[CCoE Notice] Dissertation Announcement: Paulo Liu, "National Hydrogen Transportation Fuel Supply"

[Greenwell, Stephen J]

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The Petroleum Engineering Department Presents

National Hydrogen Transportation Fuel Supply



Paulo Liu

November 23, 2024; 9:00 AM - 11:00 AM (CST); Breakfast Available at 8:45 AM

Location: Room 124; Tech Bridge Bldg. 9



Committee Chair:

Christine Ehlig-Economides, Ph.D.

Committee Members:

Dimitrios Hatzignatiou, Ph.D. | S. M. Farouq Ali, Ph.D. | Birol Dindoruk, Ph.D. | Kyung Jae Lee, Ph.D. | Ram Seetharam, Ph.D.

Abstract

Hydrogen (H2) fuel cell electric vehicles (FCEVs) refuel in less than 5 minutes with water vapor as their only exhaust emission and are more energy efficient than internal combustion engine vehicles (ICEVs). Consequently, they represent potentially attractive alternatives to battery electric vehicles (BEVs) and ICEVs. However, rare access to H2 refueling limits this choice in the United States (US). This research assessed the viability of switching from liquid fuels to H2 at all locations in the contiguous US.

Preliminary work has provided compelling evidence that the projected H2 cost is competitive with that of gasoline and diesel in the Greater Houston Area (GHA). H2 generated from the electrical grid using commercially available electrolyzers costs more in the Houston area than H2 generated with steam methane reforming (SMR) with Carbon Capture (SMRCC), but less than diesel fuel. The electric grid can supply H2 at any location with sufficient water. However, where methane supply is available, H2 generated from methane requires less water and is more cost effective. We integrate existing tools and data for US counties and municipalities to assess H2 generation costs using the model created for the preliminary work to develop a prototype application to model and evaluate the cost of H2 generation at any location in the contiguous US via either the existing natural gas infrastructure or the electric grid.

This research  provides a methodology for determining the competitive price of H2 for the US. Mechanisms that make H2 attractive for transportation may also make it attractive for other industrial and commercial applications.



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