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Insights into the sodiation mechanism of hard carbon-like materials from electrochemical impedance spectroscopy
2021
To render the sodium ion battery (SIB) competitive among other technologies, the processes behind sodium storage in hard carbon anodes must be understood. For this purpose, electrochemical impedance spectroscopy (EIS) is usually undervalued, since fitting the spectra with equivalent circuit models requires an a priori knowledge about the system at hand. The analysis of the distribution of relaxation times (DRT) is an alternative, which refrains from fitting arbitrarily nested equivalent
doi:10.17169/refubium-30658
fatcat:nuxzljlsuvdalnn7g66vfznyme