CN102637762B - Solar cell frame and preparation method thereof - Google Patents
Solar cell frame and preparation method thereof Download PDFInfo
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- CN102637762B CN102637762B CN201210136058.XA CN201210136058A CN102637762B CN 102637762 B CN102637762 B CN 102637762B CN 201210136058 A CN201210136058 A CN 201210136058A CN 102637762 B CN102637762 B CN 102637762B
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- 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
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- 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
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Abstract
The invention also provides a solar cell frame which is made of fiber reinforced thermosetting resin. The invention also provides a preparation method of the solar cell frame. The preparation method comprises the following steps: moulding and solidifying fibers in a mould after soaking the fibers in a resin mixture, so as to obtain fiber reinforced thermosetting resin profiled bars, wherein the resin mixture comprises resins and a solidifying agent; and assembling the fiber reinforced thermosetting resin profiled bars to obtain the solar cell frame. According to the invention, the solar cell frame obtained by utilizing the fiber reinforced thermosetting resin as the raw material not only has good mechanical property and aging property but also has good processability and can be prepared through a simple process, thus reducing the weight and cost of the solar cell frame; the fibers are directly soaked into the mixture of the resins and the solidifying agent so as to be mixed and the resins are solidified while the fibers are moulded in the mould, so as to obtain the fiber reinforced thermosetting resin profiled bars with excellent properties; and the method is simple and reliable to operate and mild in conditions.
Description
Technical field
The invention belongs to technical field of solar batteries, relate in particular to a kind of solar cell frame and preparation method thereof.
Background technology
Along with the exhaustion of fossil energy, various renewable New Energy Industries are surging forward, according to (the JRC of Joint Research Centre of European Union, Joint Research Center European Commission) prediction, to the year two thousand fifty, the ratio of regenerative resource will exceed traditional energy, account for 52%, wherein solar energy accounts for the last 1/2, and approximately 28%; To the end of this century, the ratio of regenerative resource will account for 86%, solar energy by occupy wherein approximately 67%.
Solar power generation is the important component part in solar energy strategy, and wherein, photovoltaic industry especially obtains the attention of national governments, and industrialization speed is very fast.Prior art discloses multiple photovoltaic cell, claims again solar cell.Solar cell is mainly divided into the battery taking element silicon as main body and the battery taking multielement semiconductor as main body.Mainly comprise selenium cell, cadmium sulphide cell, copper indium gallium selenide cell, cadmium telluride battery, GaAs battery, indium phosphide solar cell, dye-sensitized solar cells and organic film solar cell etc. taking elemental semiconductor as main solar cell, have advantages of that taking elemental semiconductor as main solar cell element use amount is little, some can also make concentrating solar battery to increase electricity conversion, but fewer as main photovoltaic cell commercialization successful story taking elemental semiconductor at present, the engineering that lacks on-site generated power is accumulated experience.In addition, some element content in the earth's crust is limited, and in refinement and use procedure, environment is had to pollution, as gallium, cadmium and arsenic etc.And the content of silicon in the earth's crust is 27.6%, be only second to oxygen; And, the technology of purification high purity silicon (>=99.9999%) is in industrial comparatively mature and reliable, therefore, the element silicon batteries such as the crystal silicon solar batteries including polysilicon and monocrystalline silicon have formed a flourish industry, will occupy dominant position in foreseeable future.
The laminated construction that being mainly configured to of crystal silicon solar batteries formed by sandwich constructions such as high transparent front plate, encapsulating film, silver slurry or aluminium paste wire, polycrystalline or monocrystalline silicon piece, encapsulating film and battery back-sheets.These materials, by the mode moulding of heated lamination, are used after sealing joint strip and frame assembling, mix terminal box, can obtain crystal silicon solar batteries.Wherein, frame is mainly that the core components such as cell piece are carried out to packaging protection, has material impact in the performance to crystal silicon solar batteries and useful life.
In prior art, frame mainly adopts aluminium section bar to make by cold extrusion processing mode, and not only energy consumption, cost are high, and easily produce leftover bits, cause waste.In addition, metallic aluminium is more oxidized, cause solar cell out of doors in use procedure the life-span shorter.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of solar cell frame and preparation method thereof, and solar cell frame provided by the invention has good mechanical property, ageing properties and processing characteristics, and preparation technology is simple.
The invention provides a kind of solar cell frame, its material is fibre-reinforced thermosetting resin.
Preferably, described thermosetting resin is unsaturated polyester resin, vinyl ester resin, epoxy resin or polyurethane resin.
Preferably, described fiber is long fibre or long fibre fabric.
Preferably, described fiber is one or more in glass fibre, polymer fiber, carbon fiber, flaxen fiber and bamboo fibre.
Preferably, to account for the mass fraction of described fibre-reinforced thermosetting resin be 30% ~ 80% to described fiber.
Preferably, in described fibre-reinforced thermosetting resin, also comprise one or more in antioxidant, stabilizer, flexibilizer, release agent and anti-ultraviolet ageing agent.
The present invention also provides a kind of preparation method of solar cell frame, comprises the following steps:
After fiber is infiltrated in resin compound, in die for molding, curing, obtain fibre-reinforced thermosetting resin profile shapes, described resin compound comprises resin and curing agent;
By described fibre-reinforced thermosetting resin profile shapes assembling, obtain solar cell frame.
Preferably, described resin compound also comprises catalyst.
Preferably, described resin compound also comprises one or more in antioxidant, stabilizer, flexibilizer, release agent and anti-ultraviolet ageing agent.
Preferably, described resin is unsaturated polyester resin, vinyl ester resin, epoxy ester resin or polyurethane resin; Described fiber is long fibre or fabric.
Compared with prior art, the present invention prepares solar cell frame taking fibre-reinforced thermosetting resin as raw material, comprise the following steps: fiber is infiltrated in the mixture of resin and curing agent, then in die for molding, obtain fibre-reinforced thermosetting resin profile shapes after solidifying, then will after the assembling of this profile shapes, can obtain solar cell frame.The present invention is taking fibre-reinforced thermosetting resin as raw material, and the solar cell frame obtaining not only has good mechanical property and ageing properties, and has good processing characteristics, can prepare by simple technique, thereby reduce its weight and cost.In addition, the mixture that the present invention is directly infiltrated on fiber resin and curing agent mixes, and makes resin solidification obtain the fibre-reinforced thermosetting resin profile shapes of function admirable in die for molding, and operation is simple and reliable for the method, mild condition.Experiment shows, compared with aluminium section bar solar cell frame, the weight of solar cell frame provided by the invention can alleviate 1/3, cost can decline 30% ~ 40%, and its hot strength can improve 1.5 ~ 5 times, coefficient of linear expansion can be reduced to 5 ~ 6, and ageing properties is far superior to aluminium section bar solar cell frame.
Brief description of the drawings
The process chart of the solar cell frame that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the structural representation of the solar cell frame that obtains of the present invention.
Embodiment
The invention provides a kind of solar cell frame, its material is fibre-reinforced thermosetting resin.
The present invention is taking fibre-reinforced thermosetting resin as raw material, the solar cell frame obtaining not only has good mechanical property and ageing properties, and there is good processing characteristics, can prepare by simple pultrusion molding process, thereby reduce its weight and cost.
In the present invention, described thermosetting resin be resin under the effect of curing agent by room temperature or be heating and curing and obtain, include but not limited to the thermosetting resin being obtained through overcuring by resins such as unsaturated polyester resin, vinyl ester resin, epoxy resin or polyurethane resins.It should be noted that, due to the resin difference adopting, its curing mechanism is also different, and the kind of curing agent is not identical yet, it will be understood by those skilled in the art that the material such as initator, crosslinking agent for resin formation thermosetting resin is adopted is also the said curing agent of the present invention.
Unsaturated polyester resin refers to the resin being formed through polycondensation reaction by dicarboxylic acids and dihydroxylic alcohols, and this resin can be cross-linked to form the huge network molecule with labyrinth with unsaturated monomer.The type of unsaturated polyester resin can be adjacent benzene type, metaphenylene, neopentyl glycol/adjacent benzene or metaphenylene etc., and the present invention is preferably metaphenylene.In the present invention, make the unsaturated monomer of described unsaturated polyester resin crosslinking curing, i.e. curing agent, is called again crosslinking agent, be mainly the monomer that contains ethylene linkage, as Styrene and its derivatives, vinyltoluene, acrylate, diallyl phthalate and triallyl cyanurate etc.In the present invention, the mixture of described unsaturated polyester resin and crosslinking agent can configure voluntarily, also can be bought directly from the market.
The cross-linking and curing reaction of unsaturated polyester resin and crosslinking agent is that the two keys in free radical activation resin and the crosslinking agent producing by initator cause, and is a kind of free radical sudden reaction, therefore, needs to use initator in cross-linking process; Described initator can be organic peroxide or azo-compound, is preferably organic peroxide, as t-butyl perbenzoate, benzoyl peroxide, cyclohexanone peroxide or isopropyl benzene hydroperoxide etc.Make described cross-linking and curing reaction controlled in order to allow, the present invention preferably adds promoter in cross-linking process, and described promoter includes but not limited to cobalt octoate, cobalt naphthenate or aminated compounds, as dimethylaniline etc.By selecting different initators or promoter, can realize the cold curing of unsaturated polyester resin or be heating and curing, as select methyl ethyl ketone peroxide or cyclohexanone peroxide and cobalt accelerator, or select benzoyl peroxide and phenyl amines promoter can realize the cold curing of unsaturated polyester resin; Select benzoyl peroxide, t-butyl perbenzoate or isopropyl benzene hydroperoxide etc. can realize being heating and curing of unsaturated polyester resin, to this, the present invention there is no particular restriction, and those skilled in the art can select as required.
In the present invention, described thermosetting resin obtains after can also being solidified by vinyl ester resin.Vinyl ester resin is to carry out diluting with reactive monomer the mixture obtaining again after addition reaction by epoxy resin with containing the unsaturated monoacid of ethylene linkage, wherein, epoxy resin and be matrix resin containing the unsaturated monacid addition compound product of ethylene linkage, reactive monomer has the effect of crosslinking agent or curing agent, be epoxy resin and crosslinked under the effect of reactive monomer, curing containing the unsaturated monacid addition compound product of ethylene linkage, obtain thermosetting resin.In vinyl ester resin, epoxy resin includes but not limited to diglycidyl ether, epoxy novolac and the diepoxy PPOX etc. of the diglycidyl ether of bisphenol-A or its homologue, tetrabromobisphenol A; Unsaturated monoacid containing ethylene linkage includes but not limited to acrylic acid and methacrylic acid etc.; Reactive monomer includes but not limited to styrene, vinyltoluene, dicyclopentadiene and acrylate etc.In the present invention, described vinyl ester resin can directly be bought from the market, also can configure voluntarily the mixture of the resin obtaining as the epoxy resin E44 of styrene dilution and metering system acid reaction.
In like manner, epoxy resin and also causing by initator containing the unsaturated monacid addition compound product of ethylene linkage and the cross-linking and curing reaction of reactive monomer, is a kind of free radical sudden reaction, therefore, needs to use initator in cross-linking process; Described initator can be organic peroxide or azo-compound, is preferably organic peroxide, as t-butyl perbenzoate, benzoyl peroxide, cyclohexanone peroxide or isopropyl benzene hydroperoxide etc.Make described cross-linking and curing reaction controlled in order to allow, the present invention preferably adds promoter in cross-linking process, and described promoter includes but not limited to cobalt octoate, cobalt naphthenate or aminated compounds, as dimethylaniline etc.For the curing mode of vinyl ester resin, the present invention there is no particular restriction, and those skilled in the art can select as required.
In the present invention, described thermosetting resin can also be by obtaining after epoxy resin cure.Epoxy resin is the organic high molecular compound that contains two or more epoxide groups in general reference molecule, comprises the five large classes such as glycidol ether based epoxy resin, ethylene oxidic ester based epoxy resin, glycidol amine epoxy resin, line style aliphatic category epoxy resin, alicyclic based epoxy resin.In the present invention, described epoxy resin is preferably glycidol ether based epoxy resin or glycidol amine epoxy resin, more preferably propane type epoxy resin of di phenolic group (abbreviation bisphenol A type epoxy resin).In the strand of epoxy resin, contain active epoxide group, it can form and have the cancellated high polymer of three-dimensional with polytype curing agent generation cross-linking reaction.In the present invention, curing curing agent for epoxy resin includes but not limited to the curing agent such as fatty amine, aliphatic cyclic amine, aromatic amine, polyamide, acid anhydrides, resinae, tertiary amine, as selected amine curing agent to realize normal temperature or low-temperature setting, select acid anhydrides, aromatics curing agent to realize to be heating and curing etc.In addition, the present invention can also make epoxy resin cure by ultraviolet ray or light etc. under the effect of light trigger.To this, the present invention there is no particular restriction, and those skilled in the art can select as required.Become in the process of thermosetting resin at epoxy resin cure, can also add the additives such as modifier, filler, diluent.
In the present invention, described thermosetting resin can also be by obtaining after curable urethane resin.Polyurethane resin refers to the polymer of contain-NHCOO-constitutional repeating unit of main chain, carries out polymerization reaction form by isocyanates and hydroxy compounds.Wherein, conventional isocyanates comprises the vulcabond such as toluene di-isocyanate(TDI), vulcabond diphenyl-methane, and this vulcabond both can be used as the reaction raw materials of matrix resin, also can be used as crosslinking agent and uses; Conventional polyalcohol comprises: simple polyalcohol including ethylene glycol, glycerol etc., containing the polyester oligomer of terminal hydroxyl, containing the polyether oligomers of terminal hydroxyl etc.Polyurethane resin is solidified into thermosetting resin under the effect of curing agent, and the present invention is not particularly limited described curing agent, curing agent well known to those skilled in the art.In addition, those skilled in the art can directly buy the dual-component polyurethane that obtains the curing agent that comprises polyurethane resin from the market, are solidified under proper condition, as PUL 2500 of BAYDUR etc.
The present invention prepares solar cell frame with fibre-reinforced thermosetting resin, and described fiber can be long fibre, chopped strand, long fibre fabric etc., is preferably long fibre or long fibre fabric, as fibrofelt etc.In the present invention, described fiber is preferably one or more in glass fibre, polymer fiber, carbon fiber, flaxen fiber and bamboo fibre, and more preferably glass fibre, most preferably is alkali-free glass fibre.
In the present invention, in described fibre-reinforced thermosetting resin, be preferably 30% ~ 80% as the mass fraction of the fiber of reinforcing material, more preferably 35% ~ 75%, most preferably be 40% ~ 70%.
In order to improve the combination property of the solar cell frame obtaining, in fibre-reinforced thermosetting resin provided by the invention, also comprise additive, described additive comprise but be not limited to commonly use for improving antioxidant, stabilizer, release agent, flexibilizer, anti-ultraviolet ageing agent of resin combination property etc., can be wherein one or more, those skilled in the art can carry out the selection of additive as required, and the present invention there is no particular restriction to this.
In the present invention, described antioxidant can be aromatic amine antioxidant, comprises diphenylamines, p-phenylenediamine (PPD) or dihydroquinoline etc.; Also can be Hinered phenols antioxidant, as tri-grades of butyl-4-methylphenols of 2,6-, two (tri-grades of butyl-4-hydroxy phenyls of 3,5-) thioether, four (β-(tri-grades of butyl-4-hydroxy phenyls of 3,5-) propionic acid) pentaerythritol ester etc.; Described antioxidant can also comprise auxiliary antioxidant, include but not limited to thio-2 acid dibasic acid esters, phosphite ester etc., be preferably two Lauryl Alcohol esters, two ten four carbon alcohols esters, two octadecanol ester, three monooctyl esters, three the last of the ten Heavenly stems ester, three (Lauryl Alcohol) esters or three (16 carbon alcohol) ester; The present invention is not particularly limited the content of described antioxidant, and its mass fraction that accounts for described fibre-reinforced thermosetting resin is preferably 0.05% ~ 3%, and more preferably 0.1% ~ 2%.
Described stabilizer can comprise light stabilizer, heat stabilizer or optothermal stabilizer, be preferably optothermal stabilizer, described heat stabilizer includes but not limited to lead salts, metal soap, organic tin, phosphorous acid esters or epoxies etc., preferably includes the main stabilizer and the auxiliary stabilizer that comprises non-metal kind of metallic salt.Those skilled in the art can select described stabilizer as required, and the present invention there is no particular restriction.In the present invention, the mass fraction that described stabilizer accounts for described fibre-reinforced thermosetting resin is preferably 0.05% ~ 3%, and more preferably 0.1% ~ 2%.
Described flexibilizer can be flexibilizer well known to those skilled in the art, include but not limited to liquid rubber, elastic body toughening agent, inorganic rigid powder, as the polyisobutene of succinic anhydride grafting, reactive fluid rubber ATBN, isocyanate-terminated liquid polyurethane, micron and nanometer aluminum particle etc.Those skilled in the art can select described flexibilizer as required, and the present invention there is no particular restriction.In the present invention, the mass fraction that described flexibilizer accounts for described fibre-reinforced thermosetting resin is preferably 2% ~ 15%, more preferably 5-10%.
Described release agent can be stearate well known to those skilled in the art, as zinc stearate etc.Those skilled in the art can select described release agent as required, and the present invention there is no particular restriction.In the present invention, the mass fraction that described release agent accounts for described fibre-reinforced thermosetting resin is preferably 0.05% ~ 3%, and more preferably 0.1% ~ 2%.
Ultra-violet absorber is again in described anti-ultraviolet ageing agent, can be salicylate class, benzophenone class, benzotriazole, group-substituted acrylonitrile, triazines, hindered amines etc., be preferably the compound of salicylate class, benzophenone class, benzotriazole, group-substituted acrylonitrile or triazines and hindered amines.Those skilled in the art can select described anti-ultraviolet ageing agent as required, and the present invention there is no particular restriction.In the present invention, the mass fraction that described anti-ultraviolet ageing agent accounts for described fibre-reinforced thermosetting resin is preferably 0.2% ~ 2%, and more preferably 0.3% ~ 0.8%.
The present invention is taking fibre-reinforced thermosetting resin as raw material, and the solar cell frame that its processing is obtained not only has good mechanical property and ageing properties, and has good processing characteristics.
The present invention also provides a kind of preparation method of solar cell frame, comprises the following steps:
After fiber is infiltrated in resin compound, in die for molding, curing, obtain fibre-reinforced thermosetting resin profile shapes, described resin compound comprises resin and curing agent;
By described fibre-reinforced thermosetting resin profile shapes assembling, obtain solar cell frame.
First the present invention mixes resin and curing agent, obtains resin compound.In the technical program, described resin is identical with resin and curing agent that technique scheme adopts with curing agent, does not repeat them here.The present invention does not limit the hybrid mode of described resin and curing agent, can in the mixers such as common mixer, static mixer, liquid injection pump, mix.
In order to control curing rate, in described resin compound, preferably also comprise promoter, also can be referred to as catalyst; The present invention is not particularly limited described promoter, and those skilled in the art can select to determine according to the resin of selecting and curing agent.
In order to improve the combination property of the solar cell frame obtaining, in resin compound provided by the invention, preferably also comprise additive, described additive comprise but be not limited to commonly use for improving antioxidant, stabilizer, release agent, flexibilizer, anti-ultraviolet ageing agent of resin combination property etc., can be wherein one or more, identical with the additive described in technique scheme, do not repeat them here.
Obtain after resin compound, will be infiltrated in described resin compound as the fiber of reinforcing material, then by the fiber that has infiltrated resin compound in die for molding, solidify, obtain fibre-reinforced thermosetting resin profile shapes.In the present invention, described fiber can be long fibre, chopped strand, long fibre fabric etc., is preferably long fibre or long fibre fabric, as fibrofelt etc.In the present invention, described fiber is preferably one or more in glass fibre, polymer fiber, carbon fiber, flaxen fiber and bamboo fibre, and more preferably glass fibre, most preferably is alkali-free glass fibre.In the present invention, the mass fraction that described fiber accounts for resin compound and total fiber mass is preferably 30% ~ 80%, and more preferably 35% ~ 75%, most preferably be 40% ~ 70%.
Described fiber is infiltrated in described resin compound, make the mixed thing of fiber fully infiltrate or soak into, specifically comprise the following steps: first fiber is placed on creel, then derive and apply certain tension force through yarn guide, fiber imports the container that resin compound is housed, in steeping vat or resin injection box, in this container, be provided with tensioner, can make fiber fully contact with resin compound, make fiber fully be infiltrated or soak into, be compounded to form the fibre reinforced materials that resin-coating infiltrates; Then this reinforcing material is imported in the profile shapes mould with heater, hot briquetting solidify and cut off by shearing device after, obtain fibre-reinforced thermosetting resin profile shapes.The present invention is solidified and is not particularly limited described hot briquetting, and those skilled in the art can determine according to the resin of selecting, curing agent and promoter etc.Those skilled in the art can select described profile shapes mould as required, and the present invention there is no particular restriction to this.Length, the cross sectional shape etc. of described profile shapes can be determined according to the shape of solar cell, size by those skilled in the art, and the present invention also there is no particular restriction.
Obtain after profile shapes, described profile shapes is assembled and can obtain solar cell frame, the present invention is not particularly limited the concrete mode of described assembling, can be with reference to the assembling mode of aluminum alloy doorframe, picture frame, picture frame, photo frame etc., include but not limited to that screw connects, is threaded, bayonet socket is connected with draw-in groove, groove connection, welding and bonding etc. are the mode of profile shapes assembling, are preferably bonding.
Referring to Fig. 1, the process chart of the solar cell frame that Fig. 1 provides for the embodiment of the present invention, wherein, 1 is creel, and 2 is yarn guide, and 3 for being provided with the steeping vat of tensioner, and 4 is heatable profile shapes mould, and 5 is draw-gear, and 6 is shearing device.
Resin, curing agent, promoter, other additives etc. are mixed in steeping vat 3, obtain resin compound; Fiber is placed on creel 1, exports in steeping vat 3 and under the effect of tensioner, fully to infiltrate resin compound via yarn guide 2; The fiber that has infiltrated resin compound enters curing, moulding under the condition of heating in heatable profile shapes mould 4, profile shapes after moulding is drawn by draw-gear 5, and cut off via shearing device 6, obtain having the profile shapes of length-specific and specific sectional shape, described profile shapes assembling can be obtained to solar cell frame.Referring to Fig. 2, Fig. 2 is the structural representation of the solar cell frame that obtains of the present invention.
Obtain after solar cell frame, it is carried out to performance test, result shows, compared with aluminium section bar solar cell frame, the weight of solar cell frame provided by the invention can alleviate 1/3, and cost can decline 30% ~ 40%, and its hot strength can improve 1.5 ~ 5 times, coefficient of linear expansion can be reduced to 5 ~ 6, and ageing properties is far superior to aluminium section bar solar cell frame.
In order to further illustrate the present invention, be described in detail the invention provides solar cell frame and preparation method thereof below in conjunction with embodiment.
Embodiment 1
According to the process chart shown in Fig. 1, carry out the preparation of solar cell frame according to following steps:
Multireel alkali-free glass rove is unreeled by creel 1 and derived through yarn guide 2, and the diameter of described monovolume alkali-free glass rove is 24 microns, and number number is 2400Tex;
After fully being mixed, 100 weight portion unsaturated polyester resins, 4 weight portion zinc stearates, 2 weight portion t-butyl perbenzoates, the low shrinker of 0.08 weight portion PST and 0.5 weight portion ultraviolet-resistant absorbent put into steeping vat 3; The glass rove of deriving through yarn guide 2 fully infiltrates in steeping vat 3, forms the fiber-reinforced resin that glass fibre mass fraction is 70%; Described fiber-reinforced resin is imported in profile shapes mould 4, in profile shapes mould 4 hot briquetting solidify after with draw-gear 5 pull out and after shearing device 6 cut-outs, obtain thering is length-specific, the profile shapes of specific sectional shape, to after described profile shapes assembling, obtain solar cell frame, wherein, described unsaturated polyester resin is metaphenylene unsaturated polyester resin.
The described fiber reinforced thermosetting resin composite material for solar cell frame is carried out to performance test, and result is referring to table 1, the performance test results of the solar cell frame that table 1 provides for the embodiment of the present invention and comparative example.
Embodiment 2
According to the process chart shown in Fig. 1, carry out the preparation of solar cell frame according to following steps:
Multireel alkali-free glass rove is unreeled by creel 1 and derived through yarn guide 2, and the diameter of described monovolume alkali-free glass rove is 24 microns, and number number is 2400Tex;
After fully being mixed, 100 parts by weight of ethylene base ester resins, 4 weight portion zinc stearates, 2 weight portion t-butyl perbenzoates, the low shrinker of 0.06 weight portion PST and 0.5 weight portion ultraviolet-resistant absorbent put into steeping vat 3; The glass rove of deriving through yarn guide fully infiltrates in steeping vat 3, forms the fiber-reinforced resin that glass fibre mass fraction is 70%; Described fiber-reinforced resin is imported in profile shapes mould 4, in profile shapes mould 4 hot briquetting solidify after with draw-gear 5 pull out and after shearing device 6 cut-outs, obtain thering is length-specific, the profile shapes of specific sectional shape, to after described profile shapes assembling, obtain solar cell frame, wherein, described vinyl ester resin is to be obtained and with the vinyl ester resin after styrene dilution by E44 epoxy resin and metering system acid reaction.
The described fiber reinforced thermosetting resin composite material for solar cell frame is carried out to performance test, and result is referring to table 1, the performance test results of the solar cell frame that table 1 provides for the embodiment of the present invention and comparative example.
Embodiment 3
According to the process chart shown in Fig. 1, carry out the preparation of solar cell frame according to following steps:
Multireel alkali-free glass rove is unreeled by creel 1 and derived through yarn guide 2, and the diameter of described monovolume alkali-free glass rove is 24 microns, and number number is 2400Tex;
After fully being mixed, 100 weight portion shell epoxy 828,4 weight portion zinc stearates, 18 weight portion 590 curing agent, 10 weight portion flexibilizer and 0.5 weight portion ultraviolet-resistant absorbent put into steeping vat 3; The glass rove of deriving through yarn guide 2 fully infiltrates in steeping vat 3, forms the fiber-reinforced resin that glass fibre mass fraction is 70%; Described fiber-reinforced resin is imported in profile shapes mould 4, in profile shapes mould 4 hot briquetting solidify after with draw-gear 5 pull out and after shearing device 6 cuts off, obtain thering is length-specific, the profile shapes of specific sectional shape, after will described profile shapes assembling, obtain solar cell frame.
The described fiber reinforced thermosetting resin composite material for solar cell frame is carried out to performance test, and result is referring to table 1, the performance test results of the solar cell frame that table 1 provides for the embodiment of the present invention and comparative example.
Embodiment 4
According to the process chart shown in Fig. 1, carry out the preparation of solar cell frame according to following steps:
Multireel alkali-free glass rove is unreeled by creel 1 and derived through yarn guide 2, and the diameter of described monovolume alkali-free glass rove is 24 microns, and number number is 2400Tex;
100 weight portion polyurethane resins, 4 weight portion release agent 0.5 weight portion ultraviolet-resistant absorbent are put into steeping vat 3 after fully mixing; The glass rove of deriving through yarn guide 2 fully infiltrates in steeping vat 3, forms the fiber-reinforced resin that glass fibre mass fraction is 70%; Described fiber-reinforced resin is imported in profile shapes mould 4, in profile shapes mould 4 hot briquetting solidify after with draw-gear 5 pull out and after shearing device 6 cut-outs, obtain thering is length-specific, the profile shapes of specific sectional shape, to after described profile shapes assembling, obtain solar cell frame, wherein, described polyurethane resin is the two component liquid polyurethanes of PUL2500 that BAYER company produces.
The described fiber reinforced thermosetting resin composite material for solar cell frame is carried out to performance test, and result is referring to table 1, the performance test results of the solar cell frame that table 1 provides for the embodiment of the present invention and comparative example.
Comparative example 1
The solar cell frame aluminium section bar that adopts Zhangjiagang Huayang Metal Co., Ltd. to sell is prepared solar cell frame, it is carried out to performance test, result is referring to table 1, the performance test results of the solar cell frame that table 1 provides for the embodiment of the present invention and comparative example.
The performance test results of the solar cell frame that table 1 embodiment of the present invention and comparative example provide
As shown in Table 1, compared with aluminium section bar solar cell frame, the weight of solar cell frame provided by the invention can alleviate 1/3, cost can decline 30% ~ 40%, and its hot strength can improve 1.5 ~ 5 times, coefficient of linear expansion can be reduced to 5 ~ 6, and ageing properties is far superior to aluminium section bar solar cell frame.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a solar cell frame, its material is fibre-reinforced thermosetting resin;
Described thermosetting resin is polyurethane resin;
The mass fraction that described fiber accounts for described fibre-reinforced thermosetting resin is 30%～80%.
2. solar cell frame according to claim 1, is characterized in that, described fiber is long fibre or long fibre fabric.
3. solar cell frame according to claim 1, is characterized in that, described fiber is one or more in glass fibre, polymer fiber, carbon fiber, flaxen fiber and bamboo fibre.
4. solar cell frame according to claim 1, is characterized in that, also comprises one or more in antioxidant, stabilizer, flexibilizer, release agent and anti-ultraviolet ageing agent in described fibre-reinforced thermosetting resin.
5. a preparation method for solar cell frame, comprises the following steps:
After fiber is infiltrated in resin compound, in die for molding, curing, obtain fibre-reinforced thermosetting resin profile shapes, described resin compound comprises resin and curing agent, and described resin is polyurethane resin; The mass fraction that described fiber accounts for described fibre-reinforced thermosetting resin is 30%～80%;
By described fibre-reinforced thermosetting resin profile shapes assembling, obtain solar cell frame.
6. preparation method according to claim 5, is characterized in that, described resin compound also comprises catalyst.
7. preparation method according to claim 6, is characterized in that, described resin compound also comprises one or more in antioxidant, stabilizer, flexibilizer, release agent and anti-ultraviolet ageing agent.
8. preparation method according to claim 5, is characterized in that, described fiber is long fibre or fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210136058.XA CN102637762B (en) | 2012-05-03 | 2012-05-03 | Solar cell frame and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210136058.XA CN102637762B (en) | 2012-05-03 | 2012-05-03 | Solar cell frame and preparation method thereof |
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| CN103205004A (en) * | 2013-04-02 | 2013-07-17 | 天津顺御科技有限公司 | Composite material section bar as well as preparation method and application thereof in preparation of solar photovoltaic module |
| CN103236454B (en) * | 2013-04-02 | 2016-03-02 | 天津顺御科技有限公司 | A kind of glass fiber reinforced plastic shapes and preparation method thereof with preparing the application in solar photovoltaic assembly |
| CN104761880B (en) * | 2015-03-17 | 2018-01-23 | 哈尔滨工程大学 | Short fiber reinforced pultrusion composite materials solar components frame and preparation method thereof |
| CN107383846B (en) * | 2017-06-21 | 2023-09-12 | 南京经略复合材料有限公司 | Glass fiber reinforced two-component pultrusion polyurethane material and application thereof in magnetic steel battens of direct-drive permanent magnet synchronous wind driven generator |
| CN109880303A (en) * | 2019-01-31 | 2019-06-14 | 湖南诺诚光伏科技有限公司 | A kind of solar panel frame waterborne and preparation method thereof |
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| CN102364694A (en) * | 2011-11-01 | 2012-02-29 | 杭州福膜新材料科技有限公司 | Solar battery back plate and solar battery |
| CN202183401U (en) * | 2011-08-30 | 2012-04-04 | 常州天合光能有限公司 | Color nonmetal detachable insulating frame of solar module |
| CN103302872A (en) * | 2012-03-14 | 2013-09-18 | 杨亚升 | Glass fiber reinforced plastic section for solar cell module frame and production method thereof |
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| CN202183401U (en) * | 2011-08-30 | 2012-04-04 | 常州天合光能有限公司 | Color nonmetal detachable insulating frame of solar module |
| CN102364694A (en) * | 2011-11-01 | 2012-02-29 | 杭州福膜新材料科技有限公司 | Solar battery back plate and solar battery |
| CN103302872A (en) * | 2012-03-14 | 2013-09-18 | 杨亚升 | Glass fiber reinforced plastic section for solar cell module frame and production method thereof |
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