Systems and methods for selectively extracting alkaline metals from metal-rich solutions using solid state ionic conductive electrolyte membrane
AssigneeAmpcera Inc.
InventorsHui Du, Sumin Zhu, James Emery Brown
Life of this patent
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Abstract
A solid state ionic conductive electrolyte membrane may include a garnet-like structure oxide material. A solid state ionic conductive electrolyte membrane may include a multi-channel porous support structure and a solid state ionic conductive electrolyte in the multi-channel porous support structure. Systems and methods for selectively extracting alkaline metals include the solid state ionic conductive electrolyte membrane.
Claims23
A solid state ionic conductive electrolyte membrane comprising a garnet-like structure oxide material with the general formula:
- Lin[A(3-a′-a″)A′(a′)A″(a″)][B(2-b′-b″)B′(b′)B″(b″)][C″(c″)]O12,
- a. where A, A′, and A″ stand for a dodecahedral position of the crystal structure,
- i. where A stands for one or more trivalent rare earth elements,
- ii. where A′ stands for one or more alkaline earth elements,
- iii. where A″ stands for one or more alkaline metal elements other than Li, and
- iv. wherein 0≤a′≤2 and 0≤a″≤1;
- b. where B, B′, and B″ stand for an octahedral position of the crystal structure,
- i. where B stands for one or more tetravalent elements,
- ii. where B′ stands for one or more pentavalent elements,
- iii. where B″ stands for one or more hexavalent elements, and
- iv. wherein 0≤b′+b″≤2;
- c. where C′ and C″ stand for a tetrahedral position of the crystal structure,
- i. where C′ stands for one or more of Al, Ga, and boron,
- ii. where C″ stands for one or more of Si and Ge, and
- iii. wherein 0≤c′≤0.5 and 0≤c″≤0.4;
- and
- d. wherein n=7+a′+2·a″−b′−2·b″−3·c′−4·c″ and 4.5≤n≤7.5.
(canceled)
A solid state ionic conductive electrolyte membrane comprising a garnet-like structure oxide material with the general formula:
- Lin[A(3-a′-a″)A′(a′)A″(a″)][B(2-b′-b″)B′(b′)B″(b″)][C″(c″)]O12,
- a. where A, A′, and A″ stand for a dodecahedral position of the crystal structure,
- i. where A stands for one or more of La, Y, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, and Yb,
- ii. where A′ stands for one or more of Ca, Sr, and Ba,
- iii. where A″ stands for one or more of Na and K, and
- iv. wherein 0<a′<2 and 0<a″<1;
- b. where B, B′, and B″ stand for an octahedral position of the crystal structure,
- i. where B stands for one or more of Zr and Hf,
- ii. where B′ stands for one or more of Ta, Nb, Sb, and Bi,
- iii. where B″ stands for one or more of Te, W, and Mo, and
- iv. wherein 0<b′+b″<2;
- c. where C′ and C″ stand for a tetrahedral position of the crystal structure,
- i. where C′ stands for one or more of Al and Ga,
- ii. where C″ stands for one or more of Si and Ge, and
- iii. wherein 0<c′<0.5 and 0<c″<0.4;
- and
- d. wherein n=7+a′+2·a″−b′−2·b″−3·c′−4·c″ and 5.5≤n≤6.875.
A solid state ionic conductive electrolyte membrane comprising a multi-channel porous support structure and a solid state ionic conductive electrolyte in the multi-channel porous support structure.
20-21. (canceled)
23-24. (canceled)
Dependencies are inferred from the claim text.