Pb free Aluminum Paste For monocrystalline silicon Solar Cells

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Quick Details

Model Number:

YG141114

Packaging & Delivery

Packaging Detail:	25kg/drum
Delivery Detail:	5 days after payment arrived

Specifications

AL8866 is a series of aluminum pastes developed for use as the back electrode on single or polycrystalline silicon solar cells.

Technical Data Sheet

Product description

AL8866 is a series of aluminum pastes developed for use as the back electrode on single or polycrystalline silicon solar cells. This low bow aluminum paste is specially designed to form p+ doped layer when fired on a p-doped silicon (<200 microns) photovoltaic devices. This paste has been optimized to eliminate Al bead formation during the firing process.

Typical properties
Solids (%)	≥ 75%
Viscosity (Pa.s) (NDJ-79, 25)	23-35
Emulsion thickness	≤ 25μm
Screen mesh	200-280
Dried thickness	35±5μm
Fired thickness	25±5μm
Resistivity (milliohms/square)	≤ 30
Bowing	125×125mm Monocrystalline silicon≤ 1mm (200 micron wafer) 125×125mm Monocrystalline silicon 1±0.25mm (180 micron wafer)

All properties are target values and are not meant to represent product specifications.

Q:What is the impact of solar cell installations on local economies?: Solar cell installations can have a positive impact on local economies. Firstly, they create job opportunities in the installation, manufacturing, and maintenance sectors. This leads to a boost in employment rates and income generation within the community. Additionally, solar energy reduces reliance on imported fossil fuels, resulting in cost savings for both households and businesses. As a result, more money remains in the local economy, stimulating growth and supporting local businesses. Moreover, solar installations can attract investments and businesses looking to align with sustainable practices, further fueling economic development. Overall, solar cell installations contribute to job creation, cost savings, and increased investment, making a significant positive impact on local economies.

Q:What is a thin-film solar cell?: A thin-film solar cell is a type of solar cell that is made by depositing one or more thin layers of photovoltaic material onto a substrate, such as glass or plastic. These cells are lightweight, flexible, and can be produced using less material, making them more cost-effective than traditional silicon-based solar cells. However, they typically have a lower efficiency compared to silicon-based cells.

Q:What is the maximum efficiency possible for a solar cell?: The maximum efficiency possible for a solar cell is currently around 46%.

Q:What is the role of surge suppressors in solar cell systems?: The role of surge suppressors in solar cell systems is to protect the system from voltage surges or spikes that can potentially damage the solar panels, inverters, or other components. These surge suppressors help regulate and stabilize the electrical flow by diverting excess voltage to ground, ensuring the smooth operation and longevity of the solar cell system.

Q:How do solar cells handle fluctuating sunlight intensity?: Solar cells are designed to handle fluctuating sunlight intensity by using a variety of techniques. One common approach is the use of maximum power point tracking (MPPT) algorithms, which constantly adjust the operating voltage and current to maximize the power output of the solar cell. Additionally, solar cells are often connected in series or parallel to create a larger array, which helps to average out the fluctuations in sunlight intensity. This combination of MPPT algorithms and array configuration enables solar cells to efficiently adapt and generate electricity even in varying light conditions.

Q:What is the impact of temperature fluctuations on solar cell efficiency?: Temperature fluctuations can have a significant impact on solar cell efficiency. As temperature increases, the efficiency of solar cells tends to decrease. This is because higher temperatures can cause an increase in the resistance of the materials used in solar cells, leading to a decrease in the overall power output. Additionally, temperature fluctuations can also lead to thermal stress and expansion, which can potentially damage the solar cells and further reduce their efficiency. Therefore, it is important to consider and manage temperature fluctuations to optimize the performance of solar panels.

Q:What is a multi-junction solar cell?: A multi-junction solar cell is a type of solar cell that consists of multiple layers of different semiconductor materials, each designed to efficiently capture a different portion of the solar spectrum. This allows the cell to convert a wider range of sunlight into electricity, resulting in higher energy conversion efficiency compared to traditional solar cells.

Q:How do solar cells perform in areas with high humidity and saltwater exposure?: Solar cells can still perform well in areas with high humidity and saltwater exposure, although their efficiency may be slightly reduced. The moisture in the air and the saltwater can create a thin layer of corrosion on the surface of the solar cells, which can hinder their performance over time. However, advancements in solar cell technology, such as improved coatings and materials, have made them more resilient to these conditions. Regular cleaning and maintenance can also help mitigate the effects of humidity and saltwater exposure on solar cell performance.

Q:How do solar cells affect the electric grid?: Solar cells can have a positive impact on the electric grid by generating clean and renewable energy. When connected to the grid, they can feed excess electricity back into the system, reducing the demand for power from traditional sources. This helps to decrease reliance on fossil fuels and lowers greenhouse gas emissions. However, the intermittency of solar power can pose challenges for grid operators in managing fluctuations in supply and demand.

Q:Can solar cells be used in powering e-bikes?: Yes, solar cells can be used to power e-bikes. Solar panels can be mounted on the bike's frame or incorporated into accessories like panniers or baskets. These panels convert sunlight into electricity, which charges the bike's battery, providing a renewable and sustainable source of power.

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