# US 11,906,867 B2 · Electrochemical devices and methods of forming same

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- Number: US 11,906,867 B2
- Document ID: US11906867B2
- Status: Granted
- Kind: B2
- Application number: 17/570,559
- Filed: 2022-01-07
- Published: 2022-04-28
- Granted: 2024-02-20
- Earliest claimed: 2018-07-31
- Assignees: Sage Electrochromics, Inc.
- Applicants: Sage Electrochromics, Inc.
- Inventors: Hannah Leung Ray; Ruth Anne Sarah Schlitz; Yi Jiang; Camille Mesnager; Wen Li; Carlijn L. Mulder; Jean-Christophe Giron
- Web page: https://patentgrep.com/patent/US11906867B2

## CPC

- G02F 1/1525: {characterised by a particular ion transporting layer, e.g. electrolyte}
- G02F 1/1533: {structural features not otherwise provided for}
- G02F 1/155: Electrodes
- G02F 1/163: Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor
- G02F 1/1524: Transition metal compounds
- G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS

## Abstract

An electrochemical device is disclosed. The electrochemical device includes a first transparent conductive layer, an electrochromic layer overlying the first transparent conductive layer, a counter electrode layer overlying the electrochromic layer, a second transparent conductive layer, and a switching speed parameter of not greater than 0.68 s/mm at 23° C.

## Claims

### Claim 1

An electrochemical device comprising:
a first transparent conductive layer;
a cathodic electrochemical layer overlying the first transparent conductive layer;
a MOxNy layer between the cathodic electrochemical layer and the anodic electrochemical layer, wherein M is a metal, x is between 0.1-6, and y is between 0.1-6;
an anodic electrochemical layer overlying the cathodic electrochemical layer; and
a second transparent conductive layer, wherein a switching speed parameter for the electrochemical device is not greater than 0.4 s/mm at 23° C., and wherein a shadowing parameter for the electrochemical device is less than 2.5L*.

### Claim 2 (depends on 1)

The electrochemical device of claim 1, wherein the MOxNy layer has a thickness of no greater than 10nm.

### Claim 3 (depends on 1)

The electrochemical device of claim 1, further comprising a SiOx:Al layer between the cathodic electrochemical layer and the anodic electrochemical layer.

### Claim 4 (depends on 1)

The electrochemical device of claim 1, further comprising
a substrate, wherein the first transparent conductive layer is on the substrate;
a first panel coupled to the substrate; and
a lamination layer between the substrate and the first panel.

### Claim 5 (depends on 4)

The electrochemical device of claim 4, further comprising a second panel coupled to the first panel.

### Claim 6 (depends on 1)

The electrochemical device of claim 1, further comprising a metallic oxide file, wherein the metallic oxide film comprises lithium, sodium, hydrogen, deuterium, potassium, calcium, barium, strontium, magnesium, oxidized lithium, Li2WO4, tungsten, nickel, lithium carbonate, lithium hydroxide, lithium peroxide, or any combination thereof.

### Claim 7 (depends on 6)

The electrochemical device of claim 6, wherein the metallic oxide film does not comprise a polymer.

### Claim 8 (depends on 1)

The electrochemical device of claim 1, wherein the cathodic electrochemical layer comprises an electrochromic material.

### Claim 9 (depends on 8)

The electrochemical device of claim 8, wherein the electrochromic material comprises WO3, V2O5, MoO3, Nb2O5, TiO2, CuO, Ni2O3, NiO, Ir2O3, Cr2O3, Co2O3, Mn2O3, mixed oxides(e.g., W—Mo oxide, W—V oxide), lithium, aluminum, zirconium, phosphorus, nitrogen, fluorine, chlorine, bromine, iodine, astatine, boron, a borate with or without lithium, a tantalum oxide with or without lithium, a lanthanide-based material with or without lithium, another lithium-based ceramic material, or any combination thereof.

### Claim 10 (depends on 1)

The electrochemical device of claim 1, wherein a second switching speed parameter for the electrochemical device is not greater than 1.0 s/mm at −20° C.

### Claim 11 (depends on 1)

The electrochemical device of claim 1, wherein the metal comprises an alkaline earth metal, transition metal, Zn, Ga, Ge, Al, Cd, In, Sn, Sb, Pb, Bi, B, Si, P, S, As, Se, Te, silicates, silicon oxides, tungsten oxides, tantalum oxides, niobium oxides, borates, aluminum oxides, lithium silicate, lithium aluminum silicate, lithium aluminum borate, lithium aluminum fluoride, lithium borate, lithium nitride, lithium zirconium silicate, lithium niobate, lithium borosilicate, lithium phosphosilicate, other lithium-based ceramic materials, lithium salts, and dopants including lithium, sodium, hydrogen, deuterium, potassium, calcium, barium, strontium, magnesium, or combinations thereof.

### Claim 12

An electrochemical device comprising:
a first transparent conductive layer;
a cathodic electrochemical layer overlying the first transparent conductive layer;
an anodic electrochemical layer overlying the cathodic electrochemical layer; and
a second transparent conductive layer, wherein a second switching speed parameter for the electrochemical device is not greater than 1.0 s/mm at −20° C.

### Claim 13 (depends on 12)

The electrochemical device of claim 12, further comprising a metallic oxide film between the cathodic electrochemical layer and the anodic electrochemical layer.

### Claim 14 (depends on 13)

The electrochemical device of claim 13, wherein the metallic oxide film comprises lithium, sodium, hydrogen, deuterium, potassium, calcium, barium, strontium, magnesium, oxidized lithium, Li2WO4, tungsten, nickel, lithium carbonate, lithium hydroxide, lithium peroxide, or any combination thereof.

### Claim 15 (depends on 13)

The electrochemical device of claim 13, wherein the metallic oxide film has a thickness greater than zero and no greater than 10nm.

### Claim 16

An electrochemical device comprising:
a first transparent conductive layer;
a cathodic electrochemical layer overlying the first transparent conductive layer;
an anodic electrochemical layer overlying the cathodic electrochemical layer;
a SiOx:A1 layer between the cathodic electrochemical layer and the anodic electrochemcial layer; and
a second transparent conductive layer, wherein the electrochemical device has a tinted transmission parameter of less than 8% at −20° C.

### Claim 17 (depends on 16)

The electrochemical device of claim 16, further comprising a metallic oxide film between the cathodic electrochemical layer and the anodic electrochemical layer.

### Claim 18 (depends on 17)

The electrochemical device of claim 17, wherein the metallic oxide film has a thickness of no greater than 1nm.