A Multiple Working Electrode for Electrochemical Cells: A Tool for Current Density Distribution Studies

Authors


  • Financial support by the Swiss National Science Foundation is gratefully acknowledged. Technical assistance from W. Scheifele, H. Kaiser, and Dr. F. Rosciano is highly appreciated. Finally, we would like to thank TIMCAL SA for providing the SFG44 graphite samples for this study.

Abstract

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Uneven distribution: The multiple working electrode for electrochemical cells (see image) is a unique tool for the quantitative study of current density distribution in lithium-ion batteries. During the cycling of the cell even at a low C-rate of C/37, an inhomogeneity in the average current density distribution of more than 8 % is observed. WE=working electrode, CE=counter electrode.

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