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

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

Research output: Contribution to journalArticlepeer-review

98 Scopus citations

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.

Original languageEnglish
Pages (from-to)11130-11134
Number of pages5
JournalJournal of Materials Chemistry A
Volume1
Issue number37
DOIs
StatePublished - 7 Oct 2013

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