CN103280846A - Flexible photovoltaic integrated power supply system - Google Patents
Flexible photovoltaic integrated power supply system Download PDFInfo
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- CN103280846A CN103280846A CN2013101019104A CN201310101910A CN103280846A CN 103280846 A CN103280846 A CN 103280846A CN 2013101019104 A CN2013101019104 A CN 2013101019104A CN 201310101910 A CN201310101910 A CN 201310101910A CN 103280846 A CN103280846 A CN 103280846A
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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
- 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
- Y02E10/548—Amorphous silicon PV cells
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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
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a flexible photovoltaic integrated power supply system. The power supply system comprises a physical power supply, a chemical power supply and a power supply controller. Solar energy is converted into electric energy through the physical power supply. A flexible thin film solar battery module is adopted and comprises an amorphous silicon thin film solar battery module, a microcrystalline silicon thin film solar battery module, an amorphous silicon-germanium thin film solar battery module, and a laminated solar battery module consisting of the amorphous silicon thin film solar battery module, the microcrystalline silicon thin film solar battery module and the amorphous silicon-germanium thin film solar battery module, or a copper-indium-gallium-selenium thin film solar battery module. The chemical power supply adopts a storage battery component which comprises a nickel-cadmium battery module, a nickel-hydrogen battery module, a lithium ion battery module, an alkaline-manganese charging battery module or a lead-acid storage battery module. The power supply controller is a solar power supply single output controller with the model of V-ST10, is respectively connected with the physical power supply, the chemical power supply and the load, and is used for regulating and controlling the physical power supply and the chemical power supply. The flexible photovoltaic integrated power supply system provided by the invention has the advantages of good flexibility, light weight, high intensity, good environment tolerance and the like.
Description
Technical field
The present invention relates to a kind of new forms of energy photovoltaic system, particularly, relate to a kind of flexible photovoltaic integration power-supply system.
Background technology
Solar energy power generating is the energy that enjoys favor and expectation in the clean reproducible energy, shines upon tellurian energy and can satisfy the whole mankind's needed whole energy of surviving.Solar energy power generating is used on the artificial satellite the earliest, and is general civilian since about 1994, though have only short more than ten years history, develops very fast.Traditional silicon-based thin film solar cell is deposited on the rigid substrate such as glass, and the volume of this kind solar cell is big, and quality is big, and the consumptive material power consumption can only be used for the generating of fixed flat planar position, limit its range of application.
Be deposited on the flexible thin-film solar cell on the flexible substrate such as polyester film, shortcoming and the drawback that can evade the rigidity solar cell well.Flexible solar cell has thin thickness, in light weight usually, and good gathering volume ratio is arranged.Saving metal material and energy in pilot scale or the production process, and be not subject to the shape of installed surface is can be easily crooked or curl arbitrarily; Also can be it as in emergency circumstances stand-by power supply or communicator power supply; Also can be as the power supply of space with artificial satellite.
Summary of the invention
The purpose of this invention is to provide a kind of flexible thin-film solar cell component that utilizes as power supply, is electric energy with conversion of solar energy, and adopts chemical power source to realize the storage of electric energy as accumulation power supply.This system can be applied on the unrestricted curvature substrate better, can realize the different area size, the seamless link of different curvature shape.
In order to achieve the above object, the invention provides a kind of flexible photovoltaic integration power-supply system, wherein, this power-supply system comprises physical power source, chemical power source and power-supply controller of electric.
Described physical power source is electric energy with conversion of solar energy.Adopt flexible thin-film solar cell component, comprise the amorphous silicon film solar battery assembly, microcrystalline silicon solar cell assembly, amorphous silicon germanium thin film solar module, and any one or a few stacked solar cell, cascade solar cell assembly of forming wherein, or CIGS thin film solar cell module.
Described chemical power source can be realized the storage of electric energy as accumulation power supply, adopts accumulator cell assembly, comprises the nickel-cadmium cell assembly, Ni-MH battery assembly, lithium ion battery assembly, alkali manganese rechargeable battery assembly or lead-acid battery component.
Described power-supply controller of electric is sun-generated electric power single channel o controller, and model is V-ST10, is connected with physical power source, chemical power source and load respectively, as the power-supply controller of electric of regulation and control physical power source and chemical power source.
Above-mentioned flexible photovoltaic integration power-supply system, wherein, described sun-generated electric power single channel o controller is the single-chip microcomputer intelligent controller of realizing storage battery is carried out solar recharging by pulse width modulation (PMW).Solar cell belongs to photovoltaic apparatus (major part is semi-conducting material), and it through light irradiation back photoelectric effect takes place and produces electric current.Because attribute and limitation that material and light have, the electric current of its generation also is the curve with fluctuation, if directly charge in the storage battery electric current that generates or direct powering load, then cause the damage of storage battery and load easily, seriously reduced their life-span.Therefore we must send into controller for solar to electric current earlier, adopt the special chip circuit that it is carried out digitlization and regulate, and add multistage charge and discharge protecting.When load is powered, also be to allow the electric current of storage battery flow into controller for solar earlier, through after its adjusting, again electric current sent into load.Doing one like this is for the stable discharging electric current; The 2nd, in order to guarantee that storage battery is not by overdischarge; The 3rd, can carry out a series of monitoring and protecting to load and storage battery.Described sun-generated electric power single channel o controller has used single-chip microcomputer and software, realizes Based Intelligent Control; Utilize the accurate discharge control of battery discharge rate characteristic correction.Final discharging voltage is the control point by the correction of discharge rate curve, has eliminated simple voltage control and has crossed the inaccuracy of putting, and meets the intrinsic characteristic of storage battery, and namely different discharge rates have different end of a period voltage.Have overcharge, cross put, electrical short, overload protection, unique Automatic Control such as anti-reverse protection; More than protection does not all damage any parts, does not burn insurance; Adopted tandem PWM charging main circuit, make the loss of voltage of charge circuit use the charging circuit of diode reduce near half, the high 3%-6% of the more non-PWM of charge efficiency has increased the electricity consumption time; Cross the lifting charging of putting recovery, directly fill normally, the floating charge automatic control mode makes system that be arranged longer useful life; Has high precision temperature compensation simultaneously; The LED luminous tube is indicated current battery condition intuitively, allows the user understand behaviour in service; The technical grade chip is all adopted in all controls, can move freely at cold, high temperature, wet environment.Used the crystal oscillator timing controlled simultaneously, timing controlled is accurate.
Above-mentioned flexible photovoltaic integration power-supply system, wherein, described flexible thin-film solar cell component connects as physical power source by serial or parallel connection, and described accumulator cell assembly is connected in parallel as chemical power source.
Above-mentioned flexible photovoltaic integration power-supply system, wherein, described flexible thin-film solar cell is deposited on metal forming flexible substrate or the polyester film flexible substrate.
Above-mentioned flexible photovoltaic integration power-supply system, wherein, described flexible thin-film solar cell is amorphous silicon (the inline thin film solar cell of lamination of α-Si).
Above-mentioned flexible photovoltaic integration power-supply system, wherein, described amorphous silicon laminated inline thin film solar cell comprises flexible back plate from the bottom to top, flexible substrate, back reflector, amorphous silicon laminated, nesa coating, grid line, extraction electrode and encapsulated layer.The described amorphous silicon laminated N layer that comprises respectively, intrinsic layer (I layer) and P layer.
Above-mentioned flexible photovoltaic integration power-supply system, wherein, described amorphous silicon laminated the deposition by the plasma enhanced chemical vapor deposition method forms; Described back reflector and nesa coating form by the magnetron sputtering growth; Described extraction electrode as intermediate medium, and adopts flexibility to be welded with easy side's property conductive silver glued membrane.
Above-mentioned flexible photovoltaic integration power-supply system, wherein, described nesa coating adopts transparent indium tin oxide (ITO) coating conducting film; Described back reflector adopts Ag and ZnO; Described grid line adopts the silver slurry; Described extraction electrode adopts zinc-plated copper strips.
Above-mentioned flexible photovoltaic integration power-supply system, wherein, described flexible back plate is ethylene-vinyl acetate copolymer (EVA); Described flexible substrate is polyimides (PI) polyester film; Described encapsulated layer adopts siloxane series glue to cooperate the homologous series diluent.
The preferred amorphous silicon of the present invention and amorphous silicon laminated solar cell, because it is higher with respect to the solar cell of other type of homologous series or dissimilar solar cell that the low light level of amorphous silicon is opened pressure, and spectral response range is wideer, so this kind solar module can be realized continuing, working efficiently, charge and discharge efficient height, the life-span is long.When system connects normally, and when having solar radiation to the flexible solar cell assembly, charging indicator light is green Chang Liang, and expression system charging circuit is normal; When green fast blink appears in charging indicator light, illustrative system voltage superpressure, these automatic control processes will make storage battery reach the optimal charge effect and guarantee or prolong its useful life.
Flexible photovoltaic integration power-supply system provided by the invention has the following advantages:
Have when the external world under the situation of illumination, physical power source of the present invention is electric energy with conversion of solar energy and is the chemical power source charging; Do not have when the external world under the situation of illumination, the chemical power source electric energy stored is powering load directly.
What the present invention adopted is flexible thin-film solar cell, is not subject to the shape of carrier, so can realize the different area size, the seamless link of different curvature shape.Use the present invention, can expand the application of flexible thin-film solar cell greatly, reduce the impost of flexible thin-film solar cell, improve the gravimetric specific power of flexible thin-film solar cell, strengthen the environmental resistance of flexible thin-film solar cell.
The present invention is background with civilian, flexible thin-film solar cell component has flexible good, quality is light, the intensity height, environmental resistance is good, encapsulation back battery component gravimetric specific power advantages of higher, application is not limited, be fit to be applied in the space stratospheric airship, high-altitude vehicle, and the portable mobile charging equipment in ground, sunlamp comprise sun street lamp, sun garden lamp, sun Lawn lamp, wind and light complementary road lamp, sun Landscape Lamp, sun Assembled lamp, sun underground lamp and sun elevation type High-Pole Lamp.
The present invention selects for use well behaved material to realize that the flexible solar cell assembly can work under extreme environment, comprise snow, thunder, hail and hot operate as normal in summer.
Description of drawings
Fig. 1 is the circuit diagram of flexible photovoltaic integration power-supply system of the present invention.
Fig. 2 is the outside schematic diagram of the power-supply controller of electric of flexible photovoltaic integration power-supply system of the present invention.
Fig. 3 is the application schematic diagram one of flexible photovoltaic integration power-supply system of the present invention.
Fig. 4 is the application schematic diagram two of flexible photovoltaic integration power-supply system of the present invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is further described.
Flexible photovoltaic integration power-supply system provided by the invention makes as the accumulator cell assembly of chemical power source 2 with as the flexible solar cell assembly of physical power source 1 and forms integrated power-supply system by sun-generated electric power single channel controller.Circuit diagram is referring to shown in Figure 1, PWM(Pulse Width Modulation among the figure) be pulse width modulating technology, FUSE is fuse, and Q1, Q2, Q3 are triode, and TVS is that transient voltage suppresses diode.
As the preferred amorphous silicon laminated inline thin film solar battery module of the flexible thin-film solar cell component of physical power source 2, it is formed and mainly comprises flexible back plate EVA, flexible substrate material PI, back electrode Ag and ZnO, α-Si and α-Si lamination (puts in order and is N layer, intrinsic layer, P layer, the N layer, intrinsic layer, the P layer ...), nesa coating ITO, grid line Ag slurry, the glue of the zinc-plated copper strips of extraction electrode and encapsulated layer siloxane series cooperates diluent.
As the preferred lead-acid battery component of the accumulator cell assembly of chemical power source 2, it mainly comprises the 12V of two parallel connections, the 24Ah lead acid accumulator.
This system also comprises sun-generated electric power single channel o controller, and as the power-supply controller of electric 3 of regulation and control physical power source 1 and chemical power source 2, model is V-ST10.Referring to shown in Figure 2, the outside of power-supply controller of electric 3 is provided with solar cell indicator light 31, battery condition indicator light 32, load indicator light 33, LED demonstration 34, control button 35 and binding post 36, wherein S represents to connect solar cell, and B represents to connect storage battery, and L represents to connect load.Whole power-supply system satisfies power supply and energy storage and the demand for control of normal garden Landscape Lamp.
Flexible photovoltaic integration power-supply system provided by the invention selects for use two lead acid accumulator parallel components as chemical power source 2, and batteries to store energy afterwards in parallel is 24 Ah, and voltage is 12V, and voltage is when normal range (NR), and status indicator lamp is green Chang Liang; Being full of the back status indicator lamp is that green is dodged slowly; Status indicator lamp becomes orange-yellow to a certain extent the time when cell voltage reduces; When battery tension continued to be reduced to the overdischarge pressure, status indicator lamp became redness, and controller will cut out output automatically this moment, remind the timely electric energy supplement of user.In the time of in cell voltage returns to normal range of operation, will export automatically and open action, status indicator lamp recovers to become green.
To be that sun street lamp power supply, road lamp power supply is example by this system, when load is opened, load indicator light Chang Liang.If sun street lamp electric current surpassed the rated current of 1.25 times of controllers in the time of 60 seconds, or the rated current that has surpassed 1.5 times of controllers with the street lamp electric current very much is in the time of 5 seconds, and indicator light is that redness is dodged slowly, the expression overload, and controller will cut out output.When short trouble appears in sun street lamp or sun street lamp one side, controller will cut out output, indicator light quickflashing immediately.This sun street lamp load system can continue under the weather of haze continuous firing 7.2 hours.
The accessible performance index of this system are as follows: steady operation for a long time between-10～80 ℃, and guarantee flexible well, the intensity height, 60 ℃ of the surface temperature ﹤ of long-time steady operation solar battery array are after gravimetric specific power can reach the 360W/kg(cell package).After the environmental simulation test, after flexible thin-film solar cell component adopted integral type to mount mode and use the street lamp substrate compound very much, under the wind speed ﹥ 10m/s situation, skew did not take place with turnover and can work continually and steadily in the position.
Flexible photovoltaic integration power-supply system provided by the invention, utilize flexible thin-film solar cell component as the physical power source 1 of charging, accumulator cell assembly as the chemical power source 2 of energy storage and sun-generated electric power single channel o controller as regulation and control physical power source 1 and chemical power source 2 intelligent electric source controllers 3.This system develops with the background that is applied as of civil area, the environmental resistance excellence, main application fields comprises calculator and the clock and watch that need not change battery, the solar cell of installing on the roof, can be as the transparent solar cell of window-glass, be installed in the MW class solar photovoltaic generation system in farmland and the running water water treatment plant, in beacon, the remote mountains and the solar cell in the desert, with the solar vehicle of solar energy power generating walking, be the traffic safety highway of contributing or the solar cell of the inside, airport as luminescent marking.It uses schematic diagram referring to Fig. 3 and shown in Figure 4.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (9)
1. a flexible photovoltaic integration power-supply system is characterized in that, this power-supply system comprises physical power source (1), chemical power source (2) and power-supply controller of electric (3);
Described physical power source (1) is electric energy with conversion of solar energy; Adopt flexible thin-film solar cell component, comprise the amorphous silicon film solar battery assembly, microcrystalline silicon solar cell assembly, amorphous silicon germanium thin film solar module, and any one or a few stacked solar cell, cascade solar cell assembly of forming wherein, or CIGS thin film solar cell module;
Described chemical power source (2) can be realized the storage of electric energy, adopts accumulator cell assembly, comprises the nickel-cadmium cell assembly, Ni-MH battery assembly, lithium ion battery assembly, alkali manganese rechargeable battery assembly or lead-acid battery component;
Described power-supply controller of electric (3) is sun-generated electric power single channel o controller, is connected with physical power source (1), chemical power source (2) and load respectively.
2. flexible photovoltaic integration power-supply system as claimed in claim 1 is characterized in that, described sun-generated electric power single channel o controller is the single-chip microcomputer intelligent controller of realizing storage battery is carried out solar recharging by pulse width modulation.
3. flexible photovoltaic integration power-supply system as claimed in claim 1 is characterized in that, described flexible thin-film solar cell component connects as physical power source (1) by serial or parallel connection, and described accumulator cell assembly is connected in parallel as chemical power source (2).
4. flexible photovoltaic integration power-supply system as claimed in claim 3 is characterized in that, described flexible thin-film solar cell is deposited on metal forming flexible substrate or the polyester film flexible substrate.
5. flexible photovoltaic integration power-supply system as claimed in claim 4 is characterized in that, described flexible thin-film solar cell is amorphous silicon laminated inline thin film solar cell.
6. flexible photovoltaic integration power-supply system as claimed in claim 5 is characterized in that, described amorphous silicon laminated inline thin film solar cell comprises flexible back plate from the bottom to top, flexible substrate, back reflector, amorphous silicon laminated, nesa coating, grid line, extraction electrode and encapsulated layer.
7. flexible photovoltaic integration power-supply system as claimed in claim 6 is characterized in that, described amorphous silicon laminated the deposition by the plasma enhanced chemical vapor deposition method forms; Described back reflector and nesa coating form by the magnetron sputtering growth; Described extraction electrode as intermediate medium, and adopts flexibility to be welded with easy side's property conductive silver glued membrane.
8. flexible photovoltaic integration power-supply system as claimed in claim 6 is characterized in that, described nesa coating adopts transparent indium tin oxide coating conducting film; Described back reflector adopts Ag and ZnO; Described grid line adopts the silver slurry; Described extraction electrode adopts zinc-plated copper strips.
9. flexible photovoltaic integration power-supply system as claimed in claim 6 is characterized in that, described flexible back plate is ethylene-vinyl acetate copolymer; Described flexible substrate is the polyimide polyester film; Described encapsulated layer adopts siloxane series glue to cooperate the homologous series diluent.
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| WO2015161991A1 (en) | 2014-04-22 | 2015-10-29 | Krug Olivier Panya | Electrical energy storage module for device for converting photovoltaic energy into electrical energy |
| US11081684B2 (en) | 2017-05-24 | 2021-08-03 | Honda Motor Co., Ltd. | Production of carbon nanotube modified battery electrode powders via single step dispersion |
| US11121358B2 (en) | 2017-09-15 | 2021-09-14 | Honda Motor Co., Ltd. | Method for embedding a battery tab attachment in a self-standing electrode without current collector or binder |
| US11201318B2 (en) | 2017-09-15 | 2021-12-14 | Honda Motor Co., Ltd. | Method for battery tab attachment to a self-standing electrode |
| CN113889544A (en) * | 2021-06-08 | 2022-01-04 | 浙江绿城筑乐美城市发展有限公司 | Flexible solar photovoltaic panel |
| US11325833B2 (en) | 2019-03-04 | 2022-05-10 | Honda Motor Co., Ltd. | Composite yarn and method of making a carbon nanotube composite yarn |
| US11352258B2 (en) | 2019-03-04 | 2022-06-07 | Honda Motor Co., Ltd. | Multifunctional conductive wire and method of making |
| US11374214B2 (en) | 2017-07-31 | 2022-06-28 | Honda Motor Co., Ltd. | Self standing electrodes and methods for making thereof |
| US11383213B2 (en) | 2016-03-15 | 2022-07-12 | Honda Motor Co., Ltd. | System and method of producing a composite product |
| US11535517B2 (en) | 2019-01-24 | 2022-12-27 | Honda Motor Co., Ltd. | Method of making self-standing electrodes supported by carbon nanostructured filaments |
| US11539042B2 (en) | 2019-07-19 | 2022-12-27 | Honda Motor Co., Ltd. | Flexible packaging with embedded electrode and method of making |
| US11569490B2 (en) | 2017-07-31 | 2023-01-31 | Honda Motor Co., Ltd. | Continuous production of binder and collector-less self-standing electrodes for Li-ion batteries by using carbon nanotubes as an additive |
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| WO2015161991A1 (en) | 2014-04-22 | 2015-10-29 | Krug Olivier Panya | Electrical energy storage module for device for converting photovoltaic energy into electrical energy |
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| US11535517B2 (en) | 2019-01-24 | 2022-12-27 | Honda Motor Co., Ltd. | Method of making self-standing electrodes supported by carbon nanostructured filaments |
| US11352258B2 (en) | 2019-03-04 | 2022-06-07 | Honda Motor Co., Ltd. | Multifunctional conductive wire and method of making |
| US11325833B2 (en) | 2019-03-04 | 2022-05-10 | Honda Motor Co., Ltd. | Composite yarn and method of making a carbon nanotube composite yarn |
| US11539042B2 (en) | 2019-07-19 | 2022-12-27 | Honda Motor Co., Ltd. | Flexible packaging with embedded electrode and method of making |
| CN113889544A (en) * | 2021-06-08 | 2022-01-04 | 浙江绿城筑乐美城市发展有限公司 | Flexible solar photovoltaic panel |
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