A Multi Battery EREV: an Innovative Structure to Improve Flexibility and Performances

Several features and issues of internal combustion, electric and hybrid vehicles are reviewed. The series hybrid vehicle is motivated for a large diffusion of the electric mobility not requiring a capillary distribution of public recharging stations. An innovative structure of extended range electric vehicle based on a few battery modules and four electric traction motors is suggested to enhance the performances of the current electric vehicles. Two examples of the proposed multi battery structure with three or two battery modules are defined, analyzed and evaluated; their main performances are compared to the up to date similar structures.