Sodium-sulfur storage battery
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United States of America Patent
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Apr 14, 1987
Grant Date -
N/A
app pub date -
Feb 10, 1986
filing date -
Feb 19, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The sodium sulfur storage battery comprises a solid electrolyte tube; metallic fiber filled in said solid electrolyte tube; powder, grain or mixture of them of substance resistant to attack by molten sodium which has porosity smaller than that of the metallic fiber and is filled in a first space above the metallic fiber; a battery housing; a positive electroconductive material disposed in a space between the battery housing and the solid electrolyte tube; a ring disposed on the upper surface of the positive electroconductive material; powder, grain or mixture of them of substance resistant to attack by molten sulfur which is filled in a second space above said ring and is prevented from dropping by said ring; and a solder glass layer arranged on a portion of the outer peripheral surface of the solid electrolyte tube in said second space.
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