Cathodic corrosion protection
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United States of America Patent
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Issued Date -
May 4, 2017
app pub date -
Nov 2, 2016
filing date -
Nov 3, 2015
priority date (Note) -
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Abstract
In a method for cathodically protecting and/or passivating a metal section in an ionically conductive material such as steel reinforcement in concrete or mortar, an impressed current or sacrificial anode communicates electrical current to the metal section and a storage component of electrical energy which can be a cell, battery or capacitor is provided as a component of the anode. The storage component can have replacement energy introduced by re-charging or replacing the component from an outside supply. Typically the cell or storage capacitor has an outer case which carries an anode material as an integral outer component.
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