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Title: Electrochemical Properties of Electrodes Derived from NaTi3O6OH·2H2O in Sodium and Lithium Cells

Journal Article · · Journal of the Electrochemical Society
DOI:https://doi.org/10.1149/2.0391501jes· OSTI ID:1469152
 [1];  [1];  [1]
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Environmental Energy Technologies Division

Materials derived from the layered compound NaTi3O6OH·2H2O, also known as “sodium nonatitanate” or NNT, have recently been found to undergo reversible sodium or lithium intercalation processes at very low potentials. While practical discharge capacities in lithium cells can be above 200 mAh/g, making them of interest for high-energy applications, the presence of mobile sodium in the materials complicates the cycling behavior. A simple ion-exchange process prior to incorporation in electrochemical cells removes all sodium ions, producing the lithiated form of the material. The lithiated material (LNT) performs similarly to NNT in lithium cells, although coulombic inefficiencies are somewhat higher. A comparison is made between the behavior of NNT in sodium cells and that of NNT and the lithiated analog in lithium cells.

Research Organization:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC); LBNL Laboratory Directed Research and Development (LDRD) Program
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1469152
Report Number(s):
LBNL-181397; ir:181397
Journal Information:
Journal of the Electrochemical Society, Vol. 162, Issue 1; ISSN 0013-4651
Publisher:
The Electrochemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 10 works
Citation information provided by
Web of Science

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Cited By (4)

The State and Challenges of Anode Materials Based on Conversion Reactions for Sodium Storage journal March 2018
Removing structural water from sodium titanate anodes towards barrier-free ion diffusion for sodium ion batteries journal January 2017
Dual anode materials for lithium- and sodium-ion batteries journal January 2018
Sodium-based batteries: from critical materials to battery systems journal January 2019

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