Synthesis and Characterization of Ramsdellite Type Lithium Titanate Anode Materials by Spray Pyrolysis

Abstract:

Spherical Li₂Ti₃O₇ precursor powders were successfully prepared by spray pyrolysis. X-ray diffraction analysis revealed that the ramsdellite phase was obtained by calcining at 1100 °C for 3 h under an argon/hydrogen (95/5 %) atmosphere. The Li₂Ti₃O₇ anode exhibited higher rechargeable capacity and excellent cycle stability. The rechargeable capacity of the Li₂Ti₃O₇ anode was approximately 168 mAh/g at 0.1 C. The discharge capacity of the Li₂Ti₃O₇ anode after 100 cycles was approximately 90% of the initial discharge capacity.

• Periodical: Key Engineering Materials (Volume 566)
• Pages: 127-130
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.566.127
• Online since: July 2013
• Authors: Hiroshi Kawaguchi, Takayuki Kodera, Takashi Ogihara
• Keywords: Anode, Li₂Ti₃O₇, Lithium Titanate, Lithium-Ion Battery, Ramsdellite, Spray Pyrolysis

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