4.8 Article

Layer Structured α-Fe2O3 Nanodisk/Reduced Graphene Oxide Composites as High-Performance Anode Materials for Lithium-Ion Batteries

Journal

ACS APPLIED MATERIALS & INTERFACES
Volume 5, Issue 9, Pages 3932-3936

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/am400670d

Keywords

alpha-Fe2O3; layered nanodisk; reduced graphene oxide; oxygen bridges; Li-ion battery

Funding

  1. National Basic Research Program of China [2009CB930400, 2012CB932900]
  2. National Natural Science Foundation of China [NSFC 21121063, 51225204]
  3. Chinese Academy of Sciences [KJCX2-YW-N41]

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A composited anode material with combined layered alpha-Fe2O3 nanodisks and reduced graphene oxide was produced by an in situ hydrothermal method for lithium-ion batteries. As thin as about 5-nm-thickness alpha-Fe2O3 nanosheets, open channels, and face-to-face tight contact with reduced graphene oxide via oxygen bridges made the composite have a good cyclability and rate performance, especially at high charge/discharge rates.

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