Fuel cell module
The fuel cell module addresses undesirable currents by using a DC-DC converter with a control unit to set a limit value, reducing airflow rate and communicating with the external system to stabilize power output and prevent stack deterioration.
JP2026095819APending Publication Date: 2026-06-12TOYOTA INDUSTRIES CORP +1
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- TOYOTA INDUSTRIES CORP
- Filing Date
- 2024-12-02
- Publication Date
- 2026-06-12
Smart Images
Figure 2026095819000001_ABST
Abstract
In fuel cell modules, this suppresses the flow of undesirable currents into the fuel cell stack. [Solution] A fuel cell module FCM is configured with a fuel cell stack FCS that generates power according to target output power and target output voltage sent from an external system S and supplies power to a load Lo, a DC-DC converter CNV having a diode DHu, a switch SLu, an inductor Lu, and a capacitor C, and an FC control unit Cm. When the switch SLu is in the open state and the voltage of the fuel cell stack FCS is higher than the voltage downstream of the DC-DC converter CNV, the FC control unit Cm sets a limit value for the command value of the fuel cell stack FCS and reduces that limit value by a predetermined amount of power.
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