Electrochemical Evaluation of Pyrite Films Prepared by Plasma Spraying

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Thermally activated batteries use electrodes that are typically fabricated by cold pressing of powder. In the LiSi/FeS2 system, natural (mineral) pyrite is used for the cathode. In an effort to increase the energy density and specific energy of these batteries, flame and plasma spraying to form thin films of pyrite cathodes were evaluated. The films were deposited on a 304 stainless steel substrate (current collector) and were characterized by scanning electron microscopy and x-ray dlfllaction. The films were electrochemically tested in single cells at 5000C and the petiormance compared to that of standard cells made with cold-pressed powders. The best ... continued below

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Guidotti, R.A. & Reinhardt, F.W. October 30, 1998.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 15 times , with 4 in the last month . More information about this article can be viewed below.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Laboratories, Albuquerque, NM, and Livermore, CA
    Place of Publication: Albuquerque, New Mexico

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Description

Thermally activated batteries use electrodes that are typically fabricated by cold pressing of powder. In the LiSi/FeS2 system, natural (mineral) pyrite is used for the cathode. In an effort to increase the energy density and specific energy of these batteries, flame and plasma spraying to form thin films of pyrite cathodes were evaluated. The films were deposited on a 304 stainless steel substrate (current collector) and were characterized by scanning electron microscopy and x-ray dlfllaction. The films were electrochemically tested in single cells at 5000C and the petiormance compared to that of standard cells made with cold-pressed powders. The best results were obtained with material deposited by de-arc plasma spraying with a proprietq additive to suppress thermal decomposion of the pyrite.

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  • Fall 1998 Meeting of the Electrochemical Society; Boston, MA; 11/01-06/1998

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  • Other: DE00001538
  • Report No.: SAND98-2444C
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 1538
  • Archival Resource Key: ark:/67531/metadc619689

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • October 30, 1998

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  • June 16, 2015, 7:43 a.m.

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  • Nov. 23, 2016, 5:47 p.m.

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Guidotti, R.A. & Reinhardt, F.W. Electrochemical Evaluation of Pyrite Films Prepared by Plasma Spraying, article, October 30, 1998; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc619689/: accessed October 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.