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Chin. Phys. B, 2012, Vol. 21(2): 028201    DOI: 10.1088/1674-1056/21/2/028201
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Spinel lithium titanate (Li4Ti5O12) as novel anode material for room-temperature sodium-ion battery

Zhao Liang, Pan Hui-Lin, Hu Yong-Sheng, Li Hong, Chen Li-Quan
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics,Chinese Academy of Sciences, Beijing 100190, China
Abstract  This is the first time that a novel anode material, spinel Li4Ti5O12 which is well known as a “zero-strain” anode material for lithium storage, has been introduced for sodium-ion battery. The Li4Ti5O12 shows an average Na storage voltage of about 1.0 V and a reversible capacity of about 145 mAh/g, thereby making it a promising anode for sodium-ion battery. Ex-situ X-ray diffraction (XRD) is used to investigate the structure change in the Na insertion/deinsertion process. Based on this, a possible Na storage mechanism is proposed.
Keywords:  spinel      lithium titanate      Li4Ti5O12      sodium-ion battery  
Received:  06 January 2012      Revised:  16 January 2012      Accepted manuscript online: 
PACS:  82.45.Yz (Nanostructured materials in electrochemistry)  
  82.47.Aa (Lithium-ion batteries)  
  82.47.Cb (Lead-acid, nickel-metal hydride and other batteries)  
  84.60.-h (Direct energy conversion and storage)  
Corresponding Authors:  Hu Yong-Sheng,yshu@aphy.iphy.ac.cn     E-mail:  yshu@aphy.iphy.ac.cn

Cite this article: 

Zhao Liang,Pan Hui-Lin,Hu Yong-Sheng,Li Hong,Chen Li-Quan Spinel lithium titanate (Li4Ti5O12) as novel anode material for room-temperature sodium-ion battery 2012 Chin. Phys. B 21 028201

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