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|Title:||PEG-Assisted synthesis of manganese oxide nanorods and their application as electrode material for lithium-ion batteries||Authors:||Ragupathy, P.
|Issue Date:||Sep-2013||Citation:||Ragupathy, P., Sundaramurthy, J., Kumar, P.S., Thavasi, V., Ramakrishna, S. (2013-09). PEG-Assisted synthesis of manganese oxide nanorods and their application as electrode material for lithium-ion batteries. Journal of Ceramic Science and Technology 4 (3) : 157-162. ScholarBank@NUS Repository. https://doi.org/10.4416/JCST2013-00007||Abstract:||In this work, we report on large-scale synthesis of α-MnO2 nanorods by the polyol route based on a simple redox reaction using an organic reducing agents potassium permanganate (KMnO4) and polyethylene glycol (PEG). The as-synthesized amorphous MnO2 is converted into crystalline form on annealing at temperature of 600 °C. The formation of MnO2 nanorod-like morphology is confirmed with scanning electron microscopy complemented with high-resolution transmission electron microscopy. The nanorods measure about 50 - 200 nm in length and 50 nm in diameter. The electrochemical lithium intercalation and de-intercalation of nanorods are performed by means of galvanostatic charge-discharge cycling. The initial discharge capacity of nanorod α-MnO2 is found to be about 214 mAh/g-1 with reasonably good rate capability. © 2013 Göller Verlag.||Source Title:||Journal of Ceramic Science and Technology||URI:||http://scholarbank.nus.edu.sg/handle/10635/85538||ISSN:||21909385||DOI:||10.4416/JCST2013-00007|
|Appears in Collections:||Staff Publications|
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