Nickel hydrogen battery is a new type of battery developed in the 1990s.
Its positive active material is mainly made of nickel, and its negative active
material is supported by hydrogen alloy, which belongs to alkaline battery.
Nickel hydrogen battery is a kind of green energy battery. At present, many
battery packs used in new energy power vehicles will choose nickel hydrogen
battery. The Volkswagen Hybrid version of Touareg is shown below.
Features of nickel hydrogen battery:
(1) High specific power;
(2) There are many cycles. The nickel hydrogen power lithium battery pack
currently used in electric vehicles can achieve more than 1000 cycles at 80%
discharge depth, which is more than three times that of lead-acid batteries. The
100% DOD cycle life is also more than 500 cycles, which can be used in hybrid
vehicles for more than five years;
(3) No pollution, nickel hydrogen battery does not contain lead, cadmium
and other metals harmful to human body;
(4) Overcharge and overdischarge resistance, no memory effect;
(5) Wide temperature range;
(6) It is safe and can resist short circuit, extrusion, acupuncture, drop,
heating, vibration, etc., without explosion or combustion.
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