A novel approach to employ Li<Subscript>2</Subscript>MnSiO<Subscript>4</Subscript> as anode active material for lithium batteries期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

A novel approach to employ Li2MnSiO4 as anode active material for lithium batteries

Authors:	V. Aravindan K. Karthikeyan S. Amaresh H. S. Kim D. R. Chang Y. S. Lee

Affiliation:	(1) Faculty of Applied Chemical Engineering, Chonnam National University, Gwangju, 500-757, South Korea;(2) Korea Institute of Industrial Technology, Gwangju, 500-480, South Korea;(3) Present address: Energy Research Institute, Nanyang Technological University, Singapore, 639798, Singapore

Abstract:	In the present paper, we describe utilization of cathode active material as anode active material, for example, Li₂MnSiO₄. The lithium manganese silicate has been successfully synthesized by solid-state reaction method. The X-ray diffraction pattern confirms the orthorhombic structure with Pmn2 ₁ space group. The Li/Li₂MnSiO₄ cell delivered the initial discharge capacity of 420 mA h g⁻¹, which is 110 mA h g⁻¹ higher than graphitic anodes. The electrochemical reversibility and solid electrolyte interface formation of the Li₂MnSiO₄ electrode was emphasized by cyclic voltammetry.

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