CN115020524A - Electrochromic BIPV component and electrochromic BIPV structure - Google Patents
Electrochromic BIPV component and electrochromic BIPV structure Download PDFInfo
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- CN115020524A CN115020524A CN202210696136.5A CN202210696136A CN115020524A CN 115020524 A CN115020524 A CN 115020524A CN 202210696136 A CN202210696136 A CN 202210696136A CN 115020524 A CN115020524 A CN 115020524A
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- 238000013084 building-integrated photovoltaic technology Methods 0.000 title claims abstract 19
- 239000012528 membrane Substances 0.000 claims abstract description 22
- 238000000926 separation method Methods 0.000 claims abstract description 12
- 210000002390 cell membrane structure Anatomy 0.000 claims abstract description 8
- 239000010408 film Substances 0.000 claims description 62
- 239000011521 glass Substances 0.000 claims description 34
- 150000002500 ions Chemical class 0.000 claims description 23
- 210000004027 cell Anatomy 0.000 claims description 22
- 239000010416 ion conductor Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 16
- 239000005341 toughened glass Substances 0.000 claims description 14
- 239000010409 thin film Substances 0.000 claims description 13
- 239000004065 semiconductor Substances 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 6
- 229910004613 CdTe Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 4
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 229910012820 LiCoO Inorganic materials 0.000 claims description 3
- 229910010710 LiFePO Inorganic materials 0.000 claims description 3
- 229910015645 LiMn Inorganic materials 0.000 claims description 3
- 229910013870 LiPF 6 Inorganic materials 0.000 claims description 3
- 229910012305 LiPON Inorganic materials 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- BNBLBRISEAQIHU-UHFFFAOYSA-N disodium dioxido(dioxo)manganese Chemical compound [Na+].[Na+].[O-][Mn]([O-])(=O)=O BNBLBRISEAQIHU-UHFFFAOYSA-N 0.000 claims description 3
- 229910021424 microcrystalline silicon Inorganic materials 0.000 claims description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 3
- 229920000767 polyaniline Polymers 0.000 claims description 3
- 229920000128 polypyrrole Polymers 0.000 claims description 3
- DNXIASIHZYFFRO-UHFFFAOYSA-N pyrazoline Chemical compound C1CN=NC1 DNXIASIHZYFFRO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- CMZUMMUJMWNLFH-UHFFFAOYSA-N sodium metavanadate Chemical compound [Na+].[O-][V](=O)=O CMZUMMUJMWNLFH-UHFFFAOYSA-N 0.000 claims description 3
- 229910000166 zirconium phosphate Inorganic materials 0.000 claims description 3
- -1 aluminum ion Chemical class 0.000 claims description 2
- 238000010248 power generation Methods 0.000 abstract description 10
- 230000008859 change Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 description 4
- 229910013641 LiNbO 3 Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008094 contradictory effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001755 magnetron sputter deposition Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000005340 laminated glass Substances 0.000 description 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/54—Slab-like translucent elements
-
- G—PHYSICS
- G02—OPTICS
- 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
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses an electrochromic BIPV component and an electrochromic BIPV structure; wherein the electrochromic BIPV component comprises an intermediate separator layer, a cell membrane structure and an electrochromic structure; the intermediate separation layer has a first side and a second side; the battery membrane structure is arranged on the first side; the electrochromic structure is arranged on the second side; the battery membrane structure is electrically connected with the electrochromic structure. According to the technical scheme, the battery membrane structure and the electrochromic structure are respectively arranged on the two sides of the middle separation layer, the battery membrane structure has a power generation function, the electrochromic structure has an electrochromic function, power is supplied to the electrochromic structure through the battery membrane structure, and meanwhile, the self-power generation and color change effects can be met.
Description
Technical Field
The invention relates to the technical field of BIPV components, in particular to an electrochromic BIPV component and an electrochromic BIPV structure.
Background
Along with the increasing severity of global energy crisis and environmental crisis problems, energy conservation and emission reduction are not slow, and intelligent glass represented by electrochromic glass absorbs the advantages of the energy-saving glass, and the transmission light and the reflection light are continuously and dynamically regulated by automatic or artificial active control of a sensor, so that the electrochromic glass is widely applied to the fields of intelligent buildings and automobiles.
Building Integrated Photovoltaic (BIPV) is a new concept of applying Photovoltaic power generation, namely simply installing a Photovoltaic power generation system on the outer surface of an enclosure structure of a Building to provide power, and BIPV (Building Integrated PV, namely Photovoltaic) is a new scheme of Building Photovoltaic, and has certain advantages in the aspects of energy conservation, environmental protection, appreciation, economy, strategy and the like.
In the prior art, the BIPV component only has a self-generating function and has a single function. In order to meet the requirement of energy conservation, a BIPV component with both power generation and color change functions needs to be provided, and the prior art lacks a BIPV component with both power generation and color change functions.
Disclosure of Invention
The invention mainly aims to provide an electrochromic BIPV component, and aims to solve the technical problem that a BIPV component with power generation and color change functions is lacked in the prior art.
In order to achieve the above object, the present invention provides an electrochromic BIPV structure, which includes an intermediate separator, a cell film structure, and an electrochromic structure; the intermediate separation layer has a first side and a second side; the battery membrane structure is arranged on the first side; the electrochromic structure is arranged on the second side; the battery membrane structure is electrically connected to the electrochromic structure.
Optionally, the battery membrane structure includes a first intermediate membrane and a battery sheet, and the battery sheet and the first intermediate membrane are sequentially stacked from the first side to the outside.
Optionally, the cell piece is selected from any one of monocrystalline silicon, polycrystalline silicon, microcrystalline silicon, a polycrystalline silicon thin film, a CdTe semiconductor thin film, a CIGS semiconductor thin film, a GaAs semiconductor thin film, a perovskite cell or a composite cell;
and/or the first intermediate film is selected from at least one of PVB film, EVA film, SGP film or PU film;
and/or the thickness of the first intermediate film is 0.38-1.52 mm;
and/or the thickness of the battery piece is 3-20 mm.
Optionally, the electrochromic structure includes a glass substrate, a first transparent conductive layer, an ion storage layer, an ion conductor layer, an electrochromic layer, and a second transparent conductive layer, and the second transparent conductive layer, the ion storage layer, the ion conductor layer, the electrochromic layer, the first transparent conductive layer, and the glass substrate are sequentially stacked from the second side to the outside; the battery membrane structure is provided with a positive electrode and a negative electrode, the positive electrode is electrically connected with the electrochromic layer, and the negative electrode is electrically connected with the ion storage layer.
Optionally, the material of the electrochromic layer is selected from WO x 、MoO x 、TiO x 、Nb 2 O x 、MnO x 、Ta 2 O x At least one of violine, polyaniline, viologen, pyrazoline, or polypyrrole;
and/or the material of the ion storage layer is selected from NiO x 、IrO x 、Cr 2 O x 、V 2 O x 、Co 2 O x Or Rh 2 O x At least one of (a);
and/or the material of the ion conductor layer is selected from LiPF 6 、LiClO x 、LiPON、LiTaO x 、LiNbO x 、LiMn 2 O x 、LiFePO x 、LiCoO x Sodium manganate, sodium cobaltate, sodium vanadate, aluminum ion doped LiTaO x Or aluminum ion-doped LiNbO x Any one of them.
Optionally, the first transparent conductive layer, the ion storage layer, the ion conductor layer, the electrochromic layer, and the second transparent conductive layer are all laminated structures prepared by magnetron sputtering.
Optionally, the thickness of the glass substrate is 5-8 mm;
and/or the thickness of the first transparent conducting layer is 20-1300 nm;
and/or the electrochromic layer has a thickness of 70-150 nm;
and/or the thickness of the ion conductor layer is 50-150 nm;
and/or the thickness of the ion storage layer is 70-150 nm;
and/or the second transparent conducting layer is 20-1300 nm.
Optionally, the electrochromic BIPV component further comprises a second intermediate film and an outer glass, which are laminated in sequence from the side of the cell film structure to the outside; the second intermediate film is at least one of a PVB film, an EVA film, an SGP film or a PU film; the outer layer glass is toughened glass or colored glaze toughened glass.
Optionally, the second intermediate film has a thickness of 0.38 to 1.52 mm;
and/or the thickness of the outer layer glass is 5-8 mm.
Optionally, the intermediate separation layer is tempered glass;
and/or the thickness of the intermediate separation layer is 5-8 mm.
Optionally, the cell membrane structure is connected to the electrochromic structure by an electrical connection structure comprising a junction box and a current regulator and/or an optical sensor.
Optionally, the electrical connection structure further comprises a current regulator and/or an optical sensor.
The invention also provides an electrochromic BIPV structure, which comprises at least one electrochromic BIPV component, wherein the electrochromic BIPV component is spliced into the electrochromic BIPV structure.
According to the technical scheme, the battery membrane structure and the electrochromic structure are respectively arranged on the two sides of the middle separation layer, the battery membrane structure has a power generation function, the electrochromic structure has an electrochromic function, power is supplied to the electrochromic structure through the battery membrane structure, and meanwhile, the self-power generation and color change effects can be met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an electrochromic BIPV device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another embodiment of an electrochromic BIPV assembly according to the present invention.
The reference numbers illustrate:
1. an intermediate separation layer; 2. a battery membrane structure; 21. a first intermediate film; 22. a battery piece; 3. an electrochromic structure; 31. a glass substrate; 32. a first transparent conductive layer; 33. an ion storage layer; 34. an ion conductor layer; 35. an electrochromic layer; 36. a second transparent conductive layer; 4. a second intermediate film; 5. and outer layer glass.
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Further, the expression "and/or" as used throughout is meant to encompass three juxtapositions, exemplified by "A and/or B", including either the A arrangement, or the B arrangement, or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides an electrochromic BIPV component.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of an electrochromic BIPV assembly according to the present invention. In an embodiment of the present invention, the electrochromic BIPV member includes an intermediate separator layer 1, a cell membrane structure 2, and an electrochromic structure 3. The intermediate separator layer 1 has a first side and a second side, the cell membrane structure 2 being provided at the first side and the electrochromic structure 3 being provided at the second side. The cell membrane structure 2 is electrically connected to the electrochromic structure 3.
According to the technical scheme, the battery membrane structure 2 and the electrochromic structure 3 are respectively arranged on two sides of the middle separation layer 1, the battery membrane structure 2 at least has a power generation function, the electrochromic structure 3 at least has an electrochromic function, and the middle separation layer 1 separates the battery membrane structure 2 and the electrochromic structure 3 to play a protection role. The power is supplied to the electrochromic structure 3 through the battery membrane structure 2, and meanwhile, the self-electricity generation and color change effects can be met.
Preferably, the intermediate separation layer 1 in the present embodiment is tempered glass. The thickness of the intermediate separator layer 1 is 5-8mm, in particular 5mm, 6mm or 8 mm. The intermediate floor 1 can also be another type of glass, but also other transparent or translucent building elements.
Further, the battery film structure 2 in the embodiment of the present invention includes the first intermediate film 21 and the battery piece 22, and the battery piece 22 and the first intermediate film 21 are laminated in this order from the first side outward.
Alternatively, the cell piece 22 is selected from any one of single crystal silicon, polycrystalline silicon, microcrystalline silicon, a polycrystalline silicon thin film, a CdTe semiconductor thin film, a CIGS semiconductor thin film, a GaAs semiconductor thin film, a perovskite cell, or a composite cell. The cell sheet 22 is a cell that generates electricity by the photoelectric effect, and performs a self-generating function.
Alternatively, the first intermediate film 21 is at least one selected from a PVB film, an EVA film, an SGP film, or a PU film, and may be any one of the above films or a combination of more than one of the above films. The PVB film is preferred, has the advantages of transparency, low price, simple process and the like, and is an excellent adhesive material for manufacturing laminated glass.
Preferably, the thickness of the first intermediate film 21 in the embodiment of the present invention is 0.38 to 1.52mm, and specifically, may be 0.38mm or 1.52 mm. The thickness of the battery piece 22 is 3-20mm, and specifically, it may be 3mm, 3.2mm or 20 mm.
Further, the electrochromic structure 3 in the embodiment of the present invention includes a glass substrate 31, a first transparent conductive layer 32, an ion storage layer 33, an ion conductor layer 34, an electrochromic layer 35, and a second transparent conductive layer 36, and the second transparent conductive layer 36, the ion storage layer 33, the ion conductor layer 34, the electrochromic layer 35, the first transparent conductive layer 32, and the glass substrate 31 are laminated in this order from the second side outward. The cell membrane structure 2 has a positive electrode electrically connected to the electrochromic layer 35 (via the first transparent conductive layer 32) and a negative electrode electrically connected to the ion storage layer 33 (via the second transparent conductive layer 36).
Preferably, the thickness of the glass substrate 31 in the embodiment of the present invention is 5 to 8mm, and specifically, may be 5mm, 6mm or 8 mm. The thickness of the first transparent conductive layer 32 is 20-1300nm, specifically 20nm, 100nm, 200nm or 1300 nm. The electrochromic layer 35 has a thickness of 70-150nm, and may be 70nm, 100nm or 150 nm. The thickness of the ion conductor layer 34 is 50 to 150nm, and specifically, may be 50nm, 100nm or 150 nm. The second transparent conductive layer 36 is 20-1300nm, specifically 20nm, 100nm, 200nm or 1300 nm.
Specifically, in the electrochromic structure 3, the electrochromic layer 35 functions as an electrochromic function. The first transparent conductive layer 32 and the second transparent conductive layer 36 are preferably ITO layers, which function as a conductor. The ion storage layer functions to store ions and balance charges, and the ion conductor layer 34 is used to provide a channel for transporting ions and ions.
Optionally, the material of the electrochromic layer 35 in the embodiment of the present invention is selected from WO x 、MoO x 、TiO x 、Nb 2 O x 、MnO x 、Ta 2 O x At least one of violine, polyaniline, viologen, pyrazoline, and polypyrrole may be a single material or a combination of one or more materials, and is preferably tungsten oxide.
Optionally, the material of the ion storage layer 33 is selected from NiO x 、IrO x 、Cr 2 O x 、V 2 O x 、Co 2 O x Or Rh 2 O x At least one of these may be a single material or a combination of more than one material, and is preferably nickel oxide.
Preferably, the thickness of the ion storage layer 33 is 70-150nm, and may be 70nm, 100nm or 150 nm.
The material of the ion conductor layer 34 is selected from LiPF 6 、LiClO x 、LiPON、LiTaO x 、LiNbO x 、LiMn 2 O x 、LiFePO x 、LiCoO x Sodium manganate, sodium cobaltate, sodium vanadate, aluminum ionDoped LiTaO x Or aluminum ion-doped LiNbO x Either of them may be a single material or a combination of more than one material, and lithium niobate (LiNbO) is preferable 3 ). The value of X in the above formulas can range from 1 to 3, but is not limited to 1 to 3.
In the embodiment of the present invention, the first transparent conductive layer 32, the ion storage layer 33, the ion conductor layer 24, the electrochromic layer 25, and the second transparent conductive layer 36 are all laminated structures prepared by magnetron sputtering.
Referring to fig. 2, fig. 2 is a schematic structural view of another embodiment of the electrochromic BIPV component according to the present invention, wherein the electrochromic BIPV component further includes a second intermediate film 4 and an outer glass 5, and the second intermediate film 4 and the outer glass 5 are sequentially stacked from the side of the cell film structure 2 to the outside, so as to further protect the cell film structure 2.
Optionally, the second intermediate film 4 is selected from at least one of a PVB film, EVA film, SGP film or PU film, preferably a PVB film, the properties of which are described in the above comments.
The outer layer glass 5 in the embodiment of the invention is toughened glass or colored glaze toughened glass. Tempered glass is glass having a compressive stress on the surface. The color glazed toughened glass is made by printing glass glaze on the surface of glass through a special process, and then drying and toughening the glass glaze, and has the characteristic of rich colors.
Preferably, the thickness of the second intermediate film 4 in the embodiment of the present invention is 0.38 to 1.52mm, and specifically, may be 0.38mm or 1.52 mm. The thickness of the outer glass 5 is 5-8mm, and specifically may be 5mm, 6mm or 8 mm.
The cell membrane structure 2 in the embodiment of the present invention is connected to the electrochromic structure 3 through an electrical connection structure including a junction box.
Further, the electric connection structure further comprises a current regulator and/or an optical sensor, so that automatic adjustment and/or manual adjustment are realized, and the effects of self-generation, adjustment and energy conservation of the electrochromic BIPV component are realized.
The present invention further provides an electrochromic BIPV structure, where the electrochromic BIPV structure includes at least one electrochromic BIPV component, and the specific structure of the electrochromic BIPV component refers to the above embodiments, and the electrochromic BIPV structure adopts all technical solutions of all the above embodiments, so that the electrochromic BIPV structure at least has all beneficial effects brought by the technical solutions of the above embodiments, and details are not repeated here.
For a further understanding of the invention, reference will now be made to the preferred embodiments of the invention by way of example, and it is to be understood that the description is intended to further illustrate features and advantages of the invention, and not to limit the scope of the claims.
Example 1
The electrochromic BIPV component structure in the embodiment comprises the following sequentially laminated structures: glass/ITO/WO 3 /LiNbO 3 The structural parameters of the/NiO/ITO/toughened glass/PVB film/CdTe battery refer to the table 1, and the performance parameters refer to the table 2.
TABLE 1
TABLE 2
Example 2
The electrochromic BIPV component structure in this embodiment includes sequentially stacked: glass/ITO/WO 3 /LiNbO 3 The structural parameters of the/NiO/ITO/tempered glass/PVB film/CIGS semiconductor thin film cell (cell in table 3)/PVB film/tempered glass refer to table 3, and the performance parameters refer to table 4.
TABLE 3
TABLE 4
Example 3
The electrochromic BIPV component structure in the embodiment comprises the following sequentially laminated structures: glass/ITO/WO 3 /LiNbO 3 The structural parameters refer to table 5, and the performance parameters refer to table 6.
TABLE 5
TABLE 6
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (12)
1. An electrochromic BIPV building block, comprising:
an intermediate separation layer having a first side and a second side;
a battery membrane structure disposed on the first side; and
the electrochromic structure is arranged on the second side; the battery membrane structure is electrically connected to the electrochromic structure.
2. The electrochromic BIPV structure of claim 1, wherein the cell film structure comprises a first intermediate film and a cell sheet, the cell sheet and the first intermediate film being stacked in order from the first side outward.
3. The electrochromic BIPV cell as in claim 2, wherein said cell sheet is selected from any one of single crystal silicon, polycrystalline silicon, microcrystalline silicon, polycrystalline silicon thin film, CdTe semiconductor thin film, CIGS semiconductor thin film, GaAs semiconductor thin film, perovskite cell or composite cell;
and/or the first intermediate film is selected from at least one of PVB film, EVA film, SGP film or PU film;
and/or the thickness of the first intermediate film is 0.38-1.52 mm;
and/or the thickness of the battery piece is 3-20 mm.
4. The electrochromic BIPV structure of claim 1, wherein the electrochromic structure comprises a glass substrate, a first transparent conductive layer, an ion storage layer, an ion conductor layer, an electrochromic layer, and a second transparent conductive layer, the ion storage layer, the ion conductor layer, the electrochromic layer, the first transparent conductive layer, and the glass substrate being stacked in this order from the second side outward; the battery membrane structure is provided with a positive electrode and a negative electrode, the positive electrode is electrically connected with the electrochromic layer, and the negative electrode is electrically connected with the ion storage layer.
5. Electrochromic BIPV building block according to claim 4, characterised in that the electrochromic layer is made of a material selected from WO x 、MoO x 、TiO x 、Nb 2 O x 、MnO x 、Ta 2 O x At least one of violine, polyaniline, viologen, pyrazoline, or polypyrrole;
and/or the material of the ion storage layer is selected from NiO x 、IrO x 、Cr 2 O x 、V 2 O x 、Co 2 O x Or Rh 2 O x At least one of;
and/or the material of the ion conductor layer is selected from LiPF 6 、LiClO x 、LiPON、LiTaO x 、LiNbO x 、LiMn 2 O x 、LiFePO x 、LiCoO x Sodium manganate, sodium cobaltate, sodium vanadate, aluminum ion doped LiTaO x Or aluminum ion-doped LiNbO x Any one of them.
6. The electrochromic BIPV cell of claim 5, wherein said first transparent conductive layer, said ion storage layer, said ion conductor layer, said electrochromic layer, and said second transparent conductive layer are each magnetron sputter-fabricated layered structures.
7. The electrochromic BIPV package of claim 4, wherein the glass substrate has a thickness of 5 to 8 mm;
and/or the thickness of the first transparent conducting layer is 20-1300 nm;
and/or the electrochromic layer has a thickness of 70-150 nm;
and/or the thickness of the ion conductor layer is 50-150 nm;
and/or the thickness of the ion storage layer is 70-150 nm;
and/or the second transparent conducting layer is 20-1300 nm.
8. Electrochromic BIPV building block according to one of claims 1 to 7, characterized in that,
the battery film structure further comprises a second intermediate film and outer layer glass, wherein the second intermediate film and the outer layer glass are sequentially laminated from the side face of the battery film structure to the outside; the second intermediate film is at least one of a PVB film, an EVA film, an SGP film or a PU film; the outer layer glass is toughened glass or colored glaze toughened glass.
9. The electrochromic BIPV building block of claim 8, wherein the second intermediate film has a thickness of 0.38 to 1.52 mm;
and/or the thickness of the outer layer glass is 5-8 mm.
10. Electrochromic BIPV building block according to one of the claims 1 to 7, characterised in that the intermediate separator layer is tempered glass;
and/or the thickness of the intermediate separation layer is 5-8 mm.
11. Electrochromic BIPV component according to one of claims 1 to 7, characterized in that the cell membrane structures are connected to the electrochromic structures by electrical connection structures comprising a junction box and a current regulator and/or an optical sensor.
12. An electrochromic BIPV structure, comprising at least one electrochromic BIPV component according to any of claims 1 to 11, spliced to form the electrochromic BIPV structure.
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