Hydrothermally synthesized single-crystalline hematite (α - Fe 2 O 3 ) nanorods were investigated as an anode material for Li-ion batteries. Electrodes prepared with this material exhibited initial reversible capacities of 908 mAh g –1 at 0.2 C rate and 837 mAh g –1 at 0.5 C rate, and these capacities were completely retained after numerous cycles. The α - Fe 2 O 3 nanorods average ∼40 nm in diameter and ∼400 nm in length providing a short path for lithium-ion diffusion and effective accommodation of the strain generated from volume expansion during the lithiation/delithiation process.
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Lin et al. (2011) studied this question.
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