This titanium anode is specifically designed for the forming
process of aluminum foil used in capacitors for EV charging
stations. It features a long service life, stable dimensions, low
working voltage, and excellent corrosion resistance. The anode
ensures efficient and consistent oxide film formation, helping
improve capacitor performance and energy efficiency in charging
pile systems.
Application Background
In the electronics industry, the demand for high-purity anodized
aluminum foil has increased significantly in recent years. To
obtain a uniform oxide film with high capacitance, the aluminum
foil must undergo a forming process in specially formulated
electrolytes. Since it is difficult for current to pass directly
through the thin aluminum foil, auxiliary anodes and cathodes must
be installed on both sides of the foil to enable indirect current
conduction.
In response to the specific needs of this industry, Changsheng
Titanium has developed a specialized anode coating technology. With
many years of technical experience, our company produces titanium
anode plates for aluminum foil forming that offer long service
life, excellent dimensional stability, low working voltage, and low
energy consumption. During electrolysis, the electrode spacing
remains constant, ensuring stable cell voltage and reliable forming
conditions. These titanium anodes are capable of operating in
highly corrosive or specialized electrolyte environments.
The titanium anode plates for aluminum foil forming developed by
Changsheng Titanium have been widely applied in high-, medium-, and
low-voltage aluminum foil forming production lines.
Production Process
Sandblasting
The substrate surface is treated with sandblasting to enhance its
mechanical properties and improve durability. This process removes
surface impurities, discoloration, and oxide layers, while
increasing the total electrocatalytic surface area of the electrode
plate to enhance catalytic efficiency.
Acid Pickling
The pickling solution typically consists of a mixture of various
acids. It removes surface impurities and roughens the substrate
surface to the greatest extent possible, thereby strengthening the
bonding force between the substrate and the coating.
Brushing (Coating)
A prepared noble metal solution is evenly brushed onto the
substrate and then dried. This allows the solution to bond quickly
and uniformly with the base material.
Sintering
After drying, the anode plate is placed in a sintering furnace and
held at a constant temperature for a specific period, then removed
and allowed to cool naturally.
Quality Inspection
Final inspection ensures that all base dimensions are accurate. The
coating surface is carefully examined for scratches, and adhesion
strength tests are conducted to confirm product quality.
Packaging
After passing quality inspection, each shipment is packaged with a
product test report, delivery note, certificate of conformity, and
packing list.
Product Application
Operating Conditions: Ammonium adipate, Potassium adipate, Ammonium borate
Current Density: 400–1000 A/m²
Voltage: 25–26 V
Plate Dimensions: Customizable
Coating Type: Titanium-based Iridium-Tantalum (Low Oxygen Evolution
Overpotential)
Service Life: 9–18 months
Electrochemical Performance & Service Life Testing: According to standards HG/T 2471-2007 and Q/CLTN-2012
