A pathway for sustainable conversion of sunlight to hydrogen using proposed compact CPV system
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ArticleKAUST Department
Water Desalination and Reuse Research Center (WDRC)Biological and Environmental Sciences and Engineering (BESE) Division
Environmental Science and Engineering Program
Date
2018-03-22Online Publication Date
2018-03-22Print Publication Date
2018-06Permanent link to this record
http://hdl.handle.net/10754/627473
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Solar energy being intermittent in nature, can provide a sustainable, steady and high density energy source when converted into electrolytic hydrogen. However, in current photovoltaic market trend with 99% conventional single junction PV panels, this cannot be achieved efficiently and economically. The advent of the multi-junction solar cells (MJCs), with cell-efficiency exceeding 46%, has yet to receive wide spread acceptance in the current PV market in form of concentrated photovoltaic (CPV) system, because of its system design complexity, limiting its application scope and customers. The objective of this paper is to develop a low cost compact CPV system that will not only eliminate its application and installation related restrictions but it is also introducing a highly efficient and sustainable photovoltaic system for common consumer, to convert intermittent sunlight into green hydrogen. The developed CPV system negates the common conviction by showing two times more power output than the flat plate PV, in tropical region. In addition, sunlight to hydrogen conversion efficiency of 18% is recorded for CPV, which is two times higher than alone electricity production efficiency of flat plate PV.Citation
Burhan M, Shahzad MW, Oh SJ, Ng KC (2018) A pathway for sustainable conversion of sunlight to hydrogen using proposed compact CPV system. Energy Conversion and Management 165: 102–112. Available: http://dx.doi.org/10.1016/j.enconman.2018.03.027.Sponsors
This research was supported by the International Research Scholarship of Mechanical Engineering Department, National University of Singapore and collaborated with King Abdullah University of Science and Technology.Publisher
Elsevier BVJournal
Energy Conversion and ManagementAdditional Links
http://www.sciencedirect.com/science/article/pii/S0196890418302486ae974a485f413a2113503eed53cd6c53
10.1016/j.enconman.2018.03.027