Patent ID: 7803478
Filing Date: 2010-09-28
Classification: B60K,B60L,B60W,H01M,Y02E,Y02T

Abstract:
1. A power output apparatus configured to output power to at least one driveshaft, the power output apparatus comprising: at least one motor constructed to enable independent power input and power output from and to the at least one driveshaft; and a secondary battery designed to enable transmission of electric power to and from any of the at least one motor and to have an electrode satisfying a condition that a ratio of a total electrode area to a sum of rated output of all the at least one motor in power operation is not lower than a first predetermined ratio, wherein the first predetermined ratio is set to cause an allowable battery voltage excess rate or an excess ratio of an allowable voltage of the secondary battery is less than 100% in output of rated power from all the at least one motor in power operation, and wherein the secondary battery is a lithium ion battery, and the first predetermined ratio is 0.09 (m