Operando AC In-Plane Impedance Spectroscopy of Electrodes for Energy Storage Systems
نویسندگان
چکیده
Characterization of battery and supercapacitor materials devices is typically performed using various methods such as cyclic voltammetry, electrochemical impedance spectroscopy, galvanostatic cycling, etc. However, none these techniques allow for operando tracking changes in the electrode material’s in-plane ionic electronic percolation under polarization, which plays a key-role performance material. Here, we report an experimental set-up devoted to measuring AC DC resistance porous activated carbon Ti 3 C 2 MXene electrodes during cycling. These measurements deconvolution contributions total change components polarization. Operando polarization brings insights regarding transport mechanisms operation. This serves complementary tool further evaluate improve energy storage.
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ژورنال
عنوان ژورنال: Journal of The Electrochemical Society
سال: 2022
ISSN: ['0013-4651', '1945-7111']
DOI: https://doi.org/10.1149/1945-7111/aca723