A bis(fluorosulfonyl)imide based ionic liquid as safe and efficient electrolyte for Si/Sn-Ni/C/Al composite anode

S. Sayah,Fouad Ghamouss,François Tran-Van,Jesús Santos-Peña,Daniel Lemordant

Electrochimica Acta（2017）

引用 17|浏览5

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摘要

•The reversible capacity of the Si/Sn-Ni/C/Al composite is >600mAhg−1 in the EMIFSI-LiFSI ionic liquid electrolyte at least over 100 cycles.•A protective and stable SEI is formed by reductive decomposition of the FSI anion.•Use of SEI forming additives is not required.

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关键词

Ionic liquid,EMIFSI,LiFSI,composite anode,silicon,tin,SEI,lithium-ion battery

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