De Nora Lida® Anodes

Flexible Long-Life Mixed Metal Oxide (MMO) Anodes for Impressed Current Cathodic Protection Applications

Developed in the 1980’s as an innovative alternative to traditional cathodic protection anodes for corrosion prevention, De Nora LIDA® anodes are the original mixed metal oxide (MMO) anodes.

De Nora Lida® Product Features:

  • Lightweight, flexible mixed metal oxide anode
  • Patented connection with unique copper ring crimping process
  • Five-year, no-hassle warranty

Benefits

  • Easy to install, handle and transport
  • Robust, long-lasting design
  • Durable

Why Choose LIDA® Anodes?

For decades, LIDA® anodes have provided a tough yet lightweight solution for dependable cathodic protection that’s easy to install and features a unique mechanical connection for widespread dependability.
  • All LIDA® anodes are manufactured with a titanium base and a precious metal oxide coating.
  • The mixed metal oxide is a crystalline, electrically-conducive coating that activates the titanium and enables it to function as an anode. When applied on titanium, the coating has an extremely low consumption rate, measure in milligrams per year.
  • Operating in soil, freshwater, mud, or seawater, patented LIDA® coatings demonstrate very high chemical stability even in environments with very low pH values. And unlike other impressed current anodes, LIDA® coatings are not affected by the generation of chlorine.
  • In combination with a chlorine resistant wire lead, LIDA® anodes offer a great solution in salty and brackish environments.

Typical Applications

Lida® anodes are manufactured in a variety of form factors, and are suitable for deep, shallow, vertical, horizontal and open hole groundbeds.

Lida® anodes can be used in many marine applications, including sea water, brackish water and mud.

All De Nora Lida® Anodes

Disk Anode on the GroundDisk Anode on the Ground
Lida® Disk Anodes
Dam and Navigation Lock Gates
Marine Structures, Water Tanks, Vessels
Fresh, Brackish and Seawater Environments
Titanium Disk with MMO Coating
Construction of an underground pipelineConstruction of an underground pipeline
Lida® One Anodes
Cathodic Protection of Buried Structures
Varying Soil Resistivities
Carbonaceous Backfill
Titanium Tube with MMO Coating
LIDA® rod anodes comprised of a titanium substrate with a mixed metal oxide coatingLIDA® rod anodes comprised of a titanium substrate with a mixed metal oxide coating
Lida® Rod Anodes
Process Vessels, Water Condensor Boxes, Heat Exchangers, Water Intake Structures
Constant Electrical Resistance over time
Fresh Water, Brackish Water, Seawater, Coke or Sand Environments
High Current Density Capacity
Offshore StructureOffshore Structure
Lida® TSA™ Anodes
Deep Water Applications
Easy Installation
close-up of wire anodesclose-up of wire anodes
Lida® Wire Anodes
Canistered Anodes, Groundbeds, Storage Tanks, Cable Shielding, Water Treatment Equipment
Not Affected by Chlorine Generation
High Chemical Stability
denora-bluedenora-blue
De Nora Lida® Anodes
Titanium Base with MMO Coating
High Chemical Stability, even in low pH Environments
Chlorine-Resistant Wire Lead
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Material
Voltage Range
Relative Position
Least Noble (More Anodic)
Magnesium
-1.60V to -1.67V
Zinc
-1.00V to -1.07V
Beryllium
-0.93V to -0.98V
Aluminum Alloys
-0.76V to -0.99V
Cadmium
-0.66V to -0.71V
Mild Steel
-0.58V to -0.71V
Cast Iron
-0.58V to -0.71
Low Alloy Steel
-0.56V to -0.64V
Austenitic Cast Iron
-0.41V to -0.54V
Aluminum Bronze
-0.31V to -0.42V
Brass (Naval, Yellow, Red)
-0.31V to -0.40V
Tin
-0.31V to -0.34V
Copper
-0.31V to -0.40V
50/50 Lead/Time Solder
-0.29V to -0.37V
Admiralty Brass
-0.24V to -0.37V
Aluminum Brass
-0.24V to -0.37V
Manganese Bronze
-0.24V to -0.34V
Silicon Bronze
-0.24V to -0.30V
Stainless Steel (410, 416)
-0.24V to -0.37V
(-0.45V to -0.57V)
Nickel Silver
-0.24V to -0.30V
90/10 Copper/Nickel
-0.19V to -0.27V
80/20 Copper/Nickel
-0.19V to -0.24V
Stainless Steel (430)
-0.20V to -0.30V
(-0.45V to -0.57V)
Lead
-0.17V to -0.27V
70/30 Copper Nickel
-0.14V to -0.25V
Nickel Aluminum Bronze
-0.12V to -0.25V
Nickel Chromium Alloy 600
-0.09V to -0.15V
(-0.35V to -0.48V)
Nickel 200
-0.09V to -0.20V
Silver
-0.09V to -0.15V
Stainless Steel (302, 304, 321, 347)
-0.05V to -0.13V
(-0.45V to -0.57V)
Nickel Copper Alloys (400, K500)
-0.02V to -0.13V
Stainless Steel (316, 317)
0.00V to -0.10V
(-0.35V to -0.45V)
Alloy 20 Stainless Steel
0.04V to -0.12V
Nickel Iron Chromium Alloy 825
0.04V to -0.10V
Titanium
0.04V to -0.12V
Gold
0.20V to 0.07V
Platinum
0.20V to 0.07V
Graphite
0.36V to 0.19V
Most Noble (More Cathodic)

Primary voltage range for material
Voltage range in crevices or stagnant and poorly aerated water