Patent ID: 9649944
Date: 2017-05-16
CPC Classifications: B60L,H02J,Y02T

Claim:
1. A method of providing a constant driving range over a multi-year period for an electric vehicle, wherein said electric vehicle is comprised of a battery pack coupled to an electric drive train, wherein said battery pack has an initial battery pack capacity at a beginning of said multi-year period and a final battery pack capacity at an end of said multi-year period, and wherein said final battery pack capacity is less than said initial battery pack capacity, the method comprising: setting a preset driving range at said beginning of said multi-year period, wherein said preset driving range corresponds to a percentage of an achievable driving range based on said initial battery pack capacity, wherein said percentage is less than 100 percent of said initial battery pack capacity and wherein said preset driving range is based on a preset set of driving conditions; and prior to each charge cycle during said multi-year period, the method comprising: charging said battery pack in accordance with said set of optimized charging parameters.