Preparation method of laminated color-changing glass
By plating the conductive layer and color-changing layer on the glass substrate and setting up the ionic conductor electrolyte colloid to form a colloidal electrolyte layer, the problem of color-changing uniformity and insufficient cycle life of the laminated color-changing glass is solved, and a more efficient color-changing effect is achieved. Suitable for a variety of glass applications.
Patent Information
- Application Number
- CN202310257546.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-03-07
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2043-03-07
AI Technical Summary
The existing laminated color-changing glass has insufficient color-changing uniformity and color-changing cycle life in large-area product devices, which affects its application in engineering.
Using a laminated color-changing glass preparation method, by plating a conductive layer and a color-changing layer on a glass substrate, and ion conductor electrolyte colloids are arranged therebetween to form a colloidal electrolyte layer, and the main color-changing layer and colloidal electrolyte are combined by combining sheet processing. The layer undergoes chemical reaction to form a transition layer, improving color discoloration uniformity and response efficiency.
It improves the uniformity and efficiency of laminated color-changing glass during large-area discoloration, extends the color-changing cycle, and is suitable for construction, automobile and aviation glass.
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Figure CN116184734B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of glass preparation, in particular to a method for preparing laminated color-changing glass. Background Art
[0002] Under the concept of developing a low-carbon economy, the construction industry, which bears the heavy responsibility of energy conservation and emission reduction, will play an increasingly important role in the development of low-carbon and energy-saving industries. At present, my country's building energy-saving glass is mainly low-emissivity (Low-E) glass, which greatly reduces the sunlight passing through the window glass and greatly improves the insulation performance of the window glass. However, after being used on the wall, its optical and thermal properties cannot be adjusted at any time with environmental changes, and it is difficult to adapt to the needs of my country's cold winter and hot summer areas. Therefore, "intelligent energy-saving glass" with optically variable properties is a new type of building energy-saving glass product in the "post-Low-E" era that the market expects. There are now various energy-saving glasses that use different physical stimuli such as electricity, gas, light, and heat to achieve adjustable glass photothermal properties. Among them, intelligent energy-saving glass that can adapt to changes in ambient temperature to achieve automatic photothermal adjustment is the current research and development hotspot. The above energy-saving requirements are also applicable to automotive glass and aviation glass. At present, the electrochromic method can achieve automatic photothermal adjustment and bring a comfortable appearance.
[0003] Electrochromism refers to the phenomenon that the optical properties of materials undergo continuous and reversible changes under the action of an external electric field, which is intuitively manifested as a process in which the color and transparency of the material undergo reversible changes. Using this electrochromic energy-saving window, it is possible to achieve sub-band automatic regulation of light and heat in almost all bands related to comfort and energy saving. In the ultraviolet band, it can fully reflect or absorb ultraviolet rays that are harmful to the human body and objects; it has an appropriate transmittance in the visible light band to ensure an appropriate amount of soft natural lighting in the room; in the infrared band of sunlight that is most sensitive to the human body's sense of warmth and cold, it can achieve large-scale automatic regulation to obtain maximum comfort and high energy-saving effects, block heat in summer, and let heat out in winter, achieving a completely low-carbon effect of warm in winter and cool in summer.
[0004] At present, in the industrialization process of laminated photochromic glass, electrochromic products still have many defects in the color change uniformity of large-area product devices and the color change cycle life. Due to the problems of large-area non-uniform color change and short cycle life, its application in engineering is greatly affected.
[0005] Therefore, a method for preparing laminated photochromic glass is proposed to improve the uniformity and color change period of the photochromic glass, which is an urgent problem to be solved by the present invention. Summary of the invention
[0006] In view of the above problems, an embodiment of the present invention provides a method for preparing a laminated photochromic glass, so as to improve the uniformity of the color change of the laminated photochromic glass and the efficiency of the color change response.
[0007] The embodiment of the present invention discloses a method for preparing electrochromic glass, comprising: providing a first glass substrate and a second glass substrate; coating a first conductive layer on the first glass substrate; coating a main color-changing layer on the first conductive layer to obtain a first target substrate layer;
[0008] A second conductive layer is plated on the second glass substrate; an auxiliary color-changing layer is plated on the second conductive layer to obtain a second target substrate layer; an ion conductor electrolyte colloid is arranged between the first target substrate layer and the second target substrate layer to form a colloidal electrolyte layer; wherein the ion conductor electrolyte colloid comprises: a high molecular polymer, an inorganic lithium-containing compound, an organic solvent and a curing agent; the first target substrate layer, the second target substrate layer and the colloidal electrolyte layer are laminated to obtain a laminated color-changing glass.
[0009] In one embodiment of the present invention, the step of providing an ion conductor electrolyte colloid between the first target substrate layer and the second target substrate layer comprises: placing the ion conductor electrolyte colloid between the first target substrate layer and the second target substrate layer by perfusion.
[0010] In one embodiment of the present invention, the first target substrate layer, the second target substrate layer and the gel electrolyte layer are combined to obtain a laminated color-changing glass, comprising: heating the first target substrate layer, the second target substrate layer and the gel electrolyte layer so that a chemical reaction occurs between the main color-changing layer and the gel electrolyte layer to generate a first transition layer, and a chemical reaction occurs between the auxiliary color-changing layer and the gel electrolyte layer to generate a second transition layer.
[0011] In one embodiment of the present invention, the high molecular polymer is specifically: one or a combination of polypropylene carbonate, polyaniline, polyethylene oxide, polyacrylonitrile, polyvinylidene fluoride, polyvinylidene fluoride-hexafluoropropylene, polymethyl methacrylate, polyvinyl chloride.
[0012] In one embodiment of the present invention, the inorganic lithium-containing compound is specifically: one or a combination of at least two of LiAsF6, LiPF6, LiBF4, CF3SO3Li and LiClO4.
[0013] In one embodiment of the present invention, the organic solvent used to dissolve the organic polymer of the high molecular weight polymer includes: one or a combination of at least two solvents of propylene carbonate, ethylene carbonate, diethyl carbonate, ethyl methyl carbonate, dimethyl carbonate, methyl formate, methyl acrylate, methyl butyrate, and ethyl acetate.
[0014] In one embodiment of the present invention, the first target substrate layer, the second target substrate layer and the gel electrolyte layer are combined to obtain a laminated color-changing glass, comprising: fixing the gel electrolyte layer between the first target substrate layer and the second target substrate layer by ultraviolet light curing to obtain the laminated color-changing glass.
[0015] In one embodiment of the present invention, the first target substrate layer, the second target substrate layer and the gel electrolyte layer are combined to obtain a laminated color-changing glass, comprising: fixing the gel electrolyte layer between the first target substrate layer and the second target substrate layer in a cooling and solidifying manner to obtain the laminated color-changing glass.
[0016] In one embodiment of the present invention, the gel electrolyte layer further includes: an insulating spacer, so that the first target substrate layer and the second target substrate layer are spaced evenly.
[0017] In one embodiment of the present invention, the step of coating the first conductive layer on the first glass substrate comprises: using a first semiconductor oxide material, a first metal material or a first organic conductive material as a coating material, coating the first glass substrate under magnetron sputtering conditions to obtain the first conductive layer; and the step of coating the second conductive layer on the second glass substrate comprises: using a second semiconductor oxide material, a second metal material or a second organic conductive material as a coating material, coating the second glass substrate under magnetron sputtering conditions to obtain the second conductive layer.
[0018] The above technical solution can have the following advantages: the method for preparing laminated photochromic glass provided in the embodiment of the present invention adopts a specific preparation process, which can improve the uniformity and efficiency of photochromic glass when changing color over a large area, and it can be used to replace architectural glass, automotive glass, aviation glass, decorative glass, etc. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.
[0020] Figure 1 A schematic flow chart of a method for preparing laminated photochromic glass provided in an embodiment of the present invention. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of the present invention.
[0022] like Figure 1 As shown, the embodiment of the present invention discloses a method for preparing laminated photochromic glass, including steps S11 to S17.
[0023] S11: providing a first glass substrate and a second glass substrate.
[0024] S12: depositing a first conductive layer on the first glass substrate.
[0025] S13: Plating a main color-changing layer on the first conductive layer to obtain a first target substrate layer.
[0026] S14: depositing a second conductive layer on the second glass substrate.
[0027] S15: Plating an auxiliary color-changing layer on the second conductive layer to obtain a second target substrate layer.
[0028] S16: Disposing an ion conductor electrolyte colloid between the first target substrate layer and the second target substrate layer to form a colloidal electrolyte layer; wherein the ion conductor electrolyte colloid comprises: a high molecular polymer, an inorganic lithium-containing compound, an organic solvent and a curing agent.
[0029] S17: Laminating the first target substrate layer, the second target substrate layer and the gel electrolyte layer to obtain a laminated color-changing glass.
[0030] Wherein, step S11 also includes: cleaning and drying the first glass substrate and the second glass substrate. The first glass substrate and the second glass substrate mentioned are, for example, float glass, ultra-white glass, high aluminum glass, medium aluminum glass, various color glasses (such as gray glass, green glass, lake blue glass, etc.), PET (Polyethylene terephthalate) film materials, etc.
[0031] In step S12, the material of the first conductive layer mentioned is, for example, selected from semiconductor oxide materials, metal materials or organic conductive materials, wherein the semiconductor oxide material mentioned is, for example, one of FTO (fluorine silicon oxide), ITO (indium tin oxide), IGZO (indium gallium zinc oxide), AZO (aluminum zinc oxide), GZO (gallium zinc oxide) or a combination of at least two thereof, such as AZO and GZO, or a combination of three thereof such as FTO (fluorine silicon oxide), ITO (indium tin oxide) and GZO (gallium zinc oxide), or even more combinations. The metal material mentioned is, for example, at least one of silver (Ag), gold (Au), copper (Cu), and aluminum (Al). The organic conductive material mentioned is, for example, at least one of polyacetylene, polypyrrole, polyaniline, and polythiophene. Of course, the first conductive layer can also be any combination of the above three types of materials. The first conductive layer includes, for example, a block resistor, the value of which is less than 20Ω, and the resistor thickness is about 0.6 to 1μm.
[0032] Specifically, step S12 includes, for example: using a semiconductor oxide material, a metal material or an organic conductive material as a coating material, coating the material on the first glass substrate under magnetron sputtering conditions to obtain the first conductive layer.
[0033] In step S13, the main color-changing layer is a solar spectrum regulating functional layer, and the material of the main color-changing layer is selected from one or more oxides of W, Mo, No, Ti, and Ta. Specifically, the material of the main color-changing layer is, for example, WO3, WMoOx, WNoOx, WMoTiOx, WNbTaOx, etc., where x represents the stoichiometric ratio of the oxygen element. The stoichiometric ratio of the oxide can be sufficient oxygen or insufficient oxygen.
[0034] Specifically, step S13 includes, for example: using one or a combination of at least two of oxides of W, Mo, Nb, Ti, and Ta as target material, depositing the main color-changing layer on the first conductive layer under magnetron sputtering conditions to obtain the first target substrate layer.
[0035] In step S14, the material of the second conductive layer mentioned is, for example, selected from semiconductor oxide materials, metal materials or organic conductive materials, wherein the semiconductor oxide material mentioned is, for example, one of FTO (fluorine silicon oxide), ITO (indium tin oxide), IGZO (indium gallium zinc oxide), AZO (aluminum zinc oxide), GZO (gallium zinc oxide) or a combination of at least two thereof, such as AZO and GZO, or a combination of three thereof such as FTO (fluorine silicon oxide), ITO (indium tin oxide) and GZO (gallium zinc oxide), or even more combinations. The metal material mentioned is, for example, at least one of silver (Ag), gold (Au), copper (Cu), and aluminum (Al). The organic conductive material mentioned is, for example, at least one of polyacetylene, polypyrrole, polyaniline, and polythiophene. Of course, the second conductive layer can also be any combination of the above three types of materials. Among them, the first conductive layer mentioned in step S12 and the second conductive layer in step S14 have the same material selection, and the material selection is not limited in this embodiment, that is, the first conductive layer and the second conductive layer can use the same or different materials. The second conductive layer includes, for example, a sheet resistor, the value of which is less than 20Ω, and the thickness of which is about 0.6-1 μm.
[0036] In step S15, the material of the auxiliary color-changing layer is selected from oxides of at least two combinations of W, Ni, V, Co, Ir, Fe, and Mn. Specifically, the material of the auxiliary color-changing layer can be NiVO x 、NiCoO x 、NiIrO x 、NiFeO x Or a combination of three or even more combinations. Where x represents the stoichiometric ratio of the oxygen element. The stoichiometric ratio of the oxide can be either sufficient oxygen or insufficient oxygen.
[0037] Specifically, step S15, for example, includes: using one or a combination of at least two of oxides of W, Ni, V, Co, Ir, Fe, and Mn as target material, and depositing an auxiliary color-changing layer on the second conductive layer under magnetron sputtering conditions to obtain the second target substrate layer.
[0038] In step S16, the ionic conductor electrolyte colloid mentioned is, for example, a colloidal electrolyte mixed with a polymer, an inorganic lithium-containing compound, an organic solvent and a curing agent. The colloidal electrolyte is arranged between the first target substrate layer and the second target substrate layer to form a colloidal electrolyte layer. For example, the polymer is specifically: polypropylene carbonate (Polypropylene carbonate), polyaniline (PANI), polyethylene oxide (Poly (ethylene oxide), PEO), polyacrylonitrile (Poly (acrylonitrile), PAN), polyvinylidene fluoride (Poly (vinylidene fluoride), PVDF), polyvinylidene fluoride-hexafluoropropylene (Poly (vinylidene fluoride-co-hexafluoropropylene), PVDF-HFP), polymethyl methacrylate (Poly (methyl methacrylate), PMMA), polyvinyl chloride (Poly (vinyl chloride), PVC), methyl acrylate-acrylonitrile (Poly (acrylonitrile-co-methyl acrylate)) One or a combination of several. The inorganic lithium-containing compound is an organic cationic compound, for example, one of LiAsF6 (lithium hexafluoroarsenate), LiPF6 (lithium hexafluorophosphate), LiBF4 (lithium tetrafluoroborate), CF3SO3Li (lithium trifluoromethylsulfonate), LiClO4 (lithium perchlorate) or a combination of at least two solvents. The organic solvent is used to dissolve the organic polymer of the high molecular polymer, for example, including one of propylene carbonate (PC), ethylene carbonate (EC), diethyl carbonate (DEC), ethyl methyl carbonate (EMC), dimethyl carbonate (DMC), methyl formate, methyl acrylate, methyl butylate, ethyl acetate or a combination of at least two solvents.
[0039] In step S17, the mentioned lamination process can be understood as the related operation of combining the first target substrate layer, the second target substrate layer and the gel electrolyte layer into one. The related operation method mentioned in the lamination process includes, for example, extruding the gel electrolyte layer into a film, adjusting the thickness of the film, pre-pressing the whole film, evacuating the film, placing the film in an autoclave at high temperature and high pressure, etc., so as to solidify the film to obtain a laminated color-changing glass.
[0040] The laminated photochromic glass obtained by the above steps can conduct electrons into the main photochromic layer and the auxiliary photochromic layer to achieve color change through the electrical contact between the first conductive layer, the second conductive layer and the external power source, and extract electrons from the main photochromic layer and the auxiliary photochromic layer through the first conductive layer and the second conductive layer to achieve fading. By using a gel-like electrolyte layer, the uniformity of the color change of the laminated photochromic glass and the response efficiency of the color change can be improved.
[0041] Furthermore, step S16 for example includes: placing the ionic conductor electrolyte colloid between the first target substrate layer and the second target substrate layer by perfusion.
[0042] The ionic conductor electrolyte colloid mentioned is in a colloidal state, and it is easier to accommodate it between the first target substrate layer and the second target substrate layer by pouring. Of course, in this embodiment, the method is not limited, for example, the ionic conductor electrolyte colloid can also be accommodated between the first target substrate layer and the second target substrate layer by coating or roller coating.
[0043] Furthermore, step S17 for example includes: heating the first target substrate layer, the second target substrate layer and the gel electrolyte layer so that a chemical reaction occurs between the main color-changing layer and the gel electrolyte layer to generate a first transition layer, and a chemical reaction occurs between the auxiliary color-changing layer and the gel electrolyte layer to generate a second transition layer.
[0044] The material of the first transition layer is, for example, Li, WO3, LiWO salt, etc., and the material of the second transition layer is, for example, LiNiWO salt, etc. The beneficial effects of the first transition layer and the second transition layer generated when the sheets are heated and combined are: when powered, the movement of Li+ can be promoted, and the free extraction and insertion of Li+ can be realized, that is, the efficiency of color change is improved. In addition, it can also be understood that when powered, the amount of Li+ generated can be increased, and a high color change efficiency can be obtained with only a small amount of charge.
[0045] Furthermore, step S17 for example includes: fixing the gel electrolyte layer between the first target substrate layer and the second target substrate layer by UV curing to obtain the laminated photochromic glass.
[0046] Among them, the UV light irradiation of ionic conductor electrolyte colloid to solidify it is a prior art and will not be described in detail here.
[0047] Of course, the present invention is not limited to the UV curing method. In other embodiments of the present invention, step S17 includes, for example: fixing the gel electrolyte layer between the first target substrate layer and the second target substrate layer by cooling and curing to obtain the laminated color-changing glass.
[0048] Furthermore, the ion conductor electrolyte colloid further includes, for example: an insulating spacer, so that the first target substrate layer and the second target substrate layer are spaced evenly.
[0049] The insulating spacer is made of insulating materials of the prior art, such as porcelain, insulating extruded plastic, etc., which can play a supporting and spacing role between the first target substrate layer and the second target substrate layer. Further, the thickness of the gel electrolyte layer between the first target substrate layer and the second target substrate layer can be uniform.
[0050] The preparation method of laminated photochromic glass is described in detail below through a specific embodiment.
[0051] A laminated color-changing glass, whose film layer structure includes: a first target substrate layer, a colloidal electrolyte layer, and a second target substrate layer. The first target substrate layer is sequentially composed of: a first glass substrate / ITO (indium tin oxide) conductive layer / WMoOx main color-changing layer from the outside to the inside. The second target substrate layer is sequentially composed of: a second glass substrate / ITO (indium tin oxide) conductive layer / WMoOx auxiliary color-changing layer from the outside to the inside. The colloidal electrolyte layer includes: polyethylene oxide (PEO), LiAsF6 (lithium hexafluoroarsenate), propylene carbonate (PC), and an ultraviolet curing agent.
[0052] The process of preparing this laminated color-changing glass is as follows:
[0053] (1) The first glass substrate is cleaned and dried, laser-scribed, cleaned and dried again, and placed in a vacuum sputtering area.
[0054] (2) An ITO (indium tin oxide) conductive layer is deposited on the first glass substrate by magnetron sputtering. The target material used is an ITO (indium tin oxide) rotating target. The power supply is a DC or medium frequency power supply with a frequency of 2000-40000 Hz and a power of 1-30 kW. The process gas is argon gas. The deposition is performed at a temperature of 290°C.
[0055] (3) The WMoOx main color-changing layer is deposited on the ITO (indium tin oxide) conductive layer by magnetron sputtering. The target material used is a metal WMo plane target, the power supply is a DC power supply with a power of 1 to 30 kW, and the process gas is a mixture of pure argon and oxygen. After deposition, the temperature is raised to 550°C and enters the next coating area.
[0056] (4) The second glass substrate is cleaned and dried, laser-scribed, cleaned and dried again, and placed in a vacuum sputtering area.
[0057] (5) An ITO (indium tin oxide) conductive layer is deposited on the second glass substrate by magnetron sputtering. The target material used is an ITO (indium tin oxide) rotating target. The power supply is a DC or medium frequency power supply with a frequency of 2000-40000 Hz and a power of 1-30 kW. The process gas is argon gas. The deposition is performed at a temperature of 290°C.
[0058] (6) A WMoOx auxiliary color-changing layer is deposited on the ITO (indium tin oxide) conductive layer by magnetron sputtering. The target material used is a metal WMo planar target, the power supply is a DC power supply with a power of 1 to 30 kW, and the process gas is a mixture of pure argon and oxygen. After deposition, the temperature is raised to 550°C and enters the next coating area.
[0059] (7) Preparing a gel electrolyte: Poly(ethylene oxide) (PEO), LiAsF6, propylene carbonate (PC) and an ultraviolet curing agent are mixed to form a gel electrolyte.
[0060] (8) The first target substrate layer and the second target substrate layer are laminated to form a hollow sandwich structure, and then an ion conductor electrolyte gel is injected into the hollow region of the sandwich structure to form a gel electrolyte layer.
[0061] (9) The first target substrate layer, the second target substrate layer and the gelled electrolyte layer are subjected to pre-pressing, vacuuming, and placing in an autoclave to form a laminated sheet, and the laminated sheet is heated to form a first transition layer and a second transition layer on two contact surfaces between the gelled electrolyte layer and the first target substrate layer and the second target substrate layer, respectively, to obtain a laminated color-changing glass.
[0062] It is noted that the process sequence of preparing the laminated photochromic glass is not limited thereto. For example, the first target substrate layer, the colloidal electrolyte layer and the second target substrate layer can be prepared separately without any order.
[0063] The laminated color-changing glass finally obtained has good ionic conductivity, that is, lithium ions can be repeatedly injected and extracted under the drive of voltage, that is, the color change process occurs. The specific color change realization principle is: after the power is turned on, the lithium ions in the electrolyte layer of the color-changing glass migrate under the drive of the electric field, so that the color-changing layer undergoes a cycle reaction of oxidation to reduction and reduction to oxidation, thereby achieving color change. The colors before and after the color change can be: colorless-light blue-dark blue, colorless-light blue-green-dark blue-green, light green-dark blue, yellow-green-dark blue, light yellow-dark blue, light yellow-cyan, green-sauce color, gray-green-yellow and other color changes and the reverse changes of the above colors.
[0064] In summary, a method for preparing a laminated photochromic glass proposed in an embodiment of the present invention can improve the uniformity of the color change of the laminated photochromic glass and improve the efficiency of the periodic injection and extraction of lithium ions by adopting a membrane structure composed of a colloidal electrolyte layer; in addition, the implementation of the preparation method can improve the processing feasibility and product stability.
[0065] In addition, it can be understood that the aforementioned embodiments are only exemplary descriptions of the present invention. Under the premise that the technical features do not conflict, the structures do not contradict, and the purpose of the present invention is not violated, the technical solutions of the various embodiments can be arbitrarily combined and used in combination.
[0066] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A method for preparing laminated color-changing glass, characterized in that: include: providing a first glass substrate and a second glass substrate; Plating a first conductive layer on the first glass substrate; Plating a main color-changing layer on the first conductive layer to obtain a first target substrate layer; coating a second conductive layer on the second glass substrate; Plating an auxiliary color-changing layer on the second conductive layer to obtain a second target substrate layer; An ion conductor electrolyte colloid is arranged between the first target substrate layer and the second target substrate layer to form a gel electrolyte layer; wherein the ion conductor electrolyte colloid comprises: a high molecular polymer, an inorganic lithium-containing compound, an organic solvent and a curing agent; Laminating the first target substrate layer, the second target substrate layer and the colloidal electrolyte layer to obtain a laminated color-changing glass; The step of laminating the first target substrate layer, the second target substrate layer and the gel electrolyte layer to obtain a laminated color-changing glass comprises: Extruding the gel electrolyte layer into a film and adjusting the thickness of the film; The first target substrate layer, the second target substrate layer and the film are cured, and the first target substrate layer, the second target substrate layer and the gel electrolyte layer are heated so that a chemical reaction occurs between the main color-changing layer and the gel electrolyte layer to form a first transition layer, and a chemical reaction occurs between the auxiliary color-changing layer and the gel electrolyte layer to form a second transition layer, thereby obtaining the laminated color-changing glass; Wherein, the gel electrolyte layer further includes: an insulating spacer, so that the first target substrate layer and the second target substrate layer are spaced evenly.
2. The method for preparing laminated color-changing glass according to claim 1, characterized in that: The step of providing an ion conductor electrolyte colloid between the first target substrate layer and the second target substrate layer comprises: placing the ion conductor electrolyte colloid between the first target substrate layer and the second target substrate layer by means of perfusion.
3. The method for preparing laminated color-changing glass according to claim 1, characterized in that: The high molecular polymer is specifically: one or a combination of polypropylene carbonate, polyaniline, polyethylene oxide, polyacrylonitrile, polyvinylidene fluoride, polyvinylidene fluoride-hexafluoropropylene, polymethyl methacrylate, and polyvinyl chloride.
4. The method for preparing laminated color-changing glass according to claim 1, characterized in that: The inorganic lithium-containing compound is specifically one or a combination of at least two of LiAsF6, LiPF6, LiBF4, CF3SO3Li and LiClO4.
5. The method for preparing laminated color-changing glass according to claim 1, characterized in that: The organic solvent is used to dissolve the organic polymer of the high molecular weight polymer, including: propylene carbonate, ethylene carbonate, diethyl carbonate, ethyl methyl carbonate, dimethyl carbonate, methyl formate, methyl acrylate, methyl butyrate, ethyl acetate, or a combination of at least two solvents.
6. The method for preparing laminated color-changing glass according to any one of claims 1 to 5, characterized in that: The step of laminating the first target substrate layer, the second target substrate layer and the gel electrolyte layer to obtain the laminated color-changing glass comprises: fixing the gel electrolyte layer between the first target substrate layer and the second target substrate layer by ultraviolet light curing to obtain the laminated color-changing glass.
7. The method for preparing laminated color-changing glass according to any one of claims 1 to 5, characterized in that: The step of laminating the first target substrate layer, the second target substrate layer and the gel electrolyte layer to obtain the laminated color-changing glass comprises: fixing the gel electrolyte layer between the first target substrate layer and the second target substrate layer in a cooling and solidifying manner to obtain the laminated color-changing glass.
8. The method for preparing laminated color-changing glass according to claim 1, characterized in that: The step of coating the first conductive layer on the first glass substrate comprises: using a first semiconductor oxide material, a first metal material or a first organic conductive material as a coating material, coating the first glass substrate under magnetron sputtering conditions to obtain the first conductive layer; The step of coating the second conductive layer on the second glass substrate comprises: using a second semiconductor oxide material, a second metal material or a second organic conductive material as a coating material, coating the second glass substrate under magnetron sputtering conditions to obtain the second conductive layer.
Citation Information
Patent Citations
Electrochromic glass
CN112817189A
Microporous polymer membrane for electrochromic device and smart window including the same
KR1020170025612A
An Electrochromic Device
KR1020170112388A
Electrochromic device containing polymer electrolyte in gel state and preparation method thereof
KR1020170120455A
Fabrication method of electrochromic device
US20130133814A1
