CN107740134A - A kind of devices and methods therefor of photocatalysis anode electrode decomposition water oxygen - Google Patents
A kind of devices and methods therefor of photocatalysis anode electrode decomposition water oxygen Download PDFInfo
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- CN107740134A CN107740134A CN201710980138.6A CN201710980138A CN107740134A CN 107740134 A CN107740134 A CN 107740134A CN 201710980138 A CN201710980138 A CN 201710980138A CN 107740134 A CN107740134 A CN 107740134A
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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
- C25B1/50—Processes
- C25B1/55—Photoelectrolysis
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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
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
- C25B11/03—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form perforated or foraminous
- C25B11/031—Porous electrodes
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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
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
- C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
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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
- C25B9/60—Constructional parts of cells
- C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections
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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
- C25B9/70—Assemblies comprising two or more cells
- C25B9/73—Assemblies comprising two or more cells of the filter-press type
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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
Abstract
The invention discloses a kind of devices and methods therefor of photocatalysis anode electrode decomposition water oxygen, the device is made up of anode electrode device, anode electrode liquid storage tank, oxygen gas collector, oxygen gas-liquid separator, oxygen gas storage tank.Wherein, collecting lens collection luminous energy shines directly into through optical fiber boundling produces electronics on anode electrode, anode electrode current potential is improved, and the hydrone occurred in electrochemical decomposition anode electrode liquid storage tank produces the reaction of pure oxygen and Hydrogen Proton, and oxygen is exported by gas output duct；While oxygen is produced on opto-electronic conversion anode electrode device, discharge electron energy and via wire flow through demand limiter electron energy therein is transferred on cathode electrode device and pass to Hydrogen Proton, chemical reaction occurs on electrode, produces hydrogen, reaches system and maintains dynamic equilibrium；The water level declined after anode electrode liquid storage tank release oxygen supplements pure water by hydraulic controller from pure water liquid supplementation pipe, pure water fluid infusion pump to anode electrode liquid storage tank again, can be produced incessantly as long as making oxygen have during light source.
Description
Technical field
The present invention relates to a kind of devices and methods therefor of photocatalysis anode electrode decomposition water oxygen.
Background technology
The outer space is explored, travelling of the mankind in future on the moon or Mars is lived and need carrying oxygen to be used for occupant, by
Very big difficulty is caused to occupant's existence in the oxygen-free environment of the outer space, develops the new technology one of making in site oxygen outside the earth
All it has been a big hot topic problem in this field since straight.Traditional method is mainly the production oxygen method of electrolysis water, and this process is usual
Need enough supplies of electric power.These electric power are probably the gained that generated electricity from solar panel so that cost increase and equipment it is complicated,
It is complex for operation step.Water oxygen and hydrogen, which is catalytically decomposed, using sunshine lower semiconductor material also many reported in literature, but
These methods can only decomposite a small amount of oxygen and hydrogen gas mixture, practical value are little, the separation consumptive material of its mixed gas
Or power consumption, increase cost.Can search out low-material-consumption, low energy consumption, low cost oxygen manufacture new method it is extremely important.
In fact, the energy contained in sunshine can directly be switched to electron energy by metal oxide or ion, it is such
Water-molecule dissociation can not only be oxygen and Hydrogen Proton (H by metal oxide electrode+), while can also produce electronics.When with leading
Line guides to these electronics the Hydrogen Proton (H that supply is come by anode migration on cathode electrode+) when, with regard to hydrogen can be reassembled into
Gas.So discharge oxygen on anode respectively and hydrogen is discharged on negative electrode, the energy of a light requirement, the consumption without electric energy.
It was found from thermodynamically, the electrode potential of itself will be lifted after above metal oxide electrode absorbs luminous energy
With confess electronics, as long as this electrode potential be higher than water decomposition current potential, so that it may produce oxygen and Hydrogen Proton (H+).The aqueous solution
Middle Hydrogen Proton (H+) concentration difference, can make it rapidly to the low cathodic migration of concentration.Now, will draw caused electronics on anode
, just can be with proton (H to cathode electrode+) recombine and discharge hydrogen and reach dynamic equilibrium.It is this cleverly to design very much,
Electric energy can be converted light energy into while decompose hydrone to produce oxygen, efficiency high, without first being generated electricity again by solar panel
Decompose hydrone, reduce efficiency.
There is substantial difference compared with traditional electrolysis, the present invention is without supply of electric power.Such as existing correlative study
Electrolysis makes high pure oxygen (CN104498983A (201410252178.5)) and not only wants supply of electric power, is also taken off with valuable palladium or platinum
Dehydrogenation and imflammable gas.Oxygen and hydrogen produced by the present invention are respectively in anode and cathode collector；The present invention is without first
Luminous energy is changed into electric energy, and decomposing high purity oxygen gas (CN104195588A (201410444414.3)) processed such as optical electro-chemistry not only needs
Light source, additional power (power supply) is also wanted to power.Due to without photoelectric conversion process, no matter theoretically analysis or actual motion
All show that this mode energy conversion is the most efficient, equipment is simple, cost is cheap, easy to operate, realizes optical electrical energy and chemical energy
The mutual conversion of amount, directly produces pure oxygen.
From electrolysis aquatic products oxygen need electrical methods it is different, also with photodissociation production oxygen and hydrogen gas mixture method not
Together, the photo cathode used in the present invention is to convert light energy into electron energy direct decomposition water release oxygen on anode, and
Assemble enough electronics on negative electrode and be supplied to H+Proton is converted into hydrogen, and pure oxygen is obtained in cathode zone.Fundamentally
The defects of overcoming electrolysis water/light decomposition water.
The content of the invention
The purpose of the present invention is overcome the deficiencies in the prior art, there is provided a kind of photocatalysis anode electrode decomposition water oxygen
Devices and methods therefor.
The device of photocatalysis anode electrode decomposition water oxygen, including collecting lens, optical fiber boundling, opto-electronic conversion anode
Electrode assembly, anode electrode liquid storage tank, oxygen gas collector, gas conduit, oxygen gas nozzle, oxygen gas-liquid separation
Device, oxygen gas conduit, oxygen gas storage tank, oxygen gas output duct, control valve, liquid return tube, wire, electric current limit
Device processed, cathode electrode device, proton ion selectivity barrier film, cathode electrode wet tank and hydrogen gas collector, hydrogen gas
Body nozzle assembly, hydrogen gas-liquid separator, hydrogen gas conduit, hydrogen gas storage tank, hydrogen gas output duct, pure water fluid infusion
Pipe, pure water fluid infusion pump, hydraulic controller；Photochemical catalyst electrode decomposition water oxygenerator is divided into anode by proton ion selectivity barrier film
Electrode liquid storage tank and cathode electrode wet tank, photoelectric conversion anode electrode device are placed in anode electrode liquid storage tank, are cloudy
Pole electrode assembly is placed in cathode electrode wet tank, and photoelectric conversion anode electrode device passes through wire and demand limiter and the moon
Pole electrode assembly is connected；The light that collecting lens is collected into is irradiated on opto-electronic conversion anode electrode device through optical fiber boundling,
The oxygen produced on opto-electronic conversion anode electrode device by passing through oxygen gas collector, gas successively after solution release effusion
Enter after conduit and oxygen gas nozzle in oxygen gas-liquid separator, the gas isolated in oxygen gas-liquid separator and liquid point
Into two-way, liquid one route control valve and liquid return tube is back in anode electrode liquid storage tank, another way oxygen gas
Flow through oxygen gas conduit to be stored in oxygen gas storage tank, and exported after storage enough by oxygen gas output duct；It is cloudy
Pass through hydrogen gas collector, gas conduit and hydrogen gas nozzle successively after caused hydrogen release on the electrode liquid storage tank of pole
Enter afterwards in hydrogen gas-liquid separator, the hydrogen gas isolated in hydrogen gas-liquid separator are divided into two-way, liquid one with liquid
Route test valve and liquid return tube are back in cathode electrode wet tank, and another way hydrogen gas flow through hydrogen gas and led
Pipe is stored in hydrogen gas storage tank, and is exported after storage enough by hydrogen gas output duct；Anode electrode liquid storage tank
Pure water fluid infusion pump is connected by pure water liquid supplementation pipe, pure water liquid supplementation pipe is provided with hydraulic controller and water inlet control valve.
Based on above-mentioned technical proposal, following several preferred embodiment can also be further provided for.
Described opto-electronic conversion anode electrode device is placed on centre and tight with porous conductive tack coat by conductive electrode
Close to paste connection, between 0.01~1 micron, electric conductivity net cuff-layer is wrapped in porous and led in the aperture of porous conductive tack coat
Outside electric tack coat, porous metal oxide catalyst layer, porous metal oxide catalyst layer are coated in electric conductivity net cuff-layer
Pore size control between 0.1~500 micron, close hoop pricks shape between the multi-layer electrode structure of opto-electronic conversion anode electrode device
Integrally.Wire and conductive electrode layer are buried within porous conductive tack coat with the affixed point of amalgam, and illumination occurs porous
Its caused electronics is spread out of by conductive electrode layer on property metal oxide oxidation catalyst bed boundary.
Described optical fiber boundling is at least one of quartz fibre, hard glass fiber, and optical fiber quantity is 1
~1000 pieces/square centimeter, it is connected with collecting lens.
Described anode electrode liquid storage tank is connected with collecting lens and optical fiber boundling, and collecting lens can be with light intensity side
Rotated to 180 °, the light direct irradiation conducted in optical fiber boundling is on opto-electronic conversion anode electrode device.
Solution in described anode electrode liquid storage tank is containing Na2SO4、Na3PO4、Na2HPO4、K2SO4、K3PO4、
K2HPO4At least one of brackish water, salt content be 0%~20%.
Described proton ion selectivity barrier film exchanges for the homogeneous ion exchange membrane or different-phase ion of conduction Hydrogen Proton
Porous separator.
The electrode material of described opto-electronic conversion anode electrode device is inertia platinum, graphite, graphene, active carbon fiber felt
Or active carbon fiber fabrics, electrode surface are coated with RuO2、IrO2、TiO2、PbO2、ZnO、Fe2O3、NiO、MnO2At least one of lead
Metal oxide；The electrode material of cathode electrode device is stainless steel electrode, graphite, active carbon fiber felt or NACF
Cloth, electrode surface are coated with RuO2、IrO2、TiO2、PbO2、ZnO、Fe2O3、NiO、MnO2At least one of conductive metal oxide
Thing.
Described opto-electronic conversion anode electrode device or the electrode shape of cathode electrode device are netted, poroid or wire grid
Shape.
Described opto-electronic conversion anode electrode device or the electrode preparation method of cathode electrode device are：By RuO2、IrO2、
TiO2、PbO2、ZnO、Fe2O3、NiO、MnO2At least one of conducting metal oxide coated on bare electrode, at 200-300 DEG C
Sintered at a temperature of left and right.
A kind of method using any of the above-described device decomposition water oxygen under photocatalysis, it is specific as follows：Contain certain salt
The solution of concentration is electrolyte, and luminous energy is in producing the voltage needed for decomposition hydrone on opto-electronic conversion anode electrode device, in light
Catalytic decomposition produces O on electricity conversion anode electrode device2, and discharged with pure oxygen；At the same time, caused electronics via
Wire flows through demand limiter and will pass to Hydrogen Proton in electric energy transfer therein to cathode electrode device and occur on electrode
Chemical reaction；After opto-electronic conversion anode electrode device release oxygen a large amount of H are produced in anode electrode liquid storage tank+, and due to
Concentration polarization acts through proton ion selectivity barrier film and migrated to cathode electrode wet tank；Move to the storage of cathode electrode liquid
The H of tank+It is combined with the electronics that the conduction of cathode electrode device comes and is converted into H2, and discharge to form loop with hydrogen gas, reaction reaches
To balance；The water level declined after anode electrode liquid storage tank release oxygen is via pure water liquid supplementation pipe, pure water fluid infusion pump and Water pressure controlled
Device processed supplements pure water to anode electrode liquid storage tank, can constantly produce pure oxygen.
The present invention has the advantage that compared with prior art：
(1) avoid largely using precious metal catalyst, can be continuously free of discontinuities and stably produce pure oxygen, both
It can be applied to outside ground sojourn in the specific occasion that occupant can be used for needing pure oxygen；
(2) extra electrical energy is not needed to input, it is only necessary to sufficient luminous energy；
(3) can be achieved to obtain pure hydrogen simultaneously；
(4) the direct recovery to luminous energy can be achieved, change pilot process without electro-optical package；
(5) it simple to operate, mild condition, can be carried out under normal temperature environment, only optical fiber need to be connected to light source
Place enough pure oxygens may be produced on certain distance.
Brief description of the drawings
Fig. 1 is the apparatus structure schematic diagram of photocatalysis anode electrode decomposition water oxygen；
Fig. 2 is photocatalysis anode electrode decomposition water oxygen method schematic；
Fig. 3 is photocatalysis anode electrode decomposition water oxygen opto-electronic conversion anode electrode device electrode structural representation；
In figure：Collecting lens 1, optical fiber boundling 2, opto-electronic conversion anode electrode device 3, anode electrode liquid storage tank 4, oxygen
Gas gas collector 5, gas conduit 6, oxygen gas nozzle 7, oxygen gas-liquid separator 8, oxygen gas conduit 9, oxygen gas
Storage tank 10, oxygen gas output duct 11, control valve 12, liquid return tube 13, wire 14, demand limiter 15, negative electrode electricity
Pole device 16, proton ion selectivity barrier film 17, cathode electrode wet tank 18, photochemical catalyst electrode decomposition water oxygenerator 19,
Hydrogen gas collector 20, hydrogen gas nozzle assembly 21, hydrogen gas-liquid separator 22, hydrogen gas conduit 23, hydrogen gas
Storage tank 24, hydrogen gas output duct 25, pure water liquid supplementation pipe 26, pure water fluid infusion pump 27, hydraulic controller 28, water inlet control valve
29th, the affixed point 30 of amalgam, conductive electrode layer 31, porous conductive tack coat 32, electric conductivity net cuff-layer 33, porous metal oxidation
Thing Catalytic Layer 34.
Embodiment
As shown in figure 1, the device of photocatalysis anode electrode decomposition water oxygen, it is characterised in that including collecting lens 1, light guide
The collection of filaments 2, opto-electronic conversion anode electrode device 3, anode electrode liquid storage tank 4, oxygen gas collector 5, gas conduit 6,
Oxygen gas nozzle 7, oxygen gas-liquid separator 8, oxygen gas conduit 9, oxygen gas storage tank 10, oxygen gas output duct
11st, control valve 12, liquid return tube 13, wire 14, demand limiter 15, cathode electrode device 16, proton ion selectivity
Barrier film 17, cathode electrode wet tank 18 and hydrogen gas collector 20, hydrogen gas nozzle assembly 21, hydrogen gas-liquid separator
22nd, hydrogen gas conduit 23, hydrogen gas storage tank 24, hydrogen gas output duct 25, pure water liquid supplementation pipe 26, pure water fluid infusion pump
27th, hydraulic controller 28；Photochemical catalyst electrode decomposition water oxygenerator 19 is divided for anode electrode by proton ion selectivity barrier film 17
Wet tank 4 and cathode electrode wet tank 18, photoelectric conversion anode electrode device 3 are placed in anode electrode liquid storage tank 4, cloudy
Pole electrode assembly 16 is placed in cathode electrode wet tank 18, and photoelectric conversion anode electrode device 3 is limited by wire 14 and electric current
Device 15 processed is connected with cathode electrode device 16；The light that collecting lens 1 is collected into is irradiated to opto-electronic conversion sun through optical fiber boundling 2
The oxygen produced on pole electrode assembly 3, oxygen gas collector 5 is escaped into again by gas conduit 6 and oxygen by solution release
Gas gas nozzle 7 is sent into oxygen gas-liquid separator 8, and gas and liquid are isolated in oxygen gas-liquid separator 8, gas to
Upper liquid is broken down into two-way, and liquid one route control valve 12 and liquid return tube 13 is back to anode electrode liquid storage tank 4
In, another way oxygen gas flows through oxygen gas conduit 9 and is stored in oxygen gas storage tank 10, and by oxygen after storage enough
Gas output duct 11 exports；Electronics is discharged while oxygen is produced on opto-electronic conversion anode electrode device 3, is flowed via wire 14
Hydrogen Proton will be passed to through demand limiter 15 in electric energy transfer to cathode electrode device 16 and is chemically reacted on electrode,
Its caused hydrogen is discharged by cathode electrode wet tank 18, passes through the He of gas conduit 6 via hydrogen gas collector 20
Hydrogen gas nozzle 21 isolates hydrogen gas and liquid in hydrogen gas-liquid separator 22, and the upward liquid of hydrogen gas divides downwards
Into two-way, liquid one route control valve 12 and liquid return tube 13 is back in cathode electrode wet tank 18, another way hydrogen
Gas gas flows through hydrogen gas conduit 23 and is stored in hydrogen gas storage tank 24, by hydrogen gas output duct after storage enough
25 outputs；Anode electrode liquid storage tank 4 connects pure water fluid infusion pump 27 by pure water liquid supplementation pipe 26, and pure water liquid supplementation pipe 26 is provided with water
Pressure controller 28 and water inlet control valve 29, anode electrode liquid storage tank 4 discharge after oxygen the water level that declines by pure water liquid supplementation pipe 26,
Pure water fluid infusion pump 27 supplements pure water by hydraulic controller 28 to anode electrode liquid storage tank 4.
The light that collecting lens 1 is collected into is at least one of visible ray, ultraviolet light, visible and ultraviolet mixed light, in light harvesting
Assemble enhanced light source on mirror 1 and the electrode table for being irradiated to opto-electronic conversion anode electrode device 3 is guided through optical fiber boundling 2
Face, excite on the anode electrode convert light energy into electric energy and decomposed on electrode water chemistry reaction produce oxygen,
Acidic atmosphere, H are formed in solution+Aggregation, enrichment, formation concentration gradient in anode region.Optical fiber boundling 2 be quartz fibre,
At least one of hard glass fiber, optical fiber quantity at least 1~1000 piece/square centimeter, it is connected with collecting lens 1
Connect.
Anode electrode liquid storage tank 4 is connected with collecting lens 1 and optical fiber boundling 2, and collecting lens 1 can be with light intensity direction
180 ° of rotations, its solar energy assembled is in all the time and reach maximum.The direct irradiation of optical fiber boundling 2 turns in photoelectricity
Change on anode electrode device 3；The oxygen discharged in the solution of anode electrode liquid storage tank 4 escapes into oxygen gas collector 5 again
Isolate gas and liquid in oxygen gas-liquid separator 8 by gas conduit 6 and oxygen gas nozzle 7, the upward liquid of gas to
Under be divided into two-way, liquid one route control valve 12 and liquid return tube 13 is back in anode electrode liquid storage tank 4, another way
Oxygen gas flows through oxygen gas conduit 9 and is stored in oxygen gas storage tank 10, is obtained by oxygen gas output duct 11 pure
Net oxygen output.
In the present invention, the solution in anode electrode liquid storage tank 4 is containing Na2SO4、Na3PO4、Na2HPO4、K2SO4、K3PO4、
K2HPO4At least one of brackish water, salt content be 0%~20%, used as electrolyte.Anode electrode liquid storage tank 4 is released
The water level declined after oxygen is put to be stored up to anode electrode liquid by hydraulic controller 28 from pure water liquid supplementation pipe 26, pure water fluid infusion pump 27
Tank 4 supplements pure water.
In the present invention, proton ion selectivity barrier film 17 is the homogeneous ion exchange membrane or different-phase ion of conduction Hydrogen Proton
Exchange porous separator.
In the present invention, opto-electronic conversion anode electrode device 3 can use structure shown in Fig. 3：In being placed in by conductive electrode layer 31
Between and with porous conductive tack coat 32 closely paste connection outside electric conductivity net cuff-layer 33, porous conductive tack coat 32
There is loose structure, between 0.01~1 micron, electric conductivity net cuff-layer 33 is wrapped in porous conductive and glued in aperture in binding material
Tie outside layer 32, porous metal oxide catalyst layer 34, porous metal oxide catalyst are coated in electric conductivity net cuff-layer 33
Pore size control in layer 34 between 0.1~500 micron, the above-mentioned multi-layer electrode structure of opto-electronic conversion anode electrode device 3 it
Between close hoop prick and form one.Wire 14 and conductive electrode layer 31 are buried in porous conductive tack coat 32 with the affixed point 30 of amalgam
Within, the hole that its caused electronics on the interface of porous metal oxide catalyst layer 34 passes through each electrode structure layer occurs for illumination
Spread out of after gap by conductive electrode layer 31.
The electrode material of conductive electrode layer 31 is inertia platinum, graphite, graphene, work in opto-electronic conversion anode electrode device 3
Property Carbon fibe felt or active carbon fiber fabrics, the conducting metal oxide of electrode surface coating is RuO2、IrO2、TiO2、PbO2、
ZnO、Fe2O3、NiO、MnO2At least one of.Electrode material in cathode electrode device 16 is stainless steel electrode, graphite, activity
Carbon fibe felt, active carbon fiber fabrics, the conducting metal oxide of electrode surface coating is also RuO2、IrO2、TiO2、PbO2、ZnO、
Fe2O3、NiO、MnO2At least one of.Two electrodes according to different needs, can make reticulate, be poroid, wire grid shape.
The preparation method of porous metal oxide catalyst layer 34 on opto-electronic conversion anode electrode device 3 is：By RuO2、
IrO2、TiO2、PbO2、ZnO、Fe2O3、NiO、MnO2At least one of conducting metal coated in electric conductivity net cuff-layer 33,
12h is sintered at a temperature of 200-300 DEG C or so, forms porous metal oxide catalyst layer 34.
The course of work of the present invention is as follows：Collecting lens 1 is connected with optical fiber boundling 2, and collecting lens 1 is with light intensity direction
180 ° of rotations, its luminous energy assembled is in all the time and reach maximum.The luminous energy that collecting lens 1 is collected into passes through optical fiber collection
The direct irradiation of beam 2 is on opto-electronic conversion anode electrode device 3.Opto-electronic conversion anode electrode device 3 is placed in containing certain salinity
Solution is in the anode electrode liquid storage tank 4 of electrolyte, luminous energy is in producing the voltage needed for decomposition hydrone on electrode, in photoelectricity
Change and electronics and catalyzing and decomposing H are discharged on anode electrode device 32O produces H+And O2, and anode electrode is passed through with pure oxygen
The top of wet tank 4 discharges its caused oxygen, is sprayed via oxygen gas collector 5 by gas conduit 6 and oxygen gas
Mouth 7 isolates oxygen gas and liquid in oxygen gas-liquid separator 8, and the upward liquid of oxygen gas is broken down into two-way, liquid
One route control valve 12 and liquid return tube 13 are back in anode electrode liquid storage tank 4, and another way oxygen gas flows through oxygen
Gas gas conduit 9 is stored in oxygen gas storage tank 10, is exported after storage enough by oxygen gas output duct 11；Anode electricity
Pole wet tank 4 discharges the water level declined after oxygen and passes through hydraulic controller 28 by pure water liquid supplementation pipe 26, pure water fluid infusion pump 27 again
Pure water is supplemented to anode electrode liquid storage tank 4, can constantly produce pure oxygen.
Based on said apparatus, the method for decomposition water oxygen is specific as follows under photocatalysis：Contain the molten of certain salinity
Liquid is electrolyte, and luminous energy is catalyzed in producing the voltage needed for decomposition hydrone on electrode on opto-electronic conversion anode electrode device 3
Decompose and produce O2, and discharged with pure oxygen；At the same time, caused electronics flows through demand limiter 15 via wire 14 and incited somebody to action
Electric energy transfer therein is to passing to Hydrogen Proton on cathode electrode device 16 and chemically reacted on electrode；Opto-electronic conversion sun
Pole electrode assembly 3 produces a large amount of H after discharging oxygen in anode electrode liquid storage tank 4+, and because concentration polarization acts through matter
Daughter ion selectivity barrier film 17 migrates to cathode electrode wet tank 18；Move to the H of cathode electrode wet tank 18+With negative electrode
The electronics that the conduction of electrode assembly 16 comes, which is combined, is converted into H2, and discharge to form loop with hydrogen gas, reaction reaches balance；Sun
Pole electrode liquid storage tank 4 discharges the water level declined after oxygen via pure water liquid supplementation pipe 26, pure water fluid infusion pump 27 and hydraulic controller
28 supplement pure water to anode electrode liquid storage tank 4, constantly produce pure oxygen and are stored up with anode electrode liquid of the hydrogen in separation
Tank 4 and the top of cathode electrode wet tank 18 are collected respectively.
Said apparatus is used in the experiment of follow-up each embodiment below.
Embodiment 1
Using a kind of device of photochemical catalyst electrode anodic decomposition water oxygen as shown in Figure 1, stored up in anode electrode liquid
The Na of addition~5% in tank2HPO4The aqueous solution, anode electrode coating Fe2O3The conducting metal that/NiO mixtures are formed, in too
Sunlight collects oxygen in lower 1 hour.Caused by oxygen flow be 50L/h, in anode electrode liquid storage tank after water level decreasing
Addition 40mL pure water returns to initial conditions.Gas output duct above oxygen gas storage tank, extract oxygen and pass through gas phase
The O that the oxygen purity that chromatograph analysis oxygen gas storage tank recovery obtains is 99.0%-99.5%2Gas, remaining 0.5%-
1.0% impurity is H2O.Wherein, the effective area of photochemical catalyst electrode anode and cathode electrode is 10.0cm*12.0cm.
Embodiment 2
Operating procedure is same as Example 1, except that regulation collecting lens as shown in Figure 2 makes collecting lens be directed at the sun
Light.Hydrogen gas from the gas output duct oxygen above oxygen gas storage tank and above hydrogen gas storage tank are passed through
Output duct guides to the calorimeter being made up of ceramic burner, irradiates the lower 1 hour oxygen collected by sunshine and hydrogen produces
Heat can measure caused by heat be about 1000KJ, the product collected above burner be steam.Inhaled by anhydrous calcium chloride
Weightening of being weighed after receipts is about 38 grams.
Embodiment 3
Operating procedure is same as Example 1, from the gas output duct oxygen above oxygen gas storage tank and in hydrogen
Hydrogen gas above gas reservoir guide to the calorimeter being made up of ceramic burner by output duct, are irradiated by sunshine
The lower 1 hour oxygen collected and hydrogen produce the luminous silk screen of heat energy, heating coated with rare earth, its caused luminosity and 500W
Halogen light lamp is suitable.
Embodiment 4
Operating procedure is same as Example 1, is guided to from the hydrogen gas above hydrogen gas storage tank by output duct
The reactor being made up of ceramic burner, and copper oxide compound is placed in reactor, irradiate lower 1 hour and receive by sunshine
Collecting caused water has about 35 grams.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, model not is protected to the present invention
The limitation enclosed.Such as opto-electronic conversion anode electrode device and cathode electrode device can also use other structures of the prior art,
As long as corresponding function can be realized.Therefore, on the basis of technical scheme, those skilled in the art are not required to
Various modifications or deformation that creative work can make are paid still within protection scope of the present invention.
Claims (10)
1. a kind of device of photocatalysis anode electrode decomposition water oxygen, it is characterised in that including collecting lens (1), optical fiber collection
Beam (2), opto-electronic conversion anode electrode device (3), anode electrode liquid storage tank (4), oxygen gas collector (5), gas conduit
(6), oxygen gas nozzle (7), oxygen gas-liquid separator (8), oxygen gas conduit (9), oxygen gas storage tank (10), oxygen gas
Body output duct (11), control valve (12), liquid return tube (13), wire (14), demand limiter (15), cathode electrode dress
Put (16), proton ion selectivity barrier film (17), cathode electrode wet tank (18) and hydrogen gas collector (20), hydrogen gas
Body nozzle assembly (21), hydrogen gas-liquid separator (22), hydrogen gas conduit (23), hydrogen gas storage tank (24), hydrogen gas
Output duct (25), pure water liquid supplementation pipe (26), pure water fluid infusion pump (27), hydraulic controller (28)；Photochemical catalyst electrode decomposition water system
Oxygen device (19) is divided into anode electrode liquid storage tank (4) and cathode electrode wet tank by proton ion selectivity barrier film (17)
(18), photoelectric conversion anode electrode device (3) is placed in anode electrode liquid storage tank (4), cathode electrode device (16) is placed in the moon
In pole electrode liquid storage tank (18), photoelectric conversion anode electrode device (3) passes through wire (14) and demand limiter (15) and the moon
Pole electrode assembly (16) is connected；The light that collecting lens (1) is collected into is irradiated to opto-electronic conversion anode electricity through optical fiber boundling (2)
On pole device (3), the oxygen produced on opto-electronic conversion anode electrode device (3) by passing through oxygen successively after solution release effusion
Gas collector (5), gas conduit (6) and oxygen gas nozzle (7) enter in oxygen gas-liquid separator (8) afterwards, oxygen gas-liquid
The gas isolated in separator (8) is divided into two-way with liquid, and liquid one route control valve (12) and liquid return tube (13)
It is back in anode electrode liquid storage tank (4), another way oxygen gas flows through oxygen gas conduit (9) and is stored in oxygen gas storage
In tank (10), and exported after storage enough by oxygen gas output duct (11)；Cathode electrode wet tank produces on (18)
Hydrogen release after enter hydrogen after hydrogen gas collector (20), gas conduit (6) and hydrogen gas nozzle (21) successively
In gas gas-liquid separator (22), hydrogen gas and the liquid isolated in hydrogen gas-liquid separator (22) are divided into two-way, liquid one
Route test valve (12) and liquid return tube (13) are back in cathode electrode wet tank (18), another way hydrogen gas stream
It is stored in through hydrogen gas conduit (23) in hydrogen gas storage tank (24), and by hydrogen gas output duct after storage enough
(25) export；Anode electrode liquid storage tank (4) connects pure water fluid infusion pump (27), pure water liquid supplementation pipe by pure water liquid supplementation pipe (26)
(26) hydraulic controller (28) and water inlet control valve (29) are provided with.
2. the device of a kind of photocatalysis anode electrode decomposition water oxygen according to claim 1, it is characterised in that described
Opto-electronic conversion anode electrode device (3) centre and close with porous conductive tack coat (32) is placed in by conductive electrode layer (31)
Connection is pasted, between 0.01~1 micron, electric conductivity net cuff-layer (33) is wrapped in more in the aperture of porous conductive tack coat (32)
Permeability conductive adhesion layer (32) is outside, and porous metal oxide catalyst layer (34) is coated in electric conductivity net cuff-layer (33), porous
The pore size control of property metal oxide oxidation catalyst layer (34) between 0.1~500 micron, opto-electronic conversion anode electrode device (3)
Close hoop, which is pricked, between multi-layer electrode structure forms one.Wire (14) is buried with the affixed point (30) of amalgam with conductive electrode layer (31)
Within porous conductive tack coat (32), illumination generation is on porous metal oxide catalyst layer (34) interface caused by it
Electronics is spread out of by conductive electrode layer (31).
3. the device of a kind of photocatalysis anode electrode decomposition water oxygen according to claim 1, it is characterised in that described
Optical fiber boundling (2) be quartz fibre, at least one of hard glass fiber, optical fiber quantity is 1~1000/
Square centimeter, it is connected with collecting lens (1).
4. the device of a kind of photocatalysis anode electrode decomposition water oxygen according to claim 1, it is characterised in that described
Anode electrode liquid storage tank (4) be connected with collecting lens (1) and optical fiber boundling (2), and collecting lens (1) can be with light intensity side
Rotated to 180 °, the light direct irradiation of conduction is on opto-electronic conversion anode electrode device (3) in optical fiber boundling (2).
5. the device of a kind of photocatalysis anode electrode decomposition water oxygen according to claim 1, it is characterised in that described
Anode electrode liquid storage tank (4) in solution be containing Na2SO4、Na3PO4、Na2HPO4、K2SO4、K3PO4、K2HPO4In at least one
The brackish water of kind, salt content are 0%~20%.
6. the device of a kind of photocatalysis anode electrode decomposition water oxygen according to claim 1, it is characterised in that described
Proton ion selectivity barrier film (17) for conduction Hydrogen Proton homogeneous ion exchange membrane or different-phase ion exchange porous every
Film.
7. the device of a kind of photocatalysis anode electrode decomposition water oxygen according to claim 1, it is characterised in that described
The electrode material of opto-electronic conversion anode electrode device (3) be inertia platinum, graphite, graphene, active carbon fiber felt or activated carbon
Fiber cloth, electrode surface are coated with RuO2、IrO2、TiO2、PbO2、ZnO、Fe2O3、NiO、MnO2At least one of conducting metal oxygen
Compound；The electrode material of cathode electrode device (16) is stainless steel electrode, graphite, active carbon fiber felt or active carbon fiber fabrics,
Electrode surface is coated with RuO2、IrO2、TiO2、PbO2、ZnO、Fe2O3、NiO、MnO2At least one of conducting metal oxide.
8. the device of a kind of photocatalysis anode electrode decomposition water oxygen according to claim 1, it is characterised in that described
Opto-electronic conversion anode electrode device (3) or the electrode shape of cathode electrode device (16) be netted, poroid or wire grid shape.
9. the device of a kind of photocatalysis anode electrode decomposition water oxygen according to claim 7, it is characterised in that described
Opto-electronic conversion anode electrode device (3) or the electrode preparation method of cathode electrode device (16) be：By RuO2、IrO2、TiO2、
PbO2、ZnO、Fe2O3、NiO、MnO2At least one of conducting metal oxide coated on bare electrode, at 200-300 DEG C or so
At a temperature of sinter.
10. a kind of method of device decomposition water oxygen under photocatalysis using decomposition water oxygen as claimed in claim 1,
It is characterized in that the solution containing certain salinity is electrolyte, luminous energy is in generation point on opto-electronic conversion anode electrode device (3)
The voltage needed for hydrone is solved, catalytic decomposition produces O on opto-electronic conversion anode electrode device (3)2, and released with pure oxygen
Put；At the same time, caused electronics flows through demand limiter (15) by electric energy transfer therein to negative electrode electricity via wire (14)
Hydrogen Proton is passed on pole device (16) and is chemically reacted on electrode；Opto-electronic conversion anode electrode device (3) discharges oxygen
A large amount of H are produced after gas in anode electrode liquid storage tank (4)+, and due to concentration polarization act through proton ion selectivity every
Film (17) migrates to cathode electrode wet tank (18)；Move to the H of cathode electrode wet tank (18)+With cathode electrode device
(16) electronics that conduction comes, which is combined, is converted into H2, and discharge to form loop with hydrogen gas, reaction reaches balance；Anode electrode
The water level declined after wet tank (4) release oxygen is via pure water liquid supplementation pipe (26), pure water fluid infusion pump (27) and hydraulic controller
(28) pure water is supplemented to anode electrode liquid storage tank (4), can constantly produces pure oxygen.
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