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March 1, 1978Zeitschrift für Naturforschung BOpen Access

Chalkogenide des As, Sb und Bi als positive Elektroden in Lithium-Batterien / Chalcogenides of As, Sb and Bi as Positive Electrodes in Lithium Cells

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Authors

JBJürgen BesenhardGraz University of Technology

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Overview

Experimental study demonstrates high-efficiency reduction of bismuth chalcogenides in lithium electrolytes, indicating potential for reversible positive battery electrodes.

Key Points

  • Investigate the redox behavior, efficiency, and reversibility of layered group V chalcogenides for use as positive electrode materials in lithium battery systems.
  • Evaluated layered chalcogenides of group V elements (arsenic, antimony, and bismuth, including Bi2S3, Bi2Se3, and Bi2Te3) in molten salt and organic Li+-containing electrolytes.
  • Assessed electrochemical reduction pathways and reversible cycling behavior under room temperature conditions.
  • Bi2S3, Bi2Se3, and Bi2Te3 were reduced at room temperature with approximately 100% material efficiency, yielding Li3Bi as the final product.
  • The electrochemical reduction of Bi2S3 to metallic bismuth (Bi0) and Li2S was fully reversible when operated in organic electrolytes.

Cite This Study

Jürgen Besenhard (1978) studied this question.

synapsesocial.com/papers/6a80214c4fef96f46ad482fbhttps://doi.org/10.1515/znb-1978-0306
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