Journal
HARDWAREX
Volume 9, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.ohx.2020.e00163
Keywords
Electrochemistry; Cyclic voltammetry; Amperometry; Battery testing; Sensors
Categories
Funding
- Eisenberg Summer Internship program for undergraduate students at the University of Rochester
- Ronald E. McNair Post-Baccalaureate Achievement Program
- David T. Kearns Center
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An open-source potentiostat/galvanostat instrument design with improved capability over previous designs, suitable for a wider range of electrochemical measurements. The instrument is controlled by any computer running Python, including Raspberry Pi, and its open-source nature allows for custom modifications. Its low cost and versatility make it attractive for research and teaching laboratories.
An open-source potentiostat/galvanostat instrument design is introduced that provides the ability to take accurate measurements over a current range of +/- 200 mA and a potential range of +/- 12 V. The improved capability of the instrument compared to the previously published design upon which it is based makes it suitable for performing a wider range of electrochemical measurements including the ability to use larger working electrodes, study of high current density processes, study of electrochemistry in nonaqueous solutions and use in high voltage processes such as electrophoretic deposition. The instrument can be controlled from any computer capable of running the Python programming language, including a low-cost Raspberry Pi. Unlike many commercial potentiostat designs, the instrument is completely open-source, giving researchers the ability to modify the hardware and software as needed for custom measurement techniques. The low cost makes the instrument attractive for research and teaching laboratories in which multiple electrochemical measurements need to be carried out in parallel. (C) 2020 The Author(s). Published by Elsevier Ltd.
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