Membrane

For PEM fuel cell and electrolyzer applications, a polymer electrolyte membrane is sandwiched between an anode electrode and a cathode electrode. During electrochemical reaction, oxidation reaction at the anode generates protons and electrons; reduction reaction at the cathode combines protons and electrons with oxidants to generate water. To complete the electrochemical reaction, the proton exchange membrane plays a critical role that conducts protons from anode to cathode through the membrane. The proton exchange membrane also performs as a separator for separating anode and cathode reactants in fuel cells and electrolyzers.

What is the Difference Between Cation and Anion Exchange Membranes?

Cation Exchange Membranes (CEM) that are based on fluorinated polymer and sulfonic acid groups are used as a major membrane for Proton Exchange Membrane Fuel Cells (PEMFC) because of their excellent proton conductivity and durability. On the other hand, Anion Exchange Membranes (AEM) that are based on quaternary ammonium groups and hydrocarbon polymer backbone have been considered to have low thermal durability and low OH- conductivity under the condition of the fuel cell.

Refine Search

Display: List / Grid
Show:
Sort By:
Nafion™ 211
Nafion™ Membrane is used to separate the anode and cathode compartment of Proton Exchange Membrane f..
$24.00
Nafion™ XL - 10cm x 10cm
Untreated Nafion™ XL at 27.5 micrometers (1.1 mil) thick. Chemours' Nafion™ XL membrane is a..
$37.00
Nafion™ 212
Untreated Nafion™ 212 is 50.8 micrometers (2 mil) thick. The membrane is positioned between a b..
$24.00
Nafion™ 115
Untreated Nafion™ 115 is 127 micrometers (5 mil) thick. Chemours' Nafion™ 115 memb..
$32.00
Nafion™ 117
Untreated Nafion™ 117 is 183 micrometers (7.2 mil) thick. Chemours' Nafion™ 117 membran..
$37.00
Nafion™ 1110
Untreated Nafion™ 1110 is 254 micrometers (10 mil) thick. Chemours'  Nafion™ 1110,..
$54.00
Nafion™ N324, Teflon™ Fabric Reinforced
Dupont's Nafion™ N-324 is a perfluorosulfonic acid cation exchange membrane combining outstanding ch..
$79.00
Nafion™ N424, Teflon™ Fabric Reinforced
Dupont's Nafion™ N-424 is a perfluorosulfonic acid cation exchange membrane combining outstanding ch..
$89.00
Nafion™ N438, Teflon™ Fabric Reinforced
Dupont's Nafion™ N438 is a new product in the 400 series family.   This membrane represents the..
$95.00
Nafion™ Membrane Kit
Our Nafion™ Membrane Kits consists of one piece each of the following Nafion™ types: Nafi..
$110.00