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Natural hydrogen

Natural hydrogen

© Prinzhofer et al., 2018
© Prinzhofer et al., 2018

A promising source of clean and renewable energy

Natural hydrogen gas is known on Earth since the 1920’s. However, its potential interest as an exploitable source of energy has been growing in the past ten years. Early discoveries were either forgotten and neglected (Australia, Kansas, USA, Brazil, Mali) or located in remote areas where little if no economic interests can be devised (Mid-oceanic ridges, mountain chains).

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Green hydrogen from biogas

Green hydrogen from biogas

electricity costs
Levelized Cost of Electricity (Cent/kWh)

Hydrogen is considered the ideal raw material for a sustainable energy market transformation. However, some questions still await answers. Where will we get our hydrogen? Will we use the gray, blue, turquoise or green variant in the distant and not-so-distant future? Green hydrogen is produced using renewable energy sources and often generated via water electrolysis.

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Turquoise hydrogen: A game changer?

Turquoise hydrogen: A game changer?

pyrolysis
Methane pyrolysis, © Leon Kühner, KIT

The German government has announced it is planning to pass a national hydrogen strategy this year, with the aim of establishing a regulatory framework for the sector. The transportation, heat, energy storage and transfer, and chemical manufacturing markets could benefit from its implementation very quickly.

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Power-to-Gas in Augsburg Residential Development

Power-to-Gas in Augsburg Residential Development

Energy cycle
Energy cycle of a multifamily building, © Exytron

A small, decentralized power-to-gas system was started up in a residential development in Augsburg, Germany, at the beginning of this year. Exytron, the Rostock-based manufacturer of the installation, said it was the first of its kind around the globe to store surplus renewable electricity in synthetic natural gas and extract power when needed. With the help of the company’s SmartEnergyTechnology, “the system reduces emissions by 70 percent to 100 percent,” said the business’s sales director, Klaus Schirmer.

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Meta-Study: Hydrogen Is Competitive

Meta-Study: Hydrogen Is Competitive

CoverRenewably sourced hydrogen has recently gained considerable importance in several economic sectors at once. The automotive and fuel industry sees it primarily as a way to power fuel cell vehicles, whereas its main use in the natural gas industry is for grid feed-in. The diversity of applications means that different industries will employ different technological and economic strategies for utilizing hydrogen. To compare strategies and examine the combined utilization potential, the National Organization Hydrogen and Fuel Cell Technology (NOW) and the German Technical and Scientific Association for Gas and Water (DVGW) decided to join forces (more…)