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  2. CC-HOD - Wikipedia

    en.wikipedia.org/wiki/CC-HOD

    CC-HOD requires catalytic carbon, scrap metal, and water heated only modestly above ambient temperature. Aluminium is submerged in a tank with the catalytic carbon. Pure hydrogen gas is formed when the water reaches a temperature of about 80 °C (176 °F).

  3. Cornish engine - Wikipedia

    en.wikipedia.org/wiki/Cornish_engine

    A Cornish engine is a type of steam engine developed in Cornwall, England, mainly for pumping water from a mine. It is a form of beam engine that uses steam at a higher pressure than the earlier engines designed by James Watt .

  4. Hydrogen production - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_production

    Efficiency of modern hydrogen generators is measured by energy consumed per standard volume of hydrogen (MJ/m 3), assuming standard temperature and pressure of the H 2. The lower the energy used by a generator, the higher would be its efficiency; a 100%-efficient electrolyser would consume 39.4 kilowatt-hours per kilogram (142 MJ/kg) of ...

  5. Hydrogen-cooled turbo generator - Wikipedia

    en.wikipedia.org/.../Hydrogen-cooled_turbo_generator

    The bearings have to be leak-tight. A hermetic seal, usually a liquid seal, is employed; a turbine oil at pressure higher than the hydrogen inside is typically used. A metal, e.g. brass, ring is pressed by springs onto the generator shaft, the oil is forced under pressure between the ring and the shaft; part of the oil flows into the hydrogen side of the generator, another part to the air side.

  6. Hydrogen-powered ship - Wikipedia

    en.wikipedia.org/wiki/Hydrogen-powered_ship

    A hydrogen ship is a hydrogen fueled ship, using an electric motor that gets its electricity from a fuel cell, or hydrogen fuel in an internal combustion engine. A hydrogen-powered ship is a vessel that uses hydrogen as its primary source of energy, typically through fuel cells or hydrogen combustion engines, to achieve propulsion. These ships ...

  7. AFC Energy - Wikipedia

    en.wikipedia.org/wiki/AFC_Energy

    AFC Energy PLC is a developer of hydrogen fuel cell technologies which focus on the displacement of diesel generators in stationary and maritime applications. The technology utilises hydrogen fuel for zero emission electricity generation. [1] The company is based in Cranleigh, Surrey, United Kingdom. [2] It is listed on the London Stock Exchange.

  8. Orbital Marine Power - Wikipedia

    en.wikipedia.org/wiki/Orbital_Marine_Power

    Scotrenewables Tidal Power was founded in Orkney 2002 to develop the floating tidal stream turbines. The company was rebranded as Orbital Marine Power in 2019, alongside a crowdfunding campaign that raised £7m towards constructing their first commercial turbine, the O2.

  9. Water-fuelled car - Wikipedia

    en.wikipedia.org/wiki/Water-fuelled_car

    A hydrogen on demand vehicle uses a chemical reaction to produce hydrogen from water. The hydrogen is then burned in an internal combustion engine or used in a fuel cell to generate electricity which powers the vehicle. These designs take energy from the chemical that reacts with water; vehicles of this type are not precluded by the laws of nature.

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