Summary: 7660 Phys. Chem. Chem. Phys., 2011, 13, 7660­7665 This journal is c the Owner Societies 2011
Cite this: Phys. Chem. Chem. Phys., 2011, 13, 7660­7665
Sandwich-type functionalized graphene sheet-sulfur nanocomposite for
rechargeable lithium batterieswz
Yuliang Cao,ab
Xiaolin Li,a
Ilhan A. Aksay,c
John Lemmon,a
Zimin Nie,a
Zhenguo Yanga
and Jun Liu*a
Received 10th November 2010, Accepted 8th March 2011
DOI: 10.1039/c0cp02477e
A functionalized graphene sheet-sulfur (FGSS) nanocomposite was synthesized as the cathode
material for lithium­sulfur batteries. The structure has a layer of functionalized graphene sheets/stacks
(FGS) and a layer of sulfur nanoparticles creating a three-dimensional sandwich-type architecture. This
unique FGSS nanoscale layered composite has a high loading (70 wt%) of active material (S), a high tap
density of B0.92 g cmÀ3
, and a reversible capacity of B505 mAh gÀ1
(B464 mAh cmÀ3

Source: Aksay, Ilhan A. - Department of Chemical Engineering, Princeton University

Collections: Materials Science