Recently, the all-perovskite laminated battery module developed by the Renshuo Lighting team has been certified by Japan's JET authoritatively, with a steady-state efficiency of 24.50, ranking first in the world.
It is understood that steady-state efficiency refers to the efficiency obtained by perovskite cells/components under stable conditions of continuous operation, which can offset the charge accumulation caused by the hysteresis effect and is closer to the actual working efficiency. . Therefore, steady-state efficiency is recognized in the field of perovskite solar cells as the actual efficiency of the cell/module.
What is the concept of 24.5? It is understood that the current record for N-type module efficiency is only 24.24. It is the Vertex supreme high-efficiency N-type monocrystalline silicon module developed by Trina Solar. It has been tested and certified by the authoritative third party TüV Nord Germany, and the module window efficiency has reached 24.24.
Therefore, the current steady-state efficiency of perovskite battery modules is higher than that of N-type modules commonly used in the market, and its industrialization potential is great. Renshuo Solar, the record creator, is also promoting the development and industrialization of perovskite lamination technology. It has signed an industrial implementation project agreement with Changshu Economic Development Zone and is expected to complete the construction of a 150MW mass production line in the third quarter of 2023. .
In addition, in August this year, Renshuo Solar completed hundreds of millions of yuan in Pre-A round financing, led by three banks of capital, Zhongke Chuangxing, Su Gaoxin Venture Capital, Gimpo Intelligent, Well-known institutions such as Xianfeng Evergreen, Yunqi Capital, and China Property Fund also participated in the investment.
As for photovoltaic cells/modules, photovoltaic technology routes are now in full bloom, with perovskite, TOPCon, HJT, PERC, IBC and other technology routes competing for excellence. The key points of technological innovation and iteration are nothing more than efficiency and cost. As the most preferred perovskite cell/module for cost reduction and efficiency improvement, its efficiency far exceeds that of traditional crystalline silicon cells (the theoretical efficiency limit of perovskite single-layer cells can be The conversion efficiency of the full-perovskite double-junction stack can reach 33; the conversion efficiency of the full-perovskite double-junction stack can reach 45; the conversion efficiency of the full-perovskite triple-junction stack can reach 50), which has attracted much attention from the market.
From a policy perspective, in August this year, nine departments including the Ministry of Science and Technology issued the "Technology-Supported Carbon Peak and Carbon Neutrality Implementation Plan (2022-2030)." The "Plan" proposes to develop technologies such as efficient and stable perovskite batteries. Research new photoelectric conversion principles that can break through the theoretical efficiency limit of single-junction photovoltaic cells, and research new photovoltaic cell technologies based on new materials and new structures such as high-efficiency thin-film cells and stacked cells.
Tianfeng Securities predicts that the subsequent commercialization of perovskite batteries is expected to accelerate. At present, the market share of thin-film batteries in my country is still low, and the application field is mainly BIPV curtain wall. With the continuous iteration of perovskite battery technology, its initial investment cost per W may have shown its advantages. If the stability can be improved in the future, It is expected to become a new generation of photovoltaic technology.
As for cost, the perovskite cell production process takes only 45 minutes, and the components can be completed in only a single factory. The investment in perovskite cell production capacity is only half of that of crystalline silicon. In addition, perovskite raw materials are not sensitive to impurities, are easy to obtain, and use low amounts, so they have obvious cost advantages.
In the process of accelerating perovskite industrialization, which manufacturers are expected to be the first to reap the expansion dividends? Equipment and material manufacturers were named by many organizations.
Galaxy Securities recommends paying attention to equipment investment opportunities in the process of perovskite scale-up. Specifically, the preparation process of perovskite cells is simpler than that of crystalline silicon cells, involving coating, magnetron, evaporation, laser and other equipment. The specifics vary slightly depending on the materials of each layer. It is recommended to pay attention to PVD/RPD equipment with large value, laser equipment manufacturers and evaporation equipment with strong deterministic demand and increasing penetration rate of mainstream cell links.
Zhongtai, Tianfeng and other institutions are optimistic about TCO glass in the material link. It is understood that TCO glass is the core material of perovskite batteries. The agency expects that as the commercialization of subsequent perovskite batteries accelerates, the demand for TCO glass will increase significantly.