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Advanced Materials

α-Fe2O3 Nanotubes in Gas Sensor and Lithium-Ion Battery Applications

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  • This work was supported by the NSFC (20325102 and 90406001) and TCTPF-Key Project (200248 and 104055).

Abstract

Templated arrays of α-Fe2O3 nanotubes, produced using an alumina membrane, exhibit enhanced sensitivity to ethanol and hydrogen as well as enhanced electrochemical activity in lithium-ion batteries. The nanotubes, characterized by uniform size and shape (see Figure), possess a high specific surface area, leading to electrochemical activities much higher than that of bulk or nanoparticulate α-Fe2O3.

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