CN212904646U - Single-thin-layer electrochemical flow cell - Google Patents
Single-thin-layer electrochemical flow cell Download PDFInfo
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- CN212904646U CN212904646U CN202021565408.0U CN202021565408U CN212904646U CN 212904646 U CN212904646 U CN 212904646U CN 202021565408 U CN202021565408 U CN 202021565408U CN 212904646 U CN212904646 U CN 212904646U
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Abstract
The utility model discloses a single thin layer electrochemistry flow-through cell, including last cell body and with the fixed integrative lower cell body of last cell body, go up the cell body and be equipped with the ventilated membrane that blocks water down between the cell body, upward be equipped with reference electrode subassembly, work electrode subassembly and supplementary electrode subassembly on the cell body, be equipped with the filter core down on the cell body, the filter core is in the below of ventilated membrane that blocks water, the top of ventilated membrane that blocks water forms single thin layer electrochemistry cell, is equipped with inlet and liquid outlet on reference electrode subassembly and the supplementary electrode subassembly respectively, through reference electrode subassembly work electrode subassembly with supplementary electrode subassembly carries out the analysis monitoring often to the solution that awaits measuring. The utility model has the advantages that: the improved electrochemical cell is a single-layer cell, so that electrolyte always flows in the form of a liquid film, and monitoring of an electrocatalysis process and detection of a reaction product in real time can be realized.
Description
Technical Field
The utility model relates to the field of chemical instruments, in particular to a single-thin-layer electrochemical flow cell.
Background
Electrochemistry, one of the branches of chemistry, is the science of studying the changes in charging and electron transfer that occur at the interface formed by two types of conductors (electronic conductors, such as metals or semiconductors, and ionic conductors, such as electrolyte solutions). Conventional wisdom holds that electrochemistry is primarily concerned with the interconversion of electrical and chemical energy, such as electrolysis and galvanic cells. However, electrochemistry is not limited to chemical reactions in which electrical energy is generated, but also includes other physicochemical processes such as electrochemical corrosion of metals, and metal displacement reactions in electrolyte solutions, and electrochemistry has now formed a plurality of branches of synthetic electrochemistry, quantum electrochemistry, semiconductor electrochemistry, organic conductor electrochemistry, spectroelectrochemistry, bioelectrochemistry, and the like. Electrochemistry is widely applied to the scientific and technological fields of chemical industry, metallurgy, machinery, electronics, aviation, aerospace, light industry, instruments, medicine, materials, energy, metal corrosion and protection, environmental science and the like. Research topics of great concern in the world, such as energy, materials, environmental protection, life sciences, and the like, are associated with electrochemistry in various ways, and electrochemistry requires a flow cell in which a solution is analyzed and detected during an experimental process.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a single thin layer electrochemistry flow-through cell, it can solve among the prior art electrochemical cell can not realize electrochemistry in the twinkling of an eye the real-time supervision's of reaction process and result shortcoming.
The utility model adopts the following technical scheme:
the utility model provides a single thin layer electrochemistry flow-through cell, includes the cell body and with the fixed integrative lower cell body of last cell body, goes up and is equipped with the ventilated membrane that blocks water between cell body and the lower cell body, upward be equipped with reference electrode subassembly, work electrode subassembly and auxiliary electrode subassembly on the cell body, be equipped with the filter core down on the cell body, the filter core is in the below of the ventilated membrane that blocks water, the top of the ventilated membrane that blocks water forms single thin layer electrochemistry cell, is equipped with inlet and liquid outlet on reference electrode subassembly and the auxiliary electrode subassembly respectively, through reference electrode subassembly work electrode subassembly with auxiliary electrode subassembly carries out the analysis monitoring often to the solution that await.
The water-blocking and air-permeable sewage treatment device further comprises a gasket, and the gasket is arranged between the upper pool body and the water-blocking and air-permeable membrane.
The gasket is a thin film gasket.
The reference electrode assembly and the auxiliary electrode assembly are disposed at both sides of the working electrode assembly.
The reference electrode assembly comprises a reference electrode, a tee joint, a screw cap and a sealing ring, one through hole of the tee joint is communicated and fixed with the upper tank body, the other through hole of the tee joint is connected and fixed with the reference electrode, and the third through hole of the tee joint is a feeding hole. The reference electrode is fixed in the nut, and the nut and the tee joint are sealed through a sealing ring.
The auxiliary electrode assembly comprises an auxiliary electrode, a tee joint, a screw cap and a sealing ring, one through hole of the tee joint is communicated and fixed with the upper tank body, the other through hole of the tee joint is connected and fixed with the auxiliary electrode, and the third through hole of the tee joint is a discharge hole. The auxiliary electrode is fixed in the nut, and the nut and the tee joint are sealed through a sealing ring.
The working electrode assembly comprises a working electrode, a screw cap and a sealing ring, the working electrode is fixed on the screw cap, the other end of the screw cap is fixed on the upper cell body, the sealing ring is arranged between the screw cap and the upper cell body, and sealing is carried out through the sealing ring.
The utility model has the advantages that: the improved electrochemical cell is a single-layer cell, so that electrolyte always flows in the form of a liquid film, and monitoring of an electrocatalysis process and detection of a reaction product in real time can be realized.
Drawings
The invention is explained in more detail below with reference to exemplary embodiments and the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of fig. 1.
Detailed Description
The following further illustrates embodiments of the present invention:
as shown in fig. 1 and 2, the utility model discloses a single thin layer electrochemistry flow-through cell, including last cell body 1 and with last cell body 1 fixed integrative lower cell body 2, go up cell body 1 and be equipped with the ventilated membrane 7 that blocks water down between the cell body 2, upward be equipped with reference electrode subassembly 3, work electrode subassembly 4 and auxiliary electrode subassembly 5 on the cell body 1, the top that blocks water ventilated membrane 7 forms electrochemical cell, and reference electrode subassembly 3 and auxiliary electrode subassembly go up 5 and are equipped with inlet 35 and liquid outlet 55 respectively, through reference electrode subassembly 3 work electrode subassembly 4 with auxiliary electrode subassembly 5 carries out the analysis monitoring often to the solution that awaits measuring, the cell body is equipped with gas outlet down, is sent out through gas outlet by the gas component of being separated out and volatile material.
The utility model discloses still include gasket 6, just gasket 6 is located go up cell body 1 with between the ventilated membrane 7 blocks water. The gasket is a film gasket and is of a hollow structure.
The utility model discloses still include filter core 8, just locate the exit on the filter core 8, just filter core 8 is in the below of the ventilated membrane 7 that blocks water is separated out gas component and volatile material and is filtered the edulcoration through the filter core.
Because the utility model discloses a gasket is in the cell body and blocks water between the ventilated membrane, consequently can block water between the ventilated membrane and last cell body, because the gasket is hollow structure, and the gasket is the film gasket, can form a film cavity at gasket hollow structure part, the solution of storage part to at the inside formation electrochemical cell of gasket, the liquid through this electrochemical cell circulates by inlet and liquid outlet often, consequently forms a single thin layer electrochemistry flow-through cell.
The upper tank body is respectively provided with three through holes, and the reference electrode assembly 3, the working electrode assembly 4 and the auxiliary electrode assembly 5 are respectively communicated through the three through holes.
The reference electrode component 3 comprises a reference electrode 31, a screw cap 32, a sealing ring 33 and a tee 34, wherein one through hole of the tee 34 is fixedly communicated with the upper tank body, the other through hole of the tee 34 is fixedly connected with the reference electrode 31, and the third through hole of the tee 34 is a feed inlet 35. The reference electrode 31 is fixed inside the nut 32, and the nut 32 and the tee are sealed by a seal ring 33.
The working electrode assembly 4 includes a working electrode 41, a nut 42 and a sealing ring 43, the working electrode 41 is fixed on the nut 42, the other end of the nut 42 is fixed on the upper cell body, and the sealing ring 43 is arranged between the nut 42 and the upper cell body, and is used for sealing.
The auxiliary electrode assembly 5 comprises an auxiliary electrode 51, a screw cap 52, a sealing ring 53 and a tee joint 54, wherein one through hole of the tee joint 54 is fixedly communicated with the upper tank body, the other through hole of the tee joint 54 is fixedly connected with the auxiliary electrode 51, and a third through hole of the tee joint 54 is a discharge hole 55. The auxiliary electrode 51 is fixed inside the nut 52, and the nut 52 and the tee are sealed by a seal ring 53.
The utility model provides a both sides of working electrode are located respectively to reference electrode and auxiliary electrode.
The utility model provides a material of ventilated membrane that blocks water is the PTFE material.
The utility model discloses when using, put into working electrode in the middle of last cell body, counter electrode and reference electrode are put into respectively to the left and right sides, and the ventilated membrane that blocks water is spread on the filter core upper berth of cell body down, spreads the one deck gasket again, will go up the cell body with 6 screws at last and screw up with lower cell body, and the equipment is simple and convenient.
The utility model discloses an upper reaches are arranged in to eccentric single thin-layer pond working electrode in, and low reaches are arranged in to the filter core, and working electrode is the reaction in the upper reaches, flows to the low reaches after the result enrichment and is taken out the entering detector, is favorable to the detection of trace electrochemistry result.
The utility model discloses a theory of operation does: a single-thin-layer electrochemical flow cell is formed among the upper cell body, the lower cell body, the gasket and the water-blocking and breathable film, a solution to be measured enters the single-thin-layer electrochemical flow cell from a tee joint of the reference electrode, then flows out from a tee joint outlet of the auxiliary electrode, and is measured through the working electrode in the single-thin-layer electrochemical flow cell. The design of the liquid inlet tee joint and the liquid outlet tee joint of the utility model reduces the number of the openings of the upper cell body and the leakage points, ensures the formation of electrolyte liquid film by using the ultrathin gasket, and can realize the monitoring of the electrocatalysis process and the detection of real-time reaction products; the PTFE water-blocking and breathable film is used, so that gas components and volatile substances in a solution can be separated, products of the electrochemical cell are generated in real time and are immediately pumped away for detection, and products with extremely small product generation amount cannot reach the detection lower limit of an instrument and cannot be detected by the instrument.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The single-thin-layer electrochemical flow cell is characterized by comprising an upper cell body and a lower cell body which is fixed with the upper cell body into a whole, wherein a water-blocking breathable film is arranged between the upper cell body and the lower cell body, a reference electrode assembly, a working electrode assembly and an auxiliary electrode assembly are arranged on the upper cell body, the single-thin-layer electrochemical cell is formed above the water-blocking breathable film, a liquid inlet and a liquid outlet are respectively arranged on the reference electrode assembly and the auxiliary electrode assembly, and a gas outlet is formed in the lower cell body.
2. The single-thin layer electrochemical flow cell of claim 1, further comprising a gasket, wherein the gasket is disposed between the upper cell body and the water and gas permeable membrane.
3. The single-layer electrochemical flow cell of claim 2, wherein the gasket is a membrane gasket.
4. The single-layer electrochemical flow cell of claim 1, further comprising a filter element, wherein the filter element is disposed at the outlet and is located below the water-blocking gas-permeable membrane.
5. The single-layer electrochemical flow cell of claim 1, wherein the reference electrode assembly and the auxiliary electrode assembly are disposed on opposite sides of the working electrode assembly.
6. The single-layer electrochemical flow cell according to claim 1, wherein the reference electrode assembly comprises a reference electrode, a tee, a nut and a sealing ring, one through hole of the tee is fixedly connected to the upper cell body, the other through hole of the tee is fixedly connected to the reference electrode, and the third through hole of the tee is a feeding hole.
7. The single-layer electrochemical flow cell according to claim 1, wherein the auxiliary electrode assembly comprises an auxiliary electrode, a tee joint, a nut and a sealing ring, one through hole of the tee joint is fixedly communicated with the upper cell body, the other through hole of the tee joint is fixedly connected with the auxiliary electrode, and the third through hole of the tee joint is a discharge hole.
8. The single-layer electrochemical flow cell of claim 1, wherein the working electrode assembly comprises a working electrode, a nut, and a sealing ring, the working electrode is secured to the nut, the other end of the nut is secured to the upper cell body, and the sealing ring is disposed between the nut and the upper cell body, and is sealed by the sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021565408.0U CN212904646U (en) | 2020-07-31 | 2020-07-31 | Single-thin-layer electrochemical flow cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021565408.0U CN212904646U (en) | 2020-07-31 | 2020-07-31 | Single-thin-layer electrochemical flow cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212904646U true CN212904646U (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021565408.0U Active CN212904646U (en) | 2020-07-31 | 2020-07-31 | Single-thin-layer electrochemical flow cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212904646U (en) |
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2020
- 2020-07-31 CN CN202021565408.0U patent/CN212904646U/en active Active
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