Process for preparing diaphragm-deposited activated cathodes
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United States of America Patent
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Aug 5, 1986
Grant Date -
N/A
app pub date -
Mar 18, 1985
filing date -
Mar 18, 1985
priority date (Note) -
Expired
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Abstract
A novel process for preparing a diaphragm-deposited activated cathode for use in a chlor-alkali cell is disclosed. The process involves heat-treating the activated cathode in an inert atmosphere, such as a nitrogen atmosphere, or a reducing atmosphere, such as a hydrogen atmosphere, during the baking or sintering of the diaphragm. Diaphragm-deposited activated cathodes prepared according to this invention exhibit better adhesive and stability than those which are prepared using conventional techniques. This, in turn, permits sustained operation in a chlor-alkali cell at a lower voltage for substantial energy savings.
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