The Electrochemical Behavior of SnSb as an Anode for Li-ion Batteries Studied by Electrochemical Impedance Spectroscopy and Electron Microscopy

Tesfaye AT, Yucel YD, Barr MKS, Santinacci L, Vacandio F, Dumur F, Maria S, Monconduit L, Djenizian T (2017)

Publication Type: Journal article

Publication year: 2017

Journal

Electrochimica Acta Elsevier

Book Volume: 256

Pages Range: 155-161

DOI: 10.1016/j.electacta.2017.10.031

Abstract

Evolution of the electrical and morphological properties of micron-sized SnSb has been investigated to understand the electrochemical behavior observed during cycling experiments. Electron microscopy techniques (scanning electron microscopy and transmission electron microscopy) and electrochemical impedance spectroscopy have been combined to evidence the electrode modifications and particularly the formation of a solid electrolyte interphase (SEI) layer. Evolution of the SEI resistance and the charge transfer resistance with the cell voltage can be explained by the electrolyte degradation and expansion/contraction of the electrode. Furthermore, we show that the SEI formation is not limited at the first discharge/charge of the battery. The continuous growth of the SEI layer up to 50 cycles associated to the electrode pulverization caused by the large volume variations are responsible for the capacity fading.

Authors with CRIS profile

Maissa Barr

Involved external institutions

Aix-Marseille University / Aix-Marseille Université FR France (FR) Alistore European Research Institute FR CNRS 3104 FR France (FR)

How to cite

APA:

Tesfaye, A.T., Yucel, Y.D., Barr, M.K.S., Santinacci, L., Vacandio, F., Dumur, F.,... Djenizian, T. (2017). The Electrochemical Behavior of SnSb as an Anode for Li-ion Batteries Studied by Electrochemical Impedance Spectroscopy and Electron Microscopy. Electrochimica Acta, 256, 155-161. https://doi.org/10.1016/j.electacta.2017.10.031

MLA:

Tesfaye, Alexander T., et al. "The Electrochemical Behavior of SnSb as an Anode for Li-ion Batteries Studied by Electrochemical Impedance Spectroscopy and Electron Microscopy." Electrochimica Acta 256 (2017): 155-161.

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