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Title: Ion-conduction mechanisms in NaSICON-type membranes for energy storage and utilization

Abstract

Next generation metal-ion conducting membranes are key to developing energy storage and utilization technologies like batteries and fuel ce lls. Sodium super-ionic conductors (aka NaSICON) are a class of compounds with AM 1 M 2 (PO 4 ) 3 stoichiometry where the choice of "A" and "M" cation varies widely. This report, which de scribes substitutional derivatives of NZP (NaZr 2 P 3 O 12 ), summarizes the accomplishments of a Laboratory D irected Research and Development (LDRD) project to analyze transport mec hanisms using a combination of in situ studies of structure, composition, and bonding, com bined with first principles theory and modeling. We developed an experimental platform and applied methods, such as synchrotron- based X-ray spectroscopies, to probe the electronic structure of compositionally well-controlled NaSICON films while in operation ( i.e ., conducting Na ions exposed to oxygen or water va por atmospheres). First principles theory and modeling were used to interpret the experimental observations and develop an enhanced understanding of atomistic processes that give rise to, and affect, ion conduction.

Authors:
 [1];  [1];  [1]
  1. Sandia National Laboratories (SNL-CA), Livermore, CA (United States); Sandia National Laboratories, Albuquerque, NM (United States)
Publication Date:
Research Org.:
Sandia National Lab. (SNL-CA), Livermore, CA (United States); Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1222927
Report Number(s):
SAND-2015-8531
607218
DOE Contract Number:  
AC04-94AL85000
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English

Citation Formats

McDaniel, Anthony H., Ihlefeld, Jon F., and Bartelt, Norman Charles. Ion-conduction mechanisms in NaSICON-type membranes for energy storage and utilization. United States: N. p., 2015. Web. doi:10.2172/1222927.
McDaniel, Anthony H., Ihlefeld, Jon F., & Bartelt, Norman Charles. Ion-conduction mechanisms in NaSICON-type membranes for energy storage and utilization. United States. https://doi.org/10.2172/1222927
McDaniel, Anthony H., Ihlefeld, Jon F., and Bartelt, Norman Charles. Thu . "Ion-conduction mechanisms in NaSICON-type membranes for energy storage and utilization". United States. https://doi.org/10.2172/1222927. https://www.osti.gov/servlets/purl/1222927.
@article{osti_1222927,
title = {Ion-conduction mechanisms in NaSICON-type membranes for energy storage and utilization},
author = {McDaniel, Anthony H. and Ihlefeld, Jon F. and Bartelt, Norman Charles},
abstractNote = {Next generation metal-ion conducting membranes are key to developing energy storage and utilization technologies like batteries and fuel ce lls. Sodium super-ionic conductors (aka NaSICON) are a class of compounds with AM 1 M 2 (PO 4 ) 3 stoichiometry where the choice of "A" and "M" cation varies widely. This report, which de scribes substitutional derivatives of NZP (NaZr 2 P 3 O 12 ), summarizes the accomplishments of a Laboratory D irected Research and Development (LDRD) project to analyze transport mec hanisms using a combination of in situ studies of structure, composition, and bonding, com bined with first principles theory and modeling. We developed an experimental platform and applied methods, such as synchrotron- based X-ray spectroscopies, to probe the electronic structure of compositionally well-controlled NaSICON films while in operation ( i.e ., conducting Na ions exposed to oxygen or water va por atmospheres). First principles theory and modeling were used to interpret the experimental observations and develop an enhanced understanding of atomistic processes that give rise to, and affect, ion conduction.},
doi = {10.2172/1222927},
url = {https://www.osti.gov/biblio/1222927}, journal = {},
number = ,
volume = ,
place = {United States},
year = {2015},
month = {10}
}