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Reflective dimming electrochromic element inserted with non-water based hydrogen ion conductive electrolyte layer, and dimming element using said reflective dimming electrochromic element

An ionic conductivity, electrolyte layer technology, applied in nonlinear optics, optics, light-shielding screens, etc., can solve the problems of poor productivity, long process, high cost, etc., and achieve low-cost productivity, excellent operability, and excellent economy. Effect

Inactive Publication Date: 2014-05-14
NAT INST OF ADVANCED IND SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the production of this element using a solid thin film material as the electrolyte is a method of sequentially forming a multilayer film on a single transparent substrate, the process becomes very long when the size is increased, resulting in poor productivity and high cost. The problem
In addition, although the process can be shortened in the case of a solution type, since the reflective light-adjusting layer and the catalytic layer are not acid-resistant, it must be an alkaline electrolyte solution. If a general aqueous solution such as potassium hydroxide or sodium hydroxide is used, then There will be a problem of dissolving the reflective dimming layer and the catalytic layer

Method used

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  • Reflective dimming electrochromic element inserted with non-water based hydrogen ion conductive electrolyte layer, and dimming element using said reflective dimming electrochromic element
  • Reflective dimming electrochromic element inserted with non-water based hydrogen ion conductive electrolyte layer, and dimming element using said reflective dimming electrochromic element
  • Reflective dimming electrochromic element inserted with non-water based hydrogen ion conductive electrolyte layer, and dimming element using said reflective dimming electrochromic element

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0148] Hereinafter, Embodiment 1 of the present invention will be described. In this embodiment, with figure 1 The configuration shown produces a reflection-type dimming electrochromic element.

[0149] First, a glass plate with a thickness of 1.1 mm was used as the transparent substrate 10 , and tin-doped indium oxide having a surface resistance of 10Ω / □ was coated on the glass plate as the transparent electrode layer 20 . It was placed in a vacuum device for vacuum exhaust. On the formed transparent electrode layer 20, a tungsten oxide thin film was deposited as the ion storage layer 30 using a magnetron sputtering device. Film formation was performed using a reactive DC magnetron sputtering method in which a metal tungsten target was sputtered in a mixed atmosphere of argon and oxygen.

[0150] The mixed atmosphere is controlled by controlling the flow of argon and oxygen. The flow rate ratio of argon gas and oxygen gas was 7:1.5, the pressure in the vacuum chamber was ...

Embodiment 2

[0161] Utilizing the same steps as in Example 1, the ion storage layer 30 is vapor-deposited on the transparent substrate 10 composed of a glass substrate coated with tin-doped indium oxide as the transparent electrode layer 20: tungsten oxide, and on the glass substrate The transparent electrode layer 60: tin-doped indium oxide / reflective dimming layer 50: magnesium-nickel alloy / catalyst layer 40: palladium thin films were evaporated on the formed transparent substrate 70 using the magnetron sputtering method. plating. Various film-forming conditions are the same as in Example 1.

[0162] In addition, after measuring 0.1 ml of polyethyleneimine (molecular weight 600), which is an ion-conductive polymer, and diluting it in 10 ml of γ-butyrolactone, adding 0.10 g to 0.50 g of polyvinylpyrrolidone (PVP) K25, and prepared a non-aqueous hydrogen ion conductive electrolyte solution 80. The hydrogen ion index of the prepared solution 80 was 12. After the solution 80 is coated on ...

Embodiment 3

[0170] Using the same steps as in Example 1, the ion storage layer 30 was vapor-deposited on the transparent substrate 10 composed of a glass substrate coated with tin-doped indium oxide as the transparent electrode layer 20: tungsten oxide, and on the glass substrate 2 The thin films of transparent electrode layer 60 : tin-doped indium oxide / reflective dimming layer 50 : magnesium-nickel alloy / catalyst layer 40 : palladium were vapor-deposited using magnetron sputtering. Various film-forming conditions are the same as in Example 1.

[0171] Measure 0.1 ml of polyethyleneimine (molecular weight: 600), which is an ion-conductive polymer, dilute it in 10 ml of propylene carbonate, dissolve it, and add 0.25 g of polyvinylpyrrolidone (PVP) K25 to prepare Non-aqueous hydrogen ion conductive electrolyte solution 80 . The produced solution 80 has a hydrogen ion index of 12. After coating the solution 80 on the ion storage layer 30 made of tungsten oxide thin film on the transparent...

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Abstract

A reflective dimming element in which a multi-layer membrane is formed within a transparent base material, wherein: the multi-layer membrane is configured such that transparent base material (10) which is sequentially formed with transparent electrode layer (20) and an ion storage layer (30), and transparent base material (70) which is sequentially formed with transparent electrode layer (60), a reflective dimming layer (50), and a catalyst layer (40) or is sequentially formed with the reflective dimming layer (50) and the catalyst layer (40) have a structure in which a non-water based hydrogen ion conductive electrolyte layer (90) is inserted between the ion storage layer (30) and the catalyst layer (40); and the electrolyte layer (90) is formed from a non-water based hydrogen ion conductive electrolyte solution (80) containing an ion-conductive polymer and exhibits high hydrogen ion conductivity and high light-transmitting performance. As a consequence, a reflective dimming electrochromic element that enables switching in a short time over a wide range via low-voltage driving and a dimming member using said element are provided.

Description

technical field [0001] The present invention relates to a reflection-type controllable electrochromic element capable of electrically controlling transmission of light by electrically changing a glass or resin surface from a mirror state to a transmission state reversibly, and a light control member using the same. Background technique [0002] Generally speaking, the window glass of a building will become a large thermal opening. For example, about 48% of heat is lost through windows during heating in winter, and about 71% of heat enters through windows during cooling in summer. The same phenomenon also occurs in moving vehicles such as automobiles in which window glass serves as a large hot opening. In a car, the ratio of the window glass to the space is larger than in a building, and the occupants of the car have less room to hide from the sun, so the interior of a car placed in an environment under the hot sun can reach very high temperatures. [0003] In a measurement...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/15G02F1/1524
CPCE06B9/24G02F2202/34G02F2001/164G02F1/1525G02F1/1524G02F1/157G02F1/155G02F1/19
Inventor 田岛一树吉村和记山田保诚
Owner NAT INST OF ADVANCED IND SCI & TECH