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Hydrogen-absorbing alloy electrode

Nickel-MH batteries contain a nickel electrode similar to that used in nickel-cadmium batteries as the positive electrode, and a hydrogen-absorbing alloy for the negative electrode. This has made the development of a hydrogen-absorbing alloy electrode important. [Pg.39]

Hydrogen-absorbing alloy can reversible absorb and desorb a large amount of hydrogen. Hydrogen gas is rapidly absorbed in the gas phase, then desorbed on the alloy (gas-solid reaction). In the electrode reaction, the alloy electro-chemically absorbs and desorbs hydrogen in an alkaline solution (electrochemical reaction) ... [Pg.27]

A nickel-metal hydride battery (Ni-MH), which is a type of rechargeable battery comparable to a nickel-cadmium (Ni-Cd) battery, uses a hydrogen-absorbing alloy for the negative electrode... [Pg.492]

A series of mischmetal nickel alloys are known as typical hydrogen-absorbing materials (see Chapter 6.3) and are used as the negative electrode in Ni-MH rechargeable batteries (see Chapter 8.4). By the fluorination treatment of mischmetal nickel alloys the electric conductivity is significantly improved by the replacement of La-oxide and La-hydroxide layers on the Ni-emiched Lap2 surface. The layer was also found to protect the surface firom KOH alkaline solution as electrolyte and to improve the long-term durability. [Pg.137]

Nickel metal hydride cell containing a nickel hydroxide positive and a hydrogen-absorbing metal alloy negative electrode. [Pg.423]

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See also in sourсe #XX -- [ Pg.36 ]



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Hydrogen absorbing alloys

Hydrogen alloying

Hydrogen alloys

Hydrogen electrode

Hydrogenation alloys

Hydrogenation electrodes

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