Electrochromic lithium nickel group 4 mixed metal oxides
AssigneeKinestral Technologies, Inc.
InventorsHye Jin Choi, Mark Bailey, John David Bass, Stephen Winthrop von Kugelgen, Eric Lachman, Howard W. Turner, Julian P. Bigi
Life of this patent
Estimating the term…
Abstract
Multi-layer devices comprising a layer of an electrochromic lithium nickel oxide composition on a first substrate, the lithium nickel oxide composition comprising lithium, nickel and a Group 4 metal selected from titanium, zirconium, hafnium and a combination thereof.
Claims25
A multi-layer device comprising a layer of a lithium nickel oxide composition on a first substrate, the lithium nickel oxide composition comprising lithium, nickel, and at least one Group 4 metal selected from the group consisting of titanium, zirconium, and hafnium, the lithium nickel oxide composition being characterized by a largest d-spacing of at least 2.5 Å,
- wherein the lithium nickel oxide composition comprises titanium, and
- wherein
- (i) the atomic ratio of lithium to the combined amount of nickel and titanium in the lithium nickel oxide composition is at least 0.4:1, respectively, and
- (ii) the atomic ratio of the amount of titanium to the combined amount of nickel and titanium in the lithium nickel oxide composition is about 0.025:1 to about 0.8:1, respectively.
A multi-layer device comprising a layer of a lithium nickel oxide composition on a first substrate, the lithium nickel oxide composition comprising lithium, nickel, and at least one Group 4 metal selected from the group consisting of titanium, zirconium, and hafnium, the lithium nickel oxide composition being characterized by a largest d-spacing of at least 2.5 Å,
- wherein the lithium nickel oxide composition comprises zirconium, and
- wherein:
- (i) the atomic ratio of lithium to the combined amount of nickel and zirconium in the lithium nickel oxide composition is at least 0.4:1, respectively, and
- (ii) the atomic ratio of the amount of zirconium to the combined amount of nickel and zirconium in the lithium nickel oxide composition is about 0.025:1 to about 0.8:1, respectively.
A multi-layer device comprising a layer of a lithium nickel oxide composition on a first substrate, the lithium nickel oxide composition comprising lithium, nickel, and at least one Group 4 metal selected from the group consisting of titanium, zirconium, and hafnium, the lithium nickel oxide composition being characterized by a largest d-spacing of at least 2.5 Å,
- wherein the lithium nickel oxide composition comprises hafnium, and
- wherein
- (i) the atomic ratio of lithium to the combined amount of nickel and hafnium in the lithium nickel oxide composition is at least 0.4:1, respectively, and
- (ii) the atomic ratio of the amount of hafnium to the combined amount of nickel and hafnium in the lithium nickel oxide composition is about 0.025:1 to about 0.8:1, respectively.
A multi-layer device comprising a layer of a lithium nickel oxide composition on a first substrate, the lithium nickel oxide composition comprising lithium, nickel, and at least one Group 4 metal selected from the group consisting of titanium, zirconium, and hafnium, the lithium nickel oxide composition being characterized by a largest d-spacing of at least 2.5 Å, wherein
- (i) the atomic ratio of lithium to the combined amount of nickel, titanium, zirconium and hafnium in the lithium nickel oxide composition is at least 0.4:1, respectively, and
- (ii) the atomic ratio of the combined amount of titanium, zirconium and hafnium to the combined amount of nickel, titanium, zirconium and hafnium in the lithium nickel oxide composition is about 0.025:1 to about 0.8:1, respectively.
A multi-layer device comprising a layer of a lithium nickel oxide composition on a first substrate, the lithium nickel oxide composition comprising lithium, nickel, and at least one Group 4 metal selected from the group consisting of titanium, zirconium, and hafnium, the lithium nickel oxide composition being characterized by a largest d-spacing of at least 2.5 Å, wherein
- (i) the lithium nickel oxide composition comprises at least one bleached state stabilizing element selected from the group consisting of Y, V, Nb, Ta, Mo, W, B, Al, Ga, In, Si, Ge, Sn, P, and Sb,
- (ii) the atomic ratio of lithium to the combined amount of nickel, titanium, zirconium, hafnium and the bleached state stabilizing element(s) in the lithium nickel oxide composition is at least 0.4:1, respectively, and
- (iii) the atomic ratio of the combined amount of titanium, zirconium, hafnium and the bleached state stabilizing element(s) to the combined amount of nickel, titanium, zirconium, hafnium and the bleached state stabilizing elements in the lithium nickel oxide composition is about 0.025:1 to about 0.8:1, respectively.
Dependencies are inferred from the claim text.