Cost-Performance Analysis of Perovskite Solar Modules
Liyuan Han a, Molang Cai a
a National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki, 305, Japan
Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics
Proceedings of International Conference Asia-Pacific Hybrid and Organic Photovoltaics (AP-HOPV17)
Yokohama-shi, Japan, 2017 February 2nd - 4th
Organizers: Tsutomu Miyasaka and Iván Mora-Seró
Oral, Molang Cai, presentation 134
Publication date: 7th November 2016

The perovskite solar cells (PSCs)are considered as one of promising candidates for next generation solar cellsbecause the energy conversion efficiency is over 20%. Although PSCs is expected to be ultra-low cost devices due to utilization of cheap materials and simple fabrication process, the comprehensive manufacturing cost is still unclear. We designed two representative module structures for PSCs as low materials cost module and a high precision high efficiency module. The costs of the modules were estimated based on an annual capacity of 100 MW and the reported solar cell performances of the two kinds of cell structures. We found that the module costs for both structures could be much lower than those of other solar PV technologies. The results of the sensitivity analysis indicated that an increase of module efficiency could significantly reduce module cost. The fabrication of high-efficiency modules through the high precision processes was the most promising approach for further reducing the cost. The LCOE of perovskite solar cells was also very sensitive to module efficiency and can be expected to be lower than that of traditional energies if the module efficiency and lifetimes can exceed 12% and 15 years, respectively. To achieve these targets, more efforts should be made to improve the lifetime and efficiency of perovskite photovoltaic devices rather than to identify cheaper materials and processes. 

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