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  2. Zinc–air battery - Wikipedia

    en.wikipedia.org/wiki/Zinc–air_battery

    Zinc–air batteries have higher energy density than many other types of battery because atmospheric air is one of the battery reactants, in contrast to battery types that require a material such as manganese dioxide in combination with zinc. Energy density, when measured by weight (mass) is known as specific energy. The following table shows ...

  3. Portable oxygen concentrator - Wikipedia

    en.wikipedia.org/wiki/Portable_oxygen_concentrator

    Portable oxygen concentrator used with bottle humidifier POCs operate on the same principle as a home concentrator, pressure swing adsorption . [ 6 ] The basic set up of a POC is a miniaturized air compressor , a cylinder filled containing the sieve, a pressure equalizing reservoir and valves and tubes.

  4. Oxygen concentrator - Wikipedia

    en.wikipedia.org/wiki/Oxygen_concentrator

    An oxygen concentrator takes in air and removes nitrogen from it, leaving an oxygen-enriched gas for use by people requiring medical oxygen due to low oxygen levels in their blood. [4] Oxygen concentrators provide an economical source of oxygen in industrial processes, where they are also known as oxygen gas generators or oxygen generation plants.

  5. Nickel–hydrogen battery - Wikipedia

    en.wikipedia.org/wiki/Nickel–hydrogen_battery

    A nickel–hydrogen battery (NiH 2 or Ni–H 2) is a rechargeable electrochemical power source based on nickel and hydrogen. [5] It differs from a nickel–metal hydride (NiMH) battery by the use of hydrogen in gaseous form, stored in a pressurized cell at up to 1200 psi (82.7 bar) pressure. [6]

  6. Silicon–air battery - Wikipedia

    en.wikipedia.org/wiki/Silicon–air_battery

    Silicon–air batteries are a new battery technology invented by a team led by Prof. Ein-Eli at the Grand Technion Energy Program at the Technion – Israel Institute of Technology. Silicon–air battery technology is based on electrodes of oxygen and silicon .

  7. A New Kind of Battery—Oxygen-Ion—Could Change Energy - AOL

    www.aol.com/lifestyle/kind-battery-oxygen-ion...

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  8. Silver zinc battery - Wikipedia

    en.wikipedia.org/wiki/Silver_zinc_battery

    Non-rechargeable silver–zinc batteries powered the first Soviet Sputnik satellites, as well as US Saturn launch vehicles, the Apollo Lunar Module, lunar rover and life-support backpack. The primary power sources for the Apollo command module (CM) were the hydrogen/oxygen fuel cells in the service module (SM). They provided greater energy ...

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