Title:
ニッケル水素電池の放電制御装置およびニッケル水素電池の放電制御方法
Document Type and Number:
Japanese Patent JP5637085
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a discharge controller of a nickel-hydrogen battery and a discharge control method of the same which can perform a preferred discharge control considering battery deterioration.SOLUTION: A discharge controller of a nickel-hydrogen battery comprises: a current sensor 9 which detects current flowing in nickel-hydrogen battery units B0-Bn; and a control device 30 which estimates an amount of coming-off hydrogen from each frame of the nickel-hydrogen battery units B0-Bn on the basis of the current measured by the current sensor 9 and determines an upper limit of electric power outputted from the nickel-hydrogen battery units B0-Bn on the basis of the estimated amount of coming-off hydrogen. Preferably, the nickel-hydrogen battery units B0-Bn are mounted on a vehicle 1 to supply a motor MG2 for vehicle drive with electric power. The control device 30 estimates the amount of coming-off hydrogen from each frame of the nickel-hydrogen battery units B0-Bn on the basis of travel distance of the vehicle in addition to the current measured by the current sensor.
Inventors:
菊池 義晃
中村 公人
中村 公人
Application Number:
JP2011149015A
Publication Date:
December 10, 2014
Filing Date:
July 05, 2011
Export Citation:
Assignee:
トヨタ自動車株式会社
International Classes:
H02J7/00; B60L3/00; H01M10/44; H01M10/48
Attorney, Agent or Firm:
Patent business corporation Fukami patent firm