CN111595913A - Micro-array porous electrolytic cell - Google Patents

Micro-array porous electrolytic cell Download PDF

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Publication number
CN111595913A
CN111595913A CN202010630561.5A CN202010630561A CN111595913A CN 111595913 A CN111595913 A CN 111595913A CN 202010630561 A CN202010630561 A CN 202010630561A CN 111595913 A CN111595913 A CN 111595913A
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electrode
electrolytic cell
array
working
working electrode
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CN111595913B (en
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李红姬
翟鹏飞
李明吉
李翠平
刘翼
杨保和
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South China Agricultural University
Tianjin University of Technology
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South China Agricultural University
Tianjin University of Technology
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/28Electrolytic cell components
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/36Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

Abstract

The invention relates to a micro-array porous electrolytic cell, which relates to the technical field of electrochemical sensors, and comprises a plurality of array electrodes and a plurality of electrolytic cells connected in parallel; a reference electrode is fixed at the bottom of each electrolytic cell, and the electrolytic cells are used for containing electrolyte and the array electrodes; each array electrode comprises a conducting layer, an electrode fixing frame, a working electrode and an auxiliary electrode; the conducting layer is sleeved on the electrode fixing frame in a penetrating mode, the auxiliary electrode is fixed at the center of the electrode fixing frame, the working electrode is installed on the electrode fixing frame and the conducting layer, and the working electrode is located on the periphery of the auxiliary electrode. The invention can realize the purpose of simultaneously measuring a plurality of electrolytes.

Description

Micro-array porous electrolytic cell
Technical Field
The invention relates to the technical field of electrochemical sensors, in particular to a micro-array porous electrolytic cell.
Background
A conventional electrolytic cell generally comprises a counter electrode, a working electrode (two-electrode system) and a container for electrolyte (three-electrode system has a reference electrode in addition to two-electrode system). The traditional electrolytic cell has large volume, needs more electrolyte each time, and needs to detect different types of electrolyte for multiple times; meanwhile, only one working electrode can be used for testing each time, namely the testing working electrode is single in type and low in testing sensitivity.
Disclosure of Invention
The invention aims to provide a micro-array porous electrolytic cell to achieve the purpose of simultaneously measuring multiple electrolytes.
In order to achieve the purpose, the invention provides the following scheme:
a micro-array porous electrolytic cell comprises a plurality of array electrodes and a plurality of electrolytic cells which are connected in parallel;
a reference electrode is fixed at the bottom of each electrolytic cell, and the electrolytic cells are used for containing electrolyte and the array electrodes; each array electrode comprises a conducting layer, an electrode fixing frame, a working electrode and an auxiliary electrode; the conducting layer is sleeved on the electrode fixing frame in a penetrating mode, the auxiliary electrode is fixed to the center of the electrode fixing frame, the working electrode is installed on the electrode fixing frame and the conducting layer, and the working electrode is located on the periphery of the auxiliary electrode.
Optionally, the microarray porous electrolytic cell further comprises a switch circuit, and the switch circuit is respectively connected with the reference electrode and the working electrode.
Optionally, one of the electrolytic cells is connected in parallel with the other electrolytic cell through the switching circuit.
Optionally, the microarray porous electrolytic cell further comprises an external copper sheet, and the working electrode is connected with the switch circuit through the external copper sheet.
Optionally, the array electrode further comprises a fixed rotary vane, and the fixed rotary vane is fixed on the electrode fixing support through threads; the conducting layer is positioned between the electrode fixing frame and the fixing rotary sheet; the fixed rotary sheet is used for fixing the working electrode on the electrode fixing frame and the conducting layer.
Optionally, the number of the electrolytic cells is equal to the number of the array electrodes.
Optionally, a plurality of working electrodes are provided; the working electrode is a right-angle electrode.
Optionally, the conductive layer and the electrode fixing frame are both provided with small holes; the aperture defines a mounting location for the working electrode.
Optionally, the auxiliary electrode is a platinum wire electrode; the reference electrode is a platinum wire electrode.
Optionally, the micro-array porous electrolytic cell further comprises a reference electrode binding post, a working electrode binding post and an auxiliary electrode binding post; the reference electrode binding post and the working electrode binding post are respectively arranged on one side of the electrolytic cell; the auxiliary electrode binding post is arranged on the fixed rotary piece; the reference electrode is connected with the reference electrode wiring terminal; the working electrode is connected with the working electrode binding post; the auxiliary electrode is connected with the auxiliary electrode binding post.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the micro-array porous electrolytic cell provided by the invention realizes the purpose of simultaneously measuring various electrolytes by arranging a plurality of array electrodes and a plurality of electrolytic cells connected in parallel. In addition, the plurality of electrolytic cells are connected in parallel, so that not only can independent work of a single electrolytic cell be realized, but also the technical effect that the plurality of electrolytic cells work simultaneously can be realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural view of a micro-array porous electrolytic cell according to the present invention;
FIG. 2 is a schematic diagram of the micro-array multi-hole electrolytic cell of the present invention with array electrodes;
FIG. 3 is a schematic diagram of the structure of an array electrode of the micro-array porous electrolytic cell of the present invention;
FIG. 4 is a schematic structural view of a fixing rotor of the micro-array porous electrolytic cell of the present invention;
FIG. 5 is a schematic diagram of the structure of the conductive layer of the micro-array porous electrolytic cell of the present invention;
FIG. 6 is a schematic structural diagram of an electrode holder of the micro-array porous electrolytic cell according to the present invention;
FIG. 7 shows the scanning speed of the single working electrode in the micro-array multi-hole electrolytic cell of the present invention is 20, 50, 80, 100, 200mV s-1CV diagram below;
FIG. 8 shows the scanning speed of 8 working electrodes in a single electrolytic cell of the micro-array multi-hole electrolytic cell of the invention at 20, 50, 80, 100, 200mV s-1CV diagram below;
FIG. 9 shows the scanning speed of 8 working electrodes of a plurality of electrolytic cells in a micro-array multi-hole electrolytic cell of the invention at 20, 50, 80, 100, 200mV s-1CV diagram below;
FIG. 10 is a schematic diagram of the structure of the working electrode of the micro-array multi-hole electrolytic cell of the present invention.
Description of the symbols:
the device comprises an electrolytic cell 1, a switch circuit 2, an array electrode 3, an electrode fixing frame 4, a conducting layer 5, a fixing rotary sheet 6, a copper column 7, a working electrode 8, an auxiliary electrode 9, a reference electrode 10, a working electrode binding post 11 and a reference electrode binding post 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a micro-array porous electrolytic cell to achieve the purpose of simultaneously measuring multiple electrolytes.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example one
As shown in fig. 1 and fig. 2, the present embodiment provides a micro-array porous electrolytic cell comprising a plurality of array electrodes, and a plurality of electrolytic cells 1 connected in parallel. A reference electrode 10 is fixed at the bottom of each electrolytic cell 1, and the electrolytic cells 1 are used for containing electrolyte and the array electrodes 3; as shown in fig. 3, each of the array electrodes includes a conductive layer 5, an electrode holder 4, a working electrode 8, and an auxiliary electrode 9; the conducting layer 5 is sleeved on the electrode fixing frame 4 in a penetrating mode, the auxiliary electrode 9 is fixed to the center of the electrode fixing frame 4, the working electrode 8 is installed on the electrode fixing frame 4 and the conducting layer 5, and the working electrode 8 is located on the periphery of the auxiliary electrode 9.
In practical application, the microarray porous electrolytic cell further comprises a switch circuit 2, and the switch circuit 2 is respectively connected with the reference electrode 10 and the working electrode 8.
In practical application, one of the electrolytic cells 1 is connected in parallel with the other electrolytic cell 1 through the switch circuit 2.
In practical application, the microarray porous electrolytic cell further comprises an external copper sheet, and the working electrode 8 is connected with the switch circuit 2 through the external copper sheet.
In practical application, the array electrode 3 further comprises a fixed rotary vane 6 as shown in fig. 4, and the fixed rotary vane 6 is fixed on the electrode fixing support 4 through threads; the conductive layer 5 shown in fig. 5 is located between the electrode holder 4 and the fixing rotor 6 shown in fig. 6; the fixing rotary vane 6 is used for fixing the working electrode 8 on the electrode fixing frame 4 and the conducting layer 5.
In practical application, the number of the electrolytic cells 1 is equal to that of the array electrodes 3.
In practical application, a plurality of working electrodes 8 are arranged; the working electrode 8 is a right-angle electrode.
In practical application, the conducting layer 5 and the electrode fixing frame 4 are both provided with small holes; the small hole is used for limiting the installation position of the working electrode 8, namely, the working electrode 8 is installed on the conducting layer 5 and the electrode fixing frame 4 through the small hole.
In practical application, the auxiliary electrode 9 is a platinum wire electrode; the reference electrode 10 is a platinum wire electrode.
In practical application, the micro-array porous electrolytic cell further comprises a reference electrode binding post 12, a working electrode binding post 11 and an auxiliary electrode binding post; the reference electrode binding post 12 and the working electrode binding post 11 are respectively arranged on one side of the electrolytic cell 1; the auxiliary electrode binding post is arranged at the central position of the fixed rotary vane 6; the reference electrode 10 is connected with the reference electrode post 12; the working electrode 8 is connected with the working electrode binding post 11; the auxiliary electrode 9 is connected with the auxiliary electrode terminal.
Example two
This example provides an embodiment of a micro-array multi-well cell. The micro-array porous electrolytic cell has the advantages of capability of simultaneously measuring various solutions, rich types of working electrodes and less amount of electrolyte required by each detection.
(1) Structure of micro-array porous electrolytic cell
As shown in fig. 1, the microarray porous electrolytic cell provided in this embodiment includes four electrolytic cells 1 and four array electrodes 3 and a switching circuit 2. A platinum wire is fixed at the bottom of each electrolytic cell 1 and is connected to the switch circuit 2 through a lead, and each electrolytic cell 1 can work independently or simultaneously by a plurality of electrolytic cells 1; each electrolytic cell 1 is provided with an array electrode 3, the array electrode 3 is sequentially composed of a fixed rotary vane 6 at the top, a copper sheet conducting layer 5 at the middle part and an electrode fixing frame 4 at the bottom, and the electrode fixing frame 4 is provided with threads so as to be convenient for installing the conducting layer 5 and the fixed rotary vane 6. The conductive layer 5 is connected to the switching circuit 2. An auxiliary electrode 9 at the center of the array electrode 3 is fixed on the electrode fixing frame 4, the upper part of the array electrode is led out by a copper column 7, namely the auxiliary electrode 9 is led out by an auxiliary electrode binding post, wherein the auxiliary electrode 9 is a platinum wire electrode; 8 peripheral working electrode 8 can be dismantled, can be as required removable different kinds of electrode at every turn, and during installation working electrode 8, insert the working electrode 8 of right angle type in the aperture, screw up the fixed 6 screw in of spinning plate at top, alright fix working electrode 8, include a plurality of switches in the switching circuit 2, electrolytic bath 1 of every on-off control.
(2) Working principle of independent work of single electrolytic cell 1
Taking the independent operation of the first electrolytic cell as an example, the manufactured working electrode 8 is arranged on an electrode fixing frame 4 to form a group of array electrodes 3, corresponding electrolyte is added into the first electrolytic cell, the array electrodes 3 are arranged on the first electrolytic cell, a reference electrode lead of an electrochemical workstation is connected with a reference electrode binding post 12 at the bottom of a micro array porous electrolytic cell, a working electrode lead of the electrochemical workstation is connected with a working electrode binding post 11 of the micro array porous electrolytic cell, and an auxiliary electrode lead of the electrochemical workstation is connected with a platinum wire electrode at the center of the array electrodes 3 of the micro array porous electrolytic cell to form a three-electrode system. The first switch in the switching circuit 2 is opened and the first electrolytic cell starts to operate.
(3) Working principle of simultaneous operation of a plurality of electrolytic cells 1
Taking the simultaneous operation of the first electrolytic cell and the second electrolytic cell as an example, the manufactured working electrodes 8 are respectively arranged on the electrode fixing frames 4 corresponding to the first electrolytic cell and the second electrolytic cell to form two groups of array electrodes 3, the method comprises the following steps of adding corresponding electrolyte into a first electrolytic cell and a second electrolytic cell, respectively arranging two groups of array electrodes 3 on the first electrolytic cell and the second electrolytic cell, connecting a reference electrode lead of an electrochemical workstation with a reference electrode binding post 12 at the bottom of a micro array porous electrolytic cell, connecting a working electrode lead of the electrochemical workstation with a working electrode binding post 11 of the micro array porous electrolytic cell, and connecting an auxiliary electrode lead of the electrochemical workstation with a platinum wire electrode at the center of the array electrode 3 of the micro array porous electrolytic cell through the auxiliary electrode binding post to form a three-electrode system. The first switch and the second switch of the switching circuit 2 are opened, and the first electrolytic cell and the second electrolytic cell start to operate.
The line connection mode of the electrochemical workstation is kept unchanged, the third switch of the switch circuit 2 is opened to enable the third electrolytic cell to start working, and any switch is closed to enable the corresponding electrolytic cell to stop working. By analogy, different electrolytic cells can be combined at will to work simultaneously.
Preparation of graphene working electrode
Processing the tantalum wire: bending 6 tantalum wires with the length of 18.5cm and the diameter of 0.6mm to form two hooks at two sides of each tantalum wire by using clean tweezers, and wiping the hooks by using dust-free cloth dipped with absolute ethyl alcohol to remove dirt on the surfaces of the tantalum wires.
Hanging tantalum wires: and hanging the six wiped tantalum wires on the middle part of a copper frame of a hot wire CVD and diamond combined deposition system by using springs respectively, penetrating the tantalum wires from the lower part by using a molybdenum rod, straightening the tantalum wires, and descending the chamber.
Injecting gas after vacuumizing: and opening a DL-18 type closed cooling water unit, then carrying out vacuum pumping treatment on the hot wire CVD and diamond combined deposition system, stopping vacuum pumping when the air pressure is reduced to about 5Pa to 6Pa, and injecting nitrogen and absolute ethyl alcohol in a certain proportion into the hot wire CVD and diamond combined deposition system.
Adding current: when the pressure in the chamber rises to 31torr, the tantalum wire in the hot wire CVD and diamond combined deposition system is electrified by using a JDCY-20-500 type alternating current filament power supply, and when the current is added to 100A, the voltage is stopped between 5.6 and 5.9V.
Growing graphene on tantalum wires: and (3) balancing the pressure in the chamber at 39.8-40.5torr, keeping the temperature at about 1200 ℃, and keeping for 50min, so that the tantalum wire grows on the graphene under the condition.
And (3) closing the instrument: and (3) closing a JDCY-20-500 type alternating current filament power supply knob, screwing down the gas cylinder, vacuumizing the chamber to 5-6Pa, and closing the DL-18 type closed-circuit cooling water unit. The product was removed after two hours.
Manufacturing an electrode: the graphene tube on the tantalum wire was pulled out, and divided into 8 graphene tubes of 4mm length, and new tantalum wires straight by 2.2cm were inserted into the graphene tubes of 4mm length, respectively. And then folded into the desired right-angle electrode, as shown in fig. 10, and inserted into the aperture of the array electrode to form the desired array electrode.
Preparation of 1 working electrode in one or more electrolytic cells
1. 0.1M KCl solution was used as a base solution to prepare K at a concentration of 10mM each3[Fe(CN)6]And K4Fe(CN)6·3H2And O to form an electrolyte.
2. Adding 1ml of electrolyte into a first electrolytic cell, placing a first array electrode on the first electrolytic cell, and respectively connecting three leads of an electrochemical workstation to a reference electrode binding post, a working electrode binding post and a platinum wire electrode at the center of the array electrode at the bottom of a micro array porous electrolytic cell to form a three-electrode system.
Cyclic voltammetry curve measured by single electrolytic cell
1. The prepared electrolyte is used as a reaction solution, a graphene electrode is used as a working electrode, and 20mV s is used-1The potential scanning speed of the voltage-current curve is tested to obtain the voltage-current curve.
2. The prepared electrolyte is used as a reaction solution, a carbon electrode is used as a working electrode, and 50mV s is used respectively-1、80mV s-1、100mV s-1、200mV s-1The sweep rate of (2) was tested and the voltage-current curves under these conditions were respectively measured, as shown in FIG. 7.
3. In fig. 7, 5 CV curves measured at different sweep rates are superimposed, with the increase of the sweep rate, the potential of the oxidation peak shifts to the right, the potential of the reduction peak shifts to the left, and the oxidation peak current and the reduction peak current of each CV curve are basically close to each other, so that reversibility is achieved, which indicates that the array electrode and the electrolytic cell are relatively stable and can be normally used.
Preparation of 8 working electrodes in a single electrolytic cell
1. 0.1M KCl solution was used as a base solution to prepare K at a concentration of 10mM each3[Fe(CN)6]And K4Fe(CN)6·3H2And O to form an electrolyte.
2. Adding 1ml of electrolyte into a first electrolytic cell, placing a first array electrode on the first electrolytic cell, and respectively connecting three leads of an electrochemical workstation to a reference electrode binding post, a working electrode binding post and a platinum wire electrode at the center of the array electrode at the bottom of a micro array porous electrolytic cell to form a three-electrode system.
Cyclic voltammetry curve measured by single electrolytic cell
1. The prepared electrolyte is used as a reaction solution, a graphene electrode is used as a working electrode, and 20mV s is used-1The potential scanning speed of the voltage-current curve is tested to obtain the voltage-current curve.
2. The prepared electrolyte is used as a reaction solution, a graphene electrode is used as a working electrode, and 50mV s is used respectively-1、80mV s-1、100mV s-1、200mV s-1The sweep rate of (2) was measured, and a voltage-current curve under the conditions was obtained, as shown in FIG. 8.
3. Fig. 8 is a graph obtained by superposing 5 CV curves measured at different sweep rates, wherein the potential of the oxidation peak shifts to the right and the potential of the reduction peak shifts to the left as the sweep rate increases, and the oxidation peak current and the reduction peak current in each CV curve are close to each other, so that the CV curves have reversibility characteristics, which indicates that the array electrode and the electrolytic cell are relatively stable and can be normally used.
4. Comparing the voltage and current of the single working electrode in fig. 7 and the 8 working electrodes in fig. 8, it can be known that the potential is not changed and the current is increased when the number of the working electrodes is increased, which indicates that the 8 working electrodes are combined into an array electrode in a parallel connection structure.
Preparation work of working electrodes of three or more electrolytic cells
1. 0.1M KCl solution is used as base solution, and the preparation concentrations are all 10mM K3[Fe(CN)6]And K4Fe(CN)6·3H2And O to form an electrolyte.
2. Adding 1ml of electrolyte into a first electrolytic cell and a second electrolytic cell, respectively arranging a first array electrode and a second array electrode on the first electrolytic cell and the second electrolytic cell, respectively connecting three leads of an electrochemical workstation to a reference electrode binding post, a working electrode binding post and a platinum wire electrode at the center of the array electrode at the bottom of a micro array porous electrolytic cell to form a three-electrode system.
Cyclic voltammetry curve measured by multiple electrolytic cells
1. Will K3[Fe(CN)6]/K4Fe(CN)6The solution is used as an electrolyte and has a concentration of 20mV s-1The potential scanning speed of the voltage-current curve is tested to obtain the voltage-current curve.
2. Potassium ferricyanide/potassium ferrocyanide are used as redox probes, one group of array electrodes comprises 8 graphene electrodes as working electrodes, two electrolytic cell systems are operated simultaneously, and 50mV s is used for each electrolytic cell system-1、80mV s-1、100mV s-1、200mVs-1The sweep rate of (2) was tested and the voltage-current curve under this condition was measured, as shown in fig. 9.
3. In fig. 9, 5 CV curves measured at different sweep rates are superimposed, with the increase of the sweep rate, the potential of the oxidation peak shifts to the right, the potential of the reduction peak shifts to the left, and the redox peak current in each CV curve is substantially close, which indicates that the array electrode and the electrolytic cell are relatively stable and can be used normally.
4. As can be seen from the comparison of the curves of FIG. 8 and FIG. 9 at the same sweep rate, the current of a plurality of electrolytic cells is larger than that of a single electrolytic cell, and the parallel connection relationship between different electrolytic cells can be obtained.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims (10)

1. A micro-array porous electrolytic cell, which is characterized by comprising a plurality of array electrodes and a plurality of electrolytic cells connected in parallel;
a reference electrode is fixed at the bottom of each electrolytic cell, and the electrolytic cells are used for containing electrolyte and the array electrodes; each array electrode comprises a conducting layer, an electrode fixing frame, a working electrode and an auxiliary electrode; the conducting layer is sleeved on the electrode fixing frame in a penetrating mode, the auxiliary electrode is fixed to the center of the electrode fixing frame, the working electrode is installed on the electrode fixing frame and the conducting layer, and the working electrode is located on the periphery of the auxiliary electrode.
2. The microarray porous electrolytic cell of claim 1, further comprising a switching circuit connected to the reference electrode and the working electrode, respectively.
3. The microarray porous electrolytic cell of claim 2, wherein one of the electrolytic cells is connected in parallel with another of the electrolytic cells through the switching circuit.
4. The microarray porous electrolytic cell of claim 2 further comprising an external copper sheet through which the working electrode is connected to the switching circuit.
5. The microarray porous electrolytic cell of claim 1, wherein the array electrode further comprises a fixing screw, the fixing screw being fixed to the electrode fixing support by a screw thread; the conducting layer is positioned between the electrode fixing frame and the fixing rotary sheet; the fixed rotary sheet is used for fixing the working electrode on the electrode fixing frame and the conducting layer.
6. The microarrayed porous electrolytic cell according to claim 1, characterized in that the number of said electrolytic cells is equal to the number of said array electrodes.
7. The micro-array porous electrolytic cell of claim 1, wherein the working electrode is provided with a plurality of electrodes; the working electrode is a right-angle electrode.
8. The micro-array porous electrolytic cell according to claim 1, wherein the conductive layer and the electrode holder are provided with small holes; the aperture is used to define the mounting location of the working electrode.
9. The micro-array multi-well electrolytic cell of claim 1, wherein the auxiliary electrode is a platinum wire electrode; the reference electrode is a platinum wire electrode.
10. The micro array porous cell of claim 5, further comprising a reference electrode post, a working electrode post, and an auxiliary electrode post; the reference electrode binding post and the working electrode binding post are respectively arranged on one side of the electrolytic cell; the auxiliary electrode binding post is arranged on the fixed rotary piece; the reference electrode is connected with the reference electrode wiring terminal; the working electrode is connected with the working electrode binding post; the auxiliary electrode is connected with the auxiliary electrode binding post.
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110308942A1 (en) * 2010-06-16 2011-12-22 Nanyang Technological University Microelectrode array sensor for detection of heavy metals in aqueous solutions
CN103196977A (en) * 2013-04-12 2013-07-10 中国科学院上海应用物理研究所 Multichannel printing electrode array chip as well as preparation method and application thereof
CN109813791A (en) * 2019-01-02 2019-05-28 北京科技大学 A kind of microlayer model high-flux electric chemical sensor based on micro-pillar array
CN209264619U (en) * 2018-11-23 2019-08-16 中国科学院上海硅酸盐研究所 Multi-channel electrochemical test job electrode and electrolytic cell corollary apparatus
CN111272837A (en) * 2020-03-26 2020-06-12 中国石油大学(华东) Dynamic liquid film under-film multi-scale electrochemical testing device and method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110308942A1 (en) * 2010-06-16 2011-12-22 Nanyang Technological University Microelectrode array sensor for detection of heavy metals in aqueous solutions
CN103196977A (en) * 2013-04-12 2013-07-10 中国科学院上海应用物理研究所 Multichannel printing electrode array chip as well as preparation method and application thereof
CN209264619U (en) * 2018-11-23 2019-08-16 中国科学院上海硅酸盐研究所 Multi-channel electrochemical test job electrode and electrolytic cell corollary apparatus
CN109813791A (en) * 2019-01-02 2019-05-28 北京科技大学 A kind of microlayer model high-flux electric chemical sensor based on micro-pillar array
CN111272837A (en) * 2020-03-26 2020-06-12 中国石油大学(华东) Dynamic liquid film under-film multi-scale electrochemical testing device and method

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