An electro-optic assembly includes a first substrate and a second substrate that is disposed in a substantially parallel spaced apart relationship with the first substrate. A first conductive layer is disposed on the first substrate, and a second conductive layer is disposed on the second substrate. A cathodic electro-optic film is in contact with the second conductive layer and includes a cathodic species. An anodic electro-optic film is in contact with the first conductive layer. The anodic electro-optic film includes a plurality of anodic species mixed at a molar ratio that is configured to generally maintain an a* value and a b* value of the electro-optic assembly both staying between −8 and 8 between a high-end transmission state and a fully darkened state caused by an applied voltage range. An electrolyte medium is disposed between the cathodic and anodic electro-optic films.

Disclosed is an arbitrarily tailorable electrochromic device and use thereof, wherein the electrochromic device includes in order of a first transparent flexible substrate, a first transparent electron-conductive layer, an electrochromic layer, an electrolyte solution with automatically curable in presence of air and/or moisture to achieve a self-encapsulation function, an ion storage layer, a second transparent electron-conductive layer and a second transparent flexible substrate. The electrochromic device of the present disclosure is arbitrarily tailorable and can be used in various applications.

Dynamic windows with adjustable tint give users greater control over flow of light and heat. Reversible metal electrodeposition dynamic windows include (i) a transparent or translucent conductive electrode; (ii) an electrolyte solution in contact with the electrode, the electrolyte solution comprising metal cations that are reversibly electrodeposited onto the transparent electrode upon application of a cathodic potential; and (iii) a counter electrode. The electrolyte solution advantageously includes a small amount of an additive (e.g., an inhibitor, an accelerator, a leveler, or an organic or inorganic molecule that similarly serves to enhance the surface morphology of the metal cations during reversible metal electrodeposition onto the transparent electrode). Such enhancement of surface morphology during the reversible electrodeposition of the metal tinting layer over the electrode enhances one or more of color neutrality, transmittance characteristics of visible wavelengths (e.g., ability to achieve a near 0% transmission privacy state), infrared reflectance, or switching speed.

Broadband electrochromic devices (ECDs) with independent band-selectivity over visible and near-infrared (NIR) radiation have attracted immense interest because of their functional benefits over the conventional ECDs. The independent dual band activity in ECDs usually needs special architecting by blending/layering different materials having activity in two different regions. The present invention provides a broadband electrochromic device that comprises a layer of polycrystalline nanosheets and an amorphous porous layer. Here we demonstrated achieving a remarkably high visible modulation with unprecedented NIR blocking performance by employing a bi-layered electrode of the same material, i.e. porous a-WO.sub.3 layer on top of polycrystalline WO.sub.3.Math.H.sub.2O nanosheets. This facile and inexpensive electrode preparation could provide a new platform for realizing high-performing dynamic smart glass with extraordinary spectrally-selective energy saving.

A system and method for color correction in an electrochromic device includes applying a stepped voltage profile to the electrochromic device in a high-transmission state to achieve a desired low-transmission state. Each step of the stepped voltage profile is at a step difference of about 0.01 volts to about 0.5 volts from an adjacent step with each successive step being at a varying voltage level and each of the steps is held for a time period from about 0.1 seconds to about 10 seconds. At the desired low-transmission state, the system and method include applying a reverse bias voltage from about 0.01 volts to about 0.5 volts for about 0.01 seconds to about 10 seconds to color correct the low-transmission state.

A method of forming an electrochromic (EC) device includes forming a solid-state first electrolyte layer, after forming the solid-state first electrolyte layer, laminating the first solid-state first electrolyte layer between a transparent first substrate and a transparent second substrate such that a transparent first electrode is disposed between the first substrate and a first side of the solid-state first electrolyte layer, and a transparent second electrode is disposed between the second substrate and a second side of the solid-state first electrolyte layer, and applying a sealant to seal the solid-state first electrolyte layer between the first and second substrates and to form the EC device.

The present disclosure relates generally to methods for the integration of electrochromic films onto a substrate, such as a glass window, and the systems/structures formed via such methods.

A self-heating electrochromic device and related manufacturing methods are provided. The electrochromic device includes a bottom electrode layer and a bottom substrate attached to each other; a top electrode layer and a top substrate attached to each other; an electrochromic layer, an electrolyte layer, and a charge storage layer sandwiched by the bottom electrode layer and the top electrode layer. Two first high conductive bars may be respectively provided on two edges of the bottom electrode layer, and two second high conductive bars may be respectively provided on two edges of the top electrode layer. The first and second high conductive bars may be configured to generate a current in the electrode layer in response to a voltage, and thus increase the temperature of the electrochromic device, thereby improving the switching speed of the electrochromic device in a low temperature environment.

Multi-layer electrochromic structures, and processes for assembling such structures, incorporating a cross-linked ion conducting polymer layer that maintains high adhesive and cohesive strength in combination with high ionic conductivity for an extended period of time, the ion conducting polymer layer characterized by electrochemical stability at voltages between about 1.3 V and about 4.4 V relative to lithium, lithium ion conductivity of at least about 10.sup.−5 s/cm, and lap shear strength of at least 100 kPa, as measured at 1.27 mm/min in accordance with ASTM International standard D1002 or D3163.

Disclosed herein is a solid polymer electrolyte membrane prepared by subjecting an oligomer-containing composition to a polymerization reaction. The oligomer-containing composition includes ethoxylated multifunctional acrylate monomer, polyether amine oligomer, and a lithium salt. An electrochromic device including an anode, a cathode, and the solid polymer electrolyte membrane is also disclosed. The solid polymer electrolyte membrane is disposed between the anode and the cathode.