The Life of a Smartphone Battery

How many lithium ion [Li-ion] batteries have you used today?  Probably more than you think!  Lithium ion batteries are practically everywhere, but how do they work?  Why are they rechargeable?  And why do they die earlier and earlier in the day the more you use them?  This episode will go deep into detail and explore the lithium ion battery in your smartphone and answer each of these questions.