A kind of light conversion POE glued membranes and its photovoltaic module of encapsulation
Technical field
The present invention relates to a kind of solar module encapsulating material technology, more particularly to a kind of light conversion POE glued membranes and its
The photovoltaic module of encapsulation.
Background technology
With the continuous development of society, environmental pollution and energy shortage become the ultimate challenge of facing mankind, utilize the sun
It is to solve one of both of these problems most efficient method that clean, reproducible solar energy is converted into electric energy by battery.Light at present
Volt industry development is exceedingly fast, and also progressively develops to the direction of diversification, and high power, high ageing-resistant, inexpensive Components Development are increasingly
As the important directions of each Corporation R & D of industry.
The POE of photovoltaic module has the transparent POE of Plain and the high anti-POE packaging adhesive films of white at present, commonly
The POE of water white transparency not only acts as the effect of encapsulation, while also there is lifting light transmittance to increase the generating efficiency of photovoltaic module;
But the transparent POE of Plain also cannot gradually meet the needs of industry is to high power component, it is used to be layered on battery by releasing
The high anti-POE packaging adhesive films of white of piece lower floor, improve the electricity conversion of component, still with the intensity for improving reflected light
White high anti-POE only increases the absorption of long-wave band.Therefore, this increase converts POE packaging plastics to the light that short-wave band absorbs
Film just has the function that its is special.
Solar radiant energy is converted into electric energy by solar cell by photovoltaic effect, and photovoltaic module one is divided into five layers, from
Top to bottm is once glass, upper strata polymer encapsulation glued membrane, cell piece, lower floor's polymer encapsulation glued membrane, backboard or glass, incident
Light incides cell piece by upper strata glass and upper strata polymer encapsulation glued membrane, and then produces photovoltaic effect, usual cell piece pair
The response of ultraviolet short-wave band is relatively low, therefore prepares a kind of light conversion POE packaging adhesive films, and ultraviolet short-wave band is changed into more long-wave band
Blue light so that increase the generating efficiency of battery, and then additional income.
The content of the invention
For overcome the deficiencies in the prior art, it is an object of the present invention to provide a kind of light conversion POE glued membranes.For
Electricity conversion is low in existing photovoltaic module, it is especially relatively low to short wave response the characteristics of, there is provided one kind manufacture cost it is low,
The high solar cell of power ascension uses up conversion POE packaging adhesive films.
The second object of the present invention is to provide a kind of photovoltaic module by light conversion POE glued membrane encapsulation.
An object of the present invention adopts the following technical scheme that realization:A kind of light conversion POE glued membranes, it is characterised in that institute
Light conversion POE glued membranes are stated to be prepared by the component of following parts by weight:
Further, the melt index 5-100g/10min of the POE resin, fusing point are 50-115 DEG C.Wherein, as compared with
The melt index 40-80g/10min of good POE resin, fusing point are 85-95 DEG C.
Further, the organic per-compounds initiator is tert-butyl hydroperoxide carbonic acid -2- ethylhexyls, the tert-butyl group
Peroxidating 2- ethylhexyls carbonic ester, t-butylperoxy formic acid 2- ethylhexyl esters, t-butylperoxy formic acid 2- ethyl hexyls
Base ester, carbon peroxy acid-O, O- (1,1- dimethyl ethyls)-O- (2- ethylhexyls) ester, tert-butyl hydroperoxide carbonic acid -2- ethyl hexyls
Mixture more than one or both of ester, tert-butyl peroxy carbonic acid -2- ethylhexyls.Wherein, as preferable additive amount
For 0.6-1.6 parts.
Further, the crosslinking coagent is triisopropyl fulminuric acid ester, Triallyl isocyanurate, three allyls
Base fulminuric acid ester, -2,4,6 (1H, 3H, 5H)-triketone of tri- -2- acrylic -1,3,5- triazines of 1,3,5-, triallyl isocyanide
Mixture more than one or both of acid esters, triallyl isocyanurate, triallyl isocyanurate.Wherein, as compared with
Good additive amount is 0.5-1.6 parts.
Further, the thickening coupling agent is three ethoxy silane of vinyl, (triethoxysilyl) ethene, ethene
Ethyl triethoxy silicane alkane, vinyl triethoxysilane, triethoxy vinyl silane, one kind in Triethoxyvinylsilane or
Two or more mixtures.Wherein, it is 0.5-1.2 parts as preferable additive amount.
Further, the light stabilizer is hindered amine light stabilizer, selected from double (2,2,6,6- tetramethyl -4- piperidines
Alcohol) sebacic acid ester, the double -2,2,6,6- tetramethyl piperidines alcohol ester of sebacic acid, three nitrogen of 2- (2 '-hydroxyl -5 '-aminomethyl phenyl)-benzo
Mixture more than one or both of azoles.Wherein, it is 0.2-0.5 parts as preferable additive amount.
Further, the UV absorbers for [2- hydroxyls -4- (octyloxy) phenyl] phenyl ketone, 2- hydroxyls -4- just
Octyloxybenzophenone, 2- hydroxyl -4- n-octyloxies Benzophenone, 3,5 di-tert-butyl-4-hydroxybenzoic acid -2,4- di-t-butyls
Mixture more than one or both of phenyl ester.Wherein, it is 0.2-0.5 parts as preferable additive amount.
Further, the smooth transformation additive is 4,8- dimethyl -7- carboxyl cumarins.The light transformation additive is by big
The chromophoric groups of conjugated system and some electron characteristics formed with auxochrome group, have and ultraviolet band changed into more long wave
The function of the blue light of section.It absorbs ultraviolet light by itself chromophoric group, causes the energy level transition of intramolecular pi-electron, launches
Longer light wave achievees the purpose that light is changed, while turns stimulative substance intramolecule by way of delivering in relays, and absorbs ultraviolet light
So as to inspire the wavelength of more long-wave band, so as to effectively improve the generating efficiency of battery, additional income.Preferably, 4,8- diformazans
Base -7- carboxyls cumarin is purchased from Japanese day east electrician group.Wherein, it is 0.08-0.15 parts as preferable additive amount.
The second object of the present invention adopts the following technical scheme that realization:A kind of photovoltaic module, including the conversion of ultra-clear glasses, light
POE glued membranes, monocrystalline or polysilicon solar battery slice, light conversion POE glued membranes, float glass or photovoltaic back;The ultrawhite glass
Glass, light conversion POE glued membranes, monocrystalline or polysilicon solar battery slice, light conversion POE glued membranes, float glass or photovoltaic back from
Top to bottm is bonded successively;The light conversion POE glued membranes convert POE glued membranes for light as described above.
Compared with prior art, the beneficial effects of the present invention are:
(1) the light transformation additive that light conversion POE glued membranes of the present invention add, has ultraviolet short-wave band changing into more long wave
The function of the blue light of section, the photovoltaic module solved under conventional encapsulation materials respond the defects of relatively low to short-wave band, substantially increase
The electricity conversion of component.
(2) in addition, light conversion POE glued membranes and its photovoltaic module preparation process of encapsulation are simple, light transformation additive
Adding influences the basic performance of POE glued membranes without obvious, while the effective electricity conversion for improving component.
(3) at the same time, light conversion POE glued membranes and its photovoltaic module of encapsulation also have excellent uvioresistant performance, with
Conventional POE encapsulating materials are compared, and light conversion POE glued membranes absorb ultraviolet so as to excite blue light, greatly reduce photovoltaic module
The xanthochromia occurred during use by ultraviolet ageing and cracking.
Brief description of the drawings
Fig. 1 is the structure diagram for the photovoltaic module that the present invention converts POE glued membranes containing light;
In figure:1st, ultra-clear glasses;2nd, light conversion POE glued membranes;3rd, monocrystalline or polysilicon solar battery slice;4th, float glass
Or photovoltaic back.
Embodiment
In the following, with reference to attached drawing and embodiment, the present invention is described further, it is necessary to which explanation is, not
Under the premise of afoul, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
In the present invention, if not refering in particular to, all parts, percentage are unit of weight, used equipment and raw material etc.
It is commercially available or commonly used in the art.Method in following embodiments, is the normal of this area unless otherwise instructed
Rule method.
It is specific embodiment of the present invention below, used raw material, equipment etc. remove special limit in the following embodiments
It can be obtained outside fixed by buying pattern.
Embodiment 1
The present invention provides a kind of light to convert POE glued membranes, the component composition of following parts by weight:100 parts of melt index are
10g/10min, the POE resin that fusing point is 105 DEG C, 2.0 parts of carbon peroxy acid-O, O- (1,1- dimethyl ethyls)-O- (2- ethyl hexyls
Base) ester (organic per-compounds initiator), 0.5 part of Triallyl isocyanurate (crosslinking coagent), 0.3 part of three second of vinyl
Oxysilane (thickening coupling agent), 0.1 part of double (2,2,6,6- tetramethyl -4- piperidine alcohols) sebacic acid ester (light stabilizer), 0.6 part
[2- hydroxyls -4- (octyloxy) phenyl] phenyl ketone (UV absorbers), (light turns 0.2 part of 4,8- dimethyl -7- carboxyls cumarin
Change additive), said components are uniformly mixed by mixing kettle, casting machine is put into and process conditions routinely sets ginseng
Number, light conversion POE glued membranes are made by plasticizing extrusion, curtain coating, traction, winding.
Embodiment 2
The present invention provides a kind of light to convert POE glued membranes, the component composition of following parts by weight:100 parts of melt index are
30g/10min, the POE resin that fusing point is 100 DEG C, 1.6 parts of tert-butyl hydroperoxide carbonic acid -2- ethylhexyl (organic peroxy chemical combination
Thing initiator), 0.8 part of iso-cyanuric acid triallyl ester (crosslinking coagent), (the thickening coupling of 0.5 part of vinyl triethoxysilane
Agent), 0.2 part of double (2,2,6,6- tetramethyl -4- piperidine alcohols) sebacic acid ester (light stabilizer), 0.5 part of 2- hydroxyl -4- n-octyloxy
Benzophenone (UV absorbers), 0.15 part of 4,8- dimethyl -7- carboxyls cumarin (light transformation additive), by said components
Be uniformly mixed by mixing kettle, input casting machine and process conditions routinely set parameter, by plasticizing extrusion, be cast,
Light conversion POE glued membranes are made in traction, winding.
Embodiment 3
The present invention provides a kind of light to convert POE glued membranes, the component composition of following parts by weight:100 parts of melt index are
40g/10min, the POE resin that fusing point is 90 DEG C, 1.4 parts of tert-butyl hydroperoxide 2- ethylhexyls carbonic ester (organic peroxy chemical combination
Thing initiator), 1.0 parts of -2,4,6 (1H, 3H, 5H)-triketones (crosslinking coagent) of tri- -2- acrylic -1,3,5- triazines of 1,3,5-,
0.8 part of triethoxy vinyl silane (thickening coupling agent), the double -2,2,6,6- tetramethyl piperidines alcohol esters of 0.3 part of sebacic acid (stablize by light
Agent), 0.4 part of 2- hydroxyl -4- n-octyl phenyls ketone (UV absorbers), 0.12 part of 4,8- dimethyl -7- carboxyl cumarin
(light transformation additive), said components are uniformly mixed by mixing kettle, input casting machine and process conditions routinely are set
Good parameter, light conversion POE glued membranes are made by plasticizing extrusion, curtain coating, traction, winding.
Embodiment 4
The present invention provides a kind of light to convert POE glued membranes, the component composition of following parts by weight:100 parts of melt index are
60g/10min, the POE resin that fusing point is 85 DEG C, (organic per-compounds draw 1.2 parts of tert-butyl peroxy carbonic acid -2- ethylhexyls
Send out agent), 1.2 parts of triallyl isocyanates (crosslinking coagent), 1.0 parts of three ethoxy silane of vinyl (thickening coupling agent), 0.4 part
Sebacic acid double -2,2,6,6- tetramethyl piperidines alcohol ester (light stabilizer), 0.3 part of 2- hydroxyl -4- n-octyloxy Benzophenone (ultraviolet light
Absorbent), 0.1 part of 4,8- dimethyl -7- carboxyls cumarin (light transformation additive), said components are mixed by mixing kettle equal
Even, light turn is made by plasticizing extrusion, curtain coating, traction, winding in input casting machine and process conditions routinely set parameter
Change POE glued membranes.
Embodiment 5
The present invention provides a kind of light to convert POE glued membranes, the component composition of following parts by weight:100 parts of melt index are
70g/10min, the POE resin that fusing point is 80 DEG C, 0.8 part of t-butylperoxy formic acid 2- ethylhexyl ester (organic peroxy chemical combination
Thing initiator), 1.4 parts of triisopropyl fulminuric acid esters (crosslinking coagent), 1.2 parts of (triethoxysilyl) ethene (increase
Viscous coupling agent), 0.5 part of 2- (2 '-hydroxyl -5 '-aminomethyl phenyl)-benzotriazole (light stabilizer), 0.2 part of bis- tertiary fourth of 3,5-
Base -4- hydroxymethyl-benzoic acids -2,4- 6- di-tert-butyl phenyl ester (UV absorbers), 0.08 part of 4,8- dimethyl -7- carboxyl tonka-bean
Plain (light transformation additive), said components are uniformly mixed by mixing kettle, put into casting machine and process conditions routinely are set
Parameter is set, light conversion POE glued membranes are made by plasticizing extrusion, curtain coating, traction, winding.
Embodiment 6
The present invention provides a kind of light to convert POE glued membranes, the component composition of following parts by weight:100 parts of melt index are
80g/10min, the POE resin that fusing point is 75 DEG C, 0.6 part of tert-butyl hydroperoxide carbonic acid -2- ethylhexyl (organic per-compounds
Initiator), 1.6 parts of triallyl isocyanurates (crosslinking coagent), 1.4 parts of Triethoxyvinylsilanes (thickening coupling agent),
0.6 part of 2- (2 '-hydroxyl -5 '-aminomethyl phenyl)-benzotriazole (light stabilizer), 0.1 part of [2- hydroxyls -4- (octyloxy) benzene
Base] phenyl ketone (UV absorbers), 0.05 part of 4,8- dimethyl -7- carboxyls cumarin (light transformation additive), by above-mentioned group
Lease making is crossed mixing kettle and is uniformly mixed, input casting machine and process conditions routinely set parameter, by plasticizing extrusion, flows
Prolong, draw, wind be made light conversion POE glued membranes.
Effect assessment and performance detection
Do not add by formula identical example 1-6 but light transformation additive and match comparative example 1-6 respectively, according to《GBT
29848-2013 photovoltaic component encapsulatings ethylene-vinyl acetate copolymer (POE) glued membrane》Light made from example 1-6 is converted
POE glued membranes performance of photovoltaic module made from POE glued membranes made from comparative example 1-6 and respectively carries out contrast test.Contrast
Test result such as table 1 below:
Wherein, as shown in Figure 1, photovoltaic module includes ultra-clear glasses 1, light conversion POE glued membranes 2, monocrystalline or the polysilicon sun
Can cell piece 3, light conversion POE glued membranes 2, float glass or photovoltaic back 4;The ultra-clear glasses, light conversion POE glued membranes, monocrystalline
Or polysilicon solar battery slice, light conversion POE glued membranes, float glass or photovoltaic back are bonded successively from top to bottom;The light
Convert POE glued membranes and convert POE glued membranes for light prepared by embodiment 1-6.
The test result of table 1 embodiment 1-6 and comparative example 1-6
Component output power and the percentage (Cell To Module abbreviation CTM values) of cell piece power summation represent component
The degree of power loss, the degree of the higher expression component package power loss of CTM values are smaller.As can be seen from the above table, light converts
The addition of additive influences the basic performance of POE glued membranes without obvious, and CTM values are effectively improved also above contrast groups
The electricity conversion of component.
The above embodiment is only the preferred embodiment of the present invention, it is impossible to the scope of protection of the invention is limited with this,
The change and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed scope.