A kind of electroplated silver carbon fiber electrode and preparation method thereof

Abstract

The invention provides a preparation method of an electroplated silver carbon fiber electrode. The preparation method comprises the following steps of weighing carbon fiber bundle and soaking the carbon fiber bundle in an acetone solution, then performing ultrasonic treatment, and soaking the carbon fiber bundle in an ethanol solution for ultrasonic treatment; placing the carbon fiber bundle in amuffle furnace for thermal oxidation treatment, then performing ultrasonic cleaning with deionized water, and then placing in a drying oven for drying; cutting the carbon fiber bundle subjected to oxidation treatment to a certain length, and binding one end of the cut carbon fiber bundle with a silver wire for fixation; mixing AgNO<3> and NaNO<3> solution to prepare electroplating solution, placing a pair of carbon fiber bundles in the electroplating solution, supplying voltage by a constant-voltage power supply, electroplating the carbon fiber bundles to obtain silver-plated carbon fibers, and packaging the silver-plated carbon fibers in a heat-shrinkable tube to obtain the silver-plated carbon fiber electrode. The preparation method is simple; and the electroplated silver carbon fiber electrode prepared by the method has small range, stable performance, and easy long-term storage and can be used for detecting ocean electric field signals.

Description

technical field [0001] The invention relates to the technical field of materials, in particular to a silver-plated carbon fiber electrode and a preparation method thereof. Background technique [0002] Carbon fiber has the advantages of large specific surface area and good chemical stability in the marine environment, and is suitable as a marine electric field sensor. In the 1970s, the U.S. Naval Postgraduate School conducted research on different electrode materials as sensors for detecting ocean electric fields. The report pointed out that Ag / AgCl electrodes, Pt / Pt black electrodes and carbon fiber electrodes have low impedance, and these materials are suitable for use as ocean electrodes. Among them, carbon fiber electrodes have the lowest cost and are suitable for large-scale use. In 2003, at the European Underwater Defense Technology (UDT) conference, the Swedish Polyamp company demonstrated a self-developed carbon fiber sensor for detecting underwater electric fields ...

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Problems solved by technology

However, the generation of plasma requires a certain vacuum environment, and the required equipment is relatively complicated, which is difficult for continuous and stable carbon fiber processing and long-term processing.

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