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A lithium-ion or Li-ion battery is a type of rechargeable battery that uses the reversible intercalation of Li + ions into electronically conducting solids to store energy. In comparison with other commercial rechargeable batteries, Li-ion batteries are characterized by higher specific energy, higher energy density, higher energy efficiency, a longer cycle life, and a longer calendar life.
When stored after charging, lithium battery cells degrade more while fully charged than if they are only 40–50% charged. As with all battery types, degradation also occurs faster at higher temperatures. Degradation in lithium-ion batteries is caused by an increased internal battery resistance often due to the cell oxidation.
In that case, supervisory circuits (sometimes called battery management systems) adjust electrical conditions during charging to match the requirements of the battery chemistry. For Li-ion batteries generally, and for some variants especially, failure to accommodate the limitations of the chemistry and electro-chemistry of a cell, with regard ...
Lithium-ion polymer batteries (LiPo) are light in weight, offer slightly higher energy density than Li-ion at slightly higher cost, and can be made in any shape. They are available [15] but have not displaced Li-ion in the market. [16] A primary use is for LiPo batteries is in powering remote-controlled cars, boats and airplanes.
CATL, the world's largest battery maker, claims the new Shenxing battery made with lithium iron phosphate, or LFP, will be able to drive 400 kilometres on a 10-minute charge and 700km at full charge.
Under certain conditions, some battery chemistries are at risk of thermal runaway, leading to cell rupture or combustion.As thermal runaway is determined not only by cell chemistry but also cell size, cell design and charge, only the worst-case values are reflected here.
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