Fuel cell system

A fuel cell system and fuel cell technology, applied in fuel cells, fuel cell additives, transportation fuel cell technology, etc., can solve problems such as inability to start the machine, poor startability, piping, and valve damage.
CN101473479AInactive Publication Date: 2009-07-01TOYOTA JIDOSHA KK
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
TOYOTA JIDOSHA KK
Publication Date
2009-07-01
Estimated Expiration
Not applicable · inactive patent

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Abstract

A fuel cell system capable of reporting that control for low-temperature countermeasure is performed without any strange feeling and false recognition of the user. When control for low-temperature such as scavenging at the system termination or warm-up at the system start-up is made, a text message or a speech message to the effect that the control will be performed is reliably presented or delivered to the user. Consequently, even in a situation where the system is operating after the ignition key is turned off, the user has neither strange feeling nor false recognition.
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Description

technical field

[0001] The invention relates to a fuel cell system. Background technique

[0002] When the external temperature is low, there is a problem that water generated inside the fuel cell system freezes after the fuel cell system stops, and piping, valves, and the like are damaged. In addition, in general, fuel cells are inferior in startability compared to other power sources, and especially at low temperatures, there is a problem that a desired voltage / current cannot be supplied and equipment cannot be started.

[0003] In view of such problems, the following proposals have been proposed: by performing scavenging treatment when the fuel cell system is stopped, the method of discharging the moisture retained inside the fuel cell to the outside (for example, refer to Patent Document 1); A method of preheating to improve the power generation efficiency of a fuel cell (for example, refer to Patent Document 2).

[0004] Patent Document 1: Japanese Patent Laid-Open No...

Claims

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