SnO₂/graphene composites with self-assembled alternating oxide and amine layers for high Li-storage and excellent stability.

Prabakar, S J Richard; Hwang, Yun-Hwa; Bae, Eun-Gyoung; Shim, Sangdeok; Kim, Dongwook; Lah, Myoung Soo; Sohn, Kee-Sun; Pyo, Myoungho · Adv Mater · 2013

basic_science · Level V

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Abstract

An alternating stack (SG/GN) consisting of SnO₂-functionalized graphene oxide (SG) and amine-functionalized GO (GN) is prepared in solution. The thermally reduced SG/GN (r(SG/GN)) with decreased micro-mesopores and completely eliminated macropores, results in a high reversible capacity and excellent capacity retention (872 mA h g⁻¹ after 200 cycles at 100 mA g⁻¹) when compared to a composite without GN.

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