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A method demonstrates efficient data acquisition for electrochemical cells using a low-cost system, suggesting practical applications.
A method for the characterization of primary and secondary cells is described using a digitally controlled galvanostat operated during long measurement periods. Control and data acquisition are performed using an open source programmable prototype single-board microcontroller. The collected data are saved in a text file which can be easily converted to spreadsheet for subsequent analysis. The cost of the entire system is less than $120, not including the PC used for the prototype control, which need not be top-of-the-line considering the low system requirements. In fact, the operating system can be relegated to an open source Linux.
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González-Arjona et al. (2012) studied this question.
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