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Title:
POWER SUPPLY UNIT FOR ELECTRIC VEHICLE
Document Type and Number:
Japanese Patent JP2012080689
Kind Code:
A
Abstract:

To provide a power supply device for electric vehicle, which can improve the use efficiency of electric energy stored in a main battery while preventing the life of an auxiliary battery from shortening.

A control part 111 controls a DC/DC converter 107 so that SOC of the auxiliary battery 109 is between a first SOC and a second SOC which are less than 100% while an electric vehicle is traveling.


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Inventors:
OSAWA KEN
Application Number:
JP2010224556A
Publication Date:
April 19, 2012
Filing Date:
October 04, 2010
Export Citation:
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Assignee:
PANASONIC CORP
International Classes:
B60L11/18; B60L1/00; H01M10/44; H01M10/48; H02J7/00
Domestic Patent References:
JP2010206886A2010-09-16
JP2005073467A2005-03-17
JP2010141950A2010-06-24
JP2010170925A2010-08-05
Attorney, Agent or Firm:
Hiroki Naito
Daisuke Nagano
Kentaro Fujii



 
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