Refueling-station costs for metal hydride storage tanks on board hydrogen fuel cell vehicles

Frank, Edward D.; Elgowainy, Amgad; Khalid, Yusra S.; Peng, Jui-Kun; Reddi, Krishna

doi:10.1016/j.ijhydene.2019.09.206

Title: Refueling-station costs for metal hydride storage tanks on board hydrogen fuel cell vehicles

Abstract

Refueling costs account for much of the fuel cost for light-duty hydrogen fuel-cell electric vehicles. We estimate cost savings for hydrogen dispensing if metal hydride (MH) storage tanks are used on board instead of 700-bar tanks. Here, we consider a low-temperature, low-enthalpy scenario and a high-temperature, high-enthalpy scenario to bracket the design space. The refueling costs are insensitive to most uncertainties. Uncertainties associated with the cooling duty, coolant pump pressure, heat exchanger (HX) fan, and HX operating time have little effect on cost. The largest sensitivities are to tank pressure and station labor. The cost of a full-service attendant, if the refueling interconnect were to prevent self-service, is the single largest cost uncertainty. MH scenarios achieve 0.71–0.75/kg-H₂ savings by reducing compressor costs without incurring the cryogenics costs associated with cold-storage alternatives. Practical refueling station considerations are likely to affect the choice of the MH and tank design.

Authors:

Frank, Edward D. ^[1]; Elgowainy, Amgad ^[1]; Khalid, Yusra S. ^[1]; Peng, Jui-Kun ^[1]; Reddi, Krishna ^[1]

Argonne National Lab. (ANL), Lemont, IL (United States)

Publication Date:: 2019-10-26

Research Org.:: Argonne National Lab. (ANL), Argonne, IL (United States)

Sponsoring Org.:: USDOE Office of Energy Efficiency and Renewable Energy (EERE), Sustainable Transportation Office. Hydrogen Fuel Cell Technologies Office

OSTI Identifier:: 1573245

Alternate Identifier(s):: OSTI ID: 1703618

Grant/Contract Number:: AC02-06CH11357

Resource Type:: Accepted Manuscript

Journal Name:: International Journal of Hydrogen Energy

Additional Journal Information:: Journal Volume: 44; Journal Issue: 57; Journal ID: ISSN 0360-3199

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 08 HYDROGEN; Fuel cell electric vehicles; Hydrogen refueling station; Simulation model; Storage; Techno-economic analysis

Citation Formats


                    Frank, Edward D., Elgowainy, Amgad, Khalid, Yusra S., Peng, Jui-Kun, and Reddi, Krishna. Refueling-station costs for metal hydride storage tanks on board hydrogen fuel cell vehicles.  United States: N. p., 2019. 
Web.  doi:10.1016/j.ijhydene.2019.09.206.

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                    Frank, Edward D., Elgowainy, Amgad, Khalid, Yusra S., Peng, Jui-Kun, & Reddi, Krishna. Refueling-station costs for metal hydride storage tanks on board hydrogen fuel cell vehicles.  United States.  https://doi.org/10.1016/j.ijhydene.2019.09.206

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                    Frank, Edward D., Elgowainy, Amgad, Khalid, Yusra S., Peng, Jui-Kun, and Reddi, Krishna. Sat .  
"Refueling-station costs for metal hydride storage tanks on board hydrogen fuel cell vehicles".  United States.  https://doi.org/10.1016/j.ijhydene.2019.09.206.  https://www.osti.gov/servlets/purl/1573245.

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@article{osti_1573245,

  title        = {Refueling-station costs for metal hydride storage tanks on board hydrogen fuel cell vehicles},

  author       = {Frank, Edward D. and Elgowainy, Amgad and Khalid, Yusra S. and Peng, Jui-Kun and Reddi, Krishna},

  abstractNote = {Refueling costs account for much of the fuel cost for light-duty hydrogen fuel-cell electric vehicles. We estimate cost savings for hydrogen dispensing if metal hydride (MH) storage tanks are used on board instead of 700-bar tanks. Here, we consider a low-temperature, low-enthalpy scenario and a high-temperature, high-enthalpy scenario to bracket the design space. The refueling costs are insensitive to most uncertainties. Uncertainties associated with the cooling duty, coolant pump pressure, heat exchanger (HX) fan, and HX operating time have little effect on cost. The largest sensitivities are to tank pressure and station labor. The cost of a full-service attendant, if the refueling interconnect were to prevent self-service, is the single largest cost uncertainty. MH scenarios achieve 0.71–0.75/kg-H2 savings by reducing compressor costs without incurring the cryogenics costs associated with cold-storage alternatives. Practical refueling station considerations are likely to affect the choice of the MH and tank design.},

  doi          = {10.1016/j.ijhydene.2019.09.206},

  journal      = {International Journal of Hydrogen Energy},

  number       = 57,

  volume       = 44,

  place        = {United States},

  year         = {2019},

  month        = {10}

}

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Cited by: 11 works

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Figure 1: Pressure drop summed across 3-m-long coolant supply and 3-m return lines for several diameters of rubber line for 50 wt% EG at 60°C. The heat rate for the various flows is also plotted for 30K and 40K coolant temperature rises.

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