Method for manufacturing special solid electrode for water phase electrochemistry research

A solid electrode, electrochemical technology, applied in the field of preparation of special equipment for chemical research, can solve the problems of limiting the wide application of electrodes, expensive electrodes, and expensive heat shrinkable tubes, etc.

Inactive Publication Date: 2010-03-17
NORTHEAST NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Generally speaking, the sealing of the electrode can be done by glass melting wrapping, polytetrafluoroethylene wrapping and heat shrinkable tube wrapping. However, although these methods can get better results, there are still some problems, such as the requirement of The expansion coefficient is similar to that of electrode ma...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Example 1: Weld a gold wire with a diameter of 1 mm and a length of 10 mm with a copper wire, mix the resin material of the self-curing denture base with the base water at a ratio of 8:1 to form a gelatinous solid, and wrap the solid as an electrode The jacket, after the resin is cured, the cylindrical electrode is obtained by machining. A gold electrode can be obtained by grinding one end of the gold wire with a series of metallographic sandpaper until a flat gold surface is exposed.

Embodiment 2

[0012] Example 2: Weld a platinum wire with a diameter of 1 mm and a length of 10 mm with a copper wire, place it in the center of a cylindrical mold, fill it with heat-cured denture base resin material, and remove the mold after heating and curing , a cylindrical electrode can be obtained. Use a series of metallographic sandpaper to polish one end of the platinum wire until a flat gold surface is exposed, and then the platinum electrode can be obtained.

Embodiment 3

[0013] Embodiment 3: A glassy carbon column with a diameter of 3mm and a length of 10mm is in contact with a copper rod with a diameter of 3mm, and is wrapped with a thin copper sheet at the contact point, and the outside is tied tightly with a thin copper wire, which is formed by glassy carbon and a copper rod. path. Mix the self-setting denture base resin material with the denture water at a ratio of 6:1 to form a gel-like solid, wrap this solid as an electrode jacket, and press it with a mold to make it into a cylinder. After the resin is cured, the cylinder can be obtained electrode. Grinding one end of the glassy carbon with a series of metallographic sandpaper until a flat glassy carbon surface is exposed, the glassy carbon electrode can be obtained.

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Abstract

The invention specifically relates to a method for manufacturing a solid electrode, belonging to a method for manufacturing a special device for an electrochemistry research. The method of the invention comprises the following steps: firstly connecting an electrode material with a lead by a proper method to form a loop, and using an artificial denture resin material (self-solidifying materials orthermoset materials) to cover as an electrode coat, directly using a mould to control the shape of the electrode or obtaining the needed electrode shape by processing after solidifying the resin, finally using a series of metallographic abrasive paper to polish one end of the electrode material until exposing the surface of the electrode material, and obtaining the needed electrode. The method issimple and rapid with low cost and can be used for manufacturing various solid electrodes; and the biological compatibility of the manufactured electrode is good.

Description

technical field [0001] The invention belongs to a preparation method of a special device for chemical research, in particular to a preparation method of a solid electrode. Background technique [0002] In electrochemical research, no matter what kind of research method is adopted, the electrode is an indispensable and important tool. Generally, various carbon electrodes and noble metal electrodes are mainly used for electrochemical research. Carbon electrodes are widely used in electrochemical laboratories due to their wide potential window and chemical inertness. [1] . Typical noble metals such as gold and platinum are also commonly used electrode materials. In recent years, with the deepening of research and the expansion of research scope, some other metals and semiconductor materials have also been used as electrode materials. However, no matter what kind of electrode material is used, the preparation of the electrode is a key technology. [0003] An electrode mainl...

Claims

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Application Information

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IPC IPC(8): G01N27/30
Inventor 齐斌刘思东郭黎平
Owner NORTHEAST NORMAL UNIVERSITY
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