Electronic system based on PSoC technology and implemented in android platform for the electrochemical characterization of materials through the cyclic voltammetry technique
A. Arrieta, Oscar Fuentes, K. Navas, Katerine Ballesteros
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引用次数: 0
Abstract
In the industry, many methods to obtain electrochemical information about materials are used. The aim is to characterize electrochemical materials to evaluate their utility in some applications. Nowadays, there are different techniques of electrochemical analysis, which are capable to classify physical chemistry parameters. An usual technique is called cyclic voltammetry, this technique is responsible to set a potential ramp to a sample and to register the current flowing through the material during the electrochemical reaction, the results from this process is a Current vs Voltage graphic called Voltammogram.1 The potentiostat is the electrochemical device responsible to apply the cyclic voltammetry technique, through three electrodes, reference electrode, counter electrode and working electrode. The basic circuit of a potentiostat is based on operational amplifier and microprocessors capable to communicate the electrochemical signals to the computer equipment. However there are some sectors where a potentiostat is not sufficient since the physical chemistry analysis is required in situ, thus, was developed a portable electrochemical device based on PSoC and Android technology capable to apply the cyclic voltammetry technique in situ.