Patent ID: 11938835
Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC B  H  Y | IPC B  H

Claim 9:
10. A fuel cell system comprising:
a fuel cell stack operable to generate electrical power in a stack output signal;
a rechargeable energy storage circuit;
a first converter circuit connected to the fuel cell stack, wherein the first converter circuit is operable to convert the stack output signal into a first recharge signal while in a first mode, and convert the stack output signal into a local signal while in a second mode;
a first charging handle connectable to a first electric vehicle, wherein the first charging handle is operable to transfer the first recharge signal to the first electric vehicle; and
a switch circuit connected to the first converter circuit, the rechargeable energy storage circuit, and the first charging handle, wherein the switch circuit is operable to switch the first recharge signal to the first charging handle, and switch the local signal to the rechargeable energy storage circuit for charging, wherein the charging of the rechargeable energy storage circuit with the local signal delays a shutdown of the fuel cell stack while the first charging handle is not being used.