Preparation of nanosized cubic lithium lanthanum zirconate fast ion conductor via facile polymer-chelate combustion route
AssigneeArizona Board of Regents on behalf of Arizona State University
InventorsJon Mark Weller, Candace Chan
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Abstract
Nanosized cubic lithium lanthanum zirconate is synthesized by forming a solution including an organic compound and compounds of lithium, lanthanum, and zirconium; drying the solution to yield a solid; and heating the solid in the presence of oxygen to pyrolyze the organic compound to yield a product comprising nanosized cubic lithium lanthanum zirconate.
Claims23
A method of synthesizing cubic lithium lanthanum zirconate nanoparticles, the method comprising:
- forming a solution comprising an organic compound and compounds of lithium, lanthanum, and zirconium, wherein the organic compound is poly(vinyl alcohol);
- heating the solution to yield a solid;
- and
- calcining the solid in the presence of oxygen to pyrolyze the organic compound to yield a product comprising cubic lithium lanthanum zirconate nanoparticles, wherein heating the solution comprises drying the solution above 150° C.
A method of synthesizing cubic lithium lanthanum zirconate nanoparticles, the method comprising:
- forming a solution comprising an organic compound and compounds of lithium, lanthanum, and zirconium, wherein the organic compound is poly(vinyl alcohol),
- heating the solution to yield a solid, and
- calcining the solid in the presence of oxygen to pyrolyze the organic compound to yield a product comprising cubic lithium lanthanum zirconate nanoparticles,
- wherein heating the solution comprises heating to a temperature in a range of room temperature to 250° C. for a length of time in a range of 1 to 24 hours.
A method of synthesizing cubic lithium lanthanum zirconate nanoparticles, the method comprising:
- forming a solution comprising an organic compound and compounds of lithium, lanthanum, and zirconium, wherein the organic compound is poly(vinyl alcohol),
- heating the solution to yield a solid, and
- calcining the solid in the presence of oxygen to pyrolyze the organic compound to yield a product comprising cubic lithium lanthanum zirconate nanoparticles,
- wherein heating the solution comprises ramping a temperature of the solution to 130° C.
Dependencies are inferred from the claim text.