阅读说明：本技术 一种微型阵列多孔电解池 (Micro-array porous electrolytic cell ) 是由 李红姬 翟鹏飞 李明吉 李翠平 刘翼 杨保和 于 2020-07-03 设计创作，主要内容包括：本发明涉及一种微型阵列多孔电解池,涉及电化学传感器技术领域,所述微型阵列多孔电解池包括多个阵列式电极,以及多个且并联连接的电解池；每个所述电解池底部均固定有参比电极,所述电解池用于盛放电解液和所述阵列式电极；每个所述阵列式电极均包括导电层、电极固定架、工作电极和辅助电极；所述导电层穿套在所述电极固定架上,所述辅助电极固定在所述电极固定架的中心位置,所述工作电极安装在所述电极固定架和所述导电层上,所述工作电极位于所述辅助电极的外围。本发明可以实现同时测定多种电解液目的。(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.)

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.

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.