Fuel cell system and its operation method
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsHiroyuki Imanishi, Kota Manabe, Tomoya Ogawa
Life of this patent
Estimating the term…
Abstract
A fuel cell system includes: a fuel cell which generates electricity; and control means which supplies an output power from the fuel cell to a predetermined load power source while realizing a low-efficiency operation of the fuel cell, thereby driving and controlling the load power source. The control means sets the output voltage of the fuel cell during the low-efficiency operation to a value not smaller than the minimum drive voltage of the load power source.
Claims7
A fuel cell system comprising:
- a fuel cell which generates electricity;
- and
- a control device programmed to supply an output power from the fuel cell to a predetermined load power source while realizing a low-efficiency operation of the fuel cell by operating the fuel cell at an operation point with a power loss, the power loss being larger than that at a normal operation point of the fuel cell, thereby driving and controlling the load power source,
- wherein the control device is programmed to set the output voltage of the fuel cell during the low-efficiency operation to a value not smaller than the minimum drive voltage of the load power source.
An operation method of a fuel cell system including a fuel cell which generates electricity, the method comprising:
- a step of supplying an output power from the fuel cell to a predetermined load power source while realizing a low-efficiency operation of the fuel cell, thereby driving and controlling the load power source by operating the fuel cell at an operation point with a power loss, the power loss being larger than that at a normal operation point of the fuel cell,
- wherein the step sets the output voltage of the fuel cell during the low-efficiency operation to a value not smaller than the minimum drive voltage of the load power source.
Dependencies are inferred from the claim text.