High Efficiency Advanced Lightweight Fuel Cell (HEAL-FC), Phase I

Metadata Updated: August 1, 2018

Infinity's High Efficiency Advanced Lightweight Fuel Cell (HEAL FC) is an improved version of its current fuel cell technology developed for space applications. The fundamental operation of this Proton Exchange Membrane (PEM) fuel cell is improved over comparable fuel cell technologies, providing simplified system design and longer duration missions. The Non Flow Through (NFT) nature of reactant consumption within the fuel cell stack produces a much higher utilization of reactants. The Advanced Product Water Removal (APWR) embodied within each repeat element of the fuel cell stack allows for the elimination of the water separation devices usually residing in the balance of system. This drives system simplification while increasing overall reliability and reducing system cost. The HEAL FC can be operated as a hydrogen-oxygen fuel cell for long endurance missions and also as a hydrogen-air fuel cell. This transition from pure oxygen to air can be accomplished dynamically in flight, allowing for reduced mass of the oxygen storage subsystem. This is a critical advantage for UAS flying to and from dense air environments consuming air as the fuel cell oxidant and switching over to pure oxygen when in the dense air region of concern. The fuel cell stack improvements to be made as part of this topic are planned to make the fuel cell stack more amenable to Unmanned Aerial Systems (UAS) by reducing mass and volume. The current configuration of the fuel cell stack was driven by performance only. Now that the NFT and APWR technologies have been proven, the stack hardware itself must be minimized to fit the UAS markets. Costs for this advanced fuel cell system will inherently be reduced through the implementation of mass production design methodology to transform a well-functioning power system for space applications to lower altitude uses.

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Metadata Created Date August 1, 2018
Metadata Updated Date August 1, 2018

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Harvested from NASA Data.json

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Resource Type Dataset
Metadata Created Date August 1, 2018
Metadata Updated Date August 1, 2018
Publisher Space Technology Mission Directorate
Unique Identifier TECHPORT_89543
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Maintainer Email
Public Access Level public
Bureau Code 026:00
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Harvest Object Id 55beac04-f841-4e6a-80c8-aefeb074e717
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Harvest Source Title NASA Data.json
Data First Published 2016-12-01T08:00:00.000Z
Homepage URL https://techport.nasa.gov/view/89543
Language en-US
License http://www.usa.gov/publicdomain/label/1.0/
Data Last Modified 2017-12-07T00:00:00.000Z
Program Code 026:027
Publisher Hierarchy National Aeronautics and Space Administration > Space Technology Mission Directorate
Source Datajson Identifier True
Source Hash ae6d2fd137b71b8b5e49fb64617e3a32536b1cb6
Source Schema Version 1.1

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