10um Titanium Anode PTL GDL for PEM/PEMFC

 

https://www.toptitech.com/microporous-filter-components/10um-titanium-anode-ptl-gdl-for-pem-pemfc.html

A titanium anode is a type of electrode used in electrochemical devices such as fuel cells, electroplating, and water treatment systems. It is made of titanium, a metal that is known for its high strength, corrosion resistance, and ability to withstand harsh environments. Titanium anodes are commonly used in applications where other materials would be prone to corrosion or degradation.

 

In a fuel cell, the titanium anode is the electrode where the fuel (typically hydrogen) is oxidized to produce protons and electrons. The anode is a critical component of the fuel cell, as it facilitates the electrochemical conversion of fuel into electricity. Titanium anodes are preferred in fuel cells because they are durable and can withstand the harsh acidic and alkaline conditions that are present in the fuel cell.

 

PEM and PEMFC: Understanding the Key Differences

PEM stands for Proton Exchange Membrane, while PEMFC stands for Proton Exchange Membrane Fuel Cell.

A Proton Exchange Membrane is a thin film that can convert hydrogen and oxygen into electrical energy. In a Proton Exchange Membrane Fuel Cell, hydrogen is broken down into protons and electrons, with the protons passing through the membrane and the electrons flowing through an external circuit to produce electricity.

Therefore, PEM is a membrane, while PEMFC is a fuel cell based on that membrane. A PEMFC typically consists of a proton exchange membrane, an anode, a cathode, and an electrolyte, which work together to convert hydrogen into electricity while producing water and heat as byproducts.

So, PEM and PEMFC are two different concepts, with PEM being a membrane and PEMFC being a fuel cell based on that membrane.

 

PTL in PEM

PTL refers to the conductive polymer film, also known as the "Electrode Flow Field Layer," between the Gas Diffusion Layer and the Electrode Layer of the Proton Exchange Membrane Fuel Cell (PEMFC).

PTL is typically made of a 10 um porous titanium plate or 20 um titanium fiber felt and is used to enhance the adhesion between the electrode layer and the gas diffusion layer, as well as to provide a pathway for electron conduction. It also helps to disperse hydrogen and oxygen and promote even reactions, thereby improving the efficiency and stability of the PEMFC.

 

GDL in PEMFC

GDL refers to the Gas Diffusion Layer in Proton Exchange Membrane Fuel Cells (PEMFC).

The GDL is usually made of a porous titanium plate with a pore size of 10 um or titanium felt of 20 um to distribute the reactants evenly and efficiently. It is used to evenly distribute hydrogen and oxygen to the electrode layer and to remove water and heat generated by the reaction. It also serves as a conductive element, allowing electrons to flow through the entire electrode layer and into the circuit.

In a PEMFC, the GDL is located between the cathode and anode and plays a role in evenly distributing hydrogen and oxygen to the electrode layer while helping to remove generated water and heat. It also provides a conductive pathway, allowing electrons to flow freely in the electrode layer, generating electricity.

 

Parameter

The product specifications of TOPTITECH 10um Titanium Anode PTL GDL are as follows:

Titanium Anode PTL/GDL Thickness: 0.4 mm

Pore size: 10 um

Length x Width: 200 x 200 mm

Operating Temperature: Up to 120°C

Operating Pressure: Up to 3 bar

Compatibility: Compatible with various PEMFC systems

Application Scenarios: Suitable for industrial production, transportation, energy storage, and other fields

 

Features

1. Corrosion resistance: Titanium is highly resistant to corrosion, which makes it an ideal material for use in harsh environments such as fuel cells. The titanium anode  PTL GDL is all exposed to acidic and alkaline conditions, and the use of titanium ensures that these components will not corrode or degrade over time.

 

2. Durability: Titanium is a strong and durable material that can withstand a wide range of temperatures and pressures. This makes it an ideal material for use in fuel cells, where the components must be able to withstand the stresses of operation over long periods of time.

 

3. High conductivity: Titanium has a high electrical conductivity, which makes it an efficient material for use as an anode in a fuel cell. This high conductivity ensures that the electrochemical reactions can take place efficiently, leading to higher overall efficiency of the fuel cell.

 

4. Low weight: Titanium is a lightweight material, which makes it an ideal choice for use in fuel cells where weight is an important consideration. The use of lightweight materials helps to reduce the overall weight of the fuel cell, making it more portable and easier to transport.

 

5. Compatibility with other materials: Titanium is compatible with a wide range of other materials used in fuel cells, such as polymer electrolyte membranes and catalysts. This makes it easy to integrate into existing fuel cell designs and ensures that the fuel cell will operate reliably over the long term.