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Technology

Technology Entity
Name
Generic Proton Exchange Membrane Electrolysis
Owner
/ Undefined Technology Provider
Brand
PEM
Process
Decompositions reactions
Type
Water Electrolysis
Available

In Proton Exchange Membrane, also referred to as Polymer Electrolyte Membrane and, less frequently, as Solid Polymer Electrolyte (SPE) PEM Electrolyzers, the Electrolyte is a Gas-tight thin (below 0.2 mm in thickness) Polymeric Membrane with a cross-linked structure and strongly acid character due to the presence of functional groups of the Sulfonic Acid (SO3H) type. These groups are responsible for the Proton (H+) conducting ability of the Materials through an Ion Exchange Mechanism. As for the PEM Fuel Cells, the most commonly used membrane for Water Electrolysis is Nafion (a DuPont trademark).

The modules of the PEM Electrolyzers almost invariably adopt a bipolar configuration in which the electrical connection between Cells is carried out by means of Bipolar Plates that also play an important role in the evacuation of the generated Gases.[1]

1. Ursúa, Alfredo et al. “Hydrogen Production From Water Electrolysis: Current Status and Future Trends.” Proceedings of the IEEE 100 (2012): 410-426.

Link
https://ieeexplore.ieee.org/document/5898382
System Info

Updated by
UserPic  Kokel, Nicolas
Updated
1/10/2023 12:07 PM
Added by
UserPic  Kokel, Nicolas
Added
1/10/2023 10:49 AM
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https://ieeexplore.ieee.org/document/5898382 Scheme of the operating principle of a PEM electrolysis cell
https://ieeexplore.ieee.org/document/5898382 Scheme of the operating principle of a PEM electrolysis cell
Joaquim Tsu, Bryan Research & Engineering, LLC https://www.linkedin.com/posts/activity-7013684373338148864-Eg8j