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Safety for hydrogen vent systems

Latest News on Hydrogen Tech World

Plug Power
HTW Editorial Team

Plug Power and Johnson Matthey form strategic partnership

Plug Power and Johnson Matthey (JM) have announced a long-term strategic partnership to accelerate the green hydrogen economy. JM will become an important strategic supplier of MEA components, providing a substantial portion of Plug’s demand for catalysts, membranes, and catalyst coated membranes (CCM).

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HTW Editorial Team

Uniper commissions Sunfire to build 30 MW electrolyzer in Sweden

Implementation of the Swedish ‘Project Air’ is moving full steam ahead. Uniper has commissioned Dresden-based Sunfire to build a 30 MW pressurized alkaline electrolysis plant, which will generate green hydrogen using renewable electricity and purified wastewater. The final investment decision is still pending.

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Conference Topics


Electrolyzer Tech
Pipes, valves
System Integration
Bipolar Plates
Offshore Hydrogen
Cost Reductions



Thijs de Groot, HyCC





Latest Featured Stories on Hydrogen Tech World

Vent stack
Matjaž Matošec

Safety for hydrogen vent systems

Hydrogen vent systems play an essential role in ensuring hydrogen safety. For many applications, it is common practice to connect all normal hydrogen piping vent points, including relief valves, to a vent system. Evaluating this system during the facility hazard review is essential. This evaluation is often missed, and there have been numerous incidents in which improper vent stack design or operation caused injuries and property damage. This article addresses critical safety issues in vent system design and operation for liquefied (LH2) and gaseous (GH2) hydrogen.

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Matjaž Matošec

Electrolyser safety through certification

Electrolysers range from small, appliance-size products to large, multi-megawatt-scale production facilities. In all cases quality and safety must be ensured. One of the major concerns when designing, building, operating or even talking about a hydrogen system is safety. Known for its high flammability range and small molecular size, hydrogen can easily leak, forming an explosive mixture if adequate measures are not taken. Taking adequate measures, however, can be a straightforward process if attention is paid to safety from the design on.

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Matjaž Matošec

Platinum group metals: an enabler for hydrogen, not a barrier

Proton exchange membrane (PEM) electrolysers and PEM fuel cells rely on platinum group metal (PGM) catalysts, notably platinum and iridium. Many see this as a challenge, given the rarity and value of the PGMs. In fact, if used efficiently, these metals will actually facilitate the development of a resilient supply chain. To understand why this is, let’s look at the PGM landscape and the implications for PEM technologies in more detail.

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Matjaž Matošec

Hystar: revolutionising PEM electrolysis

Among the recent entrants to the rapidly expanding universe of electrolyser manufacturers, Hystar is shining particularly brightly. Combining knowledge from the fuel cell industry with electrolyser technology, the Norwegian company claims to have developed the world’s most efficient PEM electrolyser. With market-ready solutions, Hystar is now gearing up to fully automate its production process and ramp up production capacity to gigawatt scale.

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Hydrogen Tech World is a comprehensive knowledge platform dedicated to advancing and promoting the latest technology along the hydrogen production and distribution chain. With a global community of researchers, engineers, procurement officers, project managers, equipment manufacturers, systems integrators, engineering companies, fabricators and end users, Hydrogen Tech World is a powerful network for information exchange and knowledge transfer. Members are kept fully updated via regular newsletters while the open website provides instant, unrestricted access to a wealth of technical data, news updates, project, expert insights, etc. Scheduled for April 2023, the Hydrogen Tech World Expo & Conference in Essen will be a technology-focussed event. There, visitors will be able to see and discuss the very latest products and services available to facilitate the mainstream usage of hydrogen as an energy carrier and a fuel.