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Type: Journal article
Title: Microwave-assisted synthesis of flower-like structure ε-MnO₂ as cathode for lithium ion batteries
Other Titles: Microwave-assisted synthesis of flower-like structure epsilon-MnO(2) as cathode for lithium ion batteries
Author: Li, D.
Du, G.
Wang, J.
Guo, Z.
Chen, Z.
Liu, H.
Citation: Journal of the Chinese Chemical Society, 2012; 59(10):1211-1215
Publisher: Wiley
Issue Date: 2012
ISSN: 0009-4536
Statement of
Dan Li, Guodong Du, Jieqiang Wang, Zaiping Guo, Zhixin Chen, Huakun Liu
Abstract: Nanostructured flower‐like ϵ‐MnO2 and α‐MnO2 nanowires were prepared by the microwave‐assisted hydrothermal method at 110 °C and 140 °C. The ϵ‐nanoflowers are about 500 nm in size and are composed of petals about 100 nm in length, while the α‐nanowires are 20‐30 μm in diameter and about 1 mm in length. The ϵ‐MnO2 demonstrates higher initial discharge capacity, while the α‐MnO2 shows greater cycling stability in different voltage ranges. Both phases of MnO2 show better cycling performance in ethylene carbonate (EC)/diethyl carbonate electrolyte (DEC) than in EC/dimethyl carbonate (DMC) electrolyte. The ϵ‐MnO2 sample delivered a discharge capacity of 116.2 mAh g−1 for up to 100 cycles, indicating that it is a promising cathode material for lithium ion batteries.
Rights: © 2012 The Chemical Society Located in Taipei & Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim, Germany
DOI: 10.1002/jccs.201200193
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Physics publications

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