Title:
電動車両の電源装置
Document Type and Number:
Japanese Patent JP6926548
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To increase the time of generation at a maximum efficiency output of a fuel cell, improving the fuel economy of the fuel cell and further increase the chance of charging a secondary battery from the outside of the vehicle, decreasing a charging cost, in an electric vehicular power supply apparatus that includes the fuel cell and the secondary battery.SOLUTION: A power supply apparatus 3 of an electric vehicle 1 that has a fuel cell 5 and a secondary battery 7 includes: charge state detection means 31 for detecting a charge state of the secondary battery; and a fuel cell control part 29 for controlling generation of the fuel cell on the basis of the charge state detected by the charge state detection means. The fuel cell control part includes a generation control part 33 for causing the fuel cell to generate at a maximum efficiency output when the charge state reaches a lower limit charge ratio or less, causing the fuel cell to stop generating when the charge state reaches a target charge ratio higher than the lower limit charge ratio, and lowering the lower limit charge ratio as a negative temporal change of the charge ratio increases, thus extending time of generation by the fuel cell at the maximum efficiency output.SELECTED DRAWING: Figure 1
Inventors:
Yusuke Hiramitsu
Keisuke Tashiro
Nakane Kazuyoshi
Koji Ichikawa
Keisuke Tashiro
Nakane Kazuyoshi
Koji Ichikawa
Application Number:
JP2017048423A
Publication Date:
August 25, 2021
Filing Date:
March 14, 2017
Export Citation:
Assignee:
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
Mitsubishi Automotive Engineering Co., Ltd.
Mitsubishi Automotive Engineering Co., Ltd.
International Classes:
B60L50/75; B60L3/00; B60L58/13; B60L58/40; H01M8/00; H01M8/04858; H01M10/48; H02J7/00
Domestic Patent References:
| JP2005044531A | ||||
| JP2002141073A | ||||
| JP2013207952A |
Attorney, Agent or Firm:
Seishin ip patent business corporation