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Progress in Research and Mass Production of Large-Scale Tandem Thin Film Si Solar Modules at Chint Solar

  • X. Niu (a1), C. Yu (a1), M. Wang (a1), G. Li (a1), X. Zhu (a1), B. Cheng (a1), Z. Chen (a1), G. Wang (a1), C. Zhou (a1), S. Liu (a1), H. Deng (a1), J. Xiao (a1), K. Fung (a1) and L. Yang (a1)...

Abstract

Over the past decade, the PV industry has witnessed tremendous growth in manufacturing scale and technology advancement, with PV generated electricity cost ever approaching grid parity. Among them, Si based thin film technology has made substantial progress in demonstrating its inherent advantages in lower material cost, ease of manufacturing and higher energy yield, etc. More recently, reduced product prices and competing technologies from crystalline silicon and other thin film technologies have made amorphous and microcrystalline silicon based thin film technology very challenging, and requires further increase in module efficiency and decrease in manufacturing cost. As one of the few companies in the world with significant manufacturing capacity for tandem thin film Si PV products, Chint Solar (Astronergy) has been at the forefront of technology development for the mass production of large-scale (Gen. 5, 1.43m2) Si thin film solar modules in the last 5 years. We will review major technology advancements which have been mass production proven and led to the mass produced tandem silicon thin film module with 10.0% plus stabilized efficiency, along with the field performance of those modules.

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