Electrochemical in situ investigations of SEI and dendrite formation on the lithium metal anode

Physical Chemistry Chemical Physics : PCCP
Georg BiekerPeter Bieker

Abstract

This comparative work studies the self-enforcing heterogeneity of lithium deposition and dissolution as the cause for dendrite formation on the lithium metal anode in various liquid organic solvent based electrolytes. In addition, the ongoing lithium corrosion, its rate and thus the passivating quality of the SEI are investigated in self-discharge measurements. The behavior of the lithium anode is characterized in two carbonate-based standard electrolytes, 1 M LiPF6 in EC/DEC (3 : 7) and 1 M LiPF6 in EC/DMC (1 : 1), and in two alternative electrolytes 1 M LiPF6 in TEGDME and 1 M LiTFSI in DMSO, which have been proposed in the literature as promising electrolytes for lithium metal batteries, more specifically for lithium/air batteries. As a result, electrolyte decomposition, SEI and dendrite formation at the lithium electrode as well as their mutual influences are understood in the development of overpotentials, surface resistances and lithium electrode surface morphologies in subsequent lithium deposition and dissolution processes. A general model of different stages of these processes could be elaborated.

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Citations

Mar 2, 2016·Proceedings of the National Academy of Sciences of the United States of America·Zheng LiangYi Cui
Oct 25, 2016·Advanced Science·Xin-Bing ChengQiang Zhang
Jul 3, 2015·Physical Chemistry Chemical Physics : PCCP·Dmitri V Alexandrov, Peter K Galenko
Jun 14, 2016·Nature Communications·A BasileA P O'Mullane
Dec 21, 2016·ChemSusChem·Paulo SchmitzPeter Bieker
Mar 8, 2017·Nature Nanotechnology·Dingchang LinYi Cui
Apr 21, 2017·Physical Chemistry Chemical Physics : PCCP·Georg BiekerPeter Bieker
Jul 29, 2017·Chemical Reviews·Xin-Bing ChengQiang Zhang
Apr 8, 2018·Chemistry : a European Journal·Tobias S DörrHans-Dieter Wiemhöfer
Jun 15, 2018·Advanced Materials·Ahmed M HafezHongli Zhu
Aug 8, 2018·Proceedings of the National Academy of Sciences of the United States of America·Feifei ShiYi Cui
Jul 25, 2019·Chemical Communications : Chem Comm·Dongho KooKyu Tae Lee
Jul 25, 2019·Angewandte Chemie·N von AspernI Cekic-Laskovic
Jul 31, 2019·Chemical Communications : Chem Comm·Yanpeng GuoHuiqiao Li
Apr 7, 2020·Advanced Materials·Jia DingDavid Mitlin
Apr 16, 2020·Chemical Society Reviews·Xin ZhangZhen Zhou
May 5, 2020·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Ethan P KamphausPerla Beatriz Balbuena
Mar 17, 2017·Topics in Current Chemistry·Isidora Cekic-LaskovicMartin Winter
Apr 20, 2018·Topics in Current Chemistry·Johannes KasnatscheewIsidora Cekic-Laskovic
Apr 19, 2017·Proceedings of the National Academy of Sciences of the United States of America·Dingchang LinYi Cui
Nov 21, 2019·Physical Chemistry Chemical Physics : PCCP·Verena KüpersGunther Brunklaus
Jan 1, 2019·Nanoscale Horizons : the Home for Rapid Reports of Exceptional Significance in Nanoscience and Nanotechnolgy·Bin LiShubin Yang
Dec 19, 2019·Proceedings of the National Academy of Sciences of the United States of America·Mingfu HeBetar M Gallant

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