Si based anodes via magnetron sputtering for LIB

B. Deniz Polat; O. Levent Eryilmaz; Özgül Keleş

doi:10.1149/2.009405eel

Si based anodes via magnetron sputtering for LIB

B. Deniz Polat, O. Levent Eryilmaz, Özgül Keleş

Department of Metallurgical and Materials Engineering

Argonne National Laboratory

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

The reversible cyclability of Si based anodes is greatly improved by tuning the atomic ratio of Cu/Si and the thickness of films fabricated via magnetron sputtering. High electrochemical performance is achieved when the thin film made of 10% at.Cu-90% at.Si is used. 1100 mAhg-1 specific capacity is delivered after the 100th cycles with 99.7% Coulombic efficiency. This remarkable performance is the result of the amorphous structure and enhanced physical and mechanical properties of the thin film.

Original language	English
Pages (from-to)	A45-A49
Journal	ECS Electrochemistry Letters
Volume	3
Issue number	6
DOIs	https://doi.org/10.1149/2.009405eel
Publication status	Published - 2014

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AU - Keleş, Özgül

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N2 - The reversible cyclability of Si based anodes is greatly improved by tuning the atomic ratio of Cu/Si and the thickness of films fabricated via magnetron sputtering. High electrochemical performance is achieved when the thin film made of 10% at.Cu-90% at.Si is used. 1100 mAhg-1 specific capacity is delivered after the 100th cycles with 99.7% Coulombic efficiency. This remarkable performance is the result of the amorphous structure and enhanced physical and mechanical properties of the thin film.

AB - The reversible cyclability of Si based anodes is greatly improved by tuning the atomic ratio of Cu/Si and the thickness of films fabricated via magnetron sputtering. High electrochemical performance is achieved when the thin film made of 10% at.Cu-90% at.Si is used. 1100 mAhg-1 specific capacity is delivered after the 100th cycles with 99.7% Coulombic efficiency. This remarkable performance is the result of the amorphous structure and enhanced physical and mechanical properties of the thin film.

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Si based anodes via magnetron sputtering for LIB

Abstract

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