Advanced Functional Materials

Cover image for Vol. 24 Issue 32

22_17b/2012Lithium Ion Batteries: Graphene Oxide Gel-Derived, Free-Standing, Hierarchically Porous Carbon for High-Capacity and High-Rate Rechargeable Li-O2 Batteries (Adv. Funct. Mater. 17/2012)

On page 3699 Xin-Bo Zhang and co-workers report the synthesis of free-standing hierarchically porous carbon (FHPC) derived from a graphene oxide gel in nickel foam by a facile in situ sol-gel method. As a cathode for Li-O2 batteries, the FHPC electrode exhibits a large capacity and high rate capability. This study opens up a promising strategy for the development of high-efficient oxygen electrodes for Li-O2 batteries.

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