8results about How to "Improve anti-PID performance" patented technology

The invention relates to the technical field of packaging adhesive films, in particular to a salt mist resistant packaging adhesive film, a preparation method thereof and a photovoltaic module. The salt mist-resistant packaging adhesive film comprises a light-transmitting adhesive film layer, a polyamide layer and an acid-resistant layer, the light-transmitting adhesive film layer comprises 92-98 parts of EAA resin, 2-8 parts of amino resin, 0.4-0.8 part of a first initiator, 0.6-1 part of a first acrylate monomer and 0.5-11 parts of a first auxiliary agent; the polyamide layer is mainly formed by reacting amino resin in the light-transmitting adhesive film layer with trimesoyl chloride; the anti-acid layer comprises the following components in parts by weight: 100 parts of EVA resin, 0.4-0.8 part of a second initiator, 0.6-1 part of a second acrylate monomer, 0.1-1 part of metal hydroxide, 0.1-1 part of metal phosphate and 0.5-11 parts of a second auxiliary agent. The salt mist resistant packaging adhesive film has excellent water permeation resistance and corrosion resistance, can improve the PID resistance of a component, and is especially suitable for offshore photovoltaic.

The application relates to a heterojunction laminated solar cell and a preparation method thereof, which comprises a heterojunction cell layer and a perovskite cell layer, and a connecting layer is arranged between the heterojunction cell layer and the perovskite cell layer; the work function of each connecting sublayer gradually increases; the connecting layer structure in the laminated cell is improved; the work function of the connecting layer is regulated; the work function of the connecting layer is adjusted to adapt to the current extraction of the cell structures on both sides; the process of forming the connecting layer can also be used for forming an overall barrier layer; the overall barrier layer can prevent ions and water vapor in the packaging material from diffusing into the cell structure, and the PID resistance is improved.

The application discloses a zirconium-magnesium-aluminum material and a preparation method and application thereof. x Mg y Al z (PO4) m ; wherein, x+z=1.5, y=1, and m=(4x+2y+3z) / 3. The zirconium-magnesium-aluminum material can improve the PID resistance of EVA resin, and further improve the service life of a photovoltaic module.

The present invention provides an ethylene / α-olefin copolymer for solar cell encapsulation film and its application. The ethylene / α-olefin copolymer provided by the present invention is used in the solar cell encapsulation film, which can take into account the faster vulcanization reaction speed and good anti-PID performance of the solar cell encapsulation film. The ethylene / α-olefin copolymer for solar cell encapsulation film satisfies the following conditions (a) to (c): (a) under the angular frequency condition of 0.1-500 rad / s, the characteristic relaxation time at 190°C is 200.0-500.0 milliseconds; (b) the weight average molecular weight is 20000-200000 g / mol, and the density is 0.850 g / cc to 0.910 g / cc; (c) the molecular weight distribution is 1.5-3.

The utility model discloses a photovoltaic panel and photovoltaic module are applied to photovoltaic technical field, and photovoltaic panel includes the front glass, cell piece and back glass of laminated arrangement, and the front glass includes: front glass body and first front film layer, and first front film layer is located the side of front glass body close to cell piece, and back glass includes: back glass body and first back film layer, and first back film layer is located the side of back glass body close to cell piece, and first front film layer and / or first back film layer include laminatedly arranged first barrier layer and second barrier layer, and first barrier layer is close to cell piece setting, and the refractive index of first barrier layer is less than the refractive index of second barrier layer. The photovoltaic panel provided by the utility model has the function of increasing the penetration for the light entering the inside of photovoltaic panel, improves the utilization of light energy, has the good blocking effect to the metal ions such as sodium ion, calcium ion from glass, and improves the PID resistance of the photovoltaic panel.

This application relates to the field of photovoltaic encapsulation film technology, specifically disclosing a method for melt blending modification of POE film. The method includes the following steps: S1, premixing POE resin with a silane coupling agent, unsaturated monomers, functional ligands, and an initiator; S2, melt blending the premix to obtain a grafted activated melt; S3, injecting a silicon-based compound and a titanium-based compound into the grafted activated melt to obtain a nano-reinforced melt; S4, adding graphene and carbon nanotubes to the nano-reinforced melt and kneading to obtain a conductive reinforced melt; S5, injecting a rare earth chloride solution into the conductive reinforced melt to obtain a functionalized melt; S6, adding a solid acid catalyst to the functionalized melt and mixing and granulating. This production method can be used to prepare photovoltaic module encapsulation films and high-end electronic device encapsulation materials, and it has the advantages of improving the interfacial adhesion stability and long-term aging resistance of the film under humid and hot environments.

The present application relates to the technical field of photovoltaic packaging materials, and discloses a white photovoltaic packaging adhesive film, a preparation process thereof and a photovoltaic module. The white photovoltaic packaging adhesive film has a multilayer composite structure, including a corrosion-resistant layer facing a photovoltaic cell, a reflective layer and an adhesive layer facing a photovoltaic backboard. The corrosion-resistant layer includes a low-polarity POE resin and / or an EVA resin with a VA content of less than or equal to 10%. The reflective layer includes a specific amount of EVA resin with a VA content of 15-25%, white pigment and insulating reinforced nano filler. The adhesive layer includes EVA resin with a VA content of 30-40% and composite silane coupling agent (including vinyl silane and isocyanate silane compounded at a mass ratio of 1-5:1) prepared at a weight ratio of 100:0.1-2. The white photovoltaic packaging adhesive film has the advantages of high reflectivity, high body resistance, strong peeling strength and peeling strength after hygrothermal aging, excellent corrosion resistance and PID resistance, and no white overflow.

The application provides a functional photovoltaic adhesive film, a preparation method thereof and a photovoltaic module. The raw material formula of the functional photovoltaic adhesive film comprises a base resin, a light stabilizer, a main crosslinking agent, an auxiliary crosslinking agent, a coupling agent and a functional additive. The functional additive is rhodamine-polyether-silane. The formula of the functional photovoltaic adhesive film is simple, and the functional additive has multiple functions. The functional additive can stably endow the photovoltaic module with excellent ultraviolet aging resistance for a long time while improving the high PID resistance of the module, so that the module has excellent power generation and service life.