Battery module, electric vehicle, authentication apparatus, and discharging control method for battery module

摘要

There is provided a battery module including: a power storage unit storing power; a first authentication unit carrying out first authentication via a first authentication route; a second authentication unit carrying out second authentication via a second authentication route; and a discharging control unit controlling discharging from the power storage unit to an external appliance, wherein the first authentication unit is operable, when the first authentication has succeeded, to share key information to be used in the second authentication with an authentication party for the second authentication, the second authentication unit carries out the second authentication using the key information shared with the authentication party, and the discharging control unit is operable, when the second authentication has succeeded, to permit discharging from the power storage unit.

主权项

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.