Gases like H2, N2, CO2, and CO are increasingly recognized as critical feedstock in “green”
energy conversion and as sources of nitrogen and carbon for the agricultural and chemical …

Hydrogen is an important industrial material and ideal secondary energy. It is widely used in
petrochemical, electronics, metallurgy, food processing, fine organic synthesis, and clean …

Ever since the discovery of hydrogenases over 90 years ago (Stephenson and Stickland,
1931), their structure and mechanism of action have been intensively investigated. Of the …

Transition metal-driven small molecule activation is essential for the production of fuels and
chemicals or energy supply. The use of multimetallic catalysts, where two or more metal …

Electron bifurcation is a fundamental energy coupling mechanism widespread in
microorganisms that thrive under anoxic conditions. These organisms employ hydrogen to …

Hydrogen with high energy content is considered to be a promising alternative clean energy
source. Biohydrogen production through microbes provides a renewable and immense …

Although biological iron–sulfur (Fe–S) clusters perform some of the most difficult redox
reactions in nature, they are thought to be composed exclusively of Fe2+ and Fe3+ ions, as …

Growing concerns over greenhouse gas emissions and energy insecurity caused by the
depletion of conventional fuels have led to a search for sustainable fuel alternatives. As an …

[FeFe] hydrogenases, metalloenzymes catalyzing proton/dihydrogen interconversion, have
attracted intense attention due to their remarkable catalytic properties and (bio-) …

The extraordinary potential of hydrogen as a clean and sustainable fuel has sparked the
interest of the scientific community to find environmentally friendly methods for its production …