Low temperature preparation and electrochemical properties of LiFeSi 2O6

Shiliang Zhou; Graham King; David O. Scanlon; Moulay T. Sougrati; Brent C. Melot

doi:10.1149/2.0611410jes

Low temperature preparation and electrochemical properties of LiFeSi ₂O₆

Shiliang Zhou, Graham King, David O. Scanlon, Moulay T. Sougrati, Brent C. Melot

Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

The growing demand for Li-ion batteries requires the development of inexpensive materials that can be made in a sustainable fashion. Here we report a new low-temperature preparation for and the first electrochemical characterization of LiFeSi₂O₆, a hugely Earth-abundant, rock-forming mineral. We have found that LiFeSi₂O₆ undergoes a reversible electrochemical reaction against Li centered around 2 V with capacities near 60% of the theoretical maximum. We employ high resolution synchrotron X-ray and neutron diffraction to characterize the structure and correlate the rigid connectivity of the framework with the very slow kinetics of diffusion.

Original language	English
Pages (from-to)	A1642-A1647
Journal	Journal of the Electrochemical Society
Volume	161
Issue number	10
DOIs	https://doi.org/10.1149/2.0611410jes
Publication status	Published - 2014

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Renewable Energy, Sustainability and the Environment
Surfaces, Coatings and Films
Electrochemistry
Materials Chemistry

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1149/2.0611410jes

Cite this

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AU - Melot, Brent C.

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