CN103579387A - Diamond comb-shaped thin film solar panel - Google Patents
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- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
- H10F19/80—Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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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
一种菱形窝状薄膜太阳能电池板，包括电器功能盒和薄膜太阳能电池层，一透明的基板呈波纹状设置在菱形连体的支撑架上，薄膜太阳能电池层覆盖于基板的两侧，所述支撑架的底部设有底板，底板上设有薄膜太阳能电池层，底板的四周设有边框，顶部一透光板覆盖在边框上；以此增大薄膜太阳能电池层吸收顶部光射产生的光伏效应和波纹状基板的菱形窝状立体的吸光面积，吸光转化率大于39%。本发明利用三维立体空间的工艺结构，有效增加了薄膜太阳能电池的吸光面积，提高了光能转化效率；本发明便于组装、维修与整体更换，而且还能够实现局部更换，使用起来非常方便，具有较高的商业推广价值。
A diamond-shaped nest-shaped thin-film solar cell panel, including an electrical function box and a thin-film solar cell layer, a transparent substrate is arranged in a corrugated shape on a diamond-shaped support frame, and the thin-film solar cell layer covers both sides of the substrate. The bottom of the support frame is provided with a base plate, the base plate is provided with a thin-film solar cell layer, the base plate is surrounded by a frame, and a light-transmitting plate covers the frame on the top; in this way, the photovoltaic effect generated by the thin-film solar cell layer absorbing the top light is increased. And the rhombic dimple-shaped three-dimensional light absorption area of the corrugated substrate, the light absorption conversion rate is greater than 39%. The invention utilizes a three-dimensional space process structure to effectively increase the light-absorbing area of thin-film solar cells and improve the light energy conversion efficiency; the invention is convenient for assembly, maintenance and overall replacement, and can also realize partial replacement, which is very convenient to use and has the advantages of High commercial promotion value.
Description
技术领域 technical field
本发明涉及一种光电转换器件，尤其涉及一种太阳能电池板，具体的说是一种菱形窝状薄膜太阳能电池板。 The invention relates to a photoelectric conversion device, in particular to a solar battery panel, specifically a diamond-shaped dimple-shaped thin-film solar battery panel.
背景技术 Background technique
随着能源在世界范围内的紧张和短缺，人们对开发新能源的重视程度日益提高，尤其对太阳能转化为电能的太阳能电池的开发利用日趋重视。太阳能以其无污染、无地域限制和全天候利用等独特的优势而受到广泛关注和青睐，市场对大面积、轻薄且生产成本低的新型太阳能电池的需求日益增加。在新型太阳能电池中，目前以商品化的晶体硅太阳能电池的光电转化效率最高，但受材料纯度和制备工艺的限制，成本较高，很难再提高转化效率或降低成本。薄膜太阳能电池只需几微米的厚度就能实现光电转换，是降低成本和提高光子循环的理想材料，薄膜太阳能电池的开发已受到世界范围的广泛关注，成为太阳能电池发展的新趋势和新热点。 With the tension and shortage of energy in the world, people pay more and more attention to the development of new energy, especially the development and utilization of solar cells that convert solar energy into electrical energy. Solar energy has been widely concerned and favored for its unique advantages such as no pollution, no geographical restrictions, and all-weather utilization. The market demand for new solar cells with large area, light weight and low production cost is increasing. Among the new solar cells, the currently commercialized crystalline silicon solar cells have the highest photoelectric conversion efficiency, but due to the limitation of material purity and preparation process, the cost is high, and it is difficult to improve the conversion efficiency or reduce the cost. Thin-film solar cells can achieve photoelectric conversion with a thickness of only a few microns, which is an ideal material for reducing costs and improving photon circulation. The development of thin-film solar cells has attracted worldwide attention and has become a new trend and hot spot in the development of solar cells.
薄膜太阳能电池可以选择采用价格低廉的玻璃、塑料、陶瓷、石墨及金属片等不同材料当基板来制造，形成可产生电压的薄膜，一般厚度仅需数微米，从而在同一受光面积之下，薄膜太阳能电池较晶硅太阳能电池能够大幅减少原料的使用量，厚度可低于晶硅太阳能电池90％以上；但目前薄膜太阳能电池的转化效率仅有13%，不及晶硅太阳能电池17%的转化效率，薄膜太阳能电池的制造业也受到了生产过剩、市场需求过低等不平衡现象的冲击，产品不能量化，使薄膜太阳能光伏产业的发展受阻，但薄膜太阳能电池与晶硅太阳能电池相比，薄膜太阳能电池在弱光情况下的发电性能较佳，及具有较高的累积发电量。 Thin-film solar cells can be made of cheap glass, plastic, ceramics, graphite and metal sheets and other materials as substrates to form a thin film that can generate voltage. Generally, the thickness is only a few microns, so that under the same light receiving area, the thin film Compared with crystalline silicon solar cells, solar cells can greatly reduce the use of raw materials, and the thickness can be lower than 90% of crystalline silicon solar cells; however, the conversion efficiency of thin-film solar cells is only 13%, which is lower than 17% of crystalline silicon solar cells. , the manufacturing industry of thin-film solar cells has also been impacted by imbalances such as overproduction and low market demand. The products cannot be quantified, which hinders the development of the thin-film solar photovoltaic industry. However, compared with crystalline silicon solar cells, thin-film solar cells have Solar cells have better power generation performance under low light conditions, and have a higher cumulative power generation capacity.
目前公知的太阳能组件，不论是晶硅平板太阳能电池，还是薄膜太阳能电池，都是在单元二维平面间吸收可见光所产生光伏效应获取电压的，平面状电池板在接收光线时通常会造成两种光线浪费：一是平面反射效应，会使大量光线经过反射照射到太阳能电池板外面；二是折射，即当光线照射到透明或半透明状的太阳能电池板上后，大量的光线会通过折射逃离，极大地降低了光线的利用率，是制约太阳能发电效率提高的重要因素，且传统的太阳能电池板不利于更换及维修，难以推广使用。 At present, the known solar modules, whether it is a crystalline silicon flat solar cell or a thin film solar cell, all absorb visible light between the two-dimensional planes of the unit to generate a photovoltaic effect to obtain voltage. When a planar solar panel receives light, two types of Light waste: one is the plane reflection effect, which will cause a large amount of light to be reflected and irradiated outside the solar panel; the other is refraction, that is, when the light hits a transparent or translucent solar panel, a large amount of light will escape through refraction , which greatly reduces the utilization rate of light, is an important factor restricting the improvement of solar power generation efficiency, and traditional solar panels are not conducive to replacement and maintenance, and are difficult to popularize and use.
发明内容 Contents of the invention
本发明所要解决的技术问题是克服现有技术中平面状电池板在接收光线时造成的光线浪费，及薄膜太阳能转化效率低，进而造成薄膜太阳能光伏产业的发展受阻等现象，提供一种菱形窝状薄膜太阳能电池板，可避免电池板在接收光线时的光线浪费，提高其对光线的利用率。 The technical problem to be solved by the present invention is to overcome the waste of light caused by the planar solar panels in the prior art when receiving light, and the low conversion efficiency of thin film solar energy, which further hinders the development of the thin film solar photovoltaic industry, and provides a diamond-shaped nest Shaped thin-film solar panels can avoid the waste of light when the panel receives light and improve its utilization rate of light.
本发明为解决上述问题所采用的技术方案为：一种菱形窝状薄膜太阳能电池板，包括电器功能盒和薄膜太阳能电池层，一透明的基板呈波纹状设置在菱形连体的支撑架上，薄膜太阳能电池层覆盖于基板的两侧，所述支撑架的底部设有底板，底板上设有薄膜太阳能电池层，底板的四周设有边框，顶部一透光板覆盖在边框上；以此增大薄膜太阳能电池层吸收顶部光射产生的光伏效应和波纹状基板的菱形窝状立体的吸光面积，吸光转化率大于39%。 The technical solution adopted by the present invention to solve the above problems is: a diamond-shaped dimple-shaped thin-film solar cell panel, including an electrical function box and a thin-film solar cell layer, a transparent substrate is arranged in a corrugated shape on a rhombus-shaped supporting frame, The thin-film solar cell layer is covered on both sides of the substrate, the bottom of the support frame is provided with a bottom plate, the bottom plate is provided with a thin-film solar cell layer, a frame is arranged around the bottom plate, and a light-transmitting plate covers the frame on the top; thereby increasing The large thin-film solar cell layer absorbs the photovoltaic effect generated by the top light radiation and the diamond-shaped nest-shaped three-dimensional light-absorbing area of the corrugated substrate, and the light-absorbing conversion rate is greater than 39%.
本发明中，所述的支撑架设置为透明的形式；支撑架通过透明胶分别与底板、透光板和基板压合连结。 In the present invention, the support frame is set in a transparent form; the support frame is respectively pressed and connected with the bottom plate, the light-transmitting plate and the base plate through transparent glue.
本发明中，所述的电器功能盒设置在边框上，电器功能盒是使不同阵列组合的菱形窝状薄膜太阳能电池板的内联电路输出电源的接线端子盒。在实际应用中，该电器功能盒可通过专用端子连接导线，便于根据不同规格的工程设计要求阵列组合菱形窝状薄膜太阳能电池板。 In the present invention, the electrical functional box is arranged on the frame, and the electrical functional box is a terminal box for outputting power from the inline circuit of the diamond-shaped dimple-shaped thin-film solar cell panels combined in different arrays. In practical application, the electrical function box can be connected with wires through special terminals, which is convenient for array combination of diamond-shaped dimple-shaped thin-film solar panels according to engineering design requirements of different specifications.
本发明中，所述透明的基板，呈波纹状可增强薄膜太阳能电池层的立体受力强度和立体吸光面积，以此增大可见光产生的光伏效应。 In the present invention, the corrugated shape of the transparent substrate can enhance the three-dimensional force strength and three-dimensional light absorption area of the thin film solar cell layer, thereby increasing the photovoltaic effect generated by visible light.
本发明中，所述基板上的薄膜太阳能电池层从基板顶端延伸至支撑架的底部侧棱上沿。这样的设置形式，能够保证基板上薄膜太阳能电池层的高度低于支撑架的高度，使得支撑架上未被薄膜太阳能电池层覆盖的区域形成条状缺口，进入菱形窝状薄膜太阳能电池板内的光线一部分会从条状缺口处照射到底板上，经底板利用后反射至菱形连体状立体设置的支撑架的侧面，发生多次反射，提高了光能的利用率。 In the present invention, the thin film solar cell layer on the substrate extends from the top of the substrate to the upper edge of the bottom edge of the supporting frame. Such a setting form can ensure that the height of the thin-film solar cell layer on the substrate is lower than that of the support frame, so that the area on the support frame not covered by the thin-film solar cell layer forms a strip-shaped gap, and enters the diamond-shaped nest-shaped thin-film solar cell panel. Part of the light will irradiate the bottom plate from the strip-shaped gap, and after being utilized by the bottom plate, it will be reflected to the side of the rhombus-shaped three-dimensionally arranged support frame, and multiple reflections will occur, which improves the utilization rate of light energy.
本发明中的透光板，可采用轻质高强度透明塑料制成。一方面，该透光板能够防止因尘埃及尘土的堆积、异物碰击所造成的电池板发电性能下降；另一方面，该透光板可在一定程度上避免红外线对薄膜太阳能电池层的照射，防止太阳能电池板温度升高，从而提高太阳能电池板的光电转化率。 The light-transmitting plate in the present invention can be made of light-weight high-strength transparent plastic. On the one hand, the light-transmitting plate can prevent the degradation of the power generation performance of the battery panel caused by the accumulation of dust and dust, and the impact of foreign objects; , to prevent the temperature of the solar panel from rising, thereby increasing the photoelectric conversion rate of the solar panel.
本发明的菱形窝状薄膜太阳能电池板，薄膜太阳能电池除了平面特征之外，还具有可挠性的特征，可挠性的特征使得薄膜太阳能电池可被制作成非平面结构，在实际使用中，使得薄膜太阳能电池可以与建筑物结合，甚至是变成建筑体的一部份，可广泛用于大、中、小型光伏发电站，建筑一体化太阳能发电，新能源电动汽车太阳能发电，房顶、阳台、窗户、墙体幕墙太阳能发电，以及厂房太阳能发电屋顶等领域。 In the diamond-shaped dimple-shaped thin-film solar cell panel of the present invention, the thin-film solar cell also has a flexible feature in addition to the planar feature, and the flexible feature allows the thin-film solar cell to be made into a non-planar structure. In actual use, Thin-film solar cells can be combined with buildings, or even become part of buildings, and can be widely used in large, medium and small photovoltaic power stations, building-integrated solar power generation, new energy electric vehicle solar power generation, roof, Solar power generation for balconies, windows, walls and curtain walls, and solar power generation roofs for factory buildings.
有益效果： Beneficial effect:
（1）本发明采用基板与支撑架分体组合设置的方式组合成菱形窝状薄膜太阳能电池板，利用三维立体空间的工艺结构，一方面有效增加了薄膜太阳能电池的吸光面积，在同等的单元面积上充分有效地利用立体空间资源，经测定，可使薄膜太阳能的吸光面积增加4-6倍，其能源的转化率能提高至大于39%；另一方面，提高了太阳能电池板的抗压强度和硬度，使其整体强度得到了大幅度的提升； (1) In the present invention, the substrate and the supporting frame are combined separately to form a diamond-shaped nest-shaped thin-film solar cell panel. Using the three-dimensional space process structure, on the one hand, the light-absorbing area of the thin-film solar cell is effectively increased. In the same unit In terms of area, the three-dimensional space resources are fully and effectively used. It has been determined that the light-absorbing area of thin-film solar energy can be increased by 4-6 times, and the energy conversion rate can be increased to more than 39%. On the other hand, the pressure resistance of solar panels has been improved. Strength and hardness, so that its overall strength has been greatly improved;
（2）本发明在基板的两侧以及底板的上表面上均设有薄膜太阳能电池层，使得照射到支撑架上的各个侧面上的光线能够发生多次反射，进一步提高太阳能电池对入射光的吸收，从而提高光能转化效率； (2) In the present invention, thin-film solar cell layers are provided on both sides of the substrate and the upper surface of the bottom plate, so that the light irradiated on each side of the support frame can be reflected multiple times, further improving the solar cell’s response to incident light. absorption, thereby improving the efficiency of light energy conversion;
（3）本发明可以减少使用材料，制造程序上也较现有的太阳能电池简单，同时也拥有整合型的组合形式，可省下了现有技术中独立的太阳能电池模块所需的固定及内部连接的成本； (3) The present invention can reduce the use of materials, and the manufacturing process is simpler than the existing solar cells. It also has an integrated combination form, which can save the fixing and internal components required by the independent solar cell modules in the prior art. the cost of the connection;
（4）本发明由于采用了基板与支撑架分体组合设置的方式，菱形窝状薄膜太阳能电池板便于组装、维修与整体更换，而且还能够实现局部更换，使用方便，具有较高的商业推广价值。 (4) Since the present invention adopts the method of separate combination of the substrate and the support frame, the diamond-shaped dimple-shaped thin-film solar panel is convenient for assembly, maintenance and overall replacement, and can also realize partial replacement, which is convenient to use and has high commercial promotion value.
附图说明 Description of drawings
图1为菱形窝状薄膜太阳能电池板的平面效果图； Fig. 1 is the plane rendering of a rhombus dimple-shaped thin-film solar cell panel;
图2为图1中A的放大示意图； Fig. 2 is the enlarged schematic view of A in Fig. 1;
图3为菱形窝状薄膜太阳能电池板的分解示意图； Fig. 3 is the exploded schematic view of the rhombic dimple-shaped thin-film solar cell panel;
图4为本发明中支撑架的局部立体图； Fig. 4 is a partial perspective view of a support frame in the present invention;
图5为本发明中基板、支撑架及薄膜太阳能电池层组合后的局部立体图； 5 is a partial perspective view of the combination of the substrate, the support frame and the thin film solar cell layer in the present invention;
图6为图5的俯视图。 FIG. 6 is a top view of FIG. 5 .
附图标记：1、电器功能盒，2、基板，3、支撑架，4、边框，5、薄膜太阳能电池层，6、底板，7、透光板。 Reference signs: 1. Electrical function box, 2. Substrate, 3. Support frame, 4. Frame, 5. Thin-film solar cell layer, 6. Base plate, 7. Transparent plate.
具体实施方式 Detailed ways
以下结合附图及实施例进一步阐述本发明，对依据本发明提供的菱形窝状薄膜太阳能电池板作具体的说明。 The present invention will be further described below in conjunction with the accompanying drawings and embodiments, and the diamond-shaped dimple-shaped thin-film solar cell panel provided according to the present invention will be specifically described.
如图1、图2和图3所示，一种菱形窝状薄膜太阳能电池板，包括电器功能盒1和薄膜太阳能电池层，如图5和图6所示，该菱形窝状薄膜太阳能电池板还包括透明的基板2及菱形连体状立体设置的支撑架3，透明的基板2呈波纹状设置在菱形连体的支撑架3上，薄膜太阳能电池层覆盖于基板2的两侧，所述支撑架3的底部设有底板6，底板6上设有薄膜太阳能电池层，底板6的四周设有边框4，顶部一透光板7覆盖在边框4上；本发明的上述结构，能够增大薄膜太阳能电池层吸收顶部光射产生的光伏效应和波纹状基板2的菱形窝状立体的吸光面积，吸光转化率大于39%。
As shown in Fig. 1, Fig. 2 and Fig. 3, a kind of rhombic dimple-shaped thin-film solar cell panel comprises
如图4所示，为本发明中支撑架3的结构示意图。进一步的，该支撑架3的材质为透明材料。在实际的应用时，可将基板2上的薄膜太阳能电池层从基板2顶端延伸至支撑架3的底部侧棱上沿，能够保证基板2上薄膜太阳能电池层的高度低于支撑架3的高度，使得支撑架3上未被薄膜太阳能电池层覆盖的区域形成条状缺口，进入菱形窝状薄膜太阳能电池板内的光线，一部分会从条状缺口处照射到底板6上，经底板6利用后反射至菱形连体状立体设置的支撑架3的侧面，能够提高电池板对太阳光谱的吸收率，从而提高光电转化率。
As shown in FIG. 4 , it is a structural schematic diagram of the
本发明中，支撑架3通过透明胶分别与底板6、透光板7和基板2压合连结，基体2为透明的板体，而且板体呈连续波纹状均匀有序地排列在一条线面上，其两侧面均通过胶体粘合有薄膜太阳能电池层，基板2可增强薄膜太阳能电池层的立体受力强度和立体吸光面积，在同等的单位面积上充分利用立体空间资源，以此增大可见光产生的光伏效应。
In the present invention, the
本发明中，该电器功能盒1设置在其中一个边框上，电器功能盒1是使不同阵列组合的菱形窝状薄膜太阳能电池板的内联电路输出电源的接线端子盒，便于根据不同规格的工程设计要求阵列组合菱形窝状薄膜太阳能电池板。
In the present invention, the
本发明在使用时，将薄膜太阳能电池层覆盖于基板2的两侧，通过透明胶把基板2压合在菱形连体状立体设置的支撑架3的外侧面，将菱形连体状立体设置的支撑架3的上下两个端面上均涂设透明胶，将其下端面放置于底板6的上表面，然后通过压合的方式再在支撑架3的的上端面上设置透光板7，使底板6、支撑架3及透光板7结合成一体，然后在其四周用边框通过封装胶封装，安装好电器功能盒1，即可成为菱形窝状薄膜太阳能电池板，该电池板具有质量轻、坚固、不易变形及吸光面积大等特点。所述的底板6包括衬板以及设置在衬板上表面的薄膜太阳能电池层，衬板上设置的薄膜太阳能电池层可以吸收从透光板7光射入菱形窝状支撑架内的可见光，产生光伏效应。
When the present invention is in use, the thin-film solar cell layer is covered on both sides of the
本发明中，透明的基板2与支撑架3能够组合成具有四棱柱孔的窝状的结构单元，如图1、图2和图4所示，支撑架3是由多个四棱柱结构单元组成的一体结构的连体状架体，每个四棱柱结构单元中相对设置的两个侧棱上均设有双连体，用以将两个四棱柱结构单元连接在一起，所述支撑架3的各侧面均为镂空设置，两两支撑架之间，通过相邻两个四棱柱结构单元之间的凹凸结构对接在一起，而且相邻两个四棱柱结构单元之间固定有与基板2，基板2呈与相邻两个四棱柱结构单元之间凹凸结构相对应的波纹状，薄膜太阳能电池层覆盖于基板2的两侧。当有光线照射时，光线透过顶部的透光板7进入四棱柱孔内，然后照射到四棱柱孔的侧面与底面，经过侧面与底面的反射后会发生多重反射，即经一次反射后的光线会再次照射到四棱柱孔的侧面或底面，基于此产生的反射光线会经过多重的反射由薄膜太阳能电池板充分吸收，最后将其转化成电能，与传统的太阳能电池板相比，本发明能显著提高太阳光的利用率，提升太阳能电池板的发电效率，经测定，本发明菱形窝状薄膜太阳能电池板与传统的太阳能电池板相比，其能源的转化率能提高3倍以上，蜂窝状薄膜太阳能电池板的吸光转化率大于39%。
In the present invention, the
在传统的太阳能电池利用中，一般采用晶硅太阳能电池，但受晶硅价格以及繁琐工艺的限制，其成本较高，开发太阳能电池的两个关键问题是提高效率和降低成本，而电池的薄膜化在一定程度上能够有效地降低成本。本发明采用基板2与支撑架3分体组合设置的方式组合成菱形窝状薄膜太阳能电池板，利用三维立体空间的工艺结构，相对于一维或二维的阵列设置，能够有效地增加薄膜太阳能电池的吸光面积，在同等的单元面积上充分有效地利用立体空间资源，经测定，可使薄膜太阳能的吸光面积增加4-6倍，菱形窝状薄膜太阳能电池板的光电转化率大于39%。其中，基板2与支撑架3分体组合设置的方式，薄膜太阳能电池层覆盖于基板2的两侧，使该电池板具有透明及易于集成的特点，成本低，易于大面积加工制作，满足开发太阳能电池的两个关键问题，具有较高的商业推广价值。
In the traditional solar cell utilization, crystalline silicon solar cells are generally used, but limited by the price of crystalline silicon and cumbersome processes, the cost is relatively high. The two key issues in the development of solar cells are to improve efficiency and reduce costs, and the thin film of the cell To a certain extent, it can effectively reduce the cost. In the present invention, the combination of the
虽然对本发明的描述是结合以上具体实施例和附图进行的，但是，熟悉本技术领域的人员能够根据上述的内容进行许多替换、修改和变化，是显而易见的。因此，所有这样的替代、改进和变化都包括在权利要求的精神和范围内。 Although the description of the present invention is made in conjunction with the above specific embodiments and accompanying drawings, it is obvious that those skilled in the art can make many substitutions, modifications and changes based on the above contents. Accordingly, all such alternatives, modifications and changes are included within the spirit and scope of the claims. the
Claims (6)
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| CN109148629A (en) * | 2018-09-06 | 2019-01-04 | 兰州交通大学 | A kind of stereochemical structure solar battery |
| WO2023194672A1 (en) * | 2022-04-06 | 2023-10-12 | Mathonnet Jean Luc | Device for converting solar energy into electrical energy |
| CN118248760A (en) * | 2024-01-17 | 2024-06-25 | 西南民族大学 | A solar panel structure with high sunlight utilization and space utilization |
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| CN118248760A (en) * | 2024-01-17 | 2024-06-25 | 西南民族大学 | A solar panel structure with high sunlight utilization and space utilization |
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