Abstract
Cyclic Voltammetry is an Electro-chemical process used in the development Energy Storage cells and general electrochemistry. In this report we present the use of an Atmega 326 microcontroller to prepare a Cyclic Voltammetry (CV) implementation system. The modular design incorporated a software pulse - width - modulated triangular wave generator, level shifter circuits, a three - electrode electrochemical tank driver circuit and PLX-DAQ-Excel digital Data Acquisition system. The system measured a 266.1 Ω carbon resistance as 262.7 Ω. It also effectively isolated the cathodic redox potential peak (750 mV) and anodic peak (520 mV) of a 1.5 mM Potassium Ferricyanide in 0.1M Potassium Nitrate at room temperature. A specific capacitance of 11.45 F/g was obtained for a 4.4 cm 2 coconut shell derived screen printed activated carbon electrode. The design is suitable for basic CV studies in Electrical Energy Storage Devices development. Keywords: Microcontroller, Cyclic Voltammetry, Potentiostat, Level – shifter circuits, Potassium ferricyanide, Energy Storage Devices. DOI: 10.7176/JNSR/12-18-04 Publication date: September 30 th 2021
Highlights
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Summary
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