Issue 37, 2013
From the journal:

Journal of Materials Chemistry A

Phase transition behavior of NaCrO2 during sodium extraction studied by synchrotron-based X-ray diffraction and absorption spectroscopy†

Yong-Ning Zhou,a   Jing-Jing Ding,b   Kyung-Wan Nam,a   Xiqian Yu,a   Seong-Min Bak,a   Enyuan Hu,a   Jue Liu,a   Jianming Bai,a   Hong Li,c   Zheng-Wen Fu*b  and  Xiao-Qing Yang*a  

* Corresponding authors

a Brookhaven National Laboratory, Upton, NY 11973, USA
E-mail: xyang@bnl.gov
Fax: +1 631 344 4071
Tel: +1 631 344 3663

b Department of Chemistry, Fudan University, Shanghai 200433, P.R. China
E-mail: zwfu@fudan.edu.cn
Tel: +86 021-6564-2522

c Institute of Physics, Chinese academy of Sciences, Beijing, P.R. China

Abstract

The structural evolution of layered NaCrO2 cathodes for sodium-ion batteries during charge was investigated using synchrotron-based in situ X-ray diffraction and ex situ X-ray absorption spectroscopy. Three solid solution phases with expanding ‘c’ and contracting ‘a’/‘b’ lattice parameters were observed. The coordination changes of Cr and Na during sodium extraction were also studied.

Graphical abstract: Phase transition behavior of NaCrO2 during sodium extraction studied by synchrotron-based X-ray diffraction and absorption spectroscopy

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Article information

DOI
https://doi.org/10.1039/C3TA12282D
Article type
Communication
Submitted
13 Jun 2013
Accepted
28 Jul 2013
First published
30 Jul 2013

J. Mater. Chem. A, 2013,1, 11130-11134

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Phase transition behavior of NaCrO2 during sodium extraction studied by synchrotron-based X-ray diffraction and absorption spectroscopy

Y. Zhou, J. Ding, K. Nam, X. Yu, S. Bak, E. Hu, J. Liu, J. Bai, H. Li, Z. Fu and X. Yang, J. Mater. Chem. A, 2013, 1, 11130 DOI: 10.1039/C3TA12282D

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