CN204294115U - All-weather light electro-catalysis carbon dioxide reduction reaction device - Google Patents
All-weather light electro-catalysis carbon dioxide reduction reaction device Download PDFInfo
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- CN204294115U CN204294115U CN201420744897.4U CN201420744897U CN204294115U CN 204294115 U CN204294115 U CN 204294115U CN 201420744897 U CN201420744897 U CN 201420744897U CN 204294115 U CN204294115 U CN 204294115U
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- light source
- reduction reaction
- light
- reactor body
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
A kind of all-weather light electro-catalysis carbon dioxide reduction reaction device, it comprises catalytic reduction reaction container (1), light-source system (2) and electrochemistry accessory system (3); The utility model, when applying lower bias-voltage field, increases substantially catalytic reduction CO
2efficiency.
Description
Technical field
The utility model belongs to photoelectrocatalysis reaction unit technical field, specifically just relates to a kind of all-weather light electro-catalysis carbon dioxide reduction reaction device.
Background technology
Photoelectrocatalysis reaction refer to photo-generate electron-hole that light irradiation and the semiconductor surface of electrolyte contacts produce to electric field tie by semiconductor/electrolyte be separated afterwards and redox reaction that effects of ion is carried out.Photoelectrocatalysis is a kind of special heterogeneous catalysis.Photocatalysis is using its room temperature deep reaction and can directly utilize solar energy to drive the special performances such as reaction as light source, and becomes a kind of desirable environmental pollution treatment technology and clear energy sources production technology.Photoelectrocatalysis problem in Solar use, target improves the light energy use efficiency that solar energy converts chemical energy to, to obtaining using value.Photoelectrocatalysis better can promote the separation in light induced electron, hole; photoelectrocatalysis fixed nitrogen ammonification; Gu carbon dioxide becomes organic matter; photoelectricity synthetic chemistry medicine and material and utilize photoelectrocatalysis changing waste into valuable, protection of the environment etc. are all the problems of the solar photoelectric catalysis having theoretical and practice significance.But current ubiquitous problem is: light energy use efficiency is low, mostly even less 1% ~ 3%; Catalyst activity is not high enough; Catalyst choice is good not, and be series product distribution mostly, catalyst life falls short of.
Utility model content
The purpose of this utility model is exactly for the low technological deficiency of existing photoelectrocatalysis carbon dioxide reduction reaction device electricity conversion, a kind of all-weather light electro-catalysis carbon dioxide reduction reaction device is provided, when applying lower bias-voltage field, increase substantially catalytic reduction CO
2efficiency.
Technical scheme
In order to realize above-mentioned technical purpose, design all-weather light electro-catalysis carbon dioxide reduction reaction device, it comprises catalytic reduction reaction container, light-source system and electrochemistry accessory system;
Described catalytic reduction reaction container comprises reactor body, described reactor body is by first member plate, right end plate, front side board, back side panel, top cover and base plate are encircled a city one and are sealed box-packed body, described first member plate, right end plate and top cover are all embedded with transparency silica glass plate, the left quartz curette and right quartz curette that communicate with one another is placed with in reactor body, described front side board is provided with air inlet and sample tap, back side panel is provided with gas outlet and reacting gas adds mouth, described air inlet is communicated with by external pipe with gas outlet, connecting pipeline is equipped with circulation air pump is gentle resembles chromatogram, air inlet is positioned at the mouth of pipe inside reactor body and is connected with appendix, appendix immerses in left quartz curette, reactor body inwall is provided with heat-exchange tube, the heat-exchange tube two ends laid respectively on front side board and back side panel pass respectively on cooling tube that the front side board at place and back side panel be connected to outside reactor body and form temperature control closed circuit,
Described light-source system comprises top light source and side light source, and described top light source is positioned at above the embedded quartz glass plate of top cover, and side light source is separately positioned on correspondence position outside first member plate and the embedded quartz glass plate of right end plate;
Described electrochemistry accessory system comprises electrochemical workstation, electrochemical workstation is connected with at least three electrode cables, electrode cable corresponding has working electrode by corresponding seal nipple through being connected to after back side panel, to electrode and reference electrode, working electrode, to lay respectively at electrode and reference electrode in the catalytic reduction reaction district of the correspondence that left quartz curette and right quartz curette are formed.
Further, described reactor body inwall mirror process, is sealed by gasket seal between top cover and first member plate, right end plate, front side board, back side panel.
Further, described left quartz curette and right quartz curette connectivity part are equipped with proton channel film and form working electrode district and to electrode district.
Further, described top light source comprises light source and light source cover, and light source is installed on below light source cover, and light source cover inwall is that minute surface makes source light concentrate in absorption reactor body.
Further, described side light source front end is provided with light source manifold light is taken in reactor body.
Beneficial effect
A kind of all-weather light electro-catalysis carbon dioxide reduction reaction device that the utility model provides, when applying lower bias-voltage field, increases substantially catalytic reduction CO
2efficiency.
Accompanying drawing explanation
Accompanying drawing 1 is the main apparent direction structural representation of the utility model.
Accompanying drawing 2 is that the utility model overlooks direction structure relation connection diagram.
Accompanying drawing 3 is internal electrode connection diagrams in the utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described further.
Embodiment
As shown in accompanying drawing 1 ~ 3, a kind of can under multiple-factor Variable Conditions the photoelectrocatalysis reduction reaction device of efforts, it is characterized in that: it comprises catalytic reduction reaction container 1, light-source system 2 and electrochemistry accessory system 3;
Described catalytic reduction reaction container 1 comprises reactor body 101, described reactor body 101 is by first member plate 102, right end plate 103, front side board 104, back side panel 105, top cover 106 and base plate 107 are encircled a city one and are sealed box-packed body, described first member plate 102, right end plate 103 and top cover 106 are all embedded with transparency silica glass plate 107, the left quartz curette 108 and right quartz curette 109 that communicate with one another is placed with in reactor body 101, described front side board 104 is provided with air inlet 104a and sample tap 104b, back side panel 105 is provided with gas outlet 105a and reacting gas adds mouth 105b, described air inlet 104a is communicated with by external pipe with gas outlet 105a, circulation air pump 110 and chromatography of gases 114 connecting pipeline be equipped with, air inlet 104a is positioned at the mouth of pipe inside reactor body 101 and is connected with appendix 111, appendix 111 immerses in left quartz curette 108, reactor body 101 inwall is provided with heat-exchange tube 112, heat-exchange tube 112 two ends laid respectively on front side board 104 and back side panel 105 pass respectively on cooling tube 113 that the front side board 104 at place and back side panel 105 be connected to outside reactor body 101 and form temperature control closed circuit,
Described light-source system 2 comprises top light source 201 and side light source 202, and described top light source 201 is positioned at above the embedded quartz glass plate 107 of top cover 106, and side light source 202 is separately positioned on correspondence position outside first member plate 102 and the embedded quartz glass plate 107 of right end plate 103; Top light source 201 comprises light source 201a and light source cover 201b, and light source 201a is installed on below light source cover 201b, and light source cover 201b inwall is that minute surface makes source light concentrate in absorption reactor body 101.Side light source 202 front end is provided with light source manifold 202a makes light take in reactor body 101.
Described electrochemistry accessory system 3 comprises electrochemical workstation 301, electrochemical workstation 301 is connected with at least three electrode cables 302,302 ', 302 "; electrode cable 302; 302 '; 302 " by corresponding seal nipple 302a, 302 ' a, 302 " a corresponding having working electrode 303 through being connected to after back side panel 105, to electrode 304 and reference electrode 305, working electrode 303, to lay respectively at electrode 304 and reference electrode 305 in the catalytic reduction reaction district of the correspondence that left quartz curette 108 and right quartz curette 109 are formed.Left quartz curette 108 and right quartz curette 109 connectivity part are equipped with proton channel film 115 and form working electrode district and to electrode district.
Described reactor body 101 inwall mirror process, is sealed by gasket seal between top cover 106 and first member plate 102, right end plate 103, front side board 104, back side panel 105.
Internal liquid phase device is put into shell, shutoff device, by CO
2steel cylinder is connected with 12, ventilation 1h, until stable; Connect circulation air pump, connect 12 air inlets, 17 give vent to anger, and connect according to accompanying drawing 3, reaction of turning on light.
The working electrode material that the utility model reaction unit adopts is TiO
2nTs, preparation process with the pure titanium sheet after polishing and cleaning be working electrode, platinized platinum is to electrode, containing the operating at voltages anodizing 7 hours in 20V in fluoro-electrolyte, then through post processings such as cleaning, dry and annealing, i.e. obtained TiO2 nano-tube array.Be MoS to electrode material
2/ TiO
2nTs, preparation process with the pure titanium sheet after polishing and cleaning be working electrode, platinized platinum is to electrode, diethylene glycol (DEG) containing HF is electrolyte in the operating at voltages anodizing 120 hours of 60V, then through post processings such as cleaning, dry and annealing, i.e. the obtained TiO having spacing
2nano-tube array.Then, by obtained spacing TiO
2nTs puts into the precursor solution of a certain amount of sodium molybdate and thioacetamide, still heat 24 hours, then cleans through isopropyl alcohol, dry up, and obtains MoS
2/ TiO
2nTs.
Reaction condition is photovoltaic reaction 1 hour under applying bias 0.5V, 300W xenon lamp, CO
2conversion ratio is detected by on-line monitoring system, and product liquid is then got electrode reaction liquid 40mL, adds a small amount of anhydrous K
2cO
3, and 1mL Celfume, stir, put into refrigerator purifying 5h, last chromatogram measures product assay.
Electro-catalysis combines for CO with photocatalysis by the utility model
2reduction reaction, utilizes the principle of bias voltage assisted photo-catalysis in electrochemistry, forces electronics displacement, avoid electronics and hole-recombination by the additional constant potential of electrochemical workstation, extends the life-span in hole, thus increases the service time of catalyst, improves CO
2reduction efficiency.
Claims (5)
1. an all-weather light electro-catalysis carbon dioxide reduction reaction device, is characterized in that: it comprises catalytic reduction reaction container (1), light-source system (2) and electrochemistry accessory system (3);
Described catalytic reduction reaction container (1) comprises reactor body (101), described reactor body (101) is by first member plate (102), right end plate (103), front side board (104), back side panel (105), top cover (106) and one, base plate (107) the besieged city box-packed body of sealing, described first member plate (102), right end plate (103) and top cover (106) are all embedded with transparency silica glass plate (102 '), the left quartz curette (108) and right quartz curette (109) that communicate with one another is placed with in reactor body (101), described front side board (104) is provided with air inlet (104a) and sample tap (104b), back side panel (105) is provided with gas outlet (105a) and reacting gas adds mouth (105b), described air inlet (104a) is communicated with by external pipe with gas outlet (105a), circulation air pump (110) and chromatography of gases (114) connecting pipeline be equipped with, air inlet (104a) is positioned at reactor body (101) the inner side mouth of pipe and is connected with appendix (111), appendix (111) immerses in left quartz curette (108), reactor body (101) inwall is provided with heat-exchange tube (112), heat-exchange tube (112) two ends laid respectively on front side board (104) and back side panel (105) pass the front side board (104) at place and back side panel (105) respectively and are connected to that reactor body (101) cooling tube outward (113) is upper forms temperature control closed circuit,
Described light-source system (2) comprises top light source (201) and side light source (202), described top light source (201) is positioned at embedded quartz glass plate (the 102 ') top of top cover (106), and side light source (202) is separately positioned on first member plate (102) and right end plate (103) embedded quartz glass plate (102 ') outside correspondence position;
Described electrochemistry accessory system (3) comprises electrochemical workstation (301), electrochemical workstation (301) is connected with at least three electrode cables (302, 302 ', 302 "), electrode cable (302, 302 ', 302 ") by corresponding seal nipple (302a, 302 ' a, 302 " a) corresponding working electrode (303) is had through being connected to after back side panel (105), to electrode (304) and reference electrode (305), working electrode (303), electrode (304) and reference electrode (305) are laid respectively in the catalytic reduction reaction district of the correspondence that left quartz curette (108) and right quartz curette (109) are formed.
2. a kind of all-weather light electro-catalysis carbon dioxide reduction reaction device as claimed in claim 1, it is characterized in that: described reactor body (101) inwall mirror process, top cover (106) and first member plate (102), right end plate (103), front side board (104), back side panel are sealed by gasket seal between (105).
3. a kind of all-weather light electro-catalysis carbon dioxide reduction reaction device as claimed in claim 1, is characterized in that: described left quartz curette (108) and right quartz curette (109) connectivity part are equipped with proton channel film (115) and form working electrode district and to electrode district.
4. a kind of all-weather light electro-catalysis carbon dioxide reduction reaction device as claimed in claim 1, it is characterized in that: described top light source (201) comprises light source (201a) and light source cover (201b), light source (201a) is installed on light source cover (201b) below, and light source cover (201b) inwall is that minute surface makes source light concentrate in absorption reactor body (101).
5. a kind of all-weather light electro-catalysis carbon dioxide reduction reaction device as claimed in claim 1, is characterized in that: described side light source (202) front end is provided with light source manifold (202a) makes light take in reactor body (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420744897.4U CN204294115U (en) | 2014-12-01 | 2014-12-01 | All-weather light electro-catalysis carbon dioxide reduction reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420744897.4U CN204294115U (en) | 2014-12-01 | 2014-12-01 | All-weather light electro-catalysis carbon dioxide reduction reaction device |
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| Publication Number | Publication Date |
|---|---|
| CN204294115U true CN204294115U (en) | 2015-04-29 |
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ID=53099700
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420744897.4U Withdrawn - After Issue CN204294115U (en) | 2014-12-01 | 2014-12-01 | All-weather light electro-catalysis carbon dioxide reduction reaction device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437303A (en) * | 2014-12-01 | 2015-03-25 | 上海师范大学 | Photoelectrocatalysis reduction reaction device capable of operating under multi-factor variant condition |
| CN110013763A (en) * | 2019-05-20 | 2019-07-16 | 郑州轻工业学院 | A kind of device of carbon dioxide by photoelectric catalytic reduction |
| CN113634119A (en) * | 2021-09-01 | 2021-11-12 | 中国科学院重庆绿色智能技术研究院 | Low-pressure carbon dioxide reduction device and manufacturing and using method thereof |
| WO2021259167A1 (en) * | 2020-06-22 | 2021-12-30 | 西安交通大学 | Electrolyte-side incident photoelectrocatalysis co2 reduction reaction pool |
-
2014
- 2014-12-01 CN CN201420744897.4U patent/CN204294115U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437303A (en) * | 2014-12-01 | 2015-03-25 | 上海师范大学 | Photoelectrocatalysis reduction reaction device capable of operating under multi-factor variant condition |
| CN104437303B (en) * | 2014-12-01 | 2016-01-20 | 上海师范大学 | The photoelectrocatalysis reduction reaction device that can work under multiple-factor Variable Conditions |
| CN110013763A (en) * | 2019-05-20 | 2019-07-16 | 郑州轻工业学院 | A kind of device of carbon dioxide by photoelectric catalytic reduction |
| WO2021259167A1 (en) * | 2020-06-22 | 2021-12-30 | 西安交通大学 | Electrolyte-side incident photoelectrocatalysis co2 reduction reaction pool |
| CN113634119A (en) * | 2021-09-01 | 2021-11-12 | 中国科学院重庆绿色智能技术研究院 | Low-pressure carbon dioxide reduction device and manufacturing and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150429 Effective date of abandoning: 20160120 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |