lithium ion battery

" Lithium Ion Battery - They Are Stable And Stubborn !!! "

Author : dc.venkatesh     Date : 05-Mar-2006

Lithium ion batteries are packed with high energy density into a tiny package, making them the ideal choice for devices such as laptops and cell phones. They commercialized in 1991 by Sony these batteries provide a superior alternative to the prevalent nickel-cadmium (Ni-Cad) batteries. The Lithium Ion Battery has long been desired because it is the lightest of all metals, making it a tantalizing choice for a portable energy source. Since the 1970s, lithium based batteries have been available in a non-rechargeable form. Watch batteries are one well-known example.

The relative instability of the lithium proved even more apparent during charging, leading to its slow adoption as a rechargeable battery. The end result is a compromise where the name says it all - these batteries use only the ions rather than the metal itself. The outcome is a much more stable though slightly less powerful energy source ideal for recharging. And even with the decrease in power, lithium ion based batteries still deliver more than double the voltage of nickel-cadmium.

Eventually all rechargeable Li-ion batteries will meet their end. After about two to three years, Li-ion batteries will expire, whether or not they are being used. To prolong the battery when not in use, store it in a cool dry place. Also, avoid exposing a lithium battery to extreme temperatures for prolonged periods of time, and recharge constantly when in use. When it‘s time to eventually dispose, these batteries are much safer than many other types of rechargeable batteries, allowing them to be safely placed in the trash. As with most other things - if recycling is an option, that is the best one of all.



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