CN106556637A - A kind of photoelectrocatalysis reaction experiment device - Google Patents
A kind of photoelectrocatalysis reaction experiment device Download PDFInfo
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- CN106556637A CN106556637A CN201611001326.1A CN201611001326A CN106556637A CN 106556637 A CN106556637 A CN 106556637A CN 201611001326 A CN201611001326 A CN 201611001326A CN 106556637 A CN106556637 A CN 106556637A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/4162—Systems investigating the composition of gases, by the influence exerted on ionic conductivity in a liquid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
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Abstract
Photoelectrocatalysis reaction experiment device of the invention, by being connected with electro-chemical systems and gas chromatograph simultaneously, so that the photoelectric current and gaseous products of synchronous detection photovoltaic reaction generation when pending gas is processed by photovoltaic reaction, can be realized, characterized in that, including：Reacting part, with all use quartz material into chamber and closure；Intake section, is arranged on chamber and is connected with chamber, and the inside for pending gas to be incorporated into chamber is reacted；Exhaust portion, is arranged on chamber and is connected with chamber, detected for gaseous products are drawn out to gas chromatograph within the chamber；And electrode oral area, reference electrode mouth on side wall with three directions for being separately positioned on chamber, to electrode ports and working electrode mouth, reference electrode mouth with electrode ports are oppositely arranged, be respectively mounted be connected with electro-chemical systems reference electrode post, to electrode column and working electrode post.
Description
Technical field
The present invention relates to a kind of photoelectrocatalysis reaction experiment device, the new photoelectrocatalysis reaction of more particularly to a kind of many work(
Experimental provision.
Background technology
Used as the measuring apparatus that electrochemical research and teaching are conventional, its inside of electrochemical workstation occurs with data signal
Device, data collecting system, multilevel signal gain, glucose current equation traffic filter, IR drop compensation circuits, galvanostat, constant potential
Instrument, can complete the observing and controlling to some electrochemical parameters under different situations, using extremely wide in electrochemical measurement.And gas phase color
Spectrometer is except for qualitatively and quantitatively analyzing in mixed gas in addition to each component, moreover it is possible to distribution system of the determination sample in fixing phase
The physicochemical constants such as number, activity coefficient, molecular weight and specific surface area, thus in chemical industry, environmental protection, pharmaceutical sanitary field application very
Extensively.It is worth noting that, as the analysis testing equipment that laboratory and scientific research institution are conventional, electrochemical workstation and gas-chromatography
Instrument is all high to experimental situation requirement, repeats experiment difficulty very big.
Thus photoelectric current and photoelectrocatalysis gaseous products data how simultaneously and are accurately measured, lead in photocatalysis technology
Compare stubborn problem in always one, domain.
The content of the invention
The present invention is proposed to solve the above problems, it is therefore intended that provide a kind of energy synchronous detection light electrocatalytic reaction
The photoelectrocatalysis reaction experiment device of the photoelectric current and gaseous products of generation.
Present invention employs technical scheme below：
A kind of photoelectrocatalysis reaction experiment device, by being connected with electro-chemical systems and gas chromatograph respectively, is used for
Carry out photovoltaic reaction to process pending gas and synchronously detect the photoelectric current and gaseous products of photovoltaic reaction generation, its feature exists
In, including：Reacting part, in cylinder shape, with all use quartz material into chamber and closure, the chamber has opening,
Closure is used to seal opening；Intake section, is arranged on chamber and is connected with chamber, for pending gas is incorporated into chamber
Reacted the inside of room；
Exhaust portion, is arranged on chamber and is connected with chamber, for gaseous products are drawn out to gas phase color within the chamber
Spectrometer is detected；And electrode oral area, it is reference electrode mouth on the side wall with three directions for being separately positioned on chamber, right
Electrode ports and working electrode mouth, reference electrode mouth with electrode ports are oppositely arranged, wherein, reference electrode mouth, to electrode ports, work
Be respectively mounted as electrode ports be connected with electro-chemical systems reference electrode post, to electrode column and working electrode post, for electrification
System provides voltage to photovoltaic reaction, and forms the current loop of photoelectric current, and photoelectric current imports electrochemistry by current loop
System is detected.
The photoelectrocatalysis reaction experiment device that the present invention is provided, also has the feature that：Wherein, reacting part is highly
130mm, chamber are in cylindrical, and its external diameter is 70mm, and opening inside diameter is 65mm.
The photoelectrocatalysis reaction experiment device that the present invention is provided, also has the feature that：Wherein, closure and opening all
Frosted interface is provided with, and coordinates c-type to seal fastener by silicone gasket and sealed.
The photoelectrocatalysis reaction experiment device that the present invention is provided, also has the feature that：Wherein, intake section is air inlet
Pipe, one end of air inlet pipe stretch into chamber and extend downwardly, and air inlet pipe is 6mm with the external diameter of exhaust portion.
The photoelectrocatalysis reaction experiment device that the present invention is provided, also has the feature that：Wherein, reference electrode mouth, right
Polytetrafluoroethylsealed sealed packing ring is provided with electrode ports, working electrode mouth.
The photoelectrocatalysis reaction experiment device that the present invention is provided, also has the feature that：Wherein, to electrode using platinum electricity
Pole, reference electrode is using silver or silver chloride electrode.
The photoelectrocatalysis reaction experiment device that the present invention is provided, also has the feature that：Wherein, reference electrode mouth, right
Electrode ports, the external diameter of working electrode mouth are 10mm.
Invention effect and effect
Photoelectrocatalysis reaction experiment device of the invention, as electro-chemical systems and gas chromatograph can be connected,
Institute has ensured experiment accuracy, while significantly under identical appointed condition in order to synchronous detection photoelectric current and gaseous products
Experimental period has been saved, operating efficiency has been improve.
Description of the drawings
Fig. 1 is the structural representation of the photoelectrocatalysis reaction experiment device in the embodiment of the present invention.
Specific embodiment
Embodiment
The specific embodiment of embodiments of the invention is illustrated below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of the photoelectrocatalysis reaction experiment device in the embodiment of the present invention.
As shown in figure 1, photoelectrocatalysis reaction experiment device 100 includes reacting part 10, intake section 20, exhaust portion 30 and electricity
In highest terms portion 40.
Reacting part 10 is in cylinder shape, is highly 130mm, with chamber 11 and closure 12.
Chamber 11 is made using quartz material in cylinder, and for the container as photovoltaic reaction, its external diameter is 70m, is had
There is opening, the opening inside diameter is 65mm.
Closure 12 is made using quartz material, and the opening with chamber 11 is frosted interface, and coordinates C by silicone gasket
Type sealing fastener seals the opening.
Intake section 20 is air inlet pipe, and a diameter of 6mm of the air inlet pipe is arranged on chamber and is connected with chamber, one
End is into chamber 11, and extends downwardly the bottom until chamber 11, for pending gas to be incorporated into the inside of chamber 11.
Exhaust portion 30 is arranged on the top of chamber 12, is connected above and with chamber 12, carries out for treating processing gas
The gaseous products produced after photovoltaic reaction, are drawn out to gas chromatograph from chamber 12, at this moment can just be examined by gas chromatograph
Survey the gaseous products.
Electrode oral area 40 is with reference electrode mouth 41, to electrode ports 42 and working electrode mouth 43, above three electrode ports
Be separately positioned on three side walls of chamber 11, and reference electrode mouth 41 with electrode ports 42 are oppositely arranged, these three electrodes
The external diameter of mouth is 10mm, and is all additionally provided with polytetrafluoroethylsealed sealed packing ring, so when electrode column is placed in electrode ports, Ke Yitong
Cross the polytetrafluoroethylsealed sealed packing ring to be sealed.Platinum electrode is adopted to electrode 42, reference electrode 41 is using silver or silver chloride electrode.When making
Used time, reference electrode post is placed in reference electrode mouth 41, placing electrode ports 42 to electrode column, and in working electrode mouth 43
Working electrode post is placed, and then each electrode column is connected with electro-chemical systems, photovoltaic reaction is pressurised into by electro-chemical systems
Offer voltage, and the current loop of the photoelectric current of photovoltaic reaction generation is formed, such photoelectric current is returned by the current loop
Electro-chemical systems and be detected.
The use step of electrocatalytic reaction experimental provision 100 is specifically described below：
Step one, weighs 10-200mg powdery photocatalysts, adds into 30-200ml electrolyte, pour chamber 11 into
In, then by ultrasonic disperse 10 minutes.
Step 2, places reference electrode post, electrode ports 42 is being placed to electrode column, working electrode in reference electrode mouth 41
Mouth 43 places working electrodes, it is ensured that each electrode column is immersed under liquid level of electrolyte, and each electrode ports good seal.
Step 3, it is ensured that after 11 good seal of chamber, is continuously passed through high pure nitrogen as carrier gas from intake section 20, to chamber
Purging cleaning is carried out in 11 30 minutes to 2 hours, until remaining without air in reactor, exhaust portion 30 is connected to into gas phase at this moment
Chromatograph.
Step 4, starts light source prolonged exposure reactor, and by electro-chemical systems to working electrode post and to electrode
Post applies certain voltage, while opening gas chromatograph, thus can detect photoelectric current by electro-chemical systems, moreover it is possible to pass through
The gaseous products produced in gas chromatograph timing acquiring chamber 11 carry out qualitative and quantitative analysis.
The effect of embodiment and effect
According to photoelectrocatalysis reaction experiment device of the invention, as electro-chemical systems and gas-chromatography can be connected
Instrument, institute have ensured experiment accuracy, while greatly under identical appointed condition in order to synchronous detection photoelectric current and gaseous products
Experimental period has been saved greatly, operating efficiency has been improve；Simultaneously as manufacture craft is simple, and the material of reacting part is quartz,
So cost of manufacture is relatively low and will not be to environment.
Further, as closure and opening are frosted interface, and c-type sealing fastener is coordinated to carry out by silicone gasket
Sealing, and each electrode ports is provided with polytetrafluoroethylsealed sealed packing ring so that and air-tightness during reaction in cavity is greatly improved, and is ensured
Experiment is accurate.
In addition, experiment of the photoelectrocatalysis reaction experiment device of the present embodiment for detection during photovoltaic reaction, as this
, now only there is light reaction in the photoelectrocatalysis reaction experiment device of invention, it is also possible to the test experience being served only for during light reaction, only
Gaseous products are detected by the gas chromatograph for connecting.
Although being described to the specific embodiment of description of the invention above, in order to the technology of the art
Personnel understand the present invention, it should be apparent that the invention is not restricted to the scope of specific embodiment, the common skill to the art
For art personnel, as long as various change is in appended claim restriction and the spirit and scope of the present invention for determining, these
Change is it will be apparent that all utilize the innovation and creation of present inventive concept in the row of protection.
Claims (7)
1. a kind of photoelectrocatalysis reaction experiment device, by being connected with electro-chemical systems and gas chromatograph respectively, be used for into
Row photovoltaic reaction processes pending gas and synchronously detects the photoelectric current and gaseous products of the photovoltaic reaction generation, its feature
It is, including：
Reacting part, in cylinder shape, with all use quartz material into chamber and closure, the chamber has opening, described
Closure is used to seal the opening；
Intake section, is arranged on the chamber and is connected with the chamber, described for the pending gas is incorporated into
Reacted the inside of chamber；
Exhaust portion, is arranged on the chamber and is connected with the chamber, for by the gaseous products from the within the chamber
It is drawn out to the gas chromatograph to be detected；And
Electrode oral area, reference electrode mouth on the side wall with three directions for being separately positioned on the chamber, to electrode ports with
And working electrode mouth, the reference electrode mouth is oppositely arranged to electrode ports with described,
Wherein, the reference electrode mouth, the reference being connected with the electro-chemical systems is respectively mounted to electrode ports, working electrode mouth
Electrode column, to electrode column and working electrode post, voltage is provided to the photovoltaic reaction for the electro-chemical systems, and is formed
The current loop of the photoelectric current, the photoelectric current import the electro-chemical systems by the current loop and are detected.
2. photoelectrocatalysis reaction experiment device as claimed in claim 1, it is characterised in that：
Wherein, the reacting part is highly 130mm,
The chamber is in cylindrical, and its external diameter is 70mm,
The opening inside diameter is 65mm.
3. photoelectrocatalysis reaction experiment device as claimed in claim 1, it is characterised in that：
Wherein, the closure is both provided with frosted interface with the opening, and coordinates c-type sealing fastener to enter by silicone gasket
Row sealing.
4. photoelectrocatalysis reaction experiment device as claimed in claim 1, it is characterised in that：
Wherein, the intake section is air inlet pipe,
One end of the air inlet pipe is stretched into the chamber and is extended downwardly,
The air inlet pipe is 6mm with the external diameter of the exhaust portion.
5. photoelectrocatalysis reaction experiment device as claimed in claim 4, it is characterised in that：
Wherein, the reference electrode mouth, to being provided with polytetrafluoroethylsealed sealed packing ring on electrode ports, working electrode mouth.
6. photoelectrocatalysis reaction experiment device as claimed in claim 1, it is characterised in that：
Wherein, described that platinum electrode is adopted to electrode, the reference electrode is using silver or silver chloride electrode.
7. photoelectrocatalysis reaction experiment device as claimed in claim 1, it is characterised in that：
Wherein, the reference electrode mouth, the external diameter to electrode ports, working electrode mouth are 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611001326.1A CN106556637A (en) | 2016-11-11 | 2016-11-11 | A kind of photoelectrocatalysis reaction experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611001326.1A CN106556637A (en) | 2016-11-11 | 2016-11-11 | A kind of photoelectrocatalysis reaction experiment device |
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| Publication Number | Publication Date |
|---|---|
| CN106556637A true CN106556637A (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611001326.1A Pending CN106556637A (en) | 2016-11-11 | 2016-11-11 | A kind of photoelectrocatalysis reaction experiment device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366004A (en) * | 2017-07-06 | 2017-11-21 | 中山大学 | A kind of stainless steel optical electro-chemistry reaction unit for being provided simultaneously with the online and offline analytic function of gas |
| CN109999743A (en) * | 2019-04-22 | 2019-07-12 | 西安交通大学 | A kind of experimental provision and experimental method of electrical enhanced photocatalysis carbon dioxide methanol |
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| CN104498984A (en) * | 2014-12-15 | 2015-04-08 | 天津大学 | Photoelectric-catalytic water splitting hydrogen generation reaction analysis-detection system and application method of system |
| CN104711627A (en) * | 2013-12-13 | 2015-06-17 | 中国科学院大连化学物理研究所 | Method for preparing hydrogen through photoanode-photovoltaic battery coupled dual-illumination fully-photic-driven decomposition of water |
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| CN2550615Y (en) * | 2002-07-05 | 2003-05-14 | 陈阵 | Steel-plastic composite pipe with protective device at end |
| CN1795534A (en) * | 2003-03-31 | 2006-06-28 | 兰姆研究有限公司 | Wafer clamping apparatus and method for operating the same |
| CN1982204A (en) * | 2005-12-14 | 2007-06-20 | 湖南大学 | Production of hydrogen by catalyzed decomposing magnesium and its mixture doped with other metals |
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| CN102939486A (en) * | 2010-04-30 | 2013-02-20 | 费希尔控制国际公司 | Ball valve seal with dynamic c-seal and static c-seal |
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| CN104498984A (en) * | 2014-12-15 | 2015-04-08 | 天津大学 | Photoelectric-catalytic water splitting hydrogen generation reaction analysis-detection system and application method of system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366004A (en) * | 2017-07-06 | 2017-11-21 | 中山大学 | A kind of stainless steel optical electro-chemistry reaction unit for being provided simultaneously with the online and offline analytic function of gas |
| CN107366004B (en) * | 2017-07-06 | 2023-09-26 | 中山大学 | Stainless steel photoelectrochemical reaction device with gas on-line and off-line analysis functions |
| CN109999743A (en) * | 2019-04-22 | 2019-07-12 | 西安交通大学 | A kind of experimental provision and experimental method of electrical enhanced photocatalysis carbon dioxide methanol |
| CN109999743B (en) * | 2019-04-22 | 2024-04-09 | 西安交通大学 | Experimental device and experimental method for preparing methanol by photoelectrically and cooperatively catalyzing carbon dioxide |
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Application publication date: 20170405 |