CN106148991A - A kind of device of microgravity field drives intensified electrolysis water oxygen/hydrogen manufacturing - Google Patents
A kind of device of microgravity field drives intensified electrolysis water oxygen/hydrogen manufacturing Download PDFInfo
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- CN106148991A CN106148991A CN201610553399.5A CN201610553399A CN106148991A CN 106148991 A CN106148991 A CN 106148991A CN 201610553399 A CN201610553399 A CN 201610553399A CN 106148991 A CN106148991 A CN 106148991A
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- main body
- electrolysis bath
- bath main
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
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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
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The present invention provides the device of a kind of microgravity field drives intensified electrolysis water oxygen/hydrogen manufacturing, including electrolysis bath main body, oxygen catcher, hydrogen collecting apparatus, external magnets and power supply.Electrolysis bath main body is discoid, the anode of power supply and negative electrode are separately positioned on the inwall both sides of electrolysis bath main body, external magnets is merged the both sides up and down being clamped in electrolysis bath main body by four pieces of set of permanent magnets, the non-uniform magnetic-field direction that space is formed is vertical with direction of an electric field, and in opposite direction with the Lorentz force of the formation near negative electrode side near anode side.The present invention passes through setting and the design of Novel electrolytic cell structure of outside non-uniform magnetic-field condition, gas-phase product can be got rid of under Lorentz force drives in time, and ensure that the purity of gas-phase product is more than 99.5% under conditions of the form not using any class ion exchange membrane separates electrolysis bath.
Description
Technical field
The present invention relates to electrolysis unit, be specifically related to the dress of a kind of microgravity field drives intensified electrolysis water oxygen/hydrogen manufacturing
Put.
Background technology
Electrolysis water be by water under DC Electric Field, convert electrical energy into the energy conversion device of chemical energy.At this
During water be decomposed, produce hydrogen at cathode surface and simultaneously produce oxygen at anode surface.Directly water electrolysis is that acquisition is high-purity
Degree hydrogen and the simple effective method of oxygen.Apparatus for electrolyzing and wind-power electricity generation or solar energy distributed energy generating skill
The combination of art can well solve effectively utilizing and transition problem on the spot of a clean energy resource；In aerological sounding, water power
Solve the mode that hydrogen manufacturing is requisite acquisition hydrogen；In float glass processing and semiconductor integrated circuit produce, it is thus achieved that high
Purity hydrogen is also to be realized by device for preparing hydrogen.Electrolysis water oxygenerating technology is the most rational space station oxygen generally acknowledged at present
Supply technology, is one of materialization regenerative environ-ment control core technology with life-support system, is also to realize medium-term and long-term manned boat
It key technology flown (Li Junrong, Yin Yongli, etc. space station electrolysis oxygenerating technology progress [J]. aerospace medicine and doctor
Engineering, 2013,26 (3): 216-220.).
Water electrolysis process exists electric potential difference between a cathode and an anode, under the conditions of constant Faradaic current, electricity between electrode
Potential difference is the least, it is thus achieved that the electric energy that unit volume gas-phase product is consumed is the fewest.Otherwise, electrolysis energy consumption is the highest.Electric potential difference between electrode
It is made up of three parts: electrolyte ohm voltage drop, ion exchange membrane voltage drop, electrode overpotential.When electrode surface and near have
When gas-phase product attachment or gathering, the bubble weak due to electric conductivity exists, and can cause electrode overpotential and electrolyte ohm simultaneously
The rising of pressure drop, and then add electric potential difference between large electrode, increase electrolysis energy consumption (Mingyong Wang, Zhi Wang, Xuzhong
Gong,Zhancheng Guo.The intensification technologies to water electrolysis for
hydrogen production–A review[J].Renewable and Sustainable Energy Reviews,
2014,29:573–588.)。
In existing direct water electrolytic oxygen generating/hydrogen manufacturing, typically force electrolyte flow by action of gravity or dependence circulating pump
Drive away gas-phase product.But under such as space station microgravity environment, owing to action of gravity disappears, oxygen bubbles buoyancy in a liquid is almost
Being zero, bubble is difficult to be desorbed after electrode surface nucleation, causes gas-phase product to assemble a large amount of of electrode surface, thus adds
Electrolysis energy consumption.And the pump relying on electric energy to input drives electrolyte circulation, need the most again extra power consumption, be unfavorable for electrolysis
The reduction of comprehensive energy consumption.
Summary of the invention
It is an object of the invention to, by specific external magnetic field, coordinate special cell construction to design, at electrolysis bath
The Lorentz force of middle formation different directions drives hydrogen, oxygen to enter hydrogen collecting apparatus, oxygen catcher from both direction respectively,
In the case of not using ion exchange membrane to separate electrolysis bath chamber and do not use pump to drive pressure electrolyte flow, only rely on Lip river
Lun Zili drives electrolyte flow, it is achieved effectively dispersing and the high efficiency separation of different gas-phase product of gas-phase product.
Employed technical scheme comprise that such for realizing the object of the invention, a kind of microgravity field drives intensified electrolysis water
The device of oxygen/hydrogen manufacturing processed, including electrolysis bath main body, oxygen catcher, hydrogen collecting apparatus, external magnets and power supply.
It is provided with anode-side electrolyte outlet, cathode side electrolyte outlet and electrolyte in described electrolysis bath main body to enter
Mouthful.Described electrolysis bath main body is discoid cell body.Described electrolyte inlet is arranged on the vertical centrage of electrolysis bath main body.
Described anode-side electrolyte outlet and cathode side electrolyte outlet are separately positioned on the circumference side of electrolysis bath main body, and close
In its centrosymmetry.
Described anode-side electrolyte outlet is provided with oxygen catcher.Described cathode side electrolyte outlet is provided with hydrogen
Gas catcher.
The yin, yang electrode of described power supply is arranged symmetrically in the inwall both sides of electrolysis bath main body.Its Anodic is near anode-side
Electrolyte outlet, negative electrode is near cathode side electrolyte outlet.
Described external magnets includes four pieces of identical permanent magnets, and every two pieces of permanent magnets are one group, are divided into A group and B group.A group
Two pieces of permanent magnets be symmetrically mounted on the electrolysis bath main body upper and lower surface near anode side, and N, S are the most relative；Two pieces of B group
Permanent magnet is symmetrically mounted on the electrolysis bath main body upper and lower surface near negative electrode side, and S, N are the most relative simultaneously；Wherein A, B two groups is forever
The magnetic pole reverse arrangement of magnet, between electrode after current turns ON so that near anode side and the Lip river formed near negative electrode side
Human relations hereby force direction is contrary.
Further, the magnetic field intensity scope of described external magnets is in 0～3T.
Further, described anode is between two pieces of permanent magnets of A group.Described negative electrode be positioned at B group two pieces of permanent magnets it
Between.
Further, multiple electrolysis bath main body can also be stacked between described external magnets.Or each electrolysis bath main body with
External magnets one unit of composition, multiple unit are overlapped using.
Further, the inside of described electrolysis bath main body is additionally provided with two pieces of deflectors；These two pieces of deflectors are respectively close to sun
Side, pole electrolyte outlet and cathode side electrolyte outlet.
The solution have the advantages that mathematical.If it is known that gas-phase product can not be got rid of in time in electrolysis bath,
Electrolyzer electric potential difference can be dramatically increased, cause energy consumption to raise.Existing technological means relies on action of gravity or pump to drive electrolyte
Forced flow disperses gas-phase product in time.In microgravity or low-gravity environment, the buoyance lift that gas-phase product is formed by gravity is made
With not existing or inconspicuous, gas-phase product is gathered in electrode surface, and the pump relying on electric energy to input drives, and more can cause additional electric
The consumption of energy.And the present invention can meet under conditions of only relying on Lorentz force driving, it is achieved effective expeling of electrolysate
And collection, realize the forced circulation of electrolysis bath electrolyte inside simultaneously, strengthen mass transport process, reduce electrolysis energy consumption.Even if micro-heavy
In force environment, remain to realize the timely discharge of gas-phase product, reduce the gas-phase product gathering at electrode surface as far as possible.
Present invention is particularly suitable in zero gravity or microgravity environment.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of apparatus of the present invention；
Fig. 2 is the structural representation of electrolysis bath main body；
Fig. 3 is the Distribution of Magnetic Field form schematic diagram that external magnets is formed in electrolysis bath main body.
In figure: electrolysis bath main body 1, oxygen catcher 2, hydrogen collecting apparatus 3, external magnets 4, anode-side electrolyte outlet
5, cathode side electrolyte outlet 6, electrolyte inlet 7, anode 8, negative electrode 9, deflector 10.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings, but should not be construed the above-mentioned theme of the present invention
Scope is only limitted to following embodiment.Without departing from the idea case in the present invention described above, know according to ordinary skill
Know and customary means, make various replacement and change, all should include within the scope of the present invention.
Seeing Fig. 1 and Fig. 2, the present embodiment provides the device of a kind of microgravity field drives intensified electrolysis water oxygen/hydrogen manufacturing,
Including electrolysis bath main body 1, oxygen catcher 2, hydrogen collecting apparatus 3, external magnets 4 and power supply.
Anode-side electrolyte outlet 5, cathode side electrolyte outlet 6 and electrolysis it is provided with in described electrolysis bath main body 1
Liquid import 7.Described electrolysis bath main body 1 is discoid cell body.Described electrolyte inlet 7 is arranged on the vertical of electrolysis bath main body 1
On centrage.Described anode-side electrolyte outlet 5 and cathode side electrolyte outlet 6 are separately positioned on electrolysis bath main body 1
Circumference side, and about its centrosymmetry.Wherein said anode-side electrolyte outlet 5 and cathode side electrolyte outlet 6
Towards on the contrary, their runner is parallel to each other.
Described anode-side electrolyte outlet 5 is provided with oxygen catcher 2.Described cathode side electrolyte outlet 6 is installed
There is hydrogen collecting apparatus 3.
The yin, yang electrode of described power supply is arranged symmetrically in the inwall both sides of electrolysis bath main body 1.Its Anodic 8 is near anode
Side electrolyte outlet 5, negative electrode 9 is near cathode side electrolyte outlet 6.
Described external magnets 4 includes the permanent magnet that four block sizes are identical, and every two pieces of permanent magnets are one group, are divided into A group and B
Group.Two pieces of permanent magnets of A group are symmetrically mounted on the electrolysis bath main body 1 upper and lower surface near anode 8 side, and N, S are the most relative；B
Two pieces of permanent magnets of group are symmetrically mounted on the electrolysis bath main body 1 upper and lower surface near negative electrode 9 side, and S, N are the most relative simultaneously；Its
The magnetic pole reverse arrangement of middle two groups of permanent magnets of A, B so that in electrolysis bath main body 1, by anode to negative electrode side, forms direction phase
Anti-non-uniform magnetic-field, as shown in Figure 3.Between electrode after current turns ON so that near anode side and close negative electrode side shape
The Lorentz force become is in opposite direction.The inside of described electrolysis bath main body 1 is additionally provided with two pieces of deflectors 10.These two pieces of deflectors 10
Respectively close to anode-side electrolyte outlet 5 and cathode side electrolyte outlet 6.
Owing to there is external magnets 4, the Lorentz force that electromagnetic field produces is applied on fluid with the form of body force, long-range navigation
Hereby the size and Orientation of power is relevant with electric current (j) and local magnetic induction (B): F=j × B.Magnetic field due to yin, yang the two poles of the earth
In opposite direction, Lorentz force in opposite direction can be formed, such that it is able to realize the electrolyte vertical center around electrolysis bath main body 1
The flowing of line (Z-direction).Be mixed with the electrolyte of gas-phase product rely on inertial flow near negative electrode and anode two go out
Mouth is got rid of, and the gas collector arranged at corresponding exit position collects hydrogen and oxygen respectively.Due to rotational flow institute shape
The central area negative pressure of the electrolysis bath main body 1 become necessarily makes electrolyte be automatically replenished from electrolyte inlet 7, it is not necessary to additionally carry
Pressure.
For preventing gas-phase product from mixing mutually and improving product purity, near two outlets (anode-side electrolyte discharge
Mouth 5 and cathode side electrolyte outlet 6) position, it is respectively arranged one piece of deflector 10.Need explanation, the permanent magnet of the present invention
Arrange according to the position of electrode and electrolyte outlet towards depending on, its principle seeks to ensure the long-range navigation that anode-side is formed
Hereby power and anode-side electrolyte outlet 5 towards identical, the Lorentz force that cathode side is formed and cathode side electrolyte outlet 6
Towards identical, so contribute to the eliminating of electrolyte and gas-phase product.
Specifically, when electrolysis, electrolysis bath main body 1 is full of electrolyte.After power on, along with the carrying out of electrolysis is at the moon
The surface of pole 9 and anode 8 separates out hydrogen and oxygen respectively.The non-uniform magnetic-field that space is formed makes around negative electrode 9 and anode 8
Lorentz force is in opposite direction, so electrolyte is driven by Lorentz force does rotational flow in electrolysis bath main body 1.At deflector 10
Effect under, hydrogen and oxygen are got rid of with electrolyte from each outlet along with rotary motion, near the collection and confinement of gases in exit
Being collected in device, electrolyte flows out in case recycling.Deflector 10 can effectively stop and causes due to rotary motion
Hydrogen and the mixing of oxygen, can well control the purity of gaseous product.The present invention uses permanent magnet to build external magnetic field simultaneously,
External magnetic field strength is fixed.Generating rate and the electrolyte flow speed of gas-phase product can be controlled by the size of regulation electric current
Degree.
Claims (5)
1. the device of microgravity field drives intensified electrolysis water oxygen/hydrogen manufacturing, it is characterised in that: include electrolysis bath main body
(1), oxygen catcher (2), hydrogen collecting apparatus (3), external magnets (4) and power supply；
Anode-side electrolyte outlet (5), cathode side electrolyte outlet (6) and electricity it is provided with on described electrolysis bath main body (1)
Solve liquid import (7)；Described electrolysis bath main body (1) is discoid cell body；Described electrolyte inlet (7) is arranged on electrolysis bath main body
(1) on vertical centrage；Described anode-side electrolyte outlet (5) and cathode side electrolyte outlet (6) are separately positioned on
The circumference side of electrolysis bath main body (1), and about its centrosymmetry；
Described anode-side electrolyte outlet (5) is provided with oxygen catcher (2)；Described cathode side electrolyte outlet (6) is pacified
Equipped with hydrogen collecting apparatus (3)；
The yin, yang electrode of described power supply is arranged symmetrically in the inwall offside of electrolysis bath main body (1)；Its Anodic (8) is near anode
Side electrolyte outlet (5), negative electrode (9) is near cathode side electrolyte outlet (6)；
Described external magnets (4) includes four pieces of identical permanent magnets, and every two pieces of permanent magnets are one group, are divided into A group and B group；A group
Two pieces of permanent magnets are symmetrically mounted on the electrolysis bath main body (1) the upper and lower surface near anode side, and N, S are the most relative；The two of B group
Block permanent magnet is symmetrically mounted on the electrolysis bath main body (1) the upper and lower surface near negative electrode side, and S, N are the most relative simultaneously；Wherein A, B
The magnetic pole reverse arrangement of two groups of permanent magnets, between electrode after current turns ON so that near anode side and close negative electrode side shape
The Lorentz force become is contrary.
The device of a kind of microgravity field drives intensified electrolysis water oxygen/hydrogen manufacturing the most according to claim 1, its feature exists
In: the magnetic field intensity scope of described external magnets (4) is in 0～3T.
The device of a kind of microgravity field drives intensified electrolysis water oxygen/hydrogen manufacturing the most according to claim 1, its feature exists
In: described anode (8) is between two pieces of permanent magnets of A group；Described negative electrode (9)) between two pieces of permanent magnets of B group.
The device of a kind of microgravity field drives intensified electrolysis water oxygen/hydrogen manufacturing the most according to claim 1, its feature exists
In: also can stack multiple electrolysis bath main body (1) between described external magnets (4), or each electrolysis bath main body (1) is with outside
Magnet (4) one unit of composition, multiple unit are overlapped using.
The device of a kind of microgravity field drives intensified electrolysis water oxygen/hydrogen manufacturing the most according to claim 1, its feature exists
In: the inside of described electrolysis bath main body (1) is additionally provided with two pieces of deflectors (10)；These two pieces of deflectors (10) are respectively close to anode
Side electrolyte outlet (5) and cathode side electrolyte outlet (6).
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109112567A (en) * | 2018-08-29 | 2019-01-01 | 重庆大学 | A kind of device of comprehensive utilization porous foam electrode and externally-applied magnetic field reduction electrolysis water consumption |
| CN109594098A (en) * | 2019-01-15 | 2019-04-09 | 湖南大学 | The electrolysis water reaction unit of externally-applied magnetic field and its method for enhancing electrocatalysis characteristic |
| CN112481659A (en) * | 2020-11-26 | 2021-03-12 | 江西理工大学 | Device and method for strengthening electrolyte movement in electrolytic cell in non-contact manner |
| TWI746219B (en) * | 2020-10-20 | 2021-11-11 | 國立雲林科技大學 | Electrode for electrolysis and electrolysis device and pumping device using the same |
| CN113767190A (en) * | 2019-05-03 | 2021-12-07 | H2解决方案有限公司 | Reactor for gas generation |
| CN114318364A (en) * | 2022-01-13 | 2022-04-12 | 西南科技大学 | Method for preparing hydrogen by electrolyzing water based on magnetic polarization pretreatment |
| EP3981897A1 (en) | 2020-10-06 | 2022-04-13 | Geidoc S.r.l. | System and method for the production of electrolytic hydrogen |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109112567A (en) * | 2018-08-29 | 2019-01-01 | 重庆大学 | A kind of device of comprehensive utilization porous foam electrode and externally-applied magnetic field reduction electrolysis water consumption |
| CN109594098A (en) * | 2019-01-15 | 2019-04-09 | 湖南大学 | The electrolysis water reaction unit of externally-applied magnetic field and its method for enhancing electrocatalysis characteristic |
| CN109594098B (en) * | 2019-01-15 | 2020-08-04 | 湖南大学 | Water electrolysis reaction device with external magnetic field and method for enhancing electrocatalysis performance of water electrolysis reaction device |
| CN113767190A (en) * | 2019-05-03 | 2021-12-07 | H2解决方案有限公司 | Reactor for gas generation |
| EP3981897A1 (en) | 2020-10-06 | 2022-04-13 | Geidoc S.r.l. | System and method for the production of electrolytic hydrogen |
| TWI746219B (en) * | 2020-10-20 | 2021-11-11 | 國立雲林科技大學 | Electrode for electrolysis and electrolysis device and pumping device using the same |
| CN112481659A (en) * | 2020-11-26 | 2021-03-12 | 江西理工大学 | Device and method for strengthening electrolyte movement in electrolytic cell in non-contact manner |
| CN112481659B (en) * | 2020-11-26 | 2022-03-08 | 江西理工大学 | Device and method for strengthening electrolyte movement in electrolytic cell in non-contact manner |
| CN114318364A (en) * | 2022-01-13 | 2022-04-12 | 西南科技大学 | Method for preparing hydrogen by electrolyzing water based on magnetic polarization pretreatment |
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