On February 4, Liu Yiyang, executive Secretary-General of China Photovoltaic Industry Association , said that at present, space photovoltaic technology is still in the early stage of exploration and verification, and it is too early to determine a clear technical direction.
Liu Yiyang said that the concept of space photovoltaic is indeed a "fire" in the capital market and the technology circle is also a pot, A-share photovoltaic plate, concept stocks even pulled up.
He emphasized that no matter how the technology route evolves to the ground, it can not be separated from a mature, replicable and efficient manufacturing capability and long-term reliability verification system.
According to the analysis of China Photovoltaic Industry Association, gallium arsenide (GaAs) batteries are still the mainstream choice for commercial space and space stations because of their high conversion efficiency and excellent radiation resistance. Although they are expensive, they have been verified in orbit for a long time and have high reliability.
In contrast, the heterojunction (MJT) perovskite technology, which is popular in the capital market, is more based on the "cost reduction logic" proposed by individual financial institutions. The actual product is still in the laboratory or in the early stage of verification, and is still far from large-scale commercialization.
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