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|Title:||Synthesis and characterization of the hollandite-type MnO2 as a cathode material in lithium batteries|
|Citation:||Dai, J., Li, S.F.Y., Siow, K.S., Gao, Z. (2000-03-31). Synthesis and characterization of the hollandite-type MnO2 as a cathode material in lithium batteries. Electrochimica Acta 45 (14) : 2211-2217. ScholarBank@NUS Repository. https://doi.org/10.1016/S0013-4686(99)00441-7|
|Abstract:||Hollandite-type MnO2 (HMDO) with hydronium as tunnel counter ion was synthesized by oxidation of MnSO4 with ozone in a concentrated sulfuric acid solution. Its composition and structure were analyzed and characterized by inductive coupled plasma atomic emission spectrometry (ICP-AES), titration, Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD) and scanning electron microscopy (SEM). Hydronium can be exchanged with hydrated lithium ion and the exchanged HMDO can be dehydrated at 300 °C. Cyclic voltammetry and galvanostatic charge-discharge study showed that HMDO with lithium ion exchanged and dehydrated had potential to be used as a cathode material in lithium secondary batteries.|
|Source Title:||Electrochimica Acta|
|Appears in Collections:||Staff Publications|
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