Diesel-electric submarines equipped with Air-Independent Propulsion (AIP) systems use hydrogen fuel cells to generate electricity, ensuring near-silent operation when submerged. This advanced ...

The authorized grant for this is $13 million. The Danish firm Topsoe wants to make the solid oxide electrolyzer cells used to produce hydrogen fuel in a $400 million Chesterfield County plant.

system recharges the submarine’s batteries while submerged by reforming bioethanol, a renewable energy source derived from organic materials. This process produces a hydrogen-rich stream that, when ...

Chemicals such as hydrogen sulfide (H₂S ... Scrubbers were originally used to remove carbon dioxide (CO₂) from submarines and were adopted by the hydrocarbons industry in the 1970s to mitigate ...

Today, the defense sector is heavily interconnected and reliant on the automotive industry for R&D to meet current and future military requirements such as vehicle electrification, autonomous driving, ...