Patent ID: 9043059
Filing Date: 2015-05-26
Classification: B60L,H02J,Y02T,Y04S

Abstract:
1. A battery module comprising: a power storage unit storing power; a first authentication unit carrying out first authentication of the power storage unit with a first authentication apparatus via a first authentication route; a second authentication unit carrying out second authentication with a second authentication apparatus via a second authentication route; and a discharging control unit controlling discharging from the power storage unit to an external appliance, wherein when the first authentication of the power storage unit has succeeded, key information to be used in the second authentication is shared from the power storage unit to the second authentication unit, wherein the second authentication apparatus is different from the first authentication apparatus, wherein the second authentication unit carries out the second authentication using the shared key information, and wherein the discharging control unit is operable, when the second authentication has succeeded, to permit discharging from the power storage unit.