Patent
US 10,050,278CATHODE DEVICE FOR FUEL CELL
TYPHER YOM
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,050,278Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 schematically illustrates a fuel cell 10 constructed in accordance 5 with an embodiment of the present invention. The fuel cell 10 includes a cathode 12 …
FIGS. 2A and 3A). Other electrically conductive materials, such as metals, may be used. In an exemplary embodiment, the graphite lines 38 are drawn on the …
FIG. 3C, the absorbent material is applied to the surface 40 of the substrate 34. As moisture is withdrawn from the substrate 34 into the absorbent material, a …
FIG. 4, which illustrate a higher concentration of graphene oxide and/or graphite adjacent the surface 36 than the surface 40 because the graphene oxide and …
FIG. 5 is a schematic view of a container housing the matrix, which is 20 subjected to microwave radiation in a gas filled environment;
FIG. 6). In an exemplary embodiment, the entire surface 36 of the substrate 34 may be applied with a layer or layers of graphite. After the graphite lines 38 …
FIGS. 7 A and 7B are graphs showing voltage measurements obtained from a sample cathode device made in accordance with an embodiment of the present invention. …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A fuel cell electrode, comprising: a substrate having a first surface and a second surface facing the first surface, wherein the substrate is formed of silicon carbide; a passage channel connecting the first surface and the second surface, wherein the passage channel is formed of a plurality of pores connected to each other; and a nitrogen-doped graphene layer disposed within the plurality of pores connected to each other to form the passage channel so that the nitrogen-doped graphene layer covers an inside of the passage channel [[.]], wherein an air is received from the second surface of the substrate and an oxygen reduction reaction is catalyzed by the nitrogen-doped graphene layer so that the oxygen reduction reaction generates a byproduct including water or elemental oxygen, and wherein the byproduct of the oxygen reduction reaction is discharged from the plurality of pores of the passage channel to the first surface. Currently amended
The fuel cell electrode of claim 1, further comprising graphite disposed on the first surface of the substrate. Currently amended
The fuel cell electrode of claim 1, wherein the nitrogen-doped graphene layer is doped with nitrogen atoms. Currently amended
The fuel cell electrode of claim 1, wherein the nitrogen-doped graphene layer is in contact with an inside of each of the plurality of pores connected to each other to form the passage channel. Currently amended
The fuel cell electrode of claim 1, wherein the nitrogen-doped graphene layer includes a graphitic nitrogen atom, a pyridinic nitrogen atom or a pyrrolic nitrogen atom. Currently amended
. Canceled
. Canceled
. Canceled
A fuel cell, comprising: an anode electrode; a cathode electrode; an electrolyte interposed between the anode electrode and the cathode electrode, wherein the cathode electrode comprising: a substrate having a first surface and a second surface facing the first surface, wherein the substrate is formed of silicon carbide, and wherein the first surface is in contact with the electrolyte; a passage channel connecting the first surface and the second surface, wherein the passage channel is formed of a plurality of pores connected to each other; and a nitrogen-doped graphene layer disposed within the plurality of pores connected to each other to form the passage channel so that the nitrogen-doped graphene layer covers an inside of the passage channel, [[.]] wherein an air is received from the second surface of the substrate and an oxygen reduction reaction is catalyzed by the nitrogen-doped graphene layer so that the oxygen reduction reaction generates a byproduct including water or elemental oxygen, and wherein the byproduct of the oxygen reduction reaction is discharged from the plurality of pores of the passage channel to the first surface. Currently amended
The fuel cell of claim 11, wherein the electrolyte includes a phosphoric acid solution, a potassium hydroxide solution or water. Original
The fuel cell of claim 11, wherein the substrate is formed of silicon carbide. Currently amended
The fuel cell of claim 11, wherein the nitrogen-doped graphene layer is in contact with an inside of each of the pores. Currently amended
The fuel cell of claim 11, wherein an oxygen reduction reaction is catalyzed by the nitrogen-doped graphene layer so that the oxygen reduction reaction generates a byproduct including water or elemental oxygen. Currently amended
A fuel cell electrode, comprising: a substrate having a first surface and a second surface facing the first surface and including a plurality of pores; a passage channel formed of the plurality of pores connected to each other so that the passage channel penetrates the substrate from the first surface to the second surface; and a nitrogen-doped graphene layer disposed within the plurality of pores of the passage channel so that the nitrogen-doped graphene layer covers an inside of the passage channel, wherein an air is received from the second surface of the substrate and an oxygen reduction reaction is catalyzed by the nitrogen-doped graphene layer so that the oxygen reduction reaction generates a byproduct including water or elemental oxygen, and wherein the byproduct of the oxygen reduction reaction is discharged from the plurality of pores of the passage channel to the first surface. New
The fuel cell electrode of claim 16, further comprising graphite disposed on the first surface of the substrate. New
The fuel cell electrode of claim 16, wherein the nitrogen-doped graphene layer is doped with nitrogen atoms. New
The fuel cell electrode of claim 16, wherein the substrate is formed of silicon carbide or aluminum oxide. New
Layer stacks claimed or described, ordered top of device to substrate.
fuel cell electrode (cathode)
fuel cell
Materials described outside the worked examples.
silicon carbide
SiC
nitrogen-doped graphene
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 2A and 3A). Other electrically conductive materials, such as metals, may be used. In an exemplary embodiment, the graphite lines 38 are drawn on the …
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,050,278Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 schematically illustrates a fuel cell 10 constructed in accordance 5 with an embodiment of the present invention. The fuel cell 10 includes a cathode 12 …
FIGS. 2A and 3A). Other electrically conductive materials, such as metals, may be used. In an exemplary embodiment, the graphite lines 38 are drawn on the …
FIG. 3C, the absorbent material is applied to the surface 40 of the substrate 34. As moisture is withdrawn from the substrate 34 into the absorbent material, a …
FIG. 4, which illustrate a higher concentration of graphene oxide and/or graphite adjacent the surface 36 than the surface 40 because the graphene oxide and …
FIG. 5 is a schematic view of a container housing the matrix, which is 20 subjected to microwave radiation in a gas filled environment;
FIG. 6). In an exemplary embodiment, the entire surface 36 of the substrate 34 may be applied with a layer or layers of graphite. After the graphite lines 38 …
FIGS. 7 A and 7B are graphs showing voltage measurements obtained from a sample cathode device made in accordance with an embodiment of the present invention. …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A fuel cell electrode, comprising: a substrate having a first surface and a second surface facing the first surface, wherein the substrate is formed of silicon carbide; a passage channel connecting the first surface and the second surface, wherein the passage channel is formed of a plurality of pores connected to each other; and a nitrogen-doped graphene layer disposed within the plurality of pores connected to each other to form the passage channel so that the nitrogen-doped graphene layer covers an inside of the passage channel [[.]], wherein an air is received from the second surface of the substrate and an oxygen reduction reaction is catalyzed by the nitrogen-doped graphene layer so that the oxygen reduction reaction generates a byproduct including water or elemental oxygen, and wherein the byproduct of the oxygen reduction reaction is discharged from the plurality of pores of the passage channel to the first surface. Currently amended
The fuel cell electrode of claim 1, further comprising graphite disposed on the first surface of the substrate. Currently amended
The fuel cell electrode of claim 1, wherein the nitrogen-doped graphene layer is doped with nitrogen atoms. Currently amended
The fuel cell electrode of claim 1, wherein the nitrogen-doped graphene layer is in contact with an inside of each of the plurality of pores connected to each other to form the passage channel. Currently amended
The fuel cell electrode of claim 1, wherein the nitrogen-doped graphene layer includes a graphitic nitrogen atom, a pyridinic nitrogen atom or a pyrrolic nitrogen atom. Currently amended
. Canceled
. Canceled
. Canceled
A fuel cell, comprising: an anode electrode; a cathode electrode; an electrolyte interposed between the anode electrode and the cathode electrode, wherein the cathode electrode comprising: a substrate having a first surface and a second surface facing the first surface, wherein the substrate is formed of silicon carbide, and wherein the first surface is in contact with the electrolyte; a passage channel connecting the first surface and the second surface, wherein the passage channel is formed of a plurality of pores connected to each other; and a nitrogen-doped graphene layer disposed within the plurality of pores connected to each other to form the passage channel so that the nitrogen-doped graphene layer covers an inside of the passage channel, [[.]] wherein an air is received from the second surface of the substrate and an oxygen reduction reaction is catalyzed by the nitrogen-doped graphene layer so that the oxygen reduction reaction generates a byproduct including water or elemental oxygen, and wherein the byproduct of the oxygen reduction reaction is discharged from the plurality of pores of the passage channel to the first surface. Currently amended
The fuel cell of claim 11, wherein the electrolyte includes a phosphoric acid solution, a potassium hydroxide solution or water. Original
The fuel cell of claim 11, wherein the substrate is formed of silicon carbide. Currently amended
The fuel cell of claim 11, wherein the nitrogen-doped graphene layer is in contact with an inside of each of the pores. Currently amended
The fuel cell of claim 11, wherein an oxygen reduction reaction is catalyzed by the nitrogen-doped graphene layer so that the oxygen reduction reaction generates a byproduct including water or elemental oxygen. Currently amended
A fuel cell electrode, comprising: a substrate having a first surface and a second surface facing the first surface and including a plurality of pores; a passage channel formed of the plurality of pores connected to each other so that the passage channel penetrates the substrate from the first surface to the second surface; and a nitrogen-doped graphene layer disposed within the plurality of pores of the passage channel so that the nitrogen-doped graphene layer covers an inside of the passage channel, wherein an air is received from the second surface of the substrate and an oxygen reduction reaction is catalyzed by the nitrogen-doped graphene layer so that the oxygen reduction reaction generates a byproduct including water or elemental oxygen, and wherein the byproduct of the oxygen reduction reaction is discharged from the plurality of pores of the passage channel to the first surface. New
The fuel cell electrode of claim 16, further comprising graphite disposed on the first surface of the substrate. New
The fuel cell electrode of claim 16, wherein the nitrogen-doped graphene layer is doped with nitrogen atoms. New
The fuel cell electrode of claim 16, wherein the substrate is formed of silicon carbide or aluminum oxide. New
Layer stacks claimed or described, ordered top of device to substrate.
fuel cell electrode (cathode)
fuel cell
Materials described outside the worked examples.
silicon carbide
SiC
nitrogen-doped graphene
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 2A and 3A). Other electrically conductive materials, such as metals, may be used. In an exemplary embodiment, the graphite lines 38 are drawn on the …
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,050,278Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 schematically illustrates a fuel cell 10 constructed in accordance 5 with an embodiment of the present invention. The fuel cell 10 includes a cathode 12 …
FIGS. 2A and 3A). Other electrically conductive materials, such as metals, may be used. In an exemplary embodiment, the graphite lines 38 are drawn on the …
FIG. 3C, the absorbent material is applied to the surface 40 of the substrate 34. As moisture is withdrawn from the substrate 34 into the absorbent material, a …
FIG. 4, which illustrate a higher concentration of graphene oxide and/or graphite adjacent the surface 36 than the surface 40 because the graphene oxide and …
FIG. 5 is a schematic view of a container housing the matrix, which is 20 subjected to microwave radiation in a gas filled environment;
FIG. 6). In an exemplary embodiment, the entire surface 36 of the substrate 34 may be applied with a layer or layers of graphite. After the graphite lines 38 …
FIGS. 7 A and 7B are graphs showing voltage measurements obtained from a sample cathode device made in accordance with an embodiment of the present invention. …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A fuel cell electrode, comprising: a substrate having a first surface and a second surface facing the first surface, wherein the substrate is formed of silicon carbide; a passage channel connecting the first surface and the second surface, wherein the passage channel is formed of a plurality of pores connected to each other; and a nitrogen-doped graphene layer disposed within the plurality of pores connected to each other to form the passage channel so that the nitrogen-doped graphene layer covers an inside of the passage channel [[.]], wherein an air is received from the second surface of the substrate and an oxygen reduction reaction is catalyzed by the nitrogen-doped graphene layer so that the oxygen reduction reaction generates a byproduct including water or elemental oxygen, and wherein the byproduct of the oxygen reduction reaction is discharged from the plurality of pores of the passage channel to the first surface. Currently amended
The fuel cell electrode of claim 1, further comprising graphite disposed on the first surface of the substrate. Currently amended
The fuel cell electrode of claim 1, wherein the nitrogen-doped graphene layer is doped with nitrogen atoms. Currently amended
The fuel cell electrode of claim 1, wherein the nitrogen-doped graphene layer is in contact with an inside of each of the plurality of pores connected to each other to form the passage channel. Currently amended
The fuel cell electrode of claim 1, wherein the nitrogen-doped graphene layer includes a graphitic nitrogen atom, a pyridinic nitrogen atom or a pyrrolic nitrogen atom. Currently amended
. Canceled
. Canceled
. Canceled
A fuel cell, comprising: an anode electrode; a cathode electrode; an electrolyte interposed between the anode electrode and the cathode electrode, wherein the cathode electrode comprising: a substrate having a first surface and a second surface facing the first surface, wherein the substrate is formed of silicon carbide, and wherein the first surface is in contact with the electrolyte; a passage channel connecting the first surface and the second surface, wherein the passage channel is formed of a plurality of pores connected to each other; and a nitrogen-doped graphene layer disposed within the plurality of pores connected to each other to form the passage channel so that the nitrogen-doped graphene layer covers an inside of the passage channel, [[.]] wherein an air is received from the second surface of the substrate and an oxygen reduction reaction is catalyzed by the nitrogen-doped graphene layer so that the oxygen reduction reaction generates a byproduct including water or elemental oxygen, and wherein the byproduct of the oxygen reduction reaction is discharged from the plurality of pores of the passage channel to the first surface. Currently amended
The fuel cell of claim 11, wherein the electrolyte includes a phosphoric acid solution, a potassium hydroxide solution or water. Original
The fuel cell of claim 11, wherein the substrate is formed of silicon carbide. Currently amended
The fuel cell of claim 11, wherein the nitrogen-doped graphene layer is in contact with an inside of each of the pores. Currently amended
The fuel cell of claim 11, wherein an oxygen reduction reaction is catalyzed by the nitrogen-doped graphene layer so that the oxygen reduction reaction generates a byproduct including water or elemental oxygen. Currently amended
A fuel cell electrode, comprising: a substrate having a first surface and a second surface facing the first surface and including a plurality of pores; a passage channel formed of the plurality of pores connected to each other so that the passage channel penetrates the substrate from the first surface to the second surface; and a nitrogen-doped graphene layer disposed within the plurality of pores of the passage channel so that the nitrogen-doped graphene layer covers an inside of the passage channel, wherein an air is received from the second surface of the substrate and an oxygen reduction reaction is catalyzed by the nitrogen-doped graphene layer so that the oxygen reduction reaction generates a byproduct including water or elemental oxygen, and wherein the byproduct of the oxygen reduction reaction is discharged from the plurality of pores of the passage channel to the first surface. New
The fuel cell electrode of claim 16, further comprising graphite disposed on the first surface of the substrate. New
The fuel cell electrode of claim 16, wherein the nitrogen-doped graphene layer is doped with nitrogen atoms. New
The fuel cell electrode of claim 16, wherein the substrate is formed of silicon carbide or aluminum oxide. New
Layer stacks claimed or described, ordered top of device to substrate.
fuel cell electrode (cathode)
fuel cell
Materials described outside the worked examples.
silicon carbide
SiC
nitrogen-doped graphene
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 2A and 3A). Other electrically conductive materials, such as metals, may be used. In an exemplary embodiment, the graphite lines 38 are drawn on the …
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,050,278Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 schematically illustrates a fuel cell 10 constructed in accordance 5 with an embodiment of the present invention. The fuel cell 10 includes a cathode 12 …
FIGS. 2A and 3A). Other electrically conductive materials, such as metals, may be used. In an exemplary embodiment, the graphite lines 38 are drawn on the …
FIG. 3C, the absorbent material is applied to the surface 40 of the substrate 34. As moisture is withdrawn from the substrate 34 into the absorbent material, a …
FIG. 4, which illustrate a higher concentration of graphene oxide and/or graphite adjacent the surface 36 than the surface 40 because the graphene oxide and …
FIG. 5 is a schematic view of a container housing the matrix, which is 20 subjected to microwave radiation in a gas filled environment;
FIG. 6). In an exemplary embodiment, the entire surface 36 of the substrate 34 may be applied with a layer or layers of graphite. After the graphite lines 38 …
FIGS. 7 A and 7B are graphs showing voltage measurements obtained from a sample cathode device made in accordance with an embodiment of the present invention. …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A fuel cell electrode, comprising: a substrate having a first surface and a second surface facing the first surface, wherein the substrate is formed of silicon carbide; a passage channel connecting the first surface and the second surface, wherein the passage channel is formed of a plurality of pores connected to each other; and a nitrogen-doped graphene layer disposed within the plurality of pores connected to each other to form the passage channel so that the nitrogen-doped graphene layer covers an inside of the passage channel [[.]], wherein an air is received from the second surface of the substrate and an oxygen reduction reaction is catalyzed by the nitrogen-doped graphene layer so that the oxygen reduction reaction generates a byproduct including water or elemental oxygen, and wherein the byproduct of the oxygen reduction reaction is discharged from the plurality of pores of the passage channel to the first surface. Currently amended
The fuel cell electrode of claim 1, further comprising graphite disposed on the first surface of the substrate. Currently amended
The fuel cell electrode of claim 1, wherein the nitrogen-doped graphene layer is doped with nitrogen atoms. Currently amended
The fuel cell electrode of claim 1, wherein the nitrogen-doped graphene layer is in contact with an inside of each of the plurality of pores connected to each other to form the passage channel. Currently amended
The fuel cell electrode of claim 1, wherein the nitrogen-doped graphene layer includes a graphitic nitrogen atom, a pyridinic nitrogen atom or a pyrrolic nitrogen atom. Currently amended
. Canceled
. Canceled
. Canceled
A fuel cell, comprising: an anode electrode; a cathode electrode; an electrolyte interposed between the anode electrode and the cathode electrode, wherein the cathode electrode comprising: a substrate having a first surface and a second surface facing the first surface, wherein the substrate is formed of silicon carbide, and wherein the first surface is in contact with the electrolyte; a passage channel connecting the first surface and the second surface, wherein the passage channel is formed of a plurality of pores connected to each other; and a nitrogen-doped graphene layer disposed within the plurality of pores connected to each other to form the passage channel so that the nitrogen-doped graphene layer covers an inside of the passage channel, [[.]] wherein an air is received from the second surface of the substrate and an oxygen reduction reaction is catalyzed by the nitrogen-doped graphene layer so that the oxygen reduction reaction generates a byproduct including water or elemental oxygen, and wherein the byproduct of the oxygen reduction reaction is discharged from the plurality of pores of the passage channel to the first surface. Currently amended
The fuel cell of claim 11, wherein the electrolyte includes a phosphoric acid solution, a potassium hydroxide solution or water. Original
The fuel cell of claim 11, wherein the substrate is formed of silicon carbide. Currently amended
The fuel cell of claim 11, wherein the nitrogen-doped graphene layer is in contact with an inside of each of the pores. Currently amended
The fuel cell of claim 11, wherein an oxygen reduction reaction is catalyzed by the nitrogen-doped graphene layer so that the oxygen reduction reaction generates a byproduct including water or elemental oxygen. Currently amended
A fuel cell electrode, comprising: a substrate having a first surface and a second surface facing the first surface and including a plurality of pores; a passage channel formed of the plurality of pores connected to each other so that the passage channel penetrates the substrate from the first surface to the second surface; and a nitrogen-doped graphene layer disposed within the plurality of pores of the passage channel so that the nitrogen-doped graphene layer covers an inside of the passage channel, wherein an air is received from the second surface of the substrate and an oxygen reduction reaction is catalyzed by the nitrogen-doped graphene layer so that the oxygen reduction reaction generates a byproduct including water or elemental oxygen, and wherein the byproduct of the oxygen reduction reaction is discharged from the plurality of pores of the passage channel to the first surface. New
The fuel cell electrode of claim 16, further comprising graphite disposed on the first surface of the substrate. New
The fuel cell electrode of claim 16, wherein the nitrogen-doped graphene layer is doped with nitrogen atoms. New
The fuel cell electrode of claim 16, wherein the substrate is formed of silicon carbide or aluminum oxide. New
Layer stacks claimed or described, ordered top of device to substrate.
fuel cell electrode (cathode)
fuel cell
Materials described outside the worked examples.
silicon carbide
SiC
nitrogen-doped graphene
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 2A and 3A). Other electrically conductive materials, such as metals, may be used. In an exemplary embodiment, the graphite lines 38 are drawn on the …
Related documents with shared materials, methods, properties, or citations.
graphite
electrolyte
aluminum oxide
Al₂O₃
graphite
electrolyte
aluminum oxide
Al₂O₃
graphite
electrolyte
aluminum oxide
Al₂O₃
graphite
electrolyte
aluminum oxide
Al₂O₃