What are lithium ion batteries?

Lithium-ion batteries (LIBs) have nowadays become outstanding rechargeable energy storage devices with rapidly expanding fields of applications due to convenient features like high energy density, high power density, long life cycle and not having memory effect.

What is the energy density of a lithium ion battery?

Early LIBs exhibited around two-fold energy density (200 WhL −1) compared to other contemporary energy storage systems such as Nickel-Cadmium (Ni Cd) and Nickel-Metal Hydride (Ni-MH) batteries .

What are the applications of lithium-ion batteries?

The applications of lithium-ion batteries (LIBs) have been widespread including electric vehicles (EVs) and hybridelectric vehicles (HEVs) because of their lucrative characteristics such as high energy density, long cycle life, environmental friendliness, high power density, low self-discharge, and the absence of memory effect [, , ].

When did rechargeable lithium ion batteries come out?

In the meantime, Sony Corporation brought rechargeable LIB with LiCoO 2 cathode and graphite anode into the market in 1991 with subsequent improvement in energy density to around 155 Whkg −1 (400 WhL −1), showing a breakthrough and leading to the second and the third generation rechargeable LIBs.

Are polyanions suitable cathodes for lithium ion batteries?

Polyanions have become suitable cathode materials for both lithium-ion batteries and also for sodium-ion batteries due to their versatility. For instance, polyanion oxides like Li 3 V 2 (PO4) 3, Na 3 V 2 (PO4) 3, Li 3 V 2 (PO4) 3 F 3, and LiFePO 4 are considered promising cathodes not only for LIBs but also for sodium-ion batteries . 7.1.4.

What is the difference between Li s and Li-metal batteries?

The Li S battery also has been found to have a higher theoretical specific energy of 2567 Whkg −1, which can practically be restricted to 350 Whkg -1, and Li-metal batteries have been studied to offer 10 times more anodic capacity with a possibility of solid-state batteries .