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Facile Preparation of Li0.44MnO₂ Nanorods and Their Enhanced Electrochemical Lithium Storage Performance
Cai Liu1, Xiaoming Peng1, Guyue Shang1
1College of Chemical Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China.
Abstract:
In this paper, we present a fast and green method to prepare Li0.44MnO₂ nanorods by Li/Na ion exchange of Na0.44MnO₂ templates. XRD and SEM confirm that the products still maintain the crystal and geometric structure of Na0.44MnO₂ temples. Electrochemical tests show the capacity of Li0.44MnO₂ nanorods is up to 218 mAh · g-1 at the current density of 0.1 A · g-1. Especially, the capacity of electrode is still located at 90 mAh · g-1 at the current density of 5.0 A· g-1 after cycling for 100 times. So Li0.44MnO₂ nanorods have a potential application in the next generation of advanced batteries.
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