Electrochromic lithium nickel group 4 mixed metal oxides

Patent metadata

Field	Value
Publication number	US-10095079-B2
Application number	US-201514961709-A
Country	US
Kind code	B2
Filing date	Dec 7, 2015
Priority date	Jan 21, 2013
Publication date	Oct 9, 2018
Grant date	Oct 9, 2018

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

What is claimed is:

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,
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.

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 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.

4. 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.

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

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

7. The multi-layer device of claim 1 wherein the lithium nickel oxide composition layer has an average thickness between 25 nm and 2,000 nm.

8. The multi-layer device of claim 1 wherein the first substrate comprises glass, plastic, metal, or metal-coated glass or plastic.

9. The multi-layer device of claim 1 wherein the multi-layer device further comprises a first transparent conductive oxide layer and the first transparent conductive oxide layer is between the lithium nickel oxide composition layer and the first substrate.

10. The multi-layer device of claim 1 wherein the lithium nickel oxide composition comprises at least 0.05 wt. % carbon.

11. The multi-layer device of claim 1 wherein the lithium nickel oxide composition has a bleached state voltage of at least 2V.

12. The multi-layer device of claim 1 wherein the multi-layer device further comprises a second substrate, a second electrically conductive layer, a cathode layer, and an ion conductor layer, wherein the first electrically conductive layer is between the first substrate and the lithium nickel oxide layer, the lithium nickel oxide layer is between the first electrically conductive layer and the ion conductor layer, the second electrically conductive layer is between the cathode layer and the second substrate, the cathode layer is between the second electrically conductive layer and the ion conductor layer, and the ion conductor layer is between the cathode layer and the lithium nickel oxide anode layer.

13. An electrochromic device comprising the multi-layer device of claim 1 .

14. 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.

15. The multi-layer device of claim 14 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.

16. The multi-layer device of claim 14 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.

17. 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.

18. The multi-layer device of claim 17 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.

19. The multi-layer device of claim 17 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.

20. 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.

21. The multi-layer device of claim 20 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.

22. The multi-layer device of claim 20 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.

23. 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

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

• 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

• G02F1/1523 Primary

  comprising inorganic material · CPC title

• G02F1/1524

  Transition metal compounds · CPC title