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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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.
电子系统基于PSoC技术,在android平台上实现,通过循环伏安法技术对材料进行电化学表征
在工业中,有许多方法可以获得材料的电化学信息。目的是表征电化学材料,以评估其在某些应用中的效用。目前,有各种各样的电化学分析技术,可以对物理化学参数进行分类。一种常用的技术被称为循环伏安法,这种技术负责为样品设置一个电位斜坡,并记录电化学反应过程中流过材料的电流,该过程的结果是一个电流与电压的图形,称为伏安图。恒电位器是负责应用循环伏安法技术的电化学装置,通过三个电极,参比电极,反电极和工作电极。恒电位器的基本电路是基于运算放大器和能够将电化学信号传递给计算机设备的微处理器。然而,由于需要原位物理化学分析,有些领域的恒电位器是不够的,因此,开发了一种基于PSoC和Android技术的便携式电化学装置,能够原位应用循环伏安法技术。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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