US 11,053,134 B2
Synthesis of nanosized cubic lithium lanthanum zirconate fast ion conductor
Jon Mark Weller, Phoenix, AZ (US); and Candace Chan, Phoenix, AZ (US)
Assigned to Arizona Board of Regents on behalf of Arizona State University, Scottsdale, AZ (US)
Filed by Jon Mark Weller, Phoenix, AZ (US); and Candace Chan, Phoenix, AZ (US)
Filed on Aug. 24, 2018, as Appl. No. 16/111,939.
Claims priority of provisional application 62/550,155, filed on Aug. 25, 2017.
Prior Publication US 2019/0062176 A1, Feb. 28, 2019
Int. Cl. C01G 25/00 (2006.01); H01M 10/0525 (2010.01); H01M 10/0562 (2010.01)
CPC C01G 25/006 (2013.01) [H01M 10/0525 (2013.01); H01M 10/0562 (2013.01); C01P 2002/72 (2013.01); C01P 2002/74 (2013.01); C01P 2002/76 (2013.01); C01P 2002/85 (2013.01); C01P 2004/04 (2013.01); C01P 2004/51 (2013.01); C01P 2004/62 (2013.01); C01P 2004/64 (2013.01); C01P 2006/40 (2013.01); H01M 2300/0077 (2013.01)] 20 Claims
OG exemplary drawing
1. A method of synthesizing lithium lanthanum zirconate, the method comprising:
combining a reagent composition with a salt composition to yield a salt reaction medium, wherein the reagent composition comprises a lithium component, a lanthanum component, and zirconium component having a lithium:lanthanum:zirconium molar ratio of about 7:3:2;
heating the salt reaction medium to yield a reaction product; and
washing the reaction product to yield a crystalline powder comprising lithium lanthanum zirconate,
wherein the salt composition is selected from the group consisting of one of the following mixtures:
a eutectic mixture of potassium chloride and lithium chloride,
a eutectic mixture of lithium carbonate, sodium carbonate, and potassium carbonate,
a eutectic mixture of lithium chloride and lithium hydroxide,
a eutectic mixture of lithium bromide and potassium bromide, and
a basic mixture of lithium nitrate, lithium peroxide, and lithium hydroxide in a molar ratio of 1:2:2.