US 12,403,789 B2
Electrically powered vehicle and method of controlling charging of electrically powered vehicle
Takahiro Misawa, Okazaki (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Aichi-Ken (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Aichi-ken (JP)
Filed on Mar. 11, 2022, as Appl. No. 17/692,178.
Claims priority of application No. 2021-041589 (JP), filed on Mar. 15, 2021.
Prior Publication US 2022/0289058 A1, Sep. 15, 2022
Int. Cl. B60L 53/62 (2019.01); B60L 50/62 (2019.01)
CPC B60L 53/62 (2019.02) [B60L 50/62 (2019.02)] 15 Claims
OG exemplary drawing
 
1. An electrically powered vehicle including a power storage device chargeable with electric power supplied from an external power supply, the electrically powered vehicle comprising:
a boost device configured to
boost a voltage of the electric power supplied from the external power supply and supply electric power of the boosted voltage to the power storage device;
a bypass path that bypasses the boost device, the bypass path being configured as a path through which the electric power supplied from the external power supply is supplied to the power storage device without being supplied to the boost device; and
a controller configured to control charging of the power storage device, wherein
the controller is configured to
charge the power storage device by using the boost device in response to a maximum voltage of the electric power supplied from the external power supply being lower than an inter-terminal voltage of the power storage device at time of end of charging of the power storage device, and
charge the power storage device through the bypass path in response to the maximum voltage being higher than the inter-terminal voltage at the time of end of charging, and
the controller is configured to further charge the power storage device through the bypass path in response to
the maximum voltage being lower than the inter-terminal voltage at the time of end of charging and
a difference between the maximum voltage and the inter-terminal voltage at the time of end of charging being smaller than a first prescribed value.