physical_constants.xls (21 KB)
Contains data on the heats of fusion and vaporization for water, heat capacities of air and water, and gas constants.
Dxata including density, flammability range, and auto ignition energy for hydrogen. Refer to the table below, or download the attachment. Properties Value Units Auto ignition temperature [3,a] 500-585 °C 932-1085 °F…
Contains captive, on-purpose, hydrogen production capacities at individual refineries as of January 1 from 2007 through 2020. Data were obtained from the Energy Information Administration's June 22, 2020 Refinery Capacity Report.
Property Units Hydrogen Methane Propane Methanol Ethanol Gasoline Chemical Formula H2 CH4 C3H8 CH3OH C2H5OH CxHy (x = 4 - 12) Molecular Weight [a, b] 2.02 16.04 44.1 32.04 46.…
Contains a comparison of the amount of fuel necessary to provide the same energy unit based on the lower heating values.
Feedstock and utility price projectsion from the EIA.
The following document lists the number of fuel cell deployments (shipped and on-order) for applications in material handling equipment (MHE), and the major companies that have purchased and operate fuel cell powered lift trucks as of 5/23/18…
Explains the reactions, electrolyte material, applications, and other information about the various types of fuel cells.
A limited number of Fuel cell electric vehicles (FCEVs) are commercially available as of 2019. These include: Honda Clarity Hyundai Nexo Toyota Mirai For additional information about these vehicles, visit the Alternative Fuels Data…
Hydrogen Compressibility at different temperatures and pressures
Hydrogen Density at different temperatures and pressures
Hydrogen Enthalpy at different temperatures and pressures
Hydrogen Entropy at different temperatures and pressures
Presents hydrogen fuel specifications currently prescribed by the State of California. Updated July, 2019.
Hydrogen mass and volume conversion factors at common temperatures and pressures. Data from NIST.
Contains information on the lengths of hydrogen pipeline in the U.S., Europe, and the rest of the world by location and ownership.
Contains energy inputs, energy outputs, and overall conversion efficiencies for various hydrogen production processes
Hydrogen Specific Heat at different temperatures and pressures
DOE/EERE's database that aims to collect and disseminate materials data and accelerate advanced materials R&D. Visit: http://hydrogenmaterialssearch.govtools.us/. See also: https://www.nrel.gov/news/program/2011/1659.html for background…
Hydrogen Thermal Conductivity at different temperatures and pressures