The application of Sodium Sulphate in the photovoltaic glass industry

QYJSSA/July 20,2023

In the context of carbon neutrality, many countries are committed to the development of renewable energy such as photovoltaics, and photovoltaic glass is an important part of the photovoltaic industry.

The use of photovoltaic glass  

Photovoltaic glass is an encapsulation material used in photovoltaic modules，its function is:

①Encapsulates and protects the crystalline silicon wafers, the core component in a PV module.

②Maximize the transmission of sunlight to the battery wafers, through which light energy is converted into electricity.

Figure 1 Packaging structure of photovoltaic modules

Market size of the photovoltaic glass industry

According to Global Industry Analysts, the global solar photovoltaic glass market will reach a market size of $44.7 billion by 2027, at a CAGR of 28.8%.

By 2022, China's photovoltaic glass production accounted for about 90% of global production, and photovoltaic glass exports reached 2.253 million tons.

Figure 2 Application of photovoltaic curtain wall

Application of Sodium Sulphate in photovoltaic glass industry

Photovoltaic glass belongs to sodium calcium silicate material type, in addition to the main raw materials also need to add essential sodium sulphate as a clarifier, used to exclude the air bubbles in the glass, improve the transmittance of the glass.

At the same time, sodium sulphate introduces a small amount of sodium oxide, which can play the role of fluxing, so that the glass is easy to mold. The quality control of chemicals such as sodium sulphate and sodium pyroantimonate in the production of photovoltaic glass focuses on the selection of suppliers.

QINGYIJIANG Sodium Sulphate Co., Ltd. is the first green enterprise in China to realize clean and environmentally friendly production of sodium sulphate. With more than 20 years of professional sodium sulphate production experience, the quality of products is leading in the world. Choosing clean and environmentally friendly sodium as raw material can provide us with more low-carbon and energy-efficient power for our life.