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US 6,670,069 B2Granted
Fuel cell stack assembly
AssigneeGenCell Corporation
InventorJeffrey P. Allen
Life of this patent
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Abstract
A fuel cell apparatus includes a fuel cell stack positioned within a housing. The housing is contained entirely within a compression assembly. In certain preferred embodiments, the fuel cell stack includes a plurality of bipolar separator plates formed of a plurality of segments, the compression assembly including mating pairs of anode compression bars and cathode compression bars secured to one another and being positioned between a pair of segments.
Claims22
A fuel cell apparatus comprising, in combination:
- a compression assembly;
- a housing contained entirely within the compression assembly;
- and
- a fuel cell stack positioned within the housing, the fuel cell stack comprising a plurality of bipolar separator plates, each separator plate being formed of a plurality of segments, each segment including an oxidant flow path and a fuel flow path, one of the oxidant flow path and fuel flow path of each segment having internal manifolds and the other of the oxidant flow path and fuel flow path of each segment having external manifolds.
1 more element
A fuel cell apparatus comprising, in combination:
- a housing comprised of a first half-shell and a second half-shell;
- a fuel cell stack positioned within the housing, the fuel cell stack comprising a plurality of bipolar separator plates positioned between a cathode end plate and an anode end plate, each bipolar separator plate including a plurality of segments, each segment including a fuel flow path and an oxidant flow path;
- a plurality of first compression bars;
- a plurality of second compression bars, each first compression bar secured to a mating second compression bar, the compression bars of a mating pair of compression bars being positioned on opposite sides of the fuel cell stack in between a pair of segments of an endmost bipolar separator plate of the fuel cell stack, the housing being positioned between the first compression bars and the second compression bars;
- a cathode compression plate positioned between each second compression bar and one of the half-shells;
- and
- an anode compression plate positioned between each first compression bar and the other of the half-shells.
4 more elements
Dependencies are inferred from the claim text.