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Title: NaAlTi3O8, A Novel Anode Material for Sodium Ion Battery

Journal Article · · Scientific Reports
 [1]; ORCiD logo [2];  [3];  [1]
  1. Georgia Inst. of Technology, Atlanta, GA (United States). The Woodruff School of Mechanical Engineering
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Chemical and Engineering Materials Division
  3. Brookhaven National Lab. (BNL), Upton, NY (United States). National Synchrotron Light Source II

Sodium ion batteries are being considered as an alternative to lithium ion batteries in large-scale energy storage applications owing to the low cost. A novel titanate compound, NaAlTi3O8, was successfully synthesized and tested as a promising anode material for sodium ion batteries. Powder X-ray Diffraction (XRD) and refinement were used to analyze the crystal structure. Electrochemical cycling tests under a C/10 rate between 0.01 - 2.5 V showed that ~83 mAh/g capacity could be achieved in the second cycle, with ~75% of which retained after 100 cycles, which corresponds to 0.75 Na+ insertion and extraction. The influence of synthesis conditions on electrochemical performances was investigated and discussed. In conclusion, NaAlTi3O8 not only presents a new anode material with low average voltage of ~0.5 V, but also provides a new type of intercalation anode with a crystal structure that differentiates from the anodes that have been reported.

Research Organization:
Georgia Institute of Technology, Atlanta, GA (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)
Contributing Organization:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Grant/Contract Number:
AC05-00OR22725; 1410936; SC00112704
OSTI ID:
1352810
Alternate ID(s):
OSTI ID: 1376120
Report Number(s):
BNL-114010-2017-JA; KC0402010; ERKCSNX
Journal Information:
Scientific Reports, Vol. 7; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 24 works
Citation information provided by
Web of Science

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book October 2010

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Na3SbSe4−xS x as Sodium Superionic Conductors journal June 2018

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