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Solid lithium electrolyte via addition of lithium salts to metal-organic frameworks

Patent ·
OSTI ID:1244217
; ;

Various embodiments of the invention disclose that the uptake of LiO.sup.iPr in Mg.sub.2(dobdc) (dobdc.sup.4-=1,4-dioxido-2,5-benzenedicarboxylate) followed by soaking in a typical electrolyte solution leads to a new solid lithium electrolyte Mg.sub.2(dobdc).0.35LiO.sup.iPr.0.25LiBF.sub.4.EC.DEC. Two-point ac impedance data show a pressed pellet of this material to have a conductivity of 3.1.times.10.sup.-4 S/cm at 300 K. In addition, the results from variable-temperature measurements reveal an activation energy of approximately 0.15 eV, while single-particle data suggest that intraparticle transport dominates conduction.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-05CH11231
Assignee:
The Regents of the University of California (Oakland, CA)
Patent Number(s):
9,300,010
Application Number:
13/962,718
OSTI ID:
1244217
Country of Publication:
United States
Language:
English

References (5)

Relationship between Structure and Solubility of Organic Lithium Compounds journal October 1965
Converting cobalt oxide subunits in cobalt metal-organic framework into agglomerated Co3O4 nanoparticles as an electrode material for lithium ion battery journal February 2010
The Surface Chemistry of Lithium Electrodes in Alkyl Carbonate Solutions journal January 1994
Post-Synthesis Alkoxide Formation Within Metal−Organic Framework Materials: A Strategy for Incorporating Highly Coordinatively Unsaturated Metal Ions
  • Mulfort, Karen L.; Farha, Omar K.; Stern, Charlotte L.
  • Journal of the American Chemical Society, Vol. 131, Issue 11, p. 3866-3868 https://doi.org/10.1021/ja809954r
journal March 2009
Evaluating metal–organic frameworks for post-combustion carbon dioxide capture via temperature swing adsorption journal January 2011

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Related Subjects

25 ENERGY STORAGE
36 MATERIALS SCIENCE
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY