What is a thin film photovoltaic solar cell

Introduction What is thin film photovoltaic solar battery Thin film solar battery Thin film solar battery is light, thin, flexible and easy to carry. The traditional silicon crystal battery is made of silicon crystal.

What is a thin film photovoltaic solar cell

Thin film solar battery

The thin film solar battery is light and thin in thickness. It is foldable and easy to carry, because the traditional silicon crystal battery is made of silicon crystal, the main part. The battery is fragile and prone to invisible cracks. Most of them have a layer of tempered glass as protection, which leads to high weight, inconvenience to transport, poor earthquake resistance, high cost and more or less low efficiency. The cells overcome the above shortcomings, but they do not have as high a conversion efficiency as thin-film solar cells. Improving battery conversion efficiency is currently the main research direction in the solar energy technology community. Large-scale production, still fully mature, still carries some risks, but it is called for.bound to occupy an important place in the field of solar energy. Its development prospects are very promising.

Thin film solar cells include: copper, indium and selenium thin film solar cells, silicon crystal solar cells

The development of the battery industry thin-film solar panels

At present, large-scale industrialization can be achieved. There are three main types of thin-film solar cells produced on a large scale: silicon-based thin-film solar cells, copper indium gallium selenide (CIGS) thin-film solar cells, and copper indium gallium selenide (CIGS) thin-film solar cells. thin film solar panels with cadmium telluride. cells (CdTe). Although thin-film solar cells have appeared for a long time, due to problems such as low photoelectric conversion efficiency and high attenuation rate (tlight-induced decay), they have not attracted sufficient attention from the industry in recent years, and their market share is very low. With the continuous advancement of its technology, the efficiency of photoelectric conversion has been rapidly improved. It is now around 30 to 40% higher than 2 years ago. Although there is still a big gap compared to crystalline silicon cells, it uses fewer materials and. has a simple process, low energy consumption and certain cost advantages, and is increasingly accepted by the industry. Therefore, the thin film solar cell industry has developed rapidly over the past three years.

Thin-film photovoltaic cells are deposited on glass, plastic, stainless steel and other low-cost substrates to form very thin photosensitive materials to achieve udoes photoelectric conversion. They mainly include thin film cells of silicon (a-Si, a-Si/c-Si

etc.), cadmium telluride (CdTe), copper, indium and gallium selenide (CIGS).

The packaged thin film solar cell itself has no pollution, but there is pollution during the refining of production materials. For example, there is pollution during the refining of silicon materials.

In addition, certain thin film battery materials are themselves polluting. For example, cadmium can cause severe liver and kidney damage, pneumonia, pulmonary edema and death in industrial toxicology. Therefore, FirstSolar, the world's largest cadmium telluride thin film battery company, has implemented a recovery and recycling plan for prepaid photovoltaic modules due to the cadmium pollution problem. In other words, any customer who hasbuy a solar module FirstSolar can use it in the module. end-of-life recycling request, First

Solar will cover the costs of recovery and recycling of these products.

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