PROBLEM TO BE SOLVED: To provide a battery system and an electrical powered vehicle capable of improving charging efficiency and charging capacity.SOLUTION: A battery system includes: a secondary battery 210; an auxiliary power storage device 220; a control device that performs input/output control of the secondary battery and the auxiliary power storage device; a secondary battery charge/discharge control section for charging the secondary battery with constant current constant voltage charging or constant power constant voltage charging system; and an auxiliary storage charge/discharge control section for charging a surplus power, which is a difference between a predetermined electric power at the time of shifting to the constant voltage charging and a required power required for the constant voltage charging, when charging from constant current or constant power charging to constant voltage charging is performed during charging by the secondary battery charge/discharge control section.SELECTED DRAWING: Figure 2
【課題】 充電効率、充電容量の向上を図ることができる電池システム及び電動車両を提供する。【解決手段】 二次電池210と、補助蓄電装置220と、前記二次電池及び前記補助蓄電装置の入出力制御を行う制御装置と、前記二次電池に対して定電流定電圧充電又は定電力定電圧充電方式で充電を行う二次電池充放電制御部と、前記二次電池充放電制御部による充電中に定電流又は定電力充電から定電圧充電に移行した際に、前記定電圧充電に移行した時点の所定電力と、前記定電圧充電に必要な必要電力との差である余剰電力を前記補助蓄電装置に蓄電する補助蓄電充放電制御部と、を具備する。【選択図】図2
BATTERY SYSTEM AND ELECTRICAL POWERED VEHICLE
電池システム及び電動車両
2018-11-15
Patent
Electronic Resource
Japanese
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
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