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FRANKFURT/MARBURG/BASEL. In 2013, a team of microbiologists led by Professor Volker Müller of Goethe University Frankfurt discovered an unusual enzyme in heat-loving (thermophilic) bacteria: hydrogen-dependent CO. 2 HDCR reductase. It produces formic acid (formic) from hydrogen gas (H 2 ) and carbon dioxide (CO 2 ), and in the process, hydrogen transfers electrons to carbon dioxide. This makes HDCR the first known enzyme to directly utilize hydrogen. On the other hand, all the enzymes known to date that produce formic acid took a detour: they obtained electrons from soluble cellular electron transfer agents, which for their part accepted electrons from hydrogen with the help of other enzymes. The bacterium Thermoanaerobacter kivui thrives away from oxygen, for example in the deep ocean, and uses CO 2 and hydrogen to produce cellular energy. HDCR from Thermoanaerobacter kivui consists of four protein modules: one that cleaves hydrogen, one that produces formic acid and two small

Australian researchers have found a new way to safely separate, store and transport large amounts of gas that could be the missing piece of the puzzle for renewable hydrogen. The number of renewable hydrogens is huge in Australia’s net zero emissions plan – particularly in the hard-to-decarbonise industrial and heavy transport sectors. But storing and transporting large amounts of gas for practical applications remains a major challenge. A team from Deakin University’s Institute for Frontier Materials (IFM) in Melbourne says it has found a new mechanochemical way to separate and store gases, which is safe, uses less energy than traditional methods and produces no waste. The team said the breakthrough, detailed in the journal Materials Today, was a departure from accepted wisdom on gas separation and storage and had to be repeated 20 to 30 times before it could be trusted. “We were very surprised to see this happen, but every time we kept getting the exact same results, it was a eur

How many storages have high grating – 90 percent or more – varying wind and solar requirements to ensure there is enough supply to meet demand? This is a hot topic inside and outside the energy circle. One common theory – often pushed by the nuclear and fossil fuel lobbies, and the former Coalition government – ​​is that you should match each kW of wind and solar capacity to an equivalent amount of storage. The CSIRO says the idea is wrong, and Australia will only need to install a fraction of the storage for every kW of renewable energy – between one-fifth and one-third – to meet demand. “Such a conclusion would substantially overestimate the need for storage capacity,” said CSIRO in an updated version of the GenCost report, a landmark annual document that tracks the costs of comparable energy technologies, and in the case of wind and solar, their storage and transmission. needs too. The reason for this, says CSIRO, is that although the generation mix is ​​changed, and significantly

Quinbrook Infrastructure Partners has revealed plans to build Australia’s largest battery storage installation – 2000MWh – to support a large data storage center close to Brisbane in southeast Queensland. The 800MW/2000MWh “Supernode” battery project proposes to support data centers, provide service that can be delivered to the grid, strengthen additional renewable energy capacity, and act as a “stop” to reduce the risk of blackouts in Queensland. The project is separate from the Lockyer 1,000MWh battery storage project Quinbrook is also seeking to build in Queensland, as part of plans to convert peak gas generation plans to battery storage. This project is one of a number of large-scale battery storage projects currently being proposed across Australia, and would be the largest if proceeded now, although it could also be terminated by competing projects. Quinbrook said the project site, adjacent to the South Pine substation in Brendale, offers unmatched power supply access and redu