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Batteries and Displays for Mobile Devices
lithium-ion polymer cell. These cells can be made as thin as 1 mm while still achieving a
v
olumetric energy density of greater than 365 Wh/l.
5.4 Battery Chemistry Selection
Many new challenges are arising for developers, due to higher current drains and
greater temperature extremes. Every portable device has a unique set of power drain
and temperature profi les that must be characterized, understood, and addressed during
the development process. The usage profi le includes temperature ranges, discharge
profi les, charging regimens, expected shelf life, and transportation requirements, ...