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Patent Searching and Data


Title:
BATTERY SYSTEM
Document Type and Number:
WIPO Patent Application WO/2016/075797
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a battery system, wherein power consumption of an electric circuit is suppressed, said electric circuit becoming an additional component when a storage battery is in a stand-by state, and charge/discharge efficiency is high. This battery system is characterized in that: a first storage battery group wherein a plurality of storage batteries are connected in series and/or parallel, a second storage battery connected to the high potential side of the storage battery group via a switch, and a battery management device that manages the battery state of the storage battery group are integrated with a housing; the battery management device is supplied with power from the second storage battery; and the second storage battery is supplementarily charged by closing the switch.

Inventors:
YAMAUCHI SHUKO (JP)
YAMAZOE TAKANORI (JP)
Application Number:
PCT/JP2014/080133
Publication Date:
May 19, 2016
Filing Date:
November 14, 2014
Export Citation:
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Assignee:
HITACHI LTD (JP)
International Classes:
H02J7/02
Foreign References:
JP2014110709A2014-06-12
JP2008302852A2008-12-18
Attorney, Agent or Firm:
INOUE Manabu et al. (JP)
Manabu Inoue (JP)
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