Key Findings
On August 18, 2026, Zhongshan Guangji Lvneng New Materials Technology Co., Ltd. (Guangji Lvneng) in China officially commenced operation of its production line for crystalline silicon-perovskite tandem thin-film cells. This launch marks a significant milestone for the company in the industrialization of next-generation, high-efficiency photovoltaic (PV) technology. It is expected to accelerate the transition of advanced tandem cell technology from the research and development phase to full-scale mass production and commercialization.
Technical Details
Guangji Lvneng’s new production line specializes in manufacturing thin-film cells featuring a tandem structure of crystalline silicon and perovskite. Tandem cells achieve power conversion efficiencies beyond the theoretical limits of single-material solar cells by stacking two different solar cell materials with complementary absorption spectra. This production line is believed to incorporate the following technical aspects:
- High-Efficiency Tandem Cell Manufacturing: High photoelectric conversion efficiency tandem structures are realized by precisely depositing perovskite thin films onto existing silicon substrates.
- Thin-Film Technology: By forming the perovskite layer as a thin film, material consumption is reduced, while also potentially allowing for flexibility and lightweight design.
- Mass Production Processes: Optimized deposition techniques, patterning, and interconnection processes are presumed to be implemented to scale up laboratory-level processes to industrial scale.
While specific production capacities or target efficiency figures are not explicitly stated in the article, this line is positioned as a crucial step towards practical application, given its objective of “industrialization of high-efficiency PV technology” and “transition from R&D to mass production.”
Background & Industry Context
China is a global leader in the photovoltaic sector and is actively engaged in renewable energy technology innovation. As existing crystalline silicon technology matures, tandem solar cells are gaining attention as the next frontier for higher efficiency. The operation of such an advanced production line by a company like Guangji Lvneng demonstrates China’s commitment to playing a leading role in the commercialization of next-generation solar cell technology. This is an essential move for further improving the cost-effectiveness of solar power and accelerating the adoption of renewable energy.
Strategic Significance & Outlook
Guangji Lvneng’s tandem thin-film cell production line is expected to accelerate the commercialization of perovskite-silicon tandem solar cells, suggesting that they will become a realistic market option in the coming years. If produced at scale, this technology will yield higher energy output and lower electricity generation costs, further enhancing the global competitiveness of solar power. Particularly, by enabling integration with existing solar power infrastructure and expanding application possibilities to new installation sites, it is expected to significantly contribute to the increased share of solar power in the global energy mix.
Source: https://news.smm.cn/news/102928811
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