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US 12,424,646 B2Granted
Electrochemical cell catalyst layers
AssigneeRobert Bosch GmbH
InventorsChristina Johnston, Jake Christensen
Life of this patent
Estimating the term…
Abstract
A cathode catalyst layer includes a support substrate having a pore-free surface region and a porous surface region having a plurality of pores, a first electrolyte in direct contact with the pore-free surface region, and a second electrolyte contained within the plurality of pores, the second electrolyte being different from the first electrolyte.
Claims13
A cathode catalyst layer comprising:
- a support substrate having a pore-free surface region and a porous surface region having a plurality of pores;
- a first electrolyte in direct contact with the pore-free surface region;
- and
- a second electrolyte contained within the plurality of pores, the second electrolyte being different from the first electrolyte, the second electrolyte being an ionic liquid.
1 more element
A cathode catalyst layer comprising:
- a support substrate having a pore-free surface region and a porous surface region having a plurality of pores;
- a first electrolyte in direct contact with the pore-free surface region;
- and
- a second electrolyte contained within the plurality of pores, the second electrolyte being different from the first electrolyte,
- the first electrolyte having a greater proton conductivity than the second electrolyte or the second electrolyte having a greater oxygen conductivity than the first electrolyte.
2 more elements
A cathode catalyst layer comprising:
- a support substrate having a pore-free surface region and a porous surface region having a plurality of pores;
- a first electrolyte in direct contact with the pore-free surface region;
- and
- a second electrolyte contained within the plurality of pores, the second electrolyte being different from the first electrolyte, the first and second electrolytes being miscible.
1 more element
Dependencies are inferred from the claim text.