Method of activating membrane electrode assembly (pem) of polymer electrolyte membrane fuel cell (pemfc) using cyclic voltammetry (cv)
AssigneeHyundai Motor Company
InventorsKi Yun Cho, Ki Sub Lee, Il Hee Cho
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Abstract
The present invention relates to a method of activating membrane electrode assemblies of polymer electrolyte membrane fuel cells of a fuel cell stack for a vehicle comprising: supplying a humidified gas to a fuel cell so as to hydrate an electrolyte membrane and an electrolyte of electrodes of the fuel cell; and performing a cyclic voltammetry process so as to activate the layers of the electrodes.
Claims10
A method of activating membrane electrode assemblies of polymer electrolyte membrane fuel cells of a fuel cell stack for a vehicle, the method comprising the steps of:
- (a) supplying a humidified gas to a fuel cell so as to hydrate an electrolyte membrane and an electrolyte of electrodes of the fuel cell;
- and
- (b) performing a cyclic voltammetry (CV) process so as to activate the layers of the electrodes.
A method of activating membrane electrode assemblies of polymer electrolyte membrane fuel cells of a fuel cell stack for a vehicle, the method comprising:
- (a) a first step of performing a cyclic voltammetry (CV) process so as to activate the layers of the electrodes of the a fuel cell;
- and (b) a second step of supplying a humidified gas to the fuel cell so as to hydrate an electrolyte membrane and an electrolyte of the electrodes.
Dependencies are inferred from the claim text.