Green hydrogen is widely accepted as a critical part of advancing the energy transition. However for it to become a reality the technology used to generate it, such as PEM Electrolysers, must demonstrate both performance and affordability. TFP Hydrogen’s specialised coatings and catalysts play an important role in enabling this; they enhance the performance, efficiency and durability of PEM electrolysers to effectively reduce the lifetime cost of green hydrogen production.

TFP Hydrogen will be exhibiting these innovative electrochemical materials, which include coatings for porous transport layers (PTLs), meshes and bipolar plates, on stand 5250 at the forthcoming Hydrogen Technology Expo in Bremen, from 19th -20th October. Dr. David Hodgson, TFPH’s Managing Director and a leading expert in the field, will also be speaking on the 19th October at the associated conference, focussing on “Reducing the Cost of Green Hydrogen Generation through Materials Innovation” and discussing TFPH’s materials and capability in more detail.

Our coatings are used on a number of different titanium PEM electrolyser components to increase the performance and lifetime of the system. The coatings protect Cell Separators, Bipolar and Unipolar plates from corrosion, reducing hydriding & embrittlement which increases the ohmic resistance and can lead to mechanical failure. The result is improved long term component performance and cell lifetime. The coatings offer the same benefits for macro transport layer meshes and PTLs, such as titanium sinters & felts, as well as being designed to lower the interfacial contact resistances of these components and maintain this over 10,000s of hours. In PTLs the specially designed coatings also protect against oxidation and reduce overpotential, enabling operation at high energy efficiency over long time periods. All these benefits mean that the electrolyser system is able to operate at high energy efficiency over long time periods, which is necessary to make green hydrogen production more competitive.

As well as performance enhancing component coatings, we have recently launched a new catalyst range, also designed to deliver enhanced performance of the PEM electrolyser system and proven over 10,000’s of hours. The high efficiency iridium (Ir) and ruthenium (Ru) anode catalysts are designed for use in the manufacture of Catalyst Coated Membranes (CCMs) and are highly dispersible into inks for ease of use in this application. They are formulated to enable the system to operate at a low voltage, improve long term durability and ensure high performance.

All of our coating and catalyst technology is rapidly scalable, enabling us to respond efficiently to demand increases and support the growth of the hydrogen sector. We have recently doubled coating capacity at the company’s Cornwall base, installed a new coating facility in Schenectady NY and invested in scaling catalyst manufacturing capacity and capability to enable supply in multi kilogram orders. To find out more about our products and increasing capability, talk to the team on stand 5250 at the Hydrogen Technology Expo in Bremen.

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