Sodium-sulfur battery, and a battery system using same

A highly reliable sodium-sulfur battery includes a cell container for the positive electrode which is hardly deteriorated by corrosion. The cell container for the positive electrode is made of a Co base alloy containing Cr, Ni, and Mo, wherein carbide containing at least one of Cr, W, and Mo is prec...

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Main Authors MIYOSHI; TADAHIKO, OTAKA; KIYOSHI, MADOKORO; MANABU, OYAMA; TETSUO, NISHIMURA; SHIGEOKI, HATOH; HISAMITSU, SHIOTA; KATSUHIKO
Format Patent
LanguageEnglish
Published 05.10.1999
Edition6
Subjects
ALLOYS
BASIC ELECTRIC ELEMENTS
CHEMISTRY
ELECTRICITY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:A highly reliable sodium-sulfur battery includes a cell container for the positive electrode which is hardly deteriorated by corrosion. The cell container for the positive electrode is made of a Co base alloy containing Cr, Ni, and Mo, wherein carbide containing at least one of Cr, W, and Mo is precipitated, or the cell container for positive electrode is assembled by integrating plural members made of a high corrosion resistance alloy containing Cr by welding, and a readily deformable portion is provided to the cell container for positive electrode, whereby the reliability of the sodium-sulfur battery can be significantly improved.
Bibliography:Application Number: US19960680851