All aboard: The energy transition of rail

There are more than 1 million km of railroad worldwide, and while 2020 definitely changed the circumstances, these rail networks enabled an average of more than 30 billion passenger trips annually. More than half of these train trips take place in Asia – mainly in China, India, and Japan – followed ...

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CASE STUDY Australian startup Hysata claims "record breaking" 95% efficient hydrogen electrolyzer April 21, 2022
Hysata has been making headlines over the last couple weeks since it announced the development of what it calls "the most energy-efficient hydrogen electrolyzer that can produce hydrogen at USD 2/kg or lower by 2025." The company was founded in 2021, having spun out of the Australian Institute of Innovative Materials at the University of Wollongong. The company has since raised USD 5 million from the IP Group and Clean Energy Finance Corporation. The researchers had initially fabricated a high-performance electrocatalyst using nonprecious metals to improve the efficiency of hydrogen production from electrolysis. However, core to Hysata's innovation is the electrolysis cell architecture, which uses a capillary mechanism ("sponge-like" action) within the polyether sulfone membrane separator to pull both water and electrolyte in toward the electrocatalyst, producing hydrogen and oxygen without any bubble formation. As a result, Hysata claims to avoid energy ineffciencies traditional alkaline and proton exchange membrane electrolyzer technologies experience, boasting a 98% efficiency at the cell level and a 95% system efficiency. Source: Hysata, Nature Communications
CASE STUDY H2ermes project: Tata's bid to decarbonize steelmaking in the Hydrogen Hub Amsterdam May 18, 2022
To meet climate goals and reduce carbon footprints, major steelmakers have launched projects to develop and demonstrate hydrogen-based direct reduced iron (DRI), such as SSAB's HYBRIT project and ArcelorMittal's Contrecoeur project. Making around 6.8 million tpa of crude steel and emitting 12.5 million tpa of CO2, with a goal to achieve carbon-neutral steelmaking by 2050 and cut CO2 emissions by 30% by 2030, Tata's IJmuiden plant in the Netherlands is also taking action: The H2ermes project will build 100 MW of electrolyzers developed by HyCC (an electrolyzer company owned by Nobian) to produce green hydrogen for DRI. The electricity required will come from Vattenfall's 2.1-GW "Hollandse Kust" offshore wind farms. The Port of Amsterdam and Gasunie will provide infrastructure support for the transport and distribution of hydrogen. The project is expected to start operation in 2025.
NEWS U.S. DOE awards USD 25 million to advance hydrogen and ammonia combustors and turbines May 23, 2022
Hydrogen and ammonia combustion-based thermal power generation is getting a boost from the U.S. Department of Energy (DOE). The grants awarded to 8 Rivers Capital (a stakeholder of Net Power), Gas Technology Institute, GE, and Raytheon Technologies are expected to advance the combustion of hydrogen, ammonia, and their mixtures with natural gas in gas turbines, addressing the efficiency, operability, and NOx emissions. The new batch of funding sends two signals: First, DOE has recognized the potential of ammonia as a low-carbon fuel, though its strategy of co-firing with natural gas is different from Japan's approach of co-firing with coal. Second, there will be opportunities to repurpose existing natural gas turbines to burn hydrogen and ammonia.