Lithium batteries are made of the metal lithium; however, because of their stability, lithium-ion batteries have replaced them. Lithium-ion batteries are now replacing other batteries as well, such as silver-oxide and alkaline batteries. According to Battery University, the lithium-ion battery will be used in all portable devices in the future.
General Usage
Lithium-Ion batteries can be used both in devices that need recharging, such as cell phones, and in products whose batteries are difficult, expensive or impossible to recharge or replace, such as cardiac pacemakers.
Portable Electronics
In portable electronics, batteries needs to be recharged many times, and the lithium-ion battery can handle hundreds of recharges. Products that use the lithium-ion battery include iPods, cell phones, PCs, laptops, watches and digital cameras.
Medical Uses
Implantable electronic devices cannot be recharged or replaced without great expense, so the batteries used need to be small and able to last for years. Implantable products that use lithium-ion batteries include cardiac pacemakers, cardiac defibrillators, neurostimulators and drug infusion systems.
Military Uses
The lithium-ion battery's long life and light weight make it the battery used in many military functions, including providing power for the computers in missiles.
Lithium-Ion-Polymer Battery
A new type of battery is the lithium-ion-polymer battery, which can be made wafer thin, and is lightweight and flexible. One possible use of this battery is on the backs of credit cards.
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