A Road Map for Li-Ion Battery Charger based on Charging Time, Battery Life and Safety

The relevance of Hybrid electrical vehicle (HEV) / Electrical vehicles (EV) is seen as never before due to global call for the reduction in carbon foot print. In such a scenario HEV/EV has a greater role to play. But as years pass by there are still a few technological challenges which makes the automotive world a bit skeptical about the immediate and complete take over by HEV/EV. As of now Li-ion cells are the front runner as a favorite to various automotive OEM’s as the stored energy source. The average time required to charge a Li-ion based vehicle ranges from 4-6 hours [Table 1].This paper analyses different charging methods/configurations based on different approaches in literatures based on three critical parameters namely charging time, battery life and safety.