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US 11,600,833 B2Granted
Stack of electrochemical cells divided up into separate groups comprising a homogenization compartment
AssigneeCommissariat A L'energie Atomique Et Aux Energies Alternatives
InventorJean-Philippe Poirot-Crouvezier
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Abstract
The invention relates to a stack of electrochemical cells (10A, 10B), divided up into at least two groups (A, B), each cell comprising a distribution circuit for a reactive species, and each group of cells comprising a separate supply collector (2A; 2B). At least one cell (10B) comprises a homogenization compartment (60B) comprising: a plurality of longitudinal conduits (61B) designed to receive the flow of the reactive species coming from the supply collector (2B) of the corresponding group and to distribute it over the inlet (51B) of the distribution circuit for the cell; and, a transverse conduit (62B) for homogenization connecting the longitudinal conduits (61B) to one another in a fluid sense.
Claims20
A stack of electrochemical cells, comprising:
- the electrochemical cells being divided up into N separate groups of cells, N≥2;
- each electrochemical cell comprising a distribution circuit configured to distribute a reactive species over an electrode of the cell;
- each cell comprising at least two supply collectors, including (i) at least one supply collector comprising open injection conduits opposite an inlet of the distribution circuit and configured to supply flow of the reactive species and (ii) at least one supply collector comprising closed injection conduits opposite the inlet of the distribution circuit and configured not to supply the reactive species,
- wherein each of the electrochemical cells comprises a homogenization compartment facing the at least one supply collector comprising the open injection conduits and facing the at least one supply collector comprising the closed injection conduits on one side and facing the inlet of the distribution circuit on another side such that the flow of the reactive species enters the inlet of the distribution circuit upon leaving the homogenization compartment, the homogenization compartment comprising:
- a plurality of longitudinal conduits, including first longitudinal conduits each configured with a first end having an inlet, each first end facing the at least one supply collector comprising the open injection conduits to receive the flow of the reactive species and including second longitudinal conduits each configured with a second end having an inlet, each second end facing the at least one supply collector comprising the closed injection conduits, each of the plurality of longitudinal conduits extending longitudinally from a corresponding one of the inlets to a corresponding outlet of the respective longitudinal conduit, each outlet being positioned directly adjacent to the inlet of the distribution circuit of the respective cell;
- and
- a transverse homogenization conduit disposed between the inlets and outlets of each of the plurality of longitudinal conduits and connecting the longitudinal conduits to one another in a fluid sense;
- and
- the homogenization compartments of the electrochemical cells are superposed onto one another, and identical to one another.
6 more elements
A stack of electrochemical cells, comprising:
- the electrochemical cells being divided up into N separate groups of cells, N≥2;
- each electrochemical cell comprising a distribution circuit configured to distribute a reactive species over an electrode of the cell;
- and
- each cell comprising at least two supply collectors, including (i) at least one supply collector comprising open injection conduits opposite an inlet of the distribution circuit and configured to supply flow of the reactive species and (ii) at least one supply collector comprising closed injection conduits opposite the inlet of the distribution circuit and configured not to supply the reactive species,
- wherein each of the electrochemical cells comprises a homogenization compartment facing the at least one supply collector comprising the open injection conduits and facing the at least one supply collector comprising the closed injection conduits on one side and facing the inlet of the distribution circuit on another side such that the reactive species are directed towards the inlet of the distribution circuit upon leaving the homogenization compartment, the homogenization compartment comprising:
- a plurality of longitudinal conduits each being open at a first end to receive the reactive species and open at a second end to discharge the reactive species,
- the first ends being disposed opposite the open injection conduits and the closed injection conduits,
- the second ends being disposed opposite the inlet of the distribution circuit of the respective cell,
- each of the plurality of longitudinal conduits extending longitudinally from a corresponding one of the first ends to a corresponding one of the second ends, and
- a transverse homogenization conduit section disposed between the first and second ends of each of the plurality of longitudinal conduits and connecting the longitudinal conduits to one another in a fluid sense.
7 more elements
Dependencies are inferred from the claim text.