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US 9,791,516 B2Granted
Inspection method of fuel battery
AssigneeToyota Jidosha Kabushiki Kaisha
InventorKazumi Sugita
Life of this patent
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Abstract
An inspection method of a fuel battery by using an electrical charge existing in a fuel battery stack includes a supplying step in which the electrical charge is supplied from an external power supply to the fuel battery stack.
Claims8
An inspection method of a fuel battery including a fuel battery stack having a plurality of fuel battery cells, each fuel battery cell being connected to a cell monitor, the method comprising:
- a supplying step of supplying an electrical charge from an external power supply to the fuel battery stack;
- and
- a determining step of determining whether a connection between each of the fuel battery cells and the cell monitor is normal based on a value of the cell monitor after supplying the electrical charge,
- wherein the determining step is conducted before a fuel supply pipe and a fuel discharge pipe, in which fuel gas flows, are in communication with the fuel battery stack and in a state where both fuel gas is not supplied to the fuel battery cells and electric power is not generated via the fuel battery cells.
1 more element
Dependencies are inferred from the claim text.