VEHICLE POWER SUPPLY DEVICE

The invention provides a power supply device for a vehicle. The power supply device heats an electricity storage body and then charges the electricity storage body. A vehicle power supply device (10) attached to a vehicle includes: a storage battery pack (11) including a storage battery stack (A2) a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SETA ITARU, MAKINO KAZUTERU, KOMURO MASAKI, SAGAWA SHINYA, SUZUKI HIROYUKI, KAWANO TAKAFUMI, OHTOMO YOSUKE
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The invention provides a power supply device for a vehicle. The power supply device heats an electricity storage body and then charges the electricity storage body. A vehicle power supply device (10) attached to a vehicle includes: a storage battery pack (11) including a storage battery stack (A2) and a storage battery stack (B2) having an internal resistance larger than that of the storage battery stack (A2); an in-vehicle charger (50) that is connected to the battery pack (11) and charges the battery stack (A2) and/or the battery stack (B2); charging switches (SW5a, SW5b) that are provided between the battery stack (A2) and the in-vehicle charger (50) and are controlled to be in an ON state and an OFF state; charging switches (SW6a, SW6b) that are provided between the battery stack (B2) and the in-vehicle charger (50) and are controlled to be in an ON state and an OFF state; and a switch control unit that controls the charging switches (SW5a, SW5b) and the charging switches (SW6a, SW6b) on the basis of the