Structural and Electrochemical Diversity in LiFe1-δZnδSO4F Solid Solution: A Fe-Based 3.9 V Positive-Electrode Material

被引：34

作者：

Ati, Mohammed ^{[1
]}

Melot, Brent C. ^{[1
]}

Rousse, Gwenaelle ^{[2
]}

Chotard, Jean-Noel ^{[1
]}

Barpanda, Prabeer ^{[3
]}

Tarascon, Jean-Marie ^{[1
,4
]}

机构：

[1] Univ Picardie, Lab React & Chim Solides, CNRS UMR 6007, F-80039 Amiens, France

[2] Univ Paris 06, IMPMC, UMR CNRS 7590, F-75252 Paris 05, France

[3] Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan

[4] Coll France, F-75005 Paris, France

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2011年 / 50卷 / 45期

关键词：

batteries; electrochemistry; fluorosulfates; lithium; solid-state structures; MAGNETIC-STRUCTURE; LITHIUM BATTERIES; CATHODE MATERIALS; LI; TRANSPORT; LIFESO4F; NI; CO;

D O I：

10.1002/anie.201104648

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Transition-metal fluorosulfates are currently under intense investigation for their use as anodes in Li-ion batteries. The substitution of Zn into LiFeSO4F has been found to trigger a transition from the tavorite structure to two separate polymorphs which crystallize in the sillimanite and triplite structures (see picture). These new phases show Fe2+/Fe 3+ redox potentials of 3.6 and 3.9 V versus Li, respectively. Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：10574 / 10577

页数：4

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