Rational design of layered oxide materials for sodium-ion batteries

Abstract

Layering the charge Layered metal oxides such as lithium cobalt oxide have attracted great attention for rechargeable batteries. In lithium cells, only the octahedral structure forms, but in sodium cells, trigonal prismatic structures are also possible. However, there is a lack of understanding about how to predict and control the formation of each structure. Zhao et al. used the simple properties of ions, namely their charge and their radius appropriately weighted by stoichiometry, to determine whether sodium in the interlayers between the transition metal or other ion-oxide layers remain octahedral rather than switching over to trigonal prismatic coordination. Science , this issue p. 708

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Affiliated Institutions

• Centre National de la Recherche Scientifique FR
• Harvard University US
• Institut Polytechnique de Bordeaux FR
• Chinese Academy of Sciences CN
• Yangtze River Delta Physics Research Center (China) CN
• Institute of Physics CN
• Institut de Chimie de la Matière Condensée de Bordeaux FR
• Université de Bordeaux FR
• University of Toronto CA
• University of Chinese Academy of Sciences CN
• Tsinghua University CN
• University Town of Shenzhen CN
• Delft University of Technology NL

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