Refurbished electrode having an inner plate and outer envelope electrode
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United States of America Patent
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-
Nov 7, 1995
Grant Date -
N/A
app pub date -
Dec 2, 1993
filing date -
Dec 2, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Electrodes in plate form can be electrocatalytically coated and secured to a current distributor, such as by welding to a base plate, and may be serviceable, e.g., as anodes, in cells electrolyzing brine. Recoating of plate electrodes can require removal from the cell, removal of old coating, application of fresh coating, then returning and securing the freshly coated electrodes to the cell. There are now provided envelopes for covering the original electrode plates. The original plates thus do not need to be separated from a base member of the cell. The envelopes can have an electrocatalytic coating on their outer surfaces. The resulting electrodes are thus a combination of an old inner plate and a new outer envelope, with an outer surface coating on the envelope. The envelopes can be secured to the inner plate and/or to a current distributor such as a base plate.
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