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All-solid-state electrochromic window and solid-state electrochromic mirror and preparation method thereof

An electrochromic and electrochromic layer technology, applied in instruments, nonlinear optics, optics, etc., can solve the problems of poor cycle stability, affecting the discoloration rate, low lithium ion conductivity, etc., and achieve the best stability and electron conduction. The effect of low rate and high lithium ion conductivity

Active Publication Date: 2020-09-29
NINGBO MI RUO ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Solid-state lithium-ion conductive electrolytes have been widely studied in all-solid-state electrochromic devices, but there are still shortcomings such as low lithium-ion conductivity (affecting discoloration rate) and poor cycle stability.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] The structure is [glass substrate / indium tin oxide conductive layer / lithium-intercalated vanadium pentoxide ion storage layer / Li 2.4 Si 0.6 Y 0.4 S 2.4 o 0.8 Electrolyte layer / tungsten trioxide electrochromic layer / indium tin oxide conductive layer] electrochromic window

[0050] Preparation method: from 10wt% SnO 2 and 90wt% In 2 o 3 The sintered ceramics are used as the target, and a conductive layer of indium tin oxide with a thickness of 150nm is plated on the glass substrate by radio frequency magnetron sputtering; metal vanadium is used as the target, and the mixed gas of argon and oxygen (flow rate Ratio of 1:9), a layer of vanadium pentoxide with a thickness of 200nm is plated on the conductive layer of indium tin oxide by radio frequency magnetron sputtering, and then made of vanadium pentoxide by thermal evaporation of metal lithium under vacuum Lithium intercalation vanadium pentoxide ion storage layer; with Li 2.4 Si 0.6 Y 0.4 S 2.4 o 0.8 As the ...

Embodiment 2

[0053] The structure is [glass substrate / aluminum-doped zinc oxide conductive layer / lithium intercalated tungsten trioxide ion storage layer / Li 2.4 Si 0.6 SM 0.6 S 3.1 o 0.4 Electrochromic window with electrolyte layer / nickel oxide electrochromic layer / aluminum-doped zinc oxide conductive layer]

[0054] Preparation method: from (1-x)ZnO+xAl 2 o 3 (x=2wt%) The sintered ceramics are the target material, and the aluminum-doped zinc oxide conductive layer with a thickness of 150nm is plated on the glass substrate by the radio frequency magnetron sputtering method; with the tungsten trioxide ceramic as the target material, the A layer of tungsten trioxide with a thickness of 200nm was plated on the aluminum-doped zinc oxide conductive layer by radio frequency magnetron sputtering, and then the lithium-intercalated tungsten trioxide ion storage layer was prepared by thermal evaporation of metal lithium under vacuum; 2.4 Si 0.6 SM 0.6 S 3.1 o 0.4 As the target material, an...

Embodiment 3

[0057] The structure is [glass substrate / reflective silver layer / indium tin oxide conductive layer / lithium-intercalated vanadium pentoxide ion storage layer / Li 2 Si Y 0.3 S 3.1 o 0.2 electrochromic mirror with electrolyte layer / tungsten trioxide electrochromic layer / indium tin oxide conductive layer]

[0058] Preparation method: Metal silver is used as the target material, and a silver reflective layer with a thickness of 70nm is plated on the glass substrate by radio frequency magnetron sputtering; 10wt% SnO 2 and 90wt% In 2 o 3 The sintered ceramics are used as the target, and a layer of indium tin oxide conductive layer with a thickness of 150nm is plated on the silver reflective layer by radio frequency magnetron sputtering; Ratio of 1:9), a layer of vanadium pentoxide with a thickness of 200nm is plated on the conductive layer of indium tin oxide by radio frequency magnetron sputtering, and then made of vanadium pentoxide by thermal evaporation of metal lithium under...

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Abstract

The invention relates to a solid electrolyte material. The chemical composition of the solid electrolyte material is LixSiyRezSmOn, wherein x is larger than or equal to 2 and smaller than or equal to3, y is larger than or equal to 0.5 and smaller than or equal to 2, z is larger than or equal to 0.3 and smaller than or equal to 0.6, (m+n) is larger than (x+4y+3z) / 2.1 and smaller than or equal to (x+4y+3Z) / 1.8, and Re is selected from rare earth elements Y, Gd, Gy or Sm. The solid electrolyte material is high in lithium ion conductivity, high in electron conductivity, wide in electrochemical window and high in temperature resistance. The invention further relates to a solid electrochromic device. An electrolyte is selected from the solid electrolyte material, an electrochromic layer is selected from at least one of tungsten oxide, bismuth trioxide, molybdenum trioxide or nickel oxide, and an ion storage layer is selected from at least one of lithium-embedded vanadium pentoxide, lithium-embedded titanium dioxide, lithium-embedded tungsten trioxide or lithium-embedded nickel oxide. The solid electrochromic device has the advantages of being short in color change response time and stable in performance.

Description

technical field [0001] The invention relates to the field of electrochromic, more particularly to a solid electrolyte material of an all-solid electrochromic device, a solid electrochromic window, a solid electrochromic mirror and a preparation method thereof. Background technique [0002] Electrochromism refers to the redox reaction of the material under the action of an external electric field or the injection or extraction of charges (electrons or ions) inside the molecular structure, which causes the optical properties of the material such as transmittance, absorptivity and reflectivity. Reversible changes occur in regions such as visible light, infrared light or ultraviolet light. This technology has very important application value in the fields of architectural glass, intelligent color-changing windows for vehicles, aircraft portholes, color-changing sunglasses, automotive anti-string rearview mirrors, information display and military technology. [0003] The composi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1514G02F1/1524G02F1/153
CPCG02F1/1508G02F1/1523
Inventor 曹贞虎胡珊珊
Owner NINGBO MI RUO ELECTRONICS TECH CO LTD