BATTERY SYSTEM

PROBLEM TO BE SOLVED: To provide a battery system in which a circulating current is suppressed.SOLUTION: A battery system includes a first battery (10) and a second battery (20) which are electrically connected in parallel to each other and perform charge/discharge. The first battery can charge and...

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Bibliographic Details
Main Authors NISHI YUJI, ISHIOROSHI AKIO, TAKAGI MASARU
Format Patent
LanguageEnglish
Published 29.11.2012
Subjects
BASIC ELECTRIC ELEMENTS
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
SYSTEMS FOR STORING ELECTRIC ENERGY
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Summary:PROBLEM TO BE SOLVED: To provide a battery system in which a circulating current is suppressed.SOLUTION: A battery system includes a first battery (10) and a second battery (20) which are electrically connected in parallel to each other and perform charge/discharge. The first battery can charge and discharge with a larger current than that of the second battery, and the second battery has a larger power storage capacity than that of the first battery. The lower limit value of an open circuit voltage in charge/discharge control of the second battery is equal to or higher than a reference value of the open circuit voltage in the charge/discharge control of the first voltage.
Bibliography:Application Number: JP20110102286