involved in reaction.
3. a kind of concentration cell according to claim 1-2, it is characterised in that the angle of low concentration solution fluid layer side is less than
It is more than 0 degree equal to 90 degree, the angle of highly concentrated solution fluid layer side is less than 180 degree more than or equal to 90 degree.
4. a kind of concentration cell according to claim 1-3, it is characterised in that any two points on the electrode contact surface
Line entirely fall on this electrode contact surface.
5. a kind of concentration cell according to claim 1-3, it is characterised in that have depression on the electrode contact surface.
6. a kind of concentration cell according to claim 1-5, it is characterised in that described positive and negative electrode is cascaded.
7. a kind of concentration cell according to claim 1-6, it is characterised in that the low concentration solution entrance top have to
A few taphole, while there is at least one taphole highly concentrated solution entrance lower section.
8. a kind of concentration cell according to claim 1-7, it is characterised in that the low concentration solution entrance is abutted and institute
The electrode that low concentration solution fluid layer is in contact is stated, the highly concentrated solution entrance is abutted and is in contact with the highly concentrated solution fluid layer
Electrode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710088005.8A CN106784954A (en) | 2017-02-19 | 2017-02-19 | A kind of concentration cell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710088005.8A CN106784954A (en) | 2017-02-19 | 2017-02-19 | A kind of concentration cell |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109411834A (en) * | 2018-10-22 | 2019-03-01 | 五邑大学 | A kind of diffusion battery based on concentration difference |
| CN110835188A (en) * | 2019-11-07 | 2020-02-25 | 江苏科技大学 | Seawater desalination system with energy recovery device and concentration cell power generation device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102034989A (en) * | 2009-09-25 | 2011-04-27 | 中国人民解放军63971部队 | Uninterrupted chemical battery |
| CN105870486A (en) * | 2016-05-12 | 2016-08-17 | 肖远科 | Concentration cell capable of continuously generating electricity |
-
2017
- 2017-02-19 CN CN201710088005.8A patent/CN106784954A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102034989A (en) * | 2009-09-25 | 2011-04-27 | 中国人民解放军63971部队 | Uninterrupted chemical battery |
| CN105870486A (en) * | 2016-05-12 | 2016-08-17 | 肖远科 | Concentration cell capable of continuously generating electricity |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109411834A (en) * | 2018-10-22 | 2019-03-01 | 五邑大学 | A kind of diffusion battery based on concentration difference |
| CN110835188A (en) * | 2019-11-07 | 2020-02-25 | 江苏科技大学 | Seawater desalination system with energy recovery device and concentration cell power generation device |
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