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The combination of photovoltaic power generation and energy storage battery part

May 18, 2022

    Photovoltaic storage integration, as the name suggests, is the combination of photovoltaic power generation and energy storage battery parts. Compared with the original photovoltaic system, the addition of the energy storage system can store the redundant power of photovoltaic power generation during the day, and then discharge it through the energy storage system at night to reduce the influence of factors such as the duration of sunshine, and smooth the operation. The output of photovoltaic power is not only conducive to improving the utility rate and penetration rate of photovoltaics, promoting the rapid opening of the space for the energy storage business model on the new energy side, but also helping to reduce the power consumption of the power grid during the night peak period and maintain the stability of the entire power system. .

    According to different application types, solar energy storage systems can be divided into photovoltaic off-grid energy storage systems, photovoltaic grid-connected energy storage systems, and photovoltaic off-grid energy storage systems.

Photovoltaic off-grid energy storage system

    Photovoltaic off-grid energy storage system converts solar energy into electrical energy to supply loads through photovoltaic modules, and stores excess energy in the energy storage system. The existence of the energy storage system improves the photovoltaic utilization rate. This type of system does not depend on the power grid and operates independently, forming a closed internal loop of the system, so it is mostly used in areas such as communication base stations and islands that are far away from the power grid and require self-sufficient power generation. Since the power generation cost of photovoltaic off-grid energy storage system is lower than the cost of fuel power generation, the application of this type of system is relatively common at present.

Photovoltaic grid-connected energy storage system

    The photovoltaic on-grid and off-grid energy storage system is an organic combination of the above two, but in any case, the solar energy storage system basically includes photovoltaic modules, batteries, inverters and other components. As its essential bonding and sealing material, sealant needs to provide excellent bonding and sealing solutions for special aluminum materials, tempered glass, TPT/TPE composite backing materials, junction box PPO, etc. in components. At the same time, since the designed service life of solar photovoltaic systems is generally more than 20 years, good corrosion resistance, weathering resistance, and high and low temperature resistance are also one of the indicators to measure the sealant for photovoltaic modules.

 

BAIYUN Photovoltaic Module Bonding and Sealing Solutions

Main use: It can be used for bonding and sealing of photovoltaic module frame and junction box:

Product features: excellent adhesive properties, good adhesion to aluminum, tempered glass, composite backing, junction box PPO materials; moisture resistance, shock resistance, corrosion resistance, yellowing resistance, low water vapor transmission rate.

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BAIYUN Double Glass Module Structural Bonding and Sealing Solution

Main application: used for bonding and sealing of photovoltaic double-glass modules and photovoltaic curtain wall structures;

Product features: It has excellent structural bonding performance and weathering resistance, and has excellent high and low temperature resistance.

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BAIYUN PV module junction box, inverter potting solution

Main use: used for junction box, inverter potting protection;

Product features: It has a wide range of bonding substrates, and has the characteristics of fast curing speed, easy flow, yellowing resistance, waterproof and moisture-proof, etc. It has excellent thermal conductivity and insulation performance, and its flame retardant performance reaches UL94V-0 level, which is in line with EU RoHS environmental protection standards.

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BAIYUN Photovoltaic Energy Storage Cell Structural Bonding Solution

Main application: used for power battery cell structure bonding, aluminum honeycomb panel structure bonding.

Product features: two-component polyurethane material, excellent bonding performance, suitable for bonding and fixing of various substrates, with fast curing speed, good thixotropy, high strength, waterproof and moisture-proof, etc. excellent electrical insulation, flame retardant performance V-0 grade, in line with RoHS and REACH environmental protection standards.

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    At present, the "dual carbon" plan has penetrated into all walks of life, and the medium and long-term goal of "carbon peaking and carbon neutrality" will surely accelerate the leap-forward development of renewable energy. High green energy is one of the most efficient and effective aids to realize the " dual carbon " plan. As a leading company in the sealant industry, BAIYUN has always adhered to the corporate mission of "Dedicated to provide the best products for people ", and has continuously provided more perfect system sealant solutions for optical storage integration and other fields.