Metrohm Autolab DuoCoin Cell Holder with EIS measurements on a commercial battery

Metrohm Autolab DuoCoin Cell Holder with EIS measurements on a commercial battery

The Metrohm Autolab DuoCoin Cell Holder has been developed to perform electrochemical experiments on coin cell batteries.

 EIS measurements on a commercial coin cell battery are performed. Differences in impedance between the four-terminal configuration and two-terminal configuration is highlighted, putting in evidence the importance of having a direct four-terminal configuration, when low-impedance DUTs are investigated.

The DuoCoin Cell Holder can host up to two coin cells, each of 3.2 mm maximum thickness and 24 mm maximum diameter. Typical coin cell sizes which can be hosted in the DuoCoin Cell Holder are CR2016, CR2020, CR2025, CR2032, CR2325, and CR2330. Each connector of the DuoCoin Cell Holder is directly connected to the battery. Therefore, the leads sensing the potential are separated from the leads carrying the current, resulting in a minimized voltage drop due to the impedance of the wires.

For more details download the application note below.

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