Electrochromic lithium nickel group 4 mixed metal oxides

Patent metadata

Field	Value
Publication number	US-2019041713-A1
Application number	US-201816153284-A
Country	US
Kind code	A1
Filing date	Oct 5, 2018
Priority date	Jan 21, 2013
Publication date	Feb 7, 2019
Grant date	—

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.

First claim

1 . 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.

2 . The multi-layer device of claim 1 wherein the lithium nickel oxide composition exhibits long range ordering as measured by the presence of at least one reflection peak in the XRD pattern below 26 degrees (2θ) when measured with copper Kα radiation.

3 . The multi-layer device of claim 1 wherein the lithium nickel oxide composition comprises titanium.

4 . The multi-layer device of claim 4 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.

5 . The multi-layer device of claim 1 wherein the atomic ratio of lithium to the combined amount of nickel and titanium in the lithium nickel oxide composition is in the range about 0.75:1 to about 3:1, respectively.

6 . The multi-layer device of claim 1 wherein the atomic ratio of titanium to the combined amount of nickel and titanium in the lithium nickel oxide composition is in the range of about 0.1:1 and about 0.6:1, respectively.

7 . The multi-layer device of claim 1 wherein the lithium nickel oxide composition comprises zirconium.

8 . The multi-layer device of claim 1 wherein 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.

9 . The multi-layer device of claim 8 wherein the atomic ratio of lithium to the combined amount of nickel and zirconium in the lithium nickel oxide composition is in the range of about 0.75:1 to about 3:1, respectively.

10 . The multi-layer device of claim 8 wherein the atomic ratio of zirconium to the combined amount of nickel and zirconium in the lithium nickel oxide composition is in the range of about 0.1:1 and about 0.6:1, respectively.

11 . The multi-layer device of claim 1 wherein the lithium nickel oxide composition comprises hafnium.

12 . The multi-layer device of claim 11 wherein 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.

13 . The multi-layer device of claim 12 wherein the atomic ratio of lithium to the combined amount of nickel and hafnium in the lithium nickel oxide composition is in the range of about 0.75:1 to about 3:1, respectively.

14 . The multi-layer device of claim 12 wherein the atomic ratio of hafnium to the combined amount of nickel and hafnium in the lithium nickel oxide composition is in the range of about 0.1:1 and about 0.6:1, respectively.

15 . The multi-layer device of claim 1 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.

16 . The multi-layer device of claim 15 wherein the atomic ratio of lithium to the combined amount of nickel, titanium, zirconium and hafnium in the lithium nickel oxide composition is in the range about 0.75:1 to about 3:1, respectively.

17 . The multi-layer device of claim 15 wherein 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 in the range of about 0.1:1 and about 0.6:1, respectively.

18 . The multi-layer device of claim 1 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.

19 . The multi-layer device of claim 18 wherein 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 in the range about 0.75:1 to about 3:1, respectively.

20 . The multi-layer device of claim 18 wherein the atomic ratio of the combined amount of titanium, zirconium, hafnium and the bleached state stabilizing elements to the combined amount of nickel, titanium, zirconium, hafnium and the bleached state stabilizing element(s) in the lithium nickel oxide composition is in the range of about 0.1:1 and about 0.6:1, respectively.

21 .- 27 . (canceled)

Assignees

• Kinestral Tech Inc

Inventors

• Choi Hye Jin
• Bailey Mark
• Bass John David
• Von Kugelgen Stephen Winthrop
• Lachman Eric
• Turner Howard W
• Bigi Julian P

Classifications

• Y10T428/265

  1 mil or less · CPC title

• C01G53/42

  containing alkali metals, e.g. LiNiO2 · CPC title

• G02F1/1523 Primary

  comprising inorganic material · CPC title

• C09K9/00 Primary

  Tenebrescent materials, i.e. materials for which the range of wavelengths for energy absorption is changed as a result of excitation by some form of energy · CPC title

• G02F1/1524

  Transition metal compounds · CPC title