Direct atomic-scale confirmation of three-phase storage mechanism in Li4Ti5O12 anodes for room-temperature sodium-ion batteries

• DOI: 10.1038/ncomms2878
• Publication Date: 2013-05-21T09:07:36Z
• Authors: Yang Sun; Liang Zhao; Huilin Pan; Xia Lu; Lin Gu; Yong-Sheng Hu; Hong Li; Michel Armand; Yuichi Ikuhara; Liquan Chen; Xuejie Huang
• Keywords: 01 natural sciences; 7. Clean energy; 0104 chemical sciences

The development of suitable anode materials for room-temperature sodium-ion batteries remains a challenging issue. Sun et al. show that the well-known zero-strain Li4Ti5O12 anode for lithium storage is capable of reversibly hosting sodium ions via a three-phase storage mechanism.