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  2. DEKA (company) - Wikipedia

    en.wikipedia.org/wiki/DEKA_(company)

    DEKA Research & Development Corporation is a technology company based in New Hampshire, U.S., founded in 1982 by Dean Kamen, consisting of over 1000 engineers, technicians, and support staff. DEKA is an acronym derived from De an Ka men.

  3. Stirling engine - Wikipedia

    en.wikipedia.org/wiki/Stirling_engine

    On the surface, these boats are propelled by marine diesel engines; however, when submerged they use a Stirling-driven generator developed by Swedish shipbuilder Kockums to recharge batteries and provide electrical power for propulsion. [38] A supply of liquid oxygen is carried to support burning of diesel fuel to power the engine.

  4. Applications of the Stirling engine - Wikipedia

    en.wikipedia.org/wiki/Applications_of_the...

    However, a modified Stirling engine has been introduced that uses concepts taken from a patented internal-combustion engine with a sidewall combustion chamber (US patent 7,387,093) that promises to overcome the deficient power-density and specific-power problems, as well as the slow acceleration-response problem inherent in all Stirling engines ...

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  6. Electric boat - Wikipedia

    en.wikipedia.org/wiki/Electric_boat

    An electric boat is a powered watercraft driven by electric motors, which are powered by either on-board battery packs, solar panels or generators. [ 1 ] While a significant majority of water vessels are powered by diesel engines , with sail power and gasoline engines also popular, boats powered by electricity have been used for over 120 years.

  7. Deka - Wikipedia

    en.wikipedia.org/wiki/Deka

    Deka, or DEKA may refer to: deka-, a variant spelling of deca-, a metric prefix; Deka, Pomeranian Voivodeship, village in northern Poland; DEKA (New Zealand), a defunct discount store chain, formerly in New Zealand; DEKA (company), located in Manchester, New Hampshire in the United States; Jadab Chandra Deka, Indian politician

  8. Hydrogen-powered ship - Wikipedia

    en.wikipedia.org/wiki/Hydrogen-powered_ship

    The custom build was said to be based on blueprints for a 112-metre design "Aqua" publicised in 2019 at the Monaco Yacht Show by the Dutch marine architects Sinot. [7] The 80-car ferry MF Hydra sails in Norway, using 4 tonnes of liquid hydrogen, two 200 kW fuel cells, a 1.36—1.5 MWh battery, and two 440 kW diesel generators.

  9. Environmental impacts of lithium-ion batteries - Wikipedia

    en.wikipedia.org/wiki/Environmental_impacts_of...

    Applications for this battery were limited by the high prices of titanium and the unpleasant scent that the reaction produced. [2] Today's lithium-ion battery, modeled after the Whittingham attempt by Akira Yoshino, was first developed in 1985. Tonnes of lithium and income generated from Australian lithium mining and exportation over the recent ...

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