CN105870486A - Concentration cell capable of continuously generating electricity - Google Patents
Concentration cell capable of continuously generating electricity Download PDFInfo
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- CN105870486A CN105870486A CN201610316408.9A CN201610316408A CN105870486A CN 105870486 A CN105870486 A CN 105870486A CN 201610316408 A CN201610316408 A CN 201610316408A CN 105870486 A CN105870486 A CN 105870486A
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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 invention discloses a concentration cell capable of continuously generating electricity. The concentration cell capable of continuously generating electricity comprises a positive electrode, a negative electrode, an electrode partition, a high-concentration solution inlet, a low-concentration solution inlet, a high-concentration solution container, a low-concentration solution container, an electricity-generated solution outlet, a high-concentration solution supplying system and a low-concentration solution supplying system, wherein the electrode partition is clamped between the positive electrode and the negative electrode; solution channels are reserved between the electrode partition and the electrodes; the high-concentration solution inlet is correspondingly communicated with a high-concentration solution channel; the low-concentration solution inlet is correspondingly communicated with a low-concentration solution channel; solutions in the low-concentration solution container and the high-concentration solution container respectively flow into the low-concentration solution inlet and the high-concentration solution inlet; a high-concentration solution flows through the high-concentration solution channel from one side of the electrode partition; a concentration solution flows through the low-concentration solution channel from the other side of the electrode partition. Electricity-generated solutions are constantly discharged from the outlet, and an output voltage is generated between the positive electrode and the negative electrode.
Description
Technical field
The present invention relates to a kind of TRT, relate more specifically to the concentration cell of a kind of sustainable generating.
Background technology
Lithium battery is the main energy storage mode of current power automobile, but due to current lithium battery skill
The shortcomings such as it is low that art there is also stored energy capacitance, and cost is high, charging interval length, so current electronic vapour
Car there is also the deficiencies such as short, the charging interval length of distance travelled.
Hydrogen fuel cell, using hydrogen as fuel, electrochemically reacts with oxygen, with electricity
Form output energy, product only has water.This battery has energy-efficient, environmental protection
Advantage, be electric automobile ideal capacity source.But hydrogen fuel cell is relatively costly, the heaviest
That wants is the production of hydrogen, transports, stores and inconvenient, invests huge, so being difficult to form business
Industry.
All-vanadium flow battery, full name is vanadium redox battery, be a kind of active substance in
Circulate the redox energy storage cell of liquid.The vanadium electrolyte solution of different valence state is stored respectively in
In different containers, circulated through the both sides that electrode cuts off respectively by circulating pump, exchange at ion
Film both sides produce electric potential difference.During output electric energy, the vanadium ion of lower valency loses electronics by external circuit
Being oxidized to the ion of middle valence state, the vanadium ion of high-valence state obtains electronics by external circuit and is reduced
Valence state ion in the middle of becoming, hydrion is then cut off by electrode.During charging, middle valence state ion is respectively
Oxidized it is reduced to high-valence state and lower valency ion.The inferior position of all-vanadium flow battery is at present: 1. mesh
The operating temperature range of front international most advanced level is 5 DEG C to 45 DEG C, too high or too low for temperature is required for
Regulation;2. graphite electrode plate to be etched by positive pole liquid, if user operation is improper, once charges with regard to energy
Allowing graphite cake etch completely, pile can only be scrapped;Under normal usage, every two months just
Will be carried out full maintenance by professional person, the maintenance of this high frequency time is expensive, laborious;3. vanadium cell becomes
This is too high;4. the positive pole liquid of preparation electrolyte is used raw material, positive pole precipitation and leakage is through air-drying
The thin layer of rear formation has vanadic anhydride, belongs to severe poisonous chemicals.
Concentration cell is that the characteristic utilizing and producing concentration potential between two kinds of variable concentrations solution is constituted
Energy conversion device.According to electrochemical principle, between the solution of variable concentrations, there is concentration potential,
Possesses the ability of output electric energy.According to Nernst equation, concentration cell battery output electromotive force formula
For:
Wherein, R be gas constant 8.31441J/ (K*mol), T be temperature K, F is that faraday is normal
Number 96.487KJ/ (V*mol), a1、a2It is respectively the activity of two kinds of variable concentrations effects of ion, and
The concentration changing solution can change its activity.Based on such characteristic, concentration cell has output
The ability of electric energy.
As it is shown in figure 1, existing concentration cell is formed by following manner: cut off isolation with electrode
The solution of high-concentration and low-concentration, and output electrode is inserted respectively in its both sides.During output electric energy, high concentration side
Solion, under the promotion of Concentraton gradient, is cut off by electrode and is diffused into low concentration side, and finally make two
The concentration of side solution reaches balance and loses the ability of output electric energy.Therefore, the holding of existing concentration cell
Continuous power is poor, and concentration difference electromotive force is relatively low, and generating capacity is extremely limited, only has conceptual sense.In view of
This, need badly and a kind of can persistently generate electricity, produce high voltage and/or the concentration cell of higher output energy rate.
It addition, also need a kind of device that can persistently provide hydrogen for hydrogen fuel cell badly.
Summary of the invention
For solving above technical problem, the present inventor has invented the concentration cell of a kind of sustainable generating,
Described battery can by storage concentration difference solution in the way of energy storage, using highly concentrated solution as ergastic substances,
Make high/low strength solution continue to flow through inside concentration cell by high/low strength solution feed system, protect
Hold the lasting fan-out capability of concentration cell, thus realize persistently generating electricity.Additionally, it is highly concentrated by adjusting
The ratio of the concentration of degree solution and low concentration solution, the concentration cell of the present invention can produce relatively
High voltage and/or higher output energy rate.Again, by high/low strength solution and electrode material are carried out
Selecting, it is to be supplied to hydrogen fuel cell or permissible that the concentration cell of the present invention can produce hydrogen
Energy-storage battery is constituted by being reduced material and being attached to electrode surface.
One aspect of the present invention relates to the concentration cell of a kind of sustainable generating, it include anelectrode,
Negative electrode, electrode partition, highly concentrated solution entrance, low concentration solution entrance, highly concentrated solution hold
Taphole after device, low concentration solution container, generating, highly concentrated solution feed system and low dense
Degree solution feeding system, is characterized in that, described electrode partition is clipped in described anelectrode and described negative electricity
Extremely in the middle of and and described anelectrode and described negative electrode between be all reserved with solution channel;Described highly concentrated
Degree solution inlet connection highly concentrated solution passage, described low concentration solution entrance connection low concentration solution
Passage, described highly concentrated solution passage and described low concentration solution passage are cut off segmentation by described electrode
Cut off both sides at described electrode, supply at described highly concentrated solution feed system and described low concentration solution
Ordering about down to system, it is molten that the highly concentrated solution in described highly concentrated solution container flows into described high concentration
Liquid entrance, the low concentration solution in described low concentration solution container flows into described low concentration solution entrance;
The described highly concentrated solution passage that highly concentrated solution cuts off side from described electrode flows through, and low concentration is molten
The described low concentration solution passage that liquid cuts off opposite side from described electrode flows through;Solution after generating from
Taphole after described generating is constantly discharged, and produces between described anelectrode and described negative electrode
Output voltage.
In this application, the anelectrode addressed is proximate to the electrode of cation concentration zones, is addressed
Negative electrode is proximate to the electrode of anion concentration zones.
In one embodiment, the electrode of the concentration cell of described sustainable generating cuts off is that permission is molten
The insulant thin layer that ion in liquid passes through.In another embodiment, described electrode cuts off
It is the ion-selective membrane only allowing single conductance ion to pass through, such as, only allows cation to pass through
Cation selective membrane, or the anion selective membrane that only permission anion is passed through.
In one embodiment, the solution channel of the concentration cell of described sustainable generating by described just
The a plurality of raceway groove arranged on electrode and described negative electrode surface is constituted.
In a preferred embodiment, there is friendship between the solution channel of described electrode partition both sides
Fork angle.The described angle of the crossing between such as 1-90 degree, as 10 degree, 20 degree, 30 degree, 40 degree,
50 degree, 60 degree, 70 degree, 80 degree, 90 degree, preferably 90 degree.Formed angle purpose be in order to
Increase the space between solution inlet port end highly concentrated solution input interface and low concentration solution input interface
Distance, realize to greatest extent highly concentrated solution input interface and low concentration solution input interface point
From, it is simple to realize.
In one embodiment, in the presence of having generation current, described positive electrode surface polarizes
Reaction, generates hydrogen, generates oxygen optionally together.Preferably, described highly concentrated solution and/or
Described low concentration solution can be sodium salt such as sodium sulfate, sodium nitrate, ammonium salt such as ammonium sulfate, ammonium nitrate,
Or potassium salt such as potassium sulfate, potassium nitrate.Thus, the concentration cell of the sustainable generating of the present invention can
As the offer device of fuel cell hydrogen and/or oxygen while exporting electric energy in realization.
In another embodiment, in the presence of having generation current, there is pole in described positive electrode surface
Changing reaction, the cation in solution is reduced in described positive electrode surface, and the thing after being reduced
Matter is attached to described positive electrode surface, constitutes chemical cell.Preferably, described positive electricity extremely lead electricity
Pole, described highly concentrated solution and/or described low concentration solution are sulphuric acid;Or described positive electricity extremely lithium
Electrode, described highly concentrated solution and/or described low concentration solution are cobalt acid lithium or lithium phosphate.Thus,
The concentration cell of the sustainable generating of the present invention can generate chemistry storage while realizing output electric energy
Energy battery, and it is embodied as the charging of this chemical energy storage battery.
In one embodiment, highly concentrated solution dense used in the concentration cell of sustainable generating
Degree up to its saturated concentration, and the concentration minimum zero of described low concentration solution.
In one embodiment, the concentration cell of described sustainable generating can form series connection pile.
Now, the both positive and negative polarity of adjacent two concentration cells combines, the electrode both sides after this merging
Being provided with a plurality of raceway groove on surface, described a plurality of raceway groove constitutes described solution channel.
In a preferred embodiment, deposit between the solution channel of the electrode both sides after described merging
At intersecting angle.The described angle of the crossing between such as 1-90 degree, as 10 degree, 20 degree, 30 degree,
40 degree, 50 degree, 60 degree, 70 degree, 80 degree, 90 degree, preferably 90 degree.Form the mesh of angle
Be in order to increase solution inlet port end highly concentrated solution input interface and low concentration solution input interface it
Between space length, realize to greatest extent highly concentrated solution input interface and low concentration solution input
The separation of interface, it is simple to realize.
In one embodiment, the taphole after its generating of the concentration cell of sustainable generating is two
Individual separate channel attached with described highly concentrated solution passage and described low concentration solution respectively
Export or combine connects described highly concentrated solution passage and described low concentration solution passage
Outlet together.
A second aspect of the present invention relates to a kind of hydrogen fuel cell, and it comprises described in first aspect present invention
The concentration cell of sustainable generating.
A third aspect of the present invention relates to a kind of electric automobile, and it comprises described in first aspect present invention
The concentration cell of sustainable generating.
First, the concentration cell of the sustainable generating of the present invention can realize persistently generating electricity.Secondly, originally
The concentration cell of invention can produce high voltage and/or high output energy rate.Again, the concentration difference of the present invention
Battery can produce can the hydrogen that uses of hydrogen supply dye cell and optional oxygen, or can pass through
It is reduced material to be attached to electrode surface thus constitute energy-storage battery.Based on this, the present invention holds
The concentration cell of supervention electricity can be the generator unit as electric automobile, molten by filling high concentration
The mode energy storage continuation of the journey of liquid, solves the short problem with charging interval length of course continuation mileage of electric automobile.
It addition, the concentration cell of the sustainable generating of the present invention can also be as distributed generation unit conduct
Family, community, unit, factory, the power supply of big equipment.The concentration difference of the sustainable generating of the present invention
Battery not only environmental protection, and energy-efficient, belong to the new TRT of energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of existing concentration cell.
Fig. 2 is the concentration cell schematic diagram of the sustainable generating of the present invention.
Fig. 3 is the principle of a specific embodiments of the concentration cell of the sustainable generating of the present invention
Figure.
Fig. 4 is the schematic diagram of a kind of electrode structure of the present invention.
Fig. 5 is the schematic diagram of a kind of electrode mounting structure of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is further explained.It should be understood that herein below merely for
The purpose of example, it is not intended that by any way protection scope of the present invention is limited.The present invention
Protection domain determine according to following claims.
The present invention relates to the concentration cell of a kind of sustainable generating, it includes anelectrode, negative electrode, electricity
Pole partition, highly concentrated solution entrance, low concentration solution entrance, highly concentrated solution container, low concentration
Taphole, highly concentrated solution feed system and low concentration solution supply after solution container, generating
System, is characterized in that, described electrode cut off be clipped in the middle of described anelectrode and described negative electrode and with
Solution channel all it is reserved with between described anelectrode and described negative electrode;Described highly concentrated solution entrance
Connection highly concentrated solution passage, described low concentration solution entrance connection low concentration solution passage, described
Highly concentrated solution passage and described low concentration solution passage are segmented in described electrode by described electrode partition
Cut off both sides, order about at described highly concentrated solution feed system and described low concentration solution feed system
Under, the highly concentrated solution in described highly concentrated solution container flows into described highly concentrated solution entrance, institute
State the low concentration solution in low concentration solution container and flow into described low concentration solution entrance;High concentration is molten
The described highly concentrated solution passage that liquid cuts off side from described electrode flows through, and low concentration solution is from described
Electrode cuts off the described low concentration solution passage of opposite side and flows through;Solution after generating is from described generating
After taphole constantly discharge, between described anelectrode and described negative electrode produce output voltage.
Referring to Fig. 2, the present invention is specifically addressed.
Fig. 2 illustrates a detailed description of the invention of the concentration cell of the sustainable generating of the present invention.Should
Concentration cell comprises electrode 1 and 2 and be clamped in the electrode in the middle of electrode 1 and 2 and cut off 3.Electrode
All leaving passage between 1 and 2 and electrode partition 3, it is that low concentration is molten that electrode cuts off the left channel of 3
Liquid passage, it is highly concentrated solution passage that electrode cuts off the passage on the right side of in the of 3, thus constitutes concentration difference electricity
Pool structure.
Container 6 storage has high concentration (CH) solution, container 7 storage has low concentration (CL) solution
(CH>CL), highly concentrated solution and low concentration solution are respectively by highly concentrated solution supply pump 4 and low
Strength solution supply pump 5 enters highly concentrated solution passage and the low concentration solution passage of concentration cell.
Highly concentrated solution and low concentration solution are respectively from highly concentrated solution passage and low concentration solution channel bottom
Flow through whole passage, finally flow out from channel roof.Discharge liquid finally to be discharged by high concentration side respectively
Liquid memorizer 8 and low concentration side are discharged liquid memorizer 9 and are collected.
Obviously, electrode cuts off the solution of 3 both sides and there is concentration difference all the time.According to Electrochemistry Knowledge,
Concentration difference electromotive force will be produced between concentration difference solution, therefore output voltage will be had to produce between electrode 1 and 2
Raw, connect load and just can export electric energy.
As long as also storage has solution in container 6 and container 7, highly concentrated solution supply pump 4 and low dense
Spend molten fluid supply pump 5 it is ensured that constant in highly concentrated solution passage and low concentration solution passage
Ground has highly concentrated solution and low concentration solution to flow through, and just has continual between electrode 1 and 2
Output voltage produces.
The invention still further relates to the concentration cell of the sustainable generating of series connection pile form.For series electrical
During heap form, the both positive and negative polarity of adjacent two concentration cells combines, the electrode two after this merging
Being provided with a plurality of raceway groove on the surface of side, described a plurality of raceway groove constitutes described solution channel.Preferably,
Intersecting angle is there is between the described solution channel of the electrode both sides after this merging.
Referring to Fig. 3, the concentration cell of the sustainable generating of above-mentioned series connection pile form is carried out
Explaination further.
Fig. 3 illustrates the pile being composed in series by two basic concentration cell unit.1,2,10 are
Graphite electrode, being clipped in the middle of graphite electrode is cation selective membrane 3 '.Graphite electrode 1,2,10
And between cation selective membrane 3 ', leaving passage, the passage in cation selective membrane 3 ' left side is low concentration
Solution channel;The solution channel on cation selective membrane 3 ' right side is highly concentrated solution passage.
Container 6 storage has high concentration (CH) ammonium nitrate (NH4NO3) solution, container 7 stores
There is low concentration (CL) ammonium nitrate (NH4NO3) solution (CH>CL), high concentration and low concentration
Ammonium nitrate (NH4NO3) solution respectively by molten fluid supply pump 4 and 5 enter concentration cell height
Strength solution passage and low concentration solution passage.Ammonium nitrate (the NH of high concentration and low concentration4NO3)
Solution flows through whole passage from high concentration and low concentration solution channel bottom respectively, finally from passage top
Portion flows out.Discharge liquid final respectively by high concentration side discharge liquid memorizer 8 and low concentration side discharge liquid
Memorizer 9 is collected.
Obviously, the ammonium nitrate (NH of cation selective membrane 3 ' both sides4NO3) solution exists concentration all the time
Difference.According to existing knowledge, the solute of high concentration side will produce the trend to the diffusion of low concentration side,
If do not cut off between high-concentration and low-concentration solution, the solute of high concentration side will produce to low concentration side
Diffusion, until no longer spreading during both sides concentration consistent (concentration difference is zero).
Cation selective membrane is a kind of the ion-selective membrane allowing cation to pass through.Due to cation
The existence of selective membrane, the ion of highly concentrated solution side (includes ammonium cation radical ion (NH4 +) and
Anion nitrate ion (NO3 -)) in, only cation ammonia radical ion (NH4 +) can pass
Cation selective membrane is diffused into low concentration solution side.Along with the carrying out of diffusion, certainly will be in cation
Selective membrane both sides assemble ammonium radical ion (NH respectively4 +) and nitrate ion (NO3 -), and produce
Electrostatic field.This electrostatic field is to ammonium radical ion (NH4 +) effect just with concentration difference diffusion become
Gesture is to ammonium radical ion (NH4 +) active force contrary, namely this electrostatic field will stop ammonium root from
Son (NH4 +) further diffusion.Along with the continuation of diffusion, electrostatic field will increase, ultimately result in
Diffusion balance, no longer spreads, and the most above-mentioned electrostatic field produces in cation selective membrane both sides
Electric potential difference reaches maximum, and highly concentrated solution side is negative, and low concentration solution side is just.This is
Big electric potential difference is the concentration difference electromotive force of concentration cell.
Graphite electrode 1, cation selective membrane 3 ' and graphite electrode 10 constitute a basic concentration difference
Battery unit.In this concentration cell unit, graphite electrode 1 is the positive pole of battery, graphite electricity
Pole 10 is the negative pole of battery;Graphite electrode 10, cation selective membrane 3 ' and graphite electrode 2 constitute
Another basic concentration cell unit.In this concentration cell unit, graphite electrode 10 is electricity
The positive pole in pond, graphite electrode 2 is the negative pole of battery;Wherein graphite electrode 10 is taken into account becomes left and right two
The positive pole of individual concentration cell unit and negative pole, play the effect of two battery units about connection, becomes
For middle pole plate.Therefore output voltage will be had to produce between electrode 1 and 2, connecting load just can be defeated
Go out electric energy.The series connection output of multiple concentration cell can be realized in this way, to improve output voltage.
As long as also storage has solution in container 6 and container 7, highly concentrated solution supply pump 4 and low dense
Spend molten fluid supply pump 5 it is ensured that constant in highly concentrated solution passage and low concentration solution passage
Have highly concentrated solution and low concentration solution flow through, just have continual between electrode 1 and 2
Output voltage produces.
After connecting loop between electrode 1 and 2, loop will produce electric current.High concentration side
Anion (anion nitrate ion (NO more than needed in solution3 -)) will be released by negative electrode
Electric discharge, oxidized at negative electrode surface, generate oxygen (O2);Richness in the solution of low concentration side
Remaining cation (ammonium cation radical ion (NH4 +)) electronics will be obtained by anelectrode,
Positive electrode surface is reduced, and generates hydrogen (H2).Hydrogen (the H generated2) and oxygen (O2)
Can be as the fuel power generation function of hydrogen fuel cell, it is achieved be that fuel is electric indirectly by storage concentration difference solution
Pond provides the purpose of fuel.
Solution channel in the concentration cell of aforementioned sustainable generating is by arranging at graphite electrode surface
Many raceway grooves are formed, and as shown in Figure 4, groove can allow solution pass through, and projection can support
Ion exchange membrane.The most this structure can be effectively increased the contact area of solution and electrode, increases
Ion, at the response area of electrode surface, reduces the internal resistance of cell.
In order to increase solution inlet port end highly concentrated solution input interface and low concentration solution input interface it
Between space length, it is simple to Project Realization, can be by the high-concentration and low-concentration solution of ion-selective membrane both sides
Passage shape forms an angle, and such as shown in Figure 5 like that, forms 90 degree of angles, so
Can realize to greatest extent highly concentrated solution input interface and low concentration solution input interface point
From, it is simple to realize.
If the electrolyte that solution is common energy-storage battery, electrode is also corresponding common energy-storage battery
The sulphuric acid of electrode material, such as lead-acid battery and lead, then when concentration cell reacts, electrode
Surface does not generate hydrogen, but produces electrode ergastic substances, it is achieved thereby that concentration cell and energy storage
Battery is integrated, and charges for energy-storage battery while concentration cell generates electricity.
Claims (10)
1. a concentration cell for sustainable generating, it include anelectrode, negative electrode, electrode cut off,
Highly concentrated solution entrance, low concentration solution entrance, highly concentrated solution container, low concentration solution container,
Taphole, highly concentrated solution feed system and low concentration solution feed system after generating, it is special
Levy and be: described electrode cut off be clipped in the middle of described anelectrode and described negative electrode and with described positive electricity
Solution channel all it is reserved with between pole and described negative electrode;The connection of described highly concentrated solution entrance is highly concentrated
Degree solution channel, described low concentration solution entrance connection low concentration solution passage, described high concentration is molten
Liquid passage and described low concentration solution passage are segmented in described electrode by described electrode partition and cut off two
Side, under described highly concentrated solution feed system and described low concentration solution feed system order about, institute
State the highly concentrated solution in highly concentrated solution container and flow into described highly concentrated solution entrance, described low dense
Low concentration solution in degree solution container flows into described low concentration solution entrance;Highly concentrated solution is from institute
State electrode cut off side described highly concentrated solution passage flow through, low concentration solution from described electrode every
The described low concentration solution passage of disconnected opposite side flows through;Molten after described generating of solution after generating
Liquid outlet is constantly discharged, and produces output voltage between described anelectrode and described negative electrode.
The concentration cell of sustainable generating the most according to claim 1, it is characterised in that:
Described electrode cuts off the insulant thin layer being to allow the ion in solution to pass through;Or described electrode
Partition is the ion-selective membrane only allowing single conductance ion to pass through, as only allowed cation to pass through
Cation selective membrane or the anion selective membrane that only permission anion is passed through.
3., according to the concentration cell of the sustainable generating described in any one of claim 1-2, it is special
Levy and be: described solution channel is by a plurality of ditch arranged on described anelectrode and described negative electrode surface
Road is constituted;Preferably, there is intersecting angle between the described solution channel of described electrode partition both sides.
4., according to the concentration cell of the sustainable generating described in any one of claim 1-3, it is special
Levying and be: in the presence of having generation current, there is polarization reaction in the surface of described anelectrode, generates
Hydrogen, optionally generates oxygen;Preferably, described highly concentrated solution and/or described low concentration solution
For sodium salt such as sodium sulfate, sodium nitrate, ammonium salt such as ammonium sulfate, ammonium nitrate, or potassium salt such as potassium sulfate,
Potassium nitrate.
5., according to the concentration cell of the sustainable generating described in any one of claim 1-4, it is special
Levying and be: in the presence of having generation current, there is polarization reaction, solution in the surface of described anelectrode
In cation be reduced in described positive electrode surface, and the material after being reduced is attached to described
Positive electrode surface, constitutes chemical cell;Preferably, described positive electricity extremely lead electrode, described highly concentrated
Degree solution and/or described low concentration solution are sulphuric acid;Or described positive electricity extremely lithium electrode, described height
Strength solution and/or described low concentration solution are cobalt acid lithium or lithium phosphate.
6., according to the concentration cell of the sustainable generating described in any one of claim 1-5, it is special
Levy and be: the concentration of described highly concentrated solution is up to its saturated concentration, and described low concentration is molten
The concentration minimum zero of liquid.
7., according to the concentration cell of the sustainable generating described in any one of claim 1-6, it is special
Levy and be: when being formed series connection pile by described concentration cell, adjacent two concentration cells positive and negative
Pole combines, and the surface of the electrode both sides after this merging is provided with a plurality of raceway groove, described many
Bar raceway groove constitutes described solution channel;Preferably, the described solution of the electrode both sides after this merging leads to
Intersecting angle is there is between road.
8., according to the concentration cell of the sustainable generating described in any one of claim 1-7, it is special
Levy and be: the taphole after described generating be two separate molten with described high concentration respectively
Liquid passage and the channel attached outlet of described low concentration solution or combine by described high concentration
The outlet that solution channel and described low concentration solution passage link together.
9. a hydrogen fuel cell, it comprises the sustainable development described in any one of claim 1-8
The concentration cell of electricity.
10. an electric automobile, it comprises the sustainable generating described in any one of claim 1-8
Concentration cell.
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CN106784954A (en) * | 2017-02-19 | 2017-05-31 | 于小峰 | A kind of concentration cell |
CN107326387A (en) * | 2017-06-22 | 2017-11-07 | 中国科学技术大学 | The equipment and its application method of hydrogen can be directly produced using salt error |
CN109411834A (en) * | 2018-10-22 | 2019-03-01 | 五邑大学 | A kind of diffusion battery based on concentration difference |
CN110268569A (en) * | 2017-02-10 | 2019-09-20 | Cmblu企划股份公司 | Flow through formula electrode unit and application thereof, redox flow battery system and application thereof, the method for formula electrode unit, the method for operating redox flow battery system are flowed through in manufacture |
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 |
CN114763616A (en) * | 2022-03-12 | 2022-07-19 | 李立群 | Electric power liquefaction conversion device |
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