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Changes of discharge voltage of plate-type sodium sulfur batteries in the early charge/discharge cycles

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2014, 24(4), pp.164-168
  • DOI : 10.6111/JKCGCT.2014.24.4.164
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering

김성인 1 김헌태 2 Hee-Lack Choi 2 임산수대 3 양기덕 3 범진형 3 Chang-Sam Kim 1

1한국과학기술연구원
2부경대학교
3화인테크

Accredited

ABSTRACT

The sodium-sulfur batteries which operate at 350oC have been mainly used in the field of energy storagesystem. This batteries consist of liquid sodium anode, sulfur cathode and β''-alumina solid electrolyte. The conditioningprocess for stabilization of the batteries is essential since the cells show considerable fluctuation of discharge voltage at thebeginning of discharge/charge cycles. It is found that one of the reasons of the fluctuation is the gradual change of contactarea between molten sodium and solid electrolyte.

Citation status

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