Patent ID: 11888202
Assignee: TOYOTA BOSHOKU KABUSHIKI KAISHA
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 1:
2. A fuel cell stack, comprising power generation cells that are stacked in a vertical direction, the power generation cells each being configured to generate power by using a gas, wherein
each power generation cell includes:
a membrane electrode assembly;
a support frame that supports the membrane electrode assembly; and
two separators that hold the membrane electrode assembly and the support frame between the separators,

each power generation cell includes a first hole and a second hole,
the first holes of the power generation cells form a gas manifold, the gas manifold extending in the vertical direction, and the gas flowing through the gas manifold,
the second holes of the power generation cells form a passage, the passage being adjacent to the gas manifold and extending in the vertical direction, and
the gas manifold and the passage are connected to each other at upper ends of the gas manifold and the passage, wherein the fuel cell stack further comprises
a wall surface that is located above a section where the gas manifold and the passage are connected to each other, and
the wall surface includes an inclined surface, a height of the inclined surface decreasing from a side corresponding to the gas manifold toward a side corresponding to the passage.