An Aqueous Reduction Method To Synthesize Spinel-LiMn2O4 Nanoparticles as a Cathode Material for Rechargeable Lithium-Ion Batteries

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• 作者：V. Ganesh Kumar ; J. S. Gnanaraj ; S. Ben-David ; David M. Pickup ; Ernst R. H. van-Eck ; A. Gedanken ; and D. Aurbach
• 刊名：Chemistry of Materials
• 出版年：2003
• 出版时间：November 4, 2003
• 年：2003
• 卷：15
• 期：22
• 页码：4211 - 4216
• 全文大小：212K
• 年卷期：v.15,no.22(November 4, 2003)
• ISSN：1520-5002

文摘

A new synthetic method has been developed and demonstrated for the utilization ofcommercially cheap MnO₂ for the production of nanoparticles of LiMn₂O₄ spinel as a cathodematerial for Li-ion batteries. The process involves the insertion of lithium into electrolyticmanganese dioxide (EMD) in an aqueous medium with glucose as a mild reductant in openair. The material resulting from calcination is pure, spinel-structured Li_0.96Mn₂O₄ particlesof sub-micrometric and nanometric size that exhibit promising electrochemical behavior innonaqueous Li-salt solutions. Further development of this process may be interesting forthe commercial production of LiMn₂O₄ for Li-ion batteries.