Patent ID: 8676421

Claim:
A method for organizing an electric energy and a kinetic energy of an electric vehicle, the method comprising the following steps of: providing a plurality of electro-motor modules having different grade of kinetic energy; providing a plurality of battery modules having different grade of electric energy; presetting a plurality of electric vehicle performances, and arranging one of the battery modules on the electric vehicle in accordance with the electric vehicle performances; and arranging one of the electro-motor modules on the electric vehicle in accordance with the electric vehicle performances and the one of the battery modules, wherein the step of presetting the plurality of electric vehicle performances and arranging the battery module in accordance with the electric vehicle performances comprises the following steps of: presetting the minimum value of a travelable mileage of the electric vehicle; calculating the electric energy of selectable battery module in accordance with the minimum value of the travelable mileage, wherein the formula for calculating the electric energy of selectable battery module is: B E >R×C P , B E is the electric energy of the battery module, R is the travelable mileage of the electric vehicle, and C P is a consumed power; presetting the maximum value of an arrangement space of the battery module; calculating a battery energy per volume in accordance with the maximum value of the arrangement space of the battery module, wherein the formula for calculating the battery energy per volume is: P LE >B E /B V , P LE is the battery energy per volume, B E is the electric energy of the battery module, and B V is a volume of the battery module; presetting the maximum value of an acceptable weight of the battery module; calculating a battery energy per weight in accordance with the maximum value of the acceptable weight of the battery module, wherein the formula for calculating the battery energy per weight is: P WE >B E /B W , P WE is the battery energy per weight, B E is the electric energy of the battery module, and B W is a weight of the battery module; presetting the minimum value of a useful loading of the electric vehicle; and calculating a weight of the battery module in accordance with the minimum value of the useful loading of the electric vehicle, wherein the formula for calculating the weight of the battery module is: B W <W C ×F L −L P , B W is the weight of the battery module, W C is an empty weight of the electric vehicle, F L is a loading coefficient of a chassis, and L P is the useful loading of the electric vehicle.