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Advanced cell and module design for solar LCOE optimization: Is white glass–glass module the future

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By Dr. Qiang Huang, Dr. Qiang Huang is vice president of solar BU for GCL System Integration. Prior to joining GCL, he was vice president at Trina Solar for seven years, and a founding director of State Key Laboratories. He also spent seven years working in semiconductors, mainly at TSMC, and holds a Ph.D. from the National Universit y of Singapore.; Li Xinchang, Li Xinchang received h i s b a c he l o r ’s i n a u t o m a t i o n instrumentation from t he Un i v e r s i t y of Shanghai for Science and Technology, and his MBA from Southeast University, China. He is currently a senior module product manager at GCL.

The estimated PV system installation capacity in 2016 was ~70GW worldwide [1], as shown in Fig. 1. In fact, the production volume in 2015 was around 200 times that in 2000, with a compound annual growth rate (CAGR) of over 40%. It has recently been noted that as the PV industry matures, the mindset is changing from $/W to $/kWh. While $/W is still a major driving force, the significance of other factors that influence the cost of energy must also be considered. In this regard, PV development is entering the era of $/kWh-oriented optimization.

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Photovoltaics International Archive
Photovoltaics International Papers, PV Modules
With mature product offerings now available from several of the leading industrial PV equipment and tool manufacturers, and latest-generation ECAs available from suppliers, this article aims to provide important background information on ECAs, as well as give a brief overview of some of the challenges and cutting-edge developments in ECA-related PV applications.
Photovoltaics International Archive
Cell Processing, Photovoltaics International Papers
This paper reviews those associated fabrication technologies for the mass production of Ni/Cu-plated contacts. The technologies currently in use in the PV industry for plated contacts, as well as the developing technologies having high scaling-up potential, will be reviewed. In addition, the future requirements for plating metallization will be discussed.
Photovoltaics International Archive
Cell Processing, Photovoltaics International Papers
This paper discusses what is actually behind these announcements and how an evolutionary industry sector such as PVis becoming, it seems, decidedly revolutionary with large jumps in efficiency.
Photovoltaics International Archive
Cell Processing, Photovoltaics International Papers
This paper presents an analysis and the results of extensive simulations of the efficiency limits and roadmap to 25.5% of a tunnel oxide passivated contact (TOPCon) solar cell, on the basis of an efficiency level of 25.21% (designed area, identified by ISFH) achieved through three years of continuous technical optimization on a pilot line at Longi.
Photovoltaics International Archive
Cell Processing, Photovoltaics International Papers
The development of new ways of increasing the production throughput for passivated emitter and rear cells (PERCs), as the major solar cell technology in the global market, is an area of great interest to the PV community. This paper presents approaches for significantly increasing the throughput of PERC production processes. The main focus is on the tube furnace processes for the emitter formation and oxidation, with the introduction of the High Temperature Stack Oxidation (HiTSOx) approach. Additional approaches that are currently under investigation at Fraunhofer ISE for increasing the throughput for wet-chemical, printing and laser processes will also be briefly outlined.
Photovoltaics International Archive
Cell Processing, Photovoltaics International Papers
The holy grail of every solar cell producer is the creation of a lowcost interdigitated back-contact (IBC) solar cell with an efficiency greater than 25%, a goal that can be found in almost every roadmap presentation. In this paper it will be shown that we are not far away from achieving this target, since IBC devices, with different process complexities, are already in production at several companies.

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