Photovoltaic backplate is with flat PEVA membrane

• Main Author: WANG JIAJIN
• Format: Patent
• Language: Chinese; English
• Published: 04.01.2017
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; SEMICONDUCTOR DEVICES; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

The utility model discloses a photovoltaic backplate is with flat PEVA membrane, including EVA rete and PE rete, the PE rete is located the outside of EVA rete, the surface of PE rete is equipped with the antioxygen layer, be equipped with UV absorbed layer, titanium dioxide layer and UV light stabilizing layer between antioxygen layer and the PE rete. This photovoltaic backplate is with flat PEVA membrane reasonable in design has fine oxytolerant function, and economic environmental protection can be arranged in the E layer of KPE photovoltaic backplate structure, plays backplate and the function that EVA bondd when the battery encapsulates, compares traditional PE membrane, its and EVA, and its bond property with PU glue is better, and the weatherability is better, is fit for extensively promoting. 本实用新型公开了种光伏背板用平PEVA膜，包括EVA膜层和PE膜层，PE膜层位于EVA膜层的外侧，所述PE膜层的表面设有抗氧层，所述抗氧层与PE膜层之间设有UV吸收层、二氧化钛层和UV光稳定层。该种光伏背板用平PEVA膜设计合理，具有很好的耐氧化功能，经济环保，能够用于KPE光伏背板结构中的E层，在电池封装时起到背板与EVA粘结的功能，相比传统的PE膜，其与EVA，其与PU胶水的粘结性能更好，耐候性更好，适合广泛推广。