System, method of controlling system, and storage medium

Patent metadata

Field	Value
Publication number	US-2021104757-A1
Application number	US-202017031946-A
Country	US
Kind code	A1
Filing date	Sep 25, 2020
Priority date	Oct 3, 2019
Publication date	Apr 8, 2021
Grant date	—

Abstract

A system includes an electrical storage device that stores an electric power generated by a fuel cell, an electric load to which the electric power is supplied using the electric power of the fuel cell and/or the electrical storage device, and an electric power control part that controls supply of the electric power to the electric load, and the electric power control part performs warming-up control of the fuel cell when an electric power requested to be generated at the fuel cell is less than a predetermined value, and causes the fuel cell to generate an electric power that is greater than the electric power requested to be generated at the fuel cell and causes to store excess electric power in the electrical storage device when the electric power requested to be generated at the fuel cell is equal to or greater than the predetermined value.

First claim

What is claimed is:

1 . A system comprising:
a fuel cell configured to generate an electric power by reacting a fuel of an anode with an oxidant of a cathode; an electrical storage device configured to store electric power generated by the fuel cell; an electric load to which the electric power is supplied using at least one of the electric power generated by the fuel cell and the electric power stored in the electrical storage device; and an electric power control part configured to control supply of the electric power from the fuel cell and the electrical storage device to the electric load, wherein the electric power control part performs, warming-up control of the fuel cell when warming-up of the fuel cell is necessary and an electric power requested to be generated at the fuel cell is less than a predetermined value, and causes the fuel cell to generate an electric power that is greater than the electric power requested to be generated at the fuel cell and causes to store excess electric power in the electrical storage device when the warming-up of the fuel cell is necessary and the electric power requested to be generated at the fuel cell is equal to or greater than the predetermined value.

2 . The system according to claim 1 , wherein the warming-up control is control of generating an exothermic reaction by supplying the fuel, which is non-reacted, discharged from the anode to the cathode.

3 . The system according to claim 1 , wherein the electric power control part does not perform the warming-up control of the fuel cell when the warming-up of the fuel cell is necessary and the electric power requested to be generated at the fuel cell is equal to or greater than the predetermined value.

4 . The system according to claim 1 , further comprising:
a temperature detection part configured to detect a temperature of the electrical storage device; a charged rate detection part configured to detect a charged rate of the electrical storage device; and a heating part provided at a position where heat is transferred to the electrical storage device and configured to generate heat using an electric power, wherein the electric power control part causes the fuel cell to generate the electric power requested to be generated at the fuel cell and causes to generate heat by supplying the electric power stored in the electrical storage device to the heating part when the electric power requested to be generated at the fuel cell is greater than the predetermined value, the temperature of the electrical storage device detected by the temperature detection part is less than the predetermined temperature, and the charged rate detected by the charged rate detection part is equal to or greater than a predetermined proportion.

5 . The system according to claim 1 , further comprising:
a temperature detection part configured to detect a temperature of the electrical storage device; a charged rate detection part configured to detect a charged rate of the electrical storage device; and a heating part provided at a position where heat is transferred to the electrical storage device and configured to generate heat using an electric power, wherein the electric power control part causes the fuel cell to generate the electric power requested to be generated at the fuel cell and does not supply the electric power stored in the electrical storage device to the heating part when the electric power requested to be generated at the fuel cell is greater than the predetermined value, the temperature of the electrical storage device detected by the temperature detection part is equal to or greater than a predetermined temperature, and a charged rate detected by the charged rate detection part is equal to or greater than a predetermined proportion.

6 . The system according to claim 1 , further comprising:
a temperature detection part configured to detect a temperature of the electrical storage device; a charged rate detection part configured to detect a charged rate of the electrical storage device; and a heating part provided at a position where heat is transferred to the electrical storage device and configured to generate heat using an electric power, wherein the electric power control part causes the fuel cell to generate an electric power greater than the electric power requested to be generated at the fuel cell, causes to store excess electric power in the electrical storage device, and does not supply the electric power stored in the electrical storage device including the excess electric power to the heating part when the electric power requested to be generated at the fuel cell is greater than the predetermined value, a temperature of the electrical storage device detected by the temperature detection part is equal to or greater than a predetermined temperature, and a charged rate detected by the charged rate detection part is less than a predetermined proportion.

7 . The system according to claim 1 , further comprising:
a temperature detection part configured to detect a temperature of the electrical storage device; a charged rate detection part configured to detect a charged rate of the electrical storage device; and a heating part provided at a position where heat is transferred to the electrical storage device and configured to generate heat using an electric power, wherein the electric power control part causes the fuel cell to generate an electric power greater than the electric power requested to be generated at the fuel cell, causes to store excess electric power in the electrical storage device, and causes to generate heat by supplying an electric power stored in the electrical storage device including the excess electric power to the heating part when the electric power requested to be generated at the fuel cell is greater than the predetermined value, a temperature of the electrical storage device detected by the temperature detection part is less than a predetermined temperature, and a charged rate detected by the charged rate detection part is less than a predetermined proportion.

8 . A system comprising:
a fuel cell configured to generate an electric power by reacting fuel of an anode with oxidant of a cathode; an electrical storage device configured to store the electric power generated by the fuel cell; an electric load to which an electric power is supplied using at least one of an electric power generated by the fuel cell and an electric power stored in the electrical storage device; and an electric power control part configured to control supply of an electric power from the fuel cell and the electrical storage device to the electric load, wherein the electric power control part decreases a degree of warming-up control of the fuel cell when an electric power requested to be generated at the fuel cell is greater than a predetermined value in comparison with the case in which the electric power requested to be generated at the fuel cell is smaller than the predetermined value.

9 . A method of controlling a system, which is performed by a control device of a system comprising:
a fuel cell configured to generate an electric power by reacting fuel of an anode with oxidant of a cathode; an electrical storage device configured to store the electric power generated by the fuel cell; and an electric load to which an electric power is supplied using at least one of an electric power generated by the fuel cell and an electric power stored in the electrical storage device, the method comprising: controlling supply of an electric power from the fuel cell and the electrical storage device to the electric load; performing warming-up control required for the fuel cell when warming-up of the fuel cell is nec

Assignees

• Honda Motor Co Ltd

Inventors

• Sakai Ryoji
• Matsui Akihiro

Classifications

• Y02E60/50

  Fuel cells · CPC title

• H01M2250/20

  Fuel cells in motive systems, e.g. vehicle, ship, plane · CPC title

• H01M16/006

  of fuel cells with rechargeable batteries · CPC title

• H01M10/66

  Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells · CPC title

• H01M10/615

  Heating or keeping warm · CPC title