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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]
This is a list of commercially-available battery types summarizing some of their characteristics for ready comparison. ... Nickel–hydrogen: NiH 2 Ni-H 2: Hydrogen ...
A nickel–metal hydride battery (NiMH or Ni–MH) is a type of rechargeable battery. The chemical reaction at the positive electrode is similar to that of the nickel–cadmium cell (NiCd), with both using nickel oxide hydroxide (NiOOH). However, the negative electrodes use a hydrogen-absorbing alloy instead of cadmium.
Artificial satellites, such as communication satellites, require battery systems that can withstand thousands of charge and discharge cycles over the satellite's intended life. [2] Schematic of the internal arrangement of nickel-hydrogen rechargeable battery. Primary batteries are used for relatively short-duration tasks.
Thomas Edison in 1910 with a nickel-iron cell from his own production line. The nickel–iron battery (NiFe battery) is a rechargeable battery having nickel(III) oxide-hydroxide positive plates and iron negative plates, with an electrolyte of potassium hydroxide. The active materials are held in nickel-plated steel tubes or perforated pockets.
Hydrogen battery may refer to: Nickel–hydrogen battery, a rechargeable battery with a power source based on nickel and hydrogen; Hydrogen fuel cell, ...