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Title: Neutron Spectroscopic and Thermochemical Characterization of Lithium–Aluminum-Layered Double Hydroxide Chloride: Implications for Lithium Recovery

Journal Article · · Journal of Physical Chemistry. C
 [1];  [2]; ORCiD logo [3]; ORCiD logo [1]; ORCiD logo [3];  [4]; ORCiD logo [2]
  1. Univ. of California, Davis, CA (United States). Nanomaterials in the Environment, Agriculture, and Technology Organized Research Unit (NEAT ORU); Univ. of California, Davis, CA (United States). Peter A. Rock Thermochemistry Lab.
  2. Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  4. All American Lithium, Brawley, CA (United States)
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Lithium–aluminum-layered double hydroxide chloride (LDH) has been recently shown to be a promising sorbent material for selective lithium extraction and recovery from geothermal brine. In this research, LDH samples synthesized from two different starting materials (alumina and gibbsite) and with two post-drying conditions (ambient-dried and oven-dried) as well as and Fe-doped LDH are studied using neutron vibrational spectroscopy. The results reveal differences in the ordering of interlayer water molecules. Thermochemical measurements of LDHs show that a higher interlayer ordering of water is directly related to the stability of gibbsite- and alumina-derived LDH. This corroborates with the previous work on increasing the stabilization of LDH via partial substitution of aluminum with iron. These results on the properties of LDH have implications on their lithium extraction abilities and subsequent recovery.

Research Organization:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE Office of Energy Efficiency and Renewable Energy (EERE), Energy Efficiency Office. Advanced Manufacturing Office
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1564207
Journal Information:
Journal of Physical Chemistry. C, Vol. 123, Issue 34; ISSN 1932-7447
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 13 works
Citation information provided by
Web of Science

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Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY