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Montag, 13. Juni 2011

Lithium Battery

Von laptop, 08:09

Lithium is a light metal from the group of alkali metals, only half as heavy as water. The silver-white and very soft metal starts from the air to form lithium oxide and lithium nitride. In pure oxygen, it burns with a bright red flame at 180 ° C to lithium oxide. Lithium reacts violently with water to form lithium hydroxide.

Lithium is an important alloying addition, e.g. for Achslagermetalle as well as organic catalysts. The world annual production is 50,000 tons.

In battery technology lithium in lithium Dell Inspiron 6400 battery is used as electrode material, but due to technical and safety problems in practice only in the form of a plurality of lithium alloys (eg aluminum-lithium) and lithium compounds (eg lithium-carbon).

Because of the instability can of lithium in lithium Dell Inspiron 1525 battery, no water for aqueous Electrolytes be used. Used are organic electrolytes with high chemical resistance and good solubility for lithium salts, such as alcohol Cabonate with lithium hexafluorophosphate (LiPF6) Or Lithiumimid (LiN (SO2CF3)2).

Due to the low specific weight of lithium Dell Vostro 1520 battery can therefore be produced at very high energy density. The primary Dell Inspiron 1545 battery has, for example, the lithium-iodine batteries for cardiac pacemakers proved excellent. Because of the very low Self discharge such button cells, they can be operated 10 to 15 years, their energy density is typically 240 Wh / kg. In the secondary DELL Latitude D630 battery range to put lithium-ion transfer batteries (“Li-Ion Batteries’) Is required in applications by, where high energy densities and the relatively high price is accepted by consumers, for example in mobile phones.