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screen-shot-2016-10-26-at-2-21-01-pmLearn how solar-thermochemical hydrogen production is key to a future of hydrocarbons and renewable fuels at this LightWorks Seminar Series event hosted by Ellen B. Stechel, deputy director of ASU LightWorks.

LightWorks Seminar Series: Hydrogen, Water, Electrons: Providing the Means for a Sustainable World
Presented by Ivan Ermanoski, senior member of the technical staff at the Materials, Devices & Energy Technologies Department at Sandia National Laboratories

Thursday, November 3, 2016
noon–1:30 p.m. (lunch at 11:30 a.m.)
Wrigley Hall (WGHL) 481, Tempe campus [map]
Register to attend this free event

About the speaker

Ivan Ermanoski is a Senior Member of the Technical Staff at the Materials, Devices & Energy Technologies Department at Sandia National Laboratories, in Albuquerque, New Mexico. He graduated from the University of Belgrade, Serbia, with his B.Sc. in physics thesis work “Nanoscale Studies of a Thin Layer of Silver on HOPG”. He earned his Ph.D. in physics at Rutgers, “Nanoscale Properties of Planar and Faceted Ir (210).” Before spending two years as a postdoctoral fellow at the National Institute of Standards and Technology (NIST), working on extreme UV lithography (EUVL). Since 2007 he has been a postdoctoral associate and then a staff member at Sandia National Laboratories. His most recent work has been in the eld of solar-thermochemical fuel production, and in iodine sorption characterization.


One of the main challenges of a growing human civilization on Earth lies in balancing the ever-increasing need for resources, with the physical limitations of our planet and biosphere. The most prominent of these needs is energy. Energy is currently satis ed by the mining and burning of carbon-based materials leading to CO2 emissions with global and likely disastrous consequences.

Lowering carbon dioxide emissions worldwide requires substantial changes in the transportation sector, where liquid hydrocarbons offer unmatched performance in terms of cost and energy density on a mass and volumetric basis. An appealing alternative transportation option is hydrogen, intended to initially be used in fuel cell vehicles. More broadly, hydrogen can be used as chemical storage to enable the dispatchability of renewable electricity.

Solar-thermochemical hydrogen (STCH) production is motivated by the understanding that thermochemical cycles can also be used to produce CO from CO2, enabling the synthesis of hydrocarbons, and a smoother transition option toward renewable fuels. Two-step solar thermochemical fuel (STF) production is deceptively simple: it consists of a reduction step, in which oxygen is removed from a reactive oxide, and a step in which feedstock such as H2O is used to reoxidize the oxide and yield fuel.

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