Plate-type working electrode and method for manufacturing same
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A working electrode, flat-plate technology, applied in the field of electrodes, can solve the problems of environment and operator injury, limit the application of electrochemical detection, unsatisfactory reproducibility, etc., achieve low cost, good reproducibility of results, and production The effect of simple method
Inactive Publication Date: 2013-02-13
CHINESE ACAD OF INSPECTION & QUARANTINE +2
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However, the above-mentioned electrodes have more or less defects, which greatly limit the application of electrochemical detection in practical work.
For example: noble metal electrodes are relatively expensive; mercury electrodes are highly toxic, and long-term use will cause harm to the environment and operators; carbon-based electrodes require complex and cumbersome pretreatment processes before use, including polishing, grinding, cleaning, aging, etc.; silk screen Printed electrodes require specialized equipment for processing, and their reproducibility is not satisfactory
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[0020] Such as figure 1 As shown, the flat plate working electrode of the present invention includes a flat conductive layer 1, a polymer conductive film 2, and an adhesive tape layer 3. The flat conductive layer 1 is made of ITO glass, conductive metal sheet or graphite sheet, and its width is 0.5cm~ 1cm, the length is 1.5cm ~ 2.5cm. The conductive metal sheet is preferably silver sheet or copper sheet. The polymer conductive film 2 can be a polymer silver conductive film or a polymer carbon conductive film or other types of polymer conductive films, for example, a double-sided conductive carbon tape produced by the American API company can be used. Tape layer 3 adopts waterproof tape with insulating properties, such as common scotch tape. The polymer conductive film 2 is pasted on the flat conductor layer 1, and the tape layer 3 is pasted on one end of the polymer conductive film 2. The polymer conductive film 2 covers 1 / 2 to 2 / 3 of the flat conductor layer, and the tape l...
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Abstract
The invention discloses a plate-type working electrode and a method for manufacturing the same. The electrode comprises a plate-type conductor layer, a polymer conducting film and an adhesive tape layer, wherein the polymer conducting film is adhered to the plate-type conductor layer; and the adhesive tape layer is adhered to one end of the polymer conducting film and is an insulated waterproof adhesive tape. The electrode has a simple structure, is free of toxicity and low in cost, and can be used as the disposable electrode; the electrode can be conveniently integrated in a paper-based analytic system, the detecting operation is quite convenient, the accuracy is high, and the result repeatability between different electrodes is quite good; and the manufacturing method is simple, quick and convenient, and can be easily implemented in common laboratories.
Description
technical field [0001] The invention relates to an electrode, in particular to a flat-plate working electrode and a manufacturing method thereof. Background technique [0002] Electrochemical detection technology has the advantages of low cost, simple required instruments, high sensitivity, and short analysis time, and has broad application prospects in product inspection, environmental monitoring, medical health and other fields. The working electrode, also known as an electrochemical sensor, is a key component for electrochemical detection. At present, the working electrodes used for electrochemical detection mainly include noble metal electrodes (gold, platinum, palladium, etc.), mercury electrodes (dropping mercury electrodes, hanging mercury electrodes, mercury film electrodes, etc.), carbon-based electrodes (graphite electrodes, glassy carbon electrodes, etc.) , carbon paste electrodes, etc.) and screen-printed electrodes. However, the above-mentioned electrodes have...
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