Author(s) Jackson, E.D.; Prieto, A.L.
Journal ACS Appl Mater Interfaces
Date Published 2016 Nov 09
Abstract

Nanowires of electrochemically active electrode materials for lithium ion batteries represent a unique system that allows for intensive investigations of surface phenomena. In particular, highly ordered nanowire arrays produced by electrodeposition into anodic aluminum oxide templates can lead to new insights into a material's electrochemical performance by providing a high-surface-area electrode with negligible volume expansion induced pulverization. Here we show that for the Li-CuSb ternary system, stabilizing the surface chemistry is the most critical factor for promoting long electrode life. The resulting solid electrolyte interphase is analyzed using a mix of electron microscopy, X-ray photoelectron spectroscopy, and lithium ion battery half-cell testing to provide a better understanding of the importance of electrolyte composition on this multicomponent alloy anode material.

DOI 10.1021/acsami.6b08033
ISSN 1944-8252
Citation ACS Appl Mater Interfaces. 2016;8(44):3037930386.

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