Advanced Functional Materials

Cover image for Vol. 28 Issue 3

21_18i/2011Lithium-Ion Batteries: Hierarchical Self-assembly of Microscale Cog-like Superstructures for Enhanced Performance in Lithium-Ion Batteries (Adv. Funct. Mater. 18/2011)

CuO/Cu electrodes comprising a surface layer of a densely packed array of unusual cog-shaped CuO microparticles with hierarchical nanofilament-based superstructures are presented by Stephen Mann and co-workers on page 3516. The electrodes demonstrate an improvement in coulombic efficiency, specific capacity, and cycling performance as anodes in lithium-ion batteries. The initial discharge capacity and reversible capacity are higher than for most copper oxide materials used.

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