3D Scaffolded Nickel-Tin Li-Ion Anodes with Enhanced Cyclability.

Zhang, Huigang; Shi, Tan; Wetzel, David J; Nuzzo, Ralph G; Braun, Paul V · Adv Mater · 2016

basic_science · Level V

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Abstract

A 3D mechanically stable scaffold is shown to accommodate the volume change of a high-specific-capacity nickel-tin nanocomposite during operation as a Li-ion battery anode. The nickel-tin anode is supported by an electrochemically inactive conductive scaffold with an engineered free volume and controlled characteristic dimensions, which engender the electrode with significantly improved cyclability.