Lithium Ion Battery

Lithium Ion (Li-ion) batteries are common in consumer electronics. It belongs to a family of rechargeable battery and uses lithium as the active material. During discharge, the lithium ions move from the negative electrode to the positive electrode. The flow of lithium ions reverse during charging. Lithium ion batteries are extensively used in portable devices due its features like best energy to weight ratio, absence of memory effect, high efficiency, slow self discharge etc.

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2 thoughts on “Lithium Ion Battery

  1. D.Mohankumar 9 Oct 2011 / 7:12 am

    Thanks for an important question. The BSI pin in mobile phone has many function. Details added in the article.

  2. ziddik 8 Oct 2011 / 1:50 pm

    great info sir, and why is there a 3rd pin on mobilephone batteries except “+” and “-“(usually at center)?

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