CN220873599U - Solar cell module with energy storage capability - Google Patents
Solar cell module with energy storage capability Download PDFInfo
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- CN220873599U CN220873599U CN202322599601.6U CN202322599601U CN220873599U CN 220873599 U CN220873599 U CN 220873599U CN 202322599601 U CN202322599601 U CN 202322599601U CN 220873599 U CN220873599 U CN 220873599U
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- energy storage
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- solar cell
- storage unit
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- 238000004146 energy storage Methods 0.000 title claims abstract description 56
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 230000005611 electricity Effects 0.000 claims abstract description 9
- 239000003990 capacitor Substances 0.000 claims description 15
- 239000002313 adhesive film Substances 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 8
- 239000003575 carbonaceous material Substances 0.000 claims description 5
- 239000010408 film Substances 0.000 claims description 5
- 229910044991 metal oxide Inorganic materials 0.000 claims description 5
- 150000004706 metal oxides Chemical class 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 239000010409 thin film Substances 0.000 claims description 4
- MARUHZGHZWCEQU-UHFFFAOYSA-N 5-phenyl-2h-tetrazole Chemical compound C1=CC=CC=C1C1=NNN=N1 MARUHZGHZWCEQU-UHFFFAOYSA-N 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004966 Carbon aerogel Substances 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 239000007772 electrode material Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 2
- 238000010248 power generation Methods 0.000 abstract description 8
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 6
- 238000005286 illumination Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920006124 polyolefin elastomer Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a solar battery module with energy storage capacity, which comprises a light-transmitting substrate, a solar battery unit, an energy storage unit and a power management unit, wherein the light-transmitting substrate is arranged on the solar battery unit; the light-transmitting substrate, the solar cell unit and the energy storage unit are sequentially laminated and packaged into a whole to form a plate-shaped structure or a film structure; the power management unit is connected with the solar battery unit and the energy storage unit through a wire harness and is used for storing electricity generated by the solar battery unit in the energy storage unit and supplying power to the outside. The solar battery module is suitable for a distributed small-scale household solar power generation device, is favorable for realizing the optimization of power utilization efficiency, and ensures the power utilization safety to a greater extent.
Description
Technical Field
The present disclosure relates to solar cells, and particularly to a solar cell module with energy storage capability.
Background
At present, a solar photovoltaic cell can only perform photoelectric conversion in the daytime under the condition that the illumination condition reaches a certain condition, and cannot generate electricity at night or under the condition that the illumination intensity is insufficient, and the solar photovoltaic cell must store energy through timely consumption, residual electricity surfing or a self-built energy storage power station so as to conveniently perform electricity utilization at night or under the condition that the illumination intensity is insufficient.
In either way, at present, certain disadvantages exist:
1. For solar power generation users, electricity can not be sold completely in the electricity utilization peak period, and benefit maximization can not be realized.
2. The investment of the self-built energy storage power station is not small, and the safety management problem of the energy storage power station exists. The energy storage power station in the middle scale needs a certain professional degree of personnel to manage, and the management cost is increased.
Disclosure of utility model
In order to solve the problems, the utility model provides a solar battery module with energy storage capability, which integrates power generation, energy storage and power management, simplifies the product structure and system composition, can enhance the management flexibility and reduces the management cost.
The technical proposal is as follows:
The utility model provides a solar module with energy storage ability which characterized in that: the solar energy storage device comprises a light-transmitting substrate, a solar cell unit, an energy storage unit and a power management unit;
The solar battery unit is of a plate-shaped structure or a film structure;
the energy storage unit is of a laminated structure or a thin film structure;
the light-transmitting substrate, the solar cell unit and the energy storage unit are sequentially laminated and packaged into a whole to form a plate-shaped structure or a film structure;
The power management unit is connected with the solar battery unit and the energy storage unit through a wire harness and is used for storing electricity generated by the solar battery unit in the energy storage unit and supplying power to the outside.
Further, the solar battery module comprises two layers of light-transmitting substrates, two layers of solar battery units and one layer of energy storage unit, wherein the energy storage unit is clamped between the two layers of solar battery units, and the two layers of light-transmitting substrates are positioned on the outermost layer.
Further, the energy storage unit is a super capacitor.
Further, the electrode material of the super capacitor comprises a carbon-based material and a metal oxide;
the carbon-based material comprises activated carbon, carbon nanotubes, carbon aerogel and carbon fibers;
The metal oxide comprises NiOX, mnO2 and V2O5.
Further, the dielectric material of the super capacitor comprises SiO 2 and silicate.
Further, the light-transmitting substrate is ultra-white rolled glass.
Further, the packaging adhesive films between the light-transmitting substrate and the solar cell unit and between the solar cell unit and the energy storage unit comprise POE adhesive films, EVA adhesive films and EPE adhesive films.
Further, the solar cell unit comprises one of a silicon solar cell, a heterojunction solar cell, a perovskite solar cell and a cadmium telluride solar cell.
Further, the power management unit comprises a charge and discharge management unit and a direct current inversion unit, and the voltage output by the direct current inversion unit is the mains voltage.
The beneficial effects are that:
The solar battery module is suitable for a distributed small-scale household solar power generation device, is favorable for realizing the optimization of power utilization efficiency, and ensures the power utilization safety to a greater extent.
Drawings
Fig. 1 is a block diagram of a solar cell module according to the present utility model.
Detailed Description
For further illustration of the various embodiments, the utility model is provided with the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments and together with the description, serve to explain the principles of the embodiments. With reference to these matters, one of ordinary skill in the art will understand other possible embodiments and advantages of the present utility model. The components in the figures are not drawn to scale and like reference numerals are generally used to designate like components.
The utility model will now be further described with reference to the drawings and detailed description.
Example 1
As shown in fig. 1, the utility model provides an example of a solar battery module with energy storage capability, and an energy storage battery and a power management unit are integrated on the solar battery module, so that the energy storage and grid connection of the solar battery module are simplified, and the follow-up solar power generation management is facilitated.
In this embodiment, the solar cell module is a bifacial solar cell module, and includes light-transmitting substrates 1a, 1b, solar cells 2a, 2b, a plate-shaped energy storage unit 4 and a power management unit 5.
Solar cells 2a and 2b are attached to the back surfaces of the glasses 1a and 1b, respectively, and generate electric power by receiving light transmitted through the glasses 1a and 1 b.
The energy storage unit 4 has a plate-like structure or a thin film structure, and is encapsulated between the solar cells 2a, 2 b.
Adopt two-sided solar module's advantage:
The double-sided power generation can be realized, direct light and scattered light are fully utilized, and the power generation efficiency of unit area is improved;
The double-sided light-transmitting substrate is used as a structural support piece, so that the structural strength of the module is ensured, a shell at the bottom of the package is not required to be arranged, and the composition of the module is simplified.
In this embodiment, the transparent substrate is made of ultrawhite rolled glass. The ultra-white rolled glass can absorb the radiant heat of solar energy to the maximum extent and greatly improve the photoelectric conversion efficiency of the solar cell. The glass can resist the radiation of solar ultraviolet rays, the light transmittance is not reduced, the service life of the cover plate glass can be prolonged more effectively, the glass has strong alkali resistance, mildew resistance and ageing resistance, and the cover plate glass of the solar cell module is more favorable for protecting the underlying silicon crystal plate from being damaged by the outside and is durable.
The space between the solar cells 2a, 2b and the energy storage unit 4 is filled with POE glue film. POE is polyolefin elastomer, and is a new generation of adhesive film material. As a thermoplastic elastomer, it has the dual advantages of plastic and rubber, and has excellent mechanical properties such as high elasticity, high strength, high elongation and the like, good low-temperature properties, excellent water blocking property and PID (potential induced degradation) resistance.
In a specific application, the packaging adhesive film of the solar cell module can also adopt adhesive film materials such as EVA adhesive film, EPE adhesive film and the like.
In the present embodiment, the solar cells 2a, 2b may be structurally solar cells of a plate-like structure (bulk structure) or a thin film structure.
In the present embodiment, the solar cells 2a and 2b include, but are not limited to, silicon solar cells such as single-crystal and polycrystalline silicon solar cells, heterojunction solar cells such as perovskite solar cells and cadmium telluride solar cells.
In the present embodiment, the energy storage unit 4 is preferably a super capacitor. Super capacitor has a huge advantage that: long service life, and can maintain the service life of millions of charging cycles. Since the number of charge and discharge cycles of the capacitor is many (millions or more, compared to most commercial rechargeable batteries 200-1000), the capacitor can be continuously used for the life of most devices including solar cell modules, which makes the devices more environmentally friendly.
Supercapacitors typically comprise four components, a double electrode, an electrolyte, a current collector, and a separator. The super capacitor is an electric double layer structure formed by active carbon porous electrodes and electrolyte to obtain super-large capacitance. In the super capacitor, active carbon materials are adopted to manufacture porous electrodes, electrolyte solution is filled between two opposite porous carbon electrodes, when voltage is applied to two ends of the porous electrodes, positive and negative electrons are respectively gathered on the opposite porous electrodes, and positive and negative ions in the electrolyte solution are respectively gathered on interfaces opposite to the positive and negative polar plates due to the action of an electric field, so that a double current collecting layer is formed.
The energy storage of the super capacitor is positively correlated with the surface area of the capacitor electrode and the dielectric constant of the medium. Materials with a large dielectric constant, such as SiO 2, silicates, can be selected as much as possible within reasonable limits in order to increase the energy storage. And electrode materials with large specific surface area are selected in a reasonable range, such as: activated carbon, carbon nanotubes, carbon aerogels, carbon fibers, and the like, polymers, metal oxides (including NiOX, mnO2, V2O 5), and the like.
In a specific application, the integrated super capacity may be selected as desired. Typically the super capacitor is selected in the range of 0.05-10000F.
In this embodiment, the power management unit includes, but is not limited to, overcharging and overdischarging management of the solar cell, peak-to-peak discharge management, control protection for reverse current or reverse power supply, and the like.
In this embodiment, a junction box 5 is disposed at the edge of the solar battery module, and the junction box 5 connects the solar batteries 2a and 2b with the energy storage unit 4 through cables 6 and 7, and is led out and connected with the outside through a cable 8 to perform inversion grid connection or load connection. The battery management unit can be embedded with an inverter or externally connected with the inverter, converts direct current in the energy storage unit into alternating current, performs output control, and controls the energy storage unit to externally perform power transmission or electricity selling.
The utility model has the advantages that:
The solar battery module is suitable for a distributed small-scale household solar power generation device, is favorable for realizing the optimization of power utilization efficiency, and ensures the power utilization safety to a greater extent.
While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (9)
1. The utility model provides a solar module with energy storage ability which characterized in that: the solar energy storage device comprises a light-transmitting substrate, a solar cell unit, an energy storage unit and a power management unit;
The solar battery unit is of a plate-shaped structure or a film structure;
the energy storage unit is of a laminated structure or a thin film structure;
the light-transmitting substrate, the solar cell unit and the energy storage unit are sequentially laminated and packaged into a whole to form a plate-shaped structure or a film structure;
The power management unit is connected with the solar battery unit and the energy storage unit through a wire harness and is used for storing electricity generated by the solar battery unit in the energy storage unit and supplying power to the outside.
2. The solar module with energy storage capability of claim 1, wherein: the solar battery module comprises two layers of light-transmitting substrates, two layers of solar battery units and one layer of energy storage unit, wherein the energy storage unit is clamped between the two layers of solar battery units, and the two layers of light-transmitting substrates are positioned on the outermost layer.
3. The solar module with energy storage capability of claim 1, wherein: the energy storage unit is a super capacitor.
4. The solar cell module with energy storage capability of claim 3, wherein: the electrode material of the super capacitor comprises a carbon-based material and a metal oxide;
the carbon-based material comprises activated carbon, carbon nanotubes, carbon aerogel and carbon fibers;
The metal oxide comprises NiOX, mnO2 and V2O5.
5. The solar cell module with energy storage capability of claim 3, wherein: the medium of the super capacitor comprises SiO 2 and silicate.
6. The solar module with energy storage capability of claim 1, wherein: the transparent substrate is ultra-white rolled glass.
7. The solar module with energy storage capability of claim 1, wherein: and the packaging adhesive films between the light-transmitting substrate and the solar cell unit and between the solar cell unit and the energy storage unit comprise POE adhesive films, EVA adhesive films and EPE adhesive films.
8. The solar module with energy storage capability of claim 1, wherein: the solar cell unit comprises a silicon solar cell, a heterojunction solar cell, a perovskite solar cell and a cadmium telluride solar cell.
9. The solar module with energy storage capability of claim 1, wherein: the power supply management unit comprises a charge and discharge management unit and a direct current inversion unit, and the voltage output by the direct current inversion unit is the mains voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322599601.6U CN220873599U (en) | 2023-09-25 | 2023-09-25 | Solar cell module with energy storage capability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322599601.6U CN220873599U (en) | 2023-09-25 | 2023-09-25 | Solar cell module with energy storage capability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220873599U true CN220873599U (en) | 2024-04-30 |
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ID=90808608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322599601.6U Active CN220873599U (en) | 2023-09-25 | 2023-09-25 | Solar cell module with energy storage capability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220873599U (en) |
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2023
- 2023-09-25 CN CN202322599601.6U patent/CN220873599U/en active Active
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