Titanium bipolar plates are a high performance component designed for battery fuel cell systems. It is made of high-purity titanium material with excellent mechanical properties, corrosion resistance and electrical conductivity, providing reliable support and excellent performance for fuel cells. Through advanced manufacturing process, titanium bipolar plates ensure high precision and consistency, with flat surface and fine processing to ensure the stable operation of the battery fuel cell system and provide the best gas and liquid sealing performance.

The main advantages of titanium bipolar plates are their lightweight design, high electrical conductivity and corrosion resistance. The lightweight nature of titanium reduces the weight of the entire battery fuel cell system, helping to improve energy efficiency. Its excellent electrical conductivity ensures effective current conduction, reduces energy loss, and improves system efficiency and response speed. In addition, the corrosion resistance of titanium material enables it to resist the erosion of corrosive substances such as acid and alkali in harsh environments and prolong the service life of the system.

Parameter

Material: titanium

Size: according to the drawing

Type: Etching / Chemical Machining, Other Machining Services

Etching accuracy: Line width: 0.01mm; Aperture: 0.03mm; Tolerance: ±0.01mm

Features

1. Lightweight design: The titanium bipolar plate is made of titanium material, which has the characteristics of light weight. Compared with traditional metal materials, such as steel, titanium material has a lower density, so it can reduce the overall weight of the fuel cell system. This is especially important for automotive and other mobile applications, improving energy efficiency and driving range.

2. High Electrical Conductivity: Titanium bipolar plates have excellent electrical conductivity and can effectively conduct electric current. This helps reduce energy loss and increases the efficiency and responsiveness of the fuel cell system. Good electrical conductivity can also help maintain stable current distribution and balance, and improve the operating stability of the system.

3. Corrosion resistance: Titanium material has excellent corrosion resistance and can resist the erosion of corrosive substances such as acid and alkali. In fuel cells, where acidic or alkaline environments are involved, the use of titanium bipolar plates can provide longer life and reduce maintenance requirements.

4. High temperature resistance: Titanium bipolar plates can maintain stable performance under high temperature conditions. Some parts of the fuel cell system may be exposed to high temperature environments, such as inside the fuel cell stack. Titanium's high temperature resistance makes it ideal for reliable operation in these demanding conditions.

The installation position and function of the titanium bipolar plate in the fuel cell are as follows:

Installation location:

Titanium bipolar plates are usually located between the anode and cathode of a fuel cell system, serving as a critical interface for electrochemical reactions. It is assembled into a fuel cell unit together with other components such as anode, cathode, electrolyte layers, etc.

Effect:

Provides electrode active surface: The surface of a titanium bipolar plate is coated with a catalyst, usually platinum or another noble metal. These catalysts help facilitate electrochemical reactions in fuel cells, such as oxidizing fuel and reducing oxygen. The presence of titanium bipolar plates provides a large amount of active surface, increasing the reaction rate and efficiency.

Electron conduction: In a fuel cell, the fuel is oxidized into ions and electrons on the anode side through the action of a catalyst. Ions pass through the electrolyte layer, while electrons flow through the conductive properties of the titanium bipolar plates, creating an electrical current in the external circuit. The titanium bipolar plate acts as a current collector for electrons, guiding electrons from the anode to the cathode, and completing the key role of electron conduction.

Separation of fuel and oxygen: Titanium bipolar plates play the role of separating fuel and oxygen in fuel cells. It prevents unwanted reactions and energy loss by physically separating the cathode and anode, preventing hydrogen or other fuels from directly mixing with oxygen.

Support and fixation: As one of the key components of the fuel cell system, the titanium bipolar plate also supports and fixes other components. It provides a stable structural framework that enables other components to be properly connected and positioned, ensuring system stability and reliability.