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Formation of Fe2O3 Microboxes with Hierarchical Shell Structures from Metal–Organic Frameworks and Their Lithium Storage Properties
October 16 2012
October 15 2012
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Abstract
Fe(2)O(3) microboxes with hierarchically structured shells have been synthesized simply
by annealing Prussian blue (PB) microcubes. By utilizing simultaneous oxidative decomposition
of PB microcubes and crystal growth of iron oxide shells, we have demonstrated a scalable
synthesis of anisotropic hollow structures with various shell architectures. When
evaluated as an anode material for lithium ion batteries, the Fe(2)O(3) microboxes
with a well-defined hollow structure and hierarchical shell manifested high specific
capacity (~950 mA h g(-1) at 200 mA g(-1)) and excellent cycling performance.