Water chlorinator having dual functioning electrodes
A water chlorinator includes an aqueous chloride ion source; and a pair of dual functional electrodes configured to electrolyze the aqueous chloride ion source, each one of the pair of dual functional electrodes comprising a titanium substrate and a mixed metal oxide coating deposited thereon and consisting essentially of ruthenium oxide and titanium oxide having a molar ratio of 5:95 to 25:75, respectively.
1. A water chlorinator, comprising:
an aqueous chloride ion source; and
a pair of dual functional electrodes configured to electrolyze the aqueous chloride ion source, each one of the pair of dual functional electrodes comprising a conductive substrate and a mixed metal oxide coating deposited thereon consisting essentially of ruthenium oxide and titanium oxide having a molar ratio of 5:95 to 25:75, respectively.
2. The water chlorinator of claim 1 , wherein the molar ratio of the ruthenium to the titanium is 15:85 to 20:80, respectively.
3. The water chlorinator of claim 1 , wherein the molar ratio of the ruthenium to the titanium is 15:85, respectively.
4. The water chlorinator of claim 1 , wherein the ruthenium in the mixed metal oxide coating is at a loading of 5 to about 20 g/m 2 .
5. The water chlorinator of claim 1 , wherein the ruthenium in the mixed metal oxide coating is at a loading of 10 to about 15 g/m 2 .
6. The water chlorinator of claim 1 , wherein the dual functional electrode is a mesh screen.
7. The water chlorinator of claim 1 , wherein the dual functional electrode is a plate.
8. The water chlorinator of claim 1 , wherein the conductive substrate is selected from the groups consisting of titanium, lead, tantalum, tungsten, molybdenum, vanadium, zirconium, and niobium.
9. The water chlorinator of claim 1 , wherein the conductive substrate is titanium.
10. The water chlorinator of claim 2 , wherein the conductive substrate is titanium.