button cell battery cr1620.Photovoltaic back film technology has new breakthroughs

　　As the system voltage in the photovoltaic industry increases, the insulation performance requirements of the backsheet have become a bottleneck for product cost reduction and efficiency improvement. How to improve the insulation of the product based on the existing product thickness and structure has become a hot topic in industry research. Huitian New Materials The technology center gathered the core R&D team and after several months of research, they successfully developed the photovoltaic H film and realized the organic integration of technology and products. The H film is a film material used in the inner layer of photovoltaic backsheets. It has six major functional characteristics: high reflection (85%), high weather resistance (DH4000, UV300kwh/㎡), high insulation (TI≥90℃), and high adhesion. (≥100N/cm), low water permeability (≤1.0g/㎡/d), 120kwh/㎡ UV humidification, etc. The KPH backsheet produced using H film is one of the few products currently on the market that can pass the industry's most stringent test of 120kwh/㎡ UV humidification. At the same time, this product can also increase module efficiency by 0.6% and prevent the occurrence of snail marks, providing a perfect solution for photovoltaic systems. It provides a strong guarantee for stable power generation for 25 years and contributes to the grid parity of the photovoltaic industry. Compared with similar products, in addition to many advantages in technical performance, this H film can effectively reduce unit production costs and increase product gross profit margin by more than 5%; this project will bring considerable use value to customers every year, and at the same time provide benefits to the company. Create value-added performance worth tens of millions of yuan.

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