A hard X-ray photoelectron spectroscopy study on the solid electrolyte interphase of a lithium 4,5-dicyano-2-(trifluoromethyl)imidazolide based electrolyte for Si-electrodes
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- 作者：Fredrik Lindgrena ; Chao Xua ; Julia Maibacha ; Anna M. Anderssonb ; Marek Marcinekc ; Leszek Niedzickic ; Torbjö ; rn Gustafssona ; Fredrik Bjö ; reforsa ; fredrik.bjorefors@kemi.uu.se" class="auth_mail" title="E-mail the corresponding author ; Kristina Edströ ; ma
- 关键词：Lithium 4 ; 5-dicyano-2-(trifluoromethyl)imidazolide ; Silicon negative electrode ; Solid electrolyte interphase ; Hard x-ray photoelectron spectroscopy
- 刊名：Journal of Power Sources
- 出版年：2016
- 出版时间：1 January 2016
- 年：2016
- 卷：301
- 期：Complete
- 页码：105-112
- 全文大小：904 K
文摘
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An LiTDI-electrolyte is used for the first time with Si-based composite electrodes.
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HAXPES was used to follow SEI formation using the new LiTDI salt.
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The LiTDI salt is fairly stable and does not form detrimental byproducts with Si.
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HAXPES can be used to monitor mechanisms going on even below thick SEI layers.
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LiTDI is a promising electrolyte salt for Si-based electrodes.