Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 430, Issue 1-2, Pages 248-253Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2006.05.059
Keywords
coaxial nanocomposites; ZnO; LiMn2O4; sol-gel; AAO template; lithium ion battery
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The coaxial nanostructure composite materials of LiMn2O4 nanowires encapsulated in ZnO nanotubes are fabricated successfully via sol-gel method by using two-step template process. Transmission electron microscopy (TEM) and scanning electronic microscopy (SEM) results conformably show that the synthesized ZnO nanotubes possess the explicit end-opened tubular structure in uniform out diameter and wall thickness. Selected area electron diffraction (SAED) pattern, X-ray diffractometer (XRD), and X-ray photoelectron spectroscope (XPS) analysis jointly demonstrate that the main body of the fabricated coaxial composites is spinel structure LiMn2O4. It is expected that the two-step template process can be used to mass-produce coaxial LiMn2O4/ZnO nanocomposite materials as a novel cathode materials in lithium ion battery. (c) 2006 Elsevier B.V. All rights reserved.
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