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Title: Fuel cell systems for first lunar outpost -- Reactant storage options

Abstract

A Lunar Surface Power Working Group was formed to review candidate systems for providing power to the First Lunar Outpost habitat. The working group met for five days in the fall of 1992 and concluded that the most attractive candidate included a photovoltaic unit, a fuel cell, a regenerator to recycle the reactants, and storage of oxygen and hydrogen gases. Most of the volume (97%) and weight (64%) are taken up by the reactants and their storage tanks. The large volume is difficult to accommodate, and therefore, the working group explored ways of reducing the volume. An alternative approach to providing separate high pressure storage tanks is to use two of the descent stage propellant storage tanks, which would have to be wrapped with graphite fibers to increase their pressure capability. This saves 90% of the volume required for storage of fuel cell reactants. Another approach is to use the descent storage propellant tanks for storage of the fuel cell reactants as cryogenic liquids, but this requires a gas liquefaction system, increases the solar array by 40%, and increases the heat rejection rate by 170% compared with storage of reactants as high pressure gases. For a high power system (>20more » kW) the larger energy storage requirement would probably favor the cryogenic storage option.« less

Authors:
 [1]
  1. Argonne National Lab., IL (United States). Chemical Technology Div.
Publication Date:
Research Org.:
Argonne National Lab., IL (United States)
Sponsoring Org.:
USDOE, Washington, DC (United States)
OSTI Identifier:
81025
Report Number(s):
ANL/CMT/CP-85790; CONF-9505226-1
ON: DE95013408; TRN: AHC29520%%92
DOE Contract Number:
W-31109-ENG-38
Resource Type:
Conference
Resource Relation:
Conference: 4. space electrochemical research and technology conference, Cleveland, OH (United States), 2-3 May 1995; Other Information: PBD: [1995]
Country of Publication:
United States
Language:
English
Subject:
30 DIRECT ENERGY CONVERSION; MOON; FUEL CELL POWER PLANTS; HYDROGEN FUELS; STORAGE FACILITIES; OXYGEN; POWER SYSTEMS; HYDROGEN FUEL CELLS; HYDROGEN STORAGE; CRYOGENIC FLUIDS

Citation Formats

Nelson, P.A. Fuel cell systems for first lunar outpost -- Reactant storage options. United States: N. p., 1995. Web.
Nelson, P.A. Fuel cell systems for first lunar outpost -- Reactant storage options. United States.
Nelson, P.A. Thu . "Fuel cell systems for first lunar outpost -- Reactant storage options". United States. doi:. https://www.osti.gov/servlets/purl/81025.
@article{osti_81025,
title = {Fuel cell systems for first lunar outpost -- Reactant storage options},
author = {Nelson, P.A.},
abstractNote = {A Lunar Surface Power Working Group was formed to review candidate systems for providing power to the First Lunar Outpost habitat. The working group met for five days in the fall of 1992 and concluded that the most attractive candidate included a photovoltaic unit, a fuel cell, a regenerator to recycle the reactants, and storage of oxygen and hydrogen gases. Most of the volume (97%) and weight (64%) are taken up by the reactants and their storage tanks. The large volume is difficult to accommodate, and therefore, the working group explored ways of reducing the volume. An alternative approach to providing separate high pressure storage tanks is to use two of the descent stage propellant storage tanks, which would have to be wrapped with graphite fibers to increase their pressure capability. This saves 90% of the volume required for storage of fuel cell reactants. Another approach is to use the descent storage propellant tanks for storage of the fuel cell reactants as cryogenic liquids, but this requires a gas liquefaction system, increases the solar array by 40%, and increases the heat rejection rate by 170% compared with storage of reactants as high pressure gases. For a high power system (>20 kW) the larger energy storage requirement would probably favor the cryogenic storage option.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Jun 01 00:00:00 EDT 1995},
month = {Thu Jun 01 00:00:00 EDT 1995}
}

Conference:
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