CN206788099U - A kind of electrochemical testing device of measurable current efficiency - Google Patents
A kind of electrochemical testing device of measurable current efficiency Download PDFInfo
- Publication number
- CN206788099U CN206788099U CN201720494339.0U CN201720494339U CN206788099U CN 206788099 U CN206788099 U CN 206788099U CN 201720494339 U CN201720494339 U CN 201720494339U CN 206788099 U CN206788099 U CN 206788099U
- Authority
- CN
- China
- Prior art keywords
- current efficiency
- electrode
- testing device
- electrochemical testing
- measurable current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The technical field of current efficiency test is the utility model is related to, in particular to a kind of electrochemical testing device of measurable current efficiency, including three-electrode cell（1）, reference electrode（4）And recording equipment（11）, three-electrode cell（1）Side be provided with measurement pipe（10）, three-electrode cell（1）Take the shape of the letter U structure, and the U-shaped structure middle part is provided with amberplex（7）；Three-electrode cell（1）Measurement pipe is set（10）Side be provided with by reference electrode（4）, salt bridge（6）With Luggin capillary（5）The reference electrode system of composition, measurement error are small.The test device is additionally provided with recording equipment（11）, can gas flow caused by accurate measurement gassing side reaction, so as to calculate kinetic current efficiency.
Description
Technical field
The technical field of current efficiency test is the utility model is related to, in particular to a kind of measurable current efficiency
Electrochemical testing device.
Background technology
When current efficiency refers to occur electrochemical reaction, when certain electricity is by electrode, the product quality (m actually obtained
The ratio between product quality (m is theoretical) that actually) and should be obtained according to faraday law.
General water system electrochemical process is carried out with reaction, because reactant concentration changes, the factor such as polarization phenomena, all can
Along with liberation of hydrogen, analysis oxygen side reaction, generally product quality difference or concentration difference and reality before and after electrochemical reaction are obtained through measuring record
The accumulative electricity of border reaction, compares calculating and obtains current efficiency.This method cycle is grown, and reaction product quality difference has filtering cleaning damage
Lose, dry the problems such as denaturation, concentration difference relatively further relates to complicated measurement process, suitable for lab scale or industrialized production.Existing aluminium
Electrolysis industry can conveniently obtain current efficiency by the on-Line Monitor Device of gas production, flow analysis, PC processing combinations, but
It is expensive, suitable for large-minded and continuous reaction.But the analysis of the electrochemistry cyclic voltammetric of laboratory research, linear scan
The processes such as analysis, because electrode area is small, reaction product quality and change in concentration are small, or even many research objects are coated on electrode
On, measurement error is big, causes current efficiency dyscalculia.
Such as the Chinese invention patent that Authorization Notice No. is the B of CN 103388149, it discloses a kind of sacrificial anode electrification
Performance testing device is learned, thermostat is connected by external circulating pump with temperature control groove, and thermostat is built with isothermal liquid；Follow
One end of ring waterpipe is fixedly connected with the top of thermostat, and the other end is connected with temperature control groove delivery port；Temperature control groove
Electrolytic cell is inside placed with, the fixation of electrolytic cell centre is formed with transverse slat, tough cathode, reference electrode reference electrode plug and sample are formed with transverse slat and is inserted
Hole；Blow vent is formed with electrolytic cell, dividing plate is formed between adjacent electrolytic cell；Opened on the electrolytic cell of the rightmost side and be formed with electrolytic cell and go out
The mouth of a river；External current air-breather increases air pump by adjustable multi-hole and formed；Industrial computer provides switch module, universal meter for experiment
Module, data acquisition module and Survey Software；Its general structure is simple, and design principle is reliable, and use is easy to operate, and detection is accurate
Spend, automaticity is high, environment-friendly, suitable for different sacrificial anode materials.But the test device be by gas production,
Flow analysis, the on-Line Monitor Device of PC processing combinations can conveniently obtain current efficiency, expensive, suitable for tolerance
Big and continuous reaction, narrow application range.
Utility model content
In order to solve above-mentioned technological deficiency existing for prior art, the purpose of this utility model is to provide a kind of measurable
The electrochemical testing device of current efficiency, solve the problems, such as complicated, expensive in the prior art.
In order to realize above-mentioned purpose of design, the scheme that the utility model uses is as follows：
A kind of electrochemical testing device of measurable current efficiency, including three-electrode cell, reference electrode and record are set
Standby, the side of three-electrode cell is provided with measurement pipe, and the three-electrode cell is taken the shape of the letter U structure, and the U-shaped structure middle part is set
There is amberplex, so as to prevent gas-liquid from ganging up；Three-electrode cell sets the side of measurement pipe to be provided with by reference electrode, salt bridge
With the reference electrode system of Luggin capillary composition.Test device of the present utility model has that simple in construction, measurement error is small
Feature.
Before carrying out electro-chemical test, each part is installed in place and even good wire is required according to test equipment, opens work
Valve in the air inlet pipe of the polytetrafluoro plug of electrode, inflated in right amount with ear washing bulb, syringe etc., rise to measurement pipe fluid column
During more than lower graduation mark close air inlet pipe on valve, then finely tune open air inlet pipe on valve, make measurement pipe fluid column fall after rise to
Lower graduation mark, followed by electro-chemical test, open record equipment, gassing side reaction occurs during test reaction, survey
The liquid level of buret rises, and it is gassing volume to read rising scale, so as to accurate calculating current efficiency.
Preferably, the recording equipment is high speed camera or the electronic equipment for having recording function, carries out recording liquid level number
The change of value.
In any of the above-described scheme preferably, the both ends of the U-shaped structure of the three-electrode cell are equipped with polytetrafluoro
Plug, is sealed to electrolytic cell, while fixed other parts.
In any of the above-described scheme preferably, the both sides of the U-shaped structure of the three-electrode cell are respectively equipped with auxiliary
Electrode and working electrode.Inflated in advance it should be noted that being set in the test device use, make the ullage of working electrode
Air chamber is with pressure, is not responding to problem the initial stage caused by gas compression so as to eliminate, micro indeterminable problem.
In any of the above-described scheme preferably, the working electrode is positioned at the side for setting measurement pipe.
In any of the above-described scheme preferably, the polytetrafluoro plug of the working electrode side is provided with air inlet pipe.
In any of the above-described scheme preferably, the measurement pipe is provided with 0~2mL graduation marks, precision 0.1mL.
In any of the above-described scheme preferably, the air inlet pipe is provided with valve.
In any of the above-described scheme preferably, the polytetrafluoro of the auxiliary electrode side is provided with airway tube beyond the Great Wall.
In any of the above-described scheme preferably, the three-electrode cell selects clear perspex material.
Brief description of the drawings
Fig. 1 is the knot according to a preferred embodiment of the electrochemical testing device of measurable current efficiency of the present utility model
Structure schematic diagram.
Drawing reference numeral：
Three-electrode cell 1, auxiliary electrode 2, working electrode 3, reference electrode 4, Luggin capillary 5, salt bridge 6, ion are handed over
Change film 7, airway tube 8, air inlet pipe 9, measurement pipe 10, recording equipment 11, polytetrafluoro plug 12.
Embodiment
It is that the following description is substantially merely exemplary and be not intended to limit the disclosure, application or purposes.Below
The embodiment of the electrochemical testing device of the measurable current efficiency of the utility model is made into one with reference to Figure of description
The explanation of step.
It is as shown in figure 1, preferred according to the one of a kind of electrochemical testing device of measurable current efficiency of the present utility model
The structural representation of embodiment.
A kind of electrochemical testing device of measurable current efficiency of the present utility model, including three-electrode cell 1, reference
Electrode 4 and recording equipment 11, the side of three-electrode cell 1 are provided with measurement pipe 10, and the three-electrode cell 1 takes the shape of the letter U structure,
The U-shaped structure middle part is provided with amberplex 7, so as to prevent gas-liquid from ganging up；Three-electrode cell 1 sets measurement pipe 10
Side polytetrafluoro plug is further fixed on the reference electrode system being made up of reference electrode 4, salt bridge 6 with Luggin capillary 5.This practicality is new
The test device of type has the characteristics of simple in construction, measurement error is small.
In the present embodiment, the recording equipment 11 is high speed camera or the electronic equipment for having recording function, is recorded
The change of liquid level numerical value.
In the present embodiment, the both ends of the U-shaped structure of the three-electrode cell 1 are equipped with polytetrafluoro plug 12, to electrolysis
Pond is sealed, while fixed other parts.
In the present embodiment, the both sides of the U-shaped structure of the three-electrode cell 1 are respectively equipped with auxiliary electrode 2 and work
Electrode 3.Inflated in advance it should be noted that being set in the test device use, make the ullage air chamber band of working electrode 3
Pressure, is not responding to problem the initial stage caused by gas compression, micro indeterminable problem so as to eliminate.
In the present embodiment, the working electrode 3 is positioned at the side for setting measurement pipe 10.
In the present embodiment, the polytetrafluoro plug of the side of working electrode 3 is provided with air inlet pipe 9.
In the present embodiment, the measurement pipe 10 is provided with 0~2mL graduation marks, precision 0.1mL.
In the present embodiment, the air inlet pipe 9 is provided with valve.
In the present embodiment, the polytetrafluoro plug 12 of the side of auxiliary electrode 2 is provided with airway tube 8.
In the present embodiment, the three-electrode cell 1 selects clear perspex material.
The course of work of the electrochemical testing device of measurable current efficiency of the present utility model is：Before electro-chemical test,
Into three-electrode cell 1 plus appropriate electrolyte, by schematic diagram with polytetrafluoro plug 12 by auxiliary electrode 2, working electrode 3 and Lu Jin
Capillary 5 is sealingly fastened in three-electrode cell 1, the sophisticated alignment work electrode 3 of Luggin capillary 5, and by salt bridge 6, reference electricity
Pole 4 is sequentially ingressed into Luggin capillary 5.
Even good wire is required according to test equipment, opens the valve in the air inlet pipe 9 on the polytetrafluoro plug 12 of working electrode 3
Door, is inflated in right amount with ear washing bulb, syringe etc., the fluid column of measurement pipe 10 is closed air inlet pipe 9 when being increased over lower graduation mark
On valve, then finely tune open air inlet pipe 9 valve, the fluid column of measurement pipe 10 is fallen after rise to lower graduation mark, followed by electrification
Learn test.Open record equipment 11, gassing side reaction occurs during test reaction, the gas in auxiliary electrode 2 is by leading
Tracheae 8 is discharged, and working electrode 3, which produces gas, causes the liquid level of measurement pipe 10 to rise, and it is gassing volume to read rising scale.According to
Gassing bulking value, which can be converted into, occurs electricity corresponding to gassing side reaction, and the accumulative electricity of test equipment record, calculates anti-
Induced current efficiency.
It will be apparent to those skilled in the art that the electrochemical testing device of measurable current efficiency of the present utility model includes
Any combination of each several part in this specification.As space is limited and in order that specification is concise, herein not by these combinations one by one
It is discussed in detail, but after having seen this specification, any combination of each several part being made up of this specification forms of the present utility model
Scope is self-evident.
Claims (10)
1. a kind of electrochemical testing device of measurable current efficiency, including three-electrode cell（1）, reference electrode（4）And note
Recording apparatus（11）, three-electrode cell（1）Side be provided with measurement pipe（10）, it is characterised in that：Three-electrode cell（1）In U
Shape structure, the U-shaped structure middle part are provided with amberplex（7）；Three-electrode cell（1）Measurement pipe is set（10）Side
Provided with by reference electrode（4）, salt bridge（6）With Luggin capillary（5）The reference electrode system of composition.
2. the electrochemical testing device of measurable current efficiency as claimed in claim 1, it is characterised in that：Recording equipment（11）
For high speed camera or the electronic equipment of tool recording function.
3. the electrochemical testing device of measurable current efficiency as claimed in claim 1, it is characterised in that：Three-electrode cell
（1）The both ends of U-shaped structure be equipped with polytetrafluoro plug（12）.
4. the electrochemical testing device of the measurable current efficiency as described in claim 1 or 3, it is characterised in that：Three electrodes electricity
Xie Chi（1）The both sides of U-shaped structure be respectively equipped with auxiliary electrode（2）And working electrode（3）.
5. the electrochemical testing device of measurable current efficiency as claimed in claim 4, it is characterised in that：Working electrode（3）
Positioned at setting measurement pipe（10）Side.
6. the electrochemical testing device of measurable current efficiency as claimed in claim 4, it is characterised in that：Working electrode（3）
The polytetrafluoro plug of side is provided with air inlet pipe（9）.
7. the electrochemical testing device of measurable current efficiency as claimed in claim 1, it is characterised in that：Measurement pipe（10）On
Provided with 0~2mL graduation marks, precision 0.1mL.
8. the electrochemical testing device of measurable current efficiency as claimed in claim 6, it is characterised in that：Air inlet pipe（9）On
Provided with valve.
9. the electrochemical testing device of measurable current efficiency as claimed in claim 4, it is characterised in that：Auxiliary electrode（2）
The polytetrafluoro plug of side（12）It is provided with airway tube（8）.
10. the electrochemical testing device of measurable current efficiency as claimed in claim 4, it is characterised in that：Three electrolysis
Pond（1）From clear perspex material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720494339.0U CN206788099U (en) | 2017-05-05 | 2017-05-05 | A kind of electrochemical testing device of measurable current efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720494339.0U CN206788099U (en) | 2017-05-05 | 2017-05-05 | A kind of electrochemical testing device of measurable current efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206788099U true CN206788099U (en) | 2017-12-22 |
Family
ID=60710637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720494339.0U Expired - Fee Related CN206788099U (en) | 2017-05-05 | 2017-05-05 | A kind of electrochemical testing device of measurable current efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206788099U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110196223A (en) * | 2019-07-01 | 2019-09-03 | 青岛双瑞海洋环境工程股份有限公司 | The experimental method and device of sacrificial anode electrochemical performance under hot environment |
| CN113186534A (en) * | 2021-04-30 | 2021-07-30 | 山西银光华盛镁业股份有限公司 | Rapid determination method for current efficiency of Mg-Mn sacrificial anode material |
| CN113514514A (en) * | 2021-07-09 | 2021-10-19 | 厦门大学 | Electrolytic cell for carbon neutralization test and application thereof |
-
2017
- 2017-05-05 CN CN201720494339.0U patent/CN206788099U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110196223A (en) * | 2019-07-01 | 2019-09-03 | 青岛双瑞海洋环境工程股份有限公司 | The experimental method and device of sacrificial anode electrochemical performance under hot environment |
| CN110196223B (en) * | 2019-07-01 | 2024-04-30 | 青岛双瑞海洋环境工程股份有限公司 | Experimental method and device for sacrificial anode electrochemical performance in high-temperature environment |
| CN113186534A (en) * | 2021-04-30 | 2021-07-30 | 山西银光华盛镁业股份有限公司 | Rapid determination method for current efficiency of Mg-Mn sacrificial anode material |
| CN113514514A (en) * | 2021-07-09 | 2021-10-19 | 厦门大学 | Electrolytic cell for carbon neutralization test and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206788099U (en) | A kind of electrochemical testing device of measurable current efficiency | |
| CN103293094B (en) | A kind of electro-chemical measuring apparatus and using method thereof that quantitatively can change thickness of liquid film | |
| CN212364175U (en) | Heavy metal ion rapid detection platform | |
| CN105547989A (en) | Electrochemical testing experimental device for dynamic corrosion of metal | |
| CN107367542A (en) | Portable flow field type electrode heavy metal ion detection device and electrode card | |
| CN108666600A (en) | A kind of all-vanadium flow battery SOC detection methods measured based on heat chemistry | |
| CN206671248U (en) | A kind of electrochemical testing device | |
| JPS638423B2 (en) | ||
| CN203310734U (en) | Electrochemical measurement device capable of quantitatively changing thickness of liquid membrane | |
| CN103048219B (en) | Analytical method of iodine-containing hydriodic acid concentration | |
| CN102455310B (en) | Device for measuring surface resistance of ion exchange membrane through AC (alternating current) method | |
| CN207528605U (en) | A kind of ion penetration resistance of concrete measuring device | |
| RU188416U1 (en) | Sensor for measuring the concentration of oxygen, hydrogen and humidity of gas mixtures | |
| CN206096028U (en) | Micro -fluidic displaceable cavity structures's self calibration ocean multi -parameter chemical sensor | |
| CN201222049Y (en) | Frequency conversion type oxygen sensor | |
| CN103412192B (en) | A kind of pure water conductivity measurement system | |
| CN205879855U (en) | Multifunctional testing device | |
| CN106706744B (en) | A kind of electrochemical detection device and its processing method and purposes | |
| RU186174U1 (en) | Device for rapid assessment of gas permeability of proton-conducting membrane of a fuel cell | |
| CN112067682A (en) | Online dissolved oxygen meter zero calibration system and method | |
| CN208795326U (en) | A kind of general floating ball resistance type liquidometer | |
| CN105716682A (en) | Gas production rate testing system for methane project | |
| CN205449211U (en) | Biogas engineering gas production test system | |
| US2993846A (en) | Method for dissolved oxygen determination | |
| CN204789457U (en) | Micro -moisture tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171222 Termination date: 20180505 |