Patent ID: 9455458
Filing Date: 2016-09-27
CPC Classification: H01M,Y02E

Claim Text:
1. A hydrogen supply apparatus of fuel cell stack comprising: a plurality of unit cells, each unit cell of the plurality of unit cells comprising a membrane electrode assembly, a separating plate disposed on two sides of the membrane electrode assembly, a coolant path, an air path, a fuel path, and an air inlet manifold communicated with the air path; an end plate disposed on each end of the plurality of unit cells, the end plate forming an air inlet manifold disposed corresponding to the air inlet manifold of the separating plate; and a hydrogen supply apparatus provided in the air inlet manifold of the separating plate and the air inlet manifold of the end plate, the hydrogen supply apparatus selectively supplying hydrogen to the cathode through the air path, wherein the hydrogen supply apparatus includes: a hydrogen pipe provided in the air inlet manifold of the separating plate and the air inlet manifold of the end plate, and forming a hydrogen outlet; and a supply pipe provided inside or outside of the hydrogen pipe, connected to be rotated by driving torque of a motor, and forming a hydrogen supply aperture selectively communicating with the hydrogen outlet of the hydrogen pipe.