NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
Voltammetric studies of porous molybdenum electrodes for the alkali metal thermoelectric converterVoltammetry of partially oxidized porous molybdenum alkali metal thermoelectric converter (AMTEC) electrodes from about 600 to 1000 K revealed a series of redox processes within the AMTEC operational voltage range which can be used to establish the electronic and ionic conductivities of these electrodes. Improved estimates of the free energies of formation of Na2Mo3O6, NaMoO2, and Na3MoO4 are obtained. Evidence is provided for the slow corrosive attack by Na2MoO4 on molybdenum. The ionic conductivity of Na2MoO4 is found to be sufficiently large at temperatures of greater than 700 K to explain the observed electrochemical phenomena in addition to the enhanced sodium transport in AMTEC electrodes below the freezing point of Na2MoO4.
Document ID
19870036691
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Williams, R. M.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Bankston, C. P.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Khanna, S. K.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Cole, T.
(California Institute of Technology Jet Propulsion Laboratory, Pasadena, United States)
Date Acquired
August 13, 2013
Publication Date
November 1, 1986
Publication Information
Publication: Electrochemical Society, Journal
Volume: 133
ISSN: 0013-4651
Subject Category
Electronics And Electrical Engineering
Accession Number
87A23965
Distribution Limits
Public
Copyright
Other

Available Downloads

There are no available downloads for this record.
No Preview Available