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      PHOTOVOLTAIC HYDROGEN PRODUCTION PROTOTYPE: SUSTAINABLE ENERGY FOR RESIDENCES1

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          Abstract

          Residential use of hydrogen (H 2), for utility or personal transportation, is currently limited by economic effectiveness, lack of residential sources, and need for engineering improvements. A modular photovoltaic hydrogen production prototype (PHPP) was constructed to produce three liters of hydrogen per day at standard temperature and pressure with maximum energy and Faraday efficiencies of 75% and 89%, respectively. Producing 3 liters of H 2 with the PHPP required 2.4 milliliters of distilled H 2O and 26 kJ of solar energy and eliminated 1.5 liters of byproduct CO 2 relative to steam reforming of methane to generate H 2. A capital investment of $5,651 to produce 30 liters per day using additional PHPP modules gave a return on investment of 4.2% and a payback period of 7.5 years. Interdisciplinary teams of university and high school students constructed the PHPP and were familiarized with key aspects of sustainable use of hydrogen as an energy carrier. Language and geographical barriers to effective communication and teamwork among the students were met by organizing teams to meet student needs, providing instruction and hands-on training in teamwork and facilitating web-based and in-class interactions. Quantitative ethnographic observation of student interactions showed involving students in lectures and extracurricular presentations and enhancing communication and teamwork with constructive responses to student feedback increased student satisfaction with the experience.

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          Most cited references 4

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          Sustainability science: a room of its own.

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            Hydrogen futures: toward a sustainable energy system

             S. Dunn (2002)
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              A Monolithic Photovoltaic-Photoelectrochemical Device for Hydrogen Production via Water Splitting

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                Author and article information

                Journal
                jgrb
                College Publishing
                Journal of Green Building
                College Publishing
                1552-6100
                1943-4618
                1943-4618
                Summer 2008
                : 3
                : 3
                : 133-141
                Author notes

                1Revised paper first published in the Journal of Engineering for Sustainable Development: Energy, Environment, and Health, V1 N1, www.collegepublishing.us/jesdhome.htm.

                2Department of Chemical Engineering, University of Utah, Salt Lake City, UT 84112, .

                Article
                jgb.3.3.133
                10.3992/jgb.3.3.133
                ©2008 by College Publishing. All rights reserved.

                Volumes 1-7 of JOGB are open access and do not require permission for use, though proper citation should be given. To view the licenses, visit https://creativecommons.org/licenses/by-nc/4.0/

                Page count
                Pages: 9
                Product
                Categories
                RESEARCH ARTICLES

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