Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CONTROL DEVICE OF POWER STORAGE ELEMENT
Document Type and Number:
Japanese Patent JP2011155774
Kind Code:
A
Abstract:

To inhibit deterioration of a power storage element subjected to bypass processing when the power storage element is subjected to bypass processing.

A control device of a power storage element includes a discharge circuit (20) connected in parallel with each power storage element (10) and discharging each power storage element, bypass circuits (41, 42, 43) provided corresponding to the power storage elements and performing bypass processing in order to disconnect the corresponding power storage element from the other power storage elements, and controllers (51, 52) which control operations of the discharge circuit and bypass circuits. The controller controls the bypass circuit to perform bypass processing for each power storage element specified according to the deterioration condition, and controls the discharge circuit to discharge the power storage element subjected to bypass processing when the value indicating the storage state of the power storage element subjected to bypass processing is larger than a reference value.


Inventors:
UMITANI HIROYUKI
Application Number:
JP2010000015689
Publication Date:
August 11, 2011
Filing Date:
January 27, 2010
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TOYOTA MOTOR CORP
International Classes:
H02J7/00; B60L3/00; H01M10/42; H01M10/44; H01M10/48; H02J7/02
Attorney, Agent or Firm:
Mizuno Katsufumi
Makoto Ide
Hiroshi Suzawa