Electrochemical cell
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United States of America Patent
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Sep 24, 1991
Grant Date -
N/A
app pub date -
Apr 4, 1990
filing date -
Apr 6, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention provides a method of making a flattened solid electrolyte, e.g. .beta.-alumina, envelope for use as an electrode holder in an electrochemical cell. A mouldable mixture of the .beta.-alumina with a binder is formed into sheet material and two panels of the sheet material are joined together along their peripheral edges to form the envelope. Spacing and reinforcing means is provided between the panels to space them apart and to reinforce the envelope. The edges of the panels are joined together using pressure, heat and/or solvent, after which are envelope is heated to cure the binder, volatilize the cured binder and sinter the solid electrolyte.
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