Patent
US 10,899,613GRAPHENE-CERAMIC COMPOSITE MEMBRANE FOR HYDROGEN SEPARATION MEMBRANES
Fanglin Chen
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,899,613Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A hydrogen permeation membrane, comprising: a carbon- based material and a ceramic material mixed together, wherein the carbon-based material comprises graphene, graphite, carbon nanotubes, or a combination thereof, and wherein the ceramic material has the formula: B aZri -x-y-C exY\ TO₃-6 SVG 16158366.08-26-2020.KEBMRIL₅LDFLYX3.CLM.1.svg 0.53 3.08 Black and white., SVG 16158366.08-26-2020.KEBMRIL₅LDFLYX3.CLM.2.svg 0.14 0.77 Black and white + +, SVG 16158366.08-26-2020.KEBMRIL₅LDFLYX3.CLM.3.svg 0.15 1.04 Black and white T is Yb, Sc, Ti, Nb, Ta, Mo, Mn, Fe, Co, Ni, Cu, Zn, Ga, In, or a combination thereof. Currently amended
The hydrogen permeation membrane of claim 1, comprising the ceramic material in about % to about 80 % by volume. Original
The hydrogen permeation membrane of claim 1, wherein the hydrogen permeation membrane has a thickness of about 0.0 1 mm to about 10 mm. Original
Canceled
The hydrogen permeation membrane of claim [[4]] 1, wherein the carbon-based material is graphene. Currently amended
The hydrogen permeation membrane of claim [[4]] 1, SVG 16158366.08-26-2020.KEBMRIL₅LDFLYX3.CLM.4.svg 0.13 1.2 Black and white Currently amended
A method of forming a membrane, comprising: mixing a carbon-based material and a ceramic powder to form a carbon-ceramic mixture, wherein the carbon based material comprises graphene, graphite, carbon nanotubes, or a combination thereof; pressing the carbon-ceramic mixture to form a composite membrane; and sintering the carbon-ceramic mixture at a temperature of about 1100 ° C to about 1700 °C, wherein the ceramic powder comprises a ceramic material having the formula: B aZr i-x- y -zC exYyTzO₃-s Where 0<x<0.5,0y0.5, and0<z<0.5.,.,., + + 9; 0 K 5 K 0.5, and T is Yb, Sc, Ti, Nb, Ta, Mo, Mn, Fe, Co, Ni, Cu, Zn, Ga, In, or a combination thereof. Currently amended
The method of claim 7, wherein the carbon-ceramic mixture is sintered in a reducing atmosphere. Original
The method of claim 7, wherein the carbon-based material is SVG 16158366.08-26-2020.KEBMRIL₅LDFLYX3.CLM.5.svg 1.31 6.24 Black and white ceramic powder are mixed such that the carbon-ceramic mixture comprises the ceramic material in amount ranging from about 40 % by volume to about 80 % by volume. Original
The method of claim [[7]] 8 further comprising: heating the carbon-ceramic mixture is in an inert atmosphere prior to sintering in the reducing atmosphere. Currently amended
The method of claim 10, wherein the inert atmosphere comprises N2. Original
The method of claim 10, wherein the inert atmosphere comprises Ar. Original
A method of extracting hydrogen from a feed stream, comprising: exposing the feed stream to a first side of a membrane at a temperature of about 600 °C to about 1000 ° C, wherein the feed stream comprises hydrogen; and collecting pure hydrogen gas from a second side of the membrane opposite of the first side, wherein the membrane comprises a carbon-based material and a ceramic material, wherein the carbon-based material includes graphene, graphite, carbon nanotubes, or a combination thereof, and wherein the ceramic material has the formula: B aZr i-x- y -zC exY y TzO₃-s where 0<x 0.5, 0<y 0.5, and 0<z 0.5.,.,., (x +y+z)> 0; 0 < 6 < 0.5, and T is Yb, Sc, Ti, Nb, Ta, Mo, Mn, Fe, Co, Ni, Cu, Zn, Ga, In, or a combination thereof. Currently amended
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
A graphene-BZCYYb composite membrane was fabricated and sintered by spark plasma sintering (SPS) at 1200 °C. Cross-sectional SEM showed graphene particles (~20 micrometers) embedded in a dense BZCYYb ceramic matrix with grain size ~0.1–0.2 micrometers. The membrane was dense and free of pores. XRD showed only BZCYYb and graphene phases with no reaction between them. EDX confirmed the graphene and BZCYYb regions. Conductivity in different atmospheres was also measured.
Layer stacks claimed or described, ordered top of device to substrate.
hydrogen permeation membrane
Materials described outside the worked examples.
carbon-based material (graphene, graphite, or carbon nanotubes)
BaZr₁-x-y-zCexYyTzO₃-δ (BZCYT ceramic)
BaZr₁-x-y-zCexYyTzO₃-δ
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Hydrogen Flux | 0.0031 mol m-2 s-1 | graphene-BZCYYb composite |
Hydrogen Flux Range | 0.0001–0.01 mol m-2 s-1 |
Patent
Atlas literature
Patent
US 10,899,613Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A hydrogen permeation membrane, comprising: a carbon- based material and a ceramic material mixed together, wherein the carbon-based material comprises graphene, graphite, carbon nanotubes, or a combination thereof, and wherein the ceramic material has the formula: B aZri -x-y-C exY\ TO₃-6 SVG 16158366.08-26-2020.KEBMRIL₅LDFLYX3.CLM.1.svg 0.53 3.08 Black and white., SVG 16158366.08-26-2020.KEBMRIL₅LDFLYX3.CLM.2.svg 0.14 0.77 Black and white + +, SVG 16158366.08-26-2020.KEBMRIL₅LDFLYX3.CLM.3.svg 0.15 1.04 Black and white T is Yb, Sc, Ti, Nb, Ta, Mo, Mn, Fe, Co, Ni, Cu, Zn, Ga, In, or a combination thereof. Currently amended
The hydrogen permeation membrane of claim 1, comprising the ceramic material in about % to about 80 % by volume. Original
The hydrogen permeation membrane of claim 1, wherein the hydrogen permeation membrane has a thickness of about 0.0 1 mm to about 10 mm. Original
Canceled
The hydrogen permeation membrane of claim [[4]] 1, wherein the carbon-based material is graphene. Currently amended
The hydrogen permeation membrane of claim [[4]] 1, SVG 16158366.08-26-2020.KEBMRIL₅LDFLYX3.CLM.4.svg 0.13 1.2 Black and white Currently amended
A method of forming a membrane, comprising: mixing a carbon-based material and a ceramic powder to form a carbon-ceramic mixture, wherein the carbon based material comprises graphene, graphite, carbon nanotubes, or a combination thereof; pressing the carbon-ceramic mixture to form a composite membrane; and sintering the carbon-ceramic mixture at a temperature of about 1100 ° C to about 1700 °C, wherein the ceramic powder comprises a ceramic material having the formula: B aZr i-x- y -zC exYyTzO₃-s Where 0<x<0.5,0y0.5, and0<z<0.5.,.,., + + 9; 0 K 5 K 0.5, and T is Yb, Sc, Ti, Nb, Ta, Mo, Mn, Fe, Co, Ni, Cu, Zn, Ga, In, or a combination thereof. Currently amended
The method of claim 7, wherein the carbon-ceramic mixture is sintered in a reducing atmosphere. Original
The method of claim 7, wherein the carbon-based material is SVG 16158366.08-26-2020.KEBMRIL₅LDFLYX3.CLM.5.svg 1.31 6.24 Black and white ceramic powder are mixed such that the carbon-ceramic mixture comprises the ceramic material in amount ranging from about 40 % by volume to about 80 % by volume. Original
The method of claim [[7]] 8 further comprising: heating the carbon-ceramic mixture is in an inert atmosphere prior to sintering in the reducing atmosphere. Currently amended
The method of claim 10, wherein the inert atmosphere comprises N2. Original
The method of claim 10, wherein the inert atmosphere comprises Ar. Original
A method of extracting hydrogen from a feed stream, comprising: exposing the feed stream to a first side of a membrane at a temperature of about 600 °C to about 1000 ° C, wherein the feed stream comprises hydrogen; and collecting pure hydrogen gas from a second side of the membrane opposite of the first side, wherein the membrane comprises a carbon-based material and a ceramic material, wherein the carbon-based material includes graphene, graphite, carbon nanotubes, or a combination thereof, and wherein the ceramic material has the formula: B aZr i-x- y -zC exY y TzO₃-s where 0<x 0.5, 0<y 0.5, and 0<z 0.5.,.,., (x +y+z)> 0; 0 < 6 < 0.5, and T is Yb, Sc, Ti, Nb, Ta, Mo, Mn, Fe, Co, Ni, Cu, Zn, Ga, In, or a combination thereof. Currently amended
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
A graphene-BZCYYb composite membrane was fabricated and sintered by spark plasma sintering (SPS) at 1200 °C. Cross-sectional SEM showed graphene particles (~20 micrometers) embedded in a dense BZCYYb ceramic matrix with grain size ~0.1–0.2 micrometers. The membrane was dense and free of pores. XRD showed only BZCYYb and graphene phases with no reaction between them. EDX confirmed the graphene and BZCYYb regions. Conductivity in different atmospheres was also measured.
Layer stacks claimed or described, ordered top of device to substrate.
hydrogen permeation membrane
Materials described outside the worked examples.
carbon-based material (graphene, graphite, or carbon nanotubes)
BaZr₁-x-y-zCexYyTzO₃-δ (BZCYT ceramic)
BaZr₁-x-y-zCexYyTzO₃-δ
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Hydrogen Flux | 0.0031 mol m-2 s-1 | graphene-BZCYYb composite |
Hydrogen Flux Range | 0.0001–0.01 mol m-2 s-1 |
Patent
Atlas literature
Patent
US 10,899,613Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A hydrogen permeation membrane, comprising: a carbon- based material and a ceramic material mixed together, wherein the carbon-based material comprises graphene, graphite, carbon nanotubes, or a combination thereof, and wherein the ceramic material has the formula: B aZri -x-y-C exY\ TO₃-6 SVG 16158366.08-26-2020.KEBMRIL₅LDFLYX3.CLM.1.svg 0.53 3.08 Black and white., SVG 16158366.08-26-2020.KEBMRIL₅LDFLYX3.CLM.2.svg 0.14 0.77 Black and white + +, SVG 16158366.08-26-2020.KEBMRIL₅LDFLYX3.CLM.3.svg 0.15 1.04 Black and white T is Yb, Sc, Ti, Nb, Ta, Mo, Mn, Fe, Co, Ni, Cu, Zn, Ga, In, or a combination thereof. Currently amended
The hydrogen permeation membrane of claim 1, comprising the ceramic material in about % to about 80 % by volume. Original
The hydrogen permeation membrane of claim 1, wherein the hydrogen permeation membrane has a thickness of about 0.0 1 mm to about 10 mm. Original
Canceled
The hydrogen permeation membrane of claim [[4]] 1, wherein the carbon-based material is graphene. Currently amended
The hydrogen permeation membrane of claim [[4]] 1, SVG 16158366.08-26-2020.KEBMRIL₅LDFLYX3.CLM.4.svg 0.13 1.2 Black and white Currently amended
A method of forming a membrane, comprising: mixing a carbon-based material and a ceramic powder to form a carbon-ceramic mixture, wherein the carbon based material comprises graphene, graphite, carbon nanotubes, or a combination thereof; pressing the carbon-ceramic mixture to form a composite membrane; and sintering the carbon-ceramic mixture at a temperature of about 1100 ° C to about 1700 °C, wherein the ceramic powder comprises a ceramic material having the formula: B aZr i-x- y -zC exYyTzO₃-s Where 0<x<0.5,0y0.5, and0<z<0.5.,.,., + + 9; 0 K 5 K 0.5, and T is Yb, Sc, Ti, Nb, Ta, Mo, Mn, Fe, Co, Ni, Cu, Zn, Ga, In, or a combination thereof. Currently amended
The method of claim 7, wherein the carbon-ceramic mixture is sintered in a reducing atmosphere. Original
The method of claim 7, wherein the carbon-based material is SVG 16158366.08-26-2020.KEBMRIL₅LDFLYX3.CLM.5.svg 1.31 6.24 Black and white ceramic powder are mixed such that the carbon-ceramic mixture comprises the ceramic material in amount ranging from about 40 % by volume to about 80 % by volume. Original
The method of claim [[7]] 8 further comprising: heating the carbon-ceramic mixture is in an inert atmosphere prior to sintering in the reducing atmosphere. Currently amended
The method of claim 10, wherein the inert atmosphere comprises N2. Original
The method of claim 10, wherein the inert atmosphere comprises Ar. Original
A method of extracting hydrogen from a feed stream, comprising: exposing the feed stream to a first side of a membrane at a temperature of about 600 °C to about 1000 ° C, wherein the feed stream comprises hydrogen; and collecting pure hydrogen gas from a second side of the membrane opposite of the first side, wherein the membrane comprises a carbon-based material and a ceramic material, wherein the carbon-based material includes graphene, graphite, carbon nanotubes, or a combination thereof, and wherein the ceramic material has the formula: B aZr i-x- y -zC exY y TzO₃-s where 0<x 0.5, 0<y 0.5, and 0<z 0.5.,.,., (x +y+z)> 0; 0 < 6 < 0.5, and T is Yb, Sc, Ti, Nb, Ta, Mo, Mn, Fe, Co, Ni, Cu, Zn, Ga, In, or a combination thereof. Currently amended
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
A graphene-BZCYYb composite membrane was fabricated and sintered by spark plasma sintering (SPS) at 1200 °C. Cross-sectional SEM showed graphene particles (~20 micrometers) embedded in a dense BZCYYb ceramic matrix with grain size ~0.1–0.2 micrometers. The membrane was dense and free of pores. XRD showed only BZCYYb and graphene phases with no reaction between them. EDX confirmed the graphene and BZCYYb regions. Conductivity in different atmospheres was also measured.
Layer stacks claimed or described, ordered top of device to substrate.
hydrogen permeation membrane
Materials described outside the worked examples.
carbon-based material (graphene, graphite, or carbon nanotubes)
BaZr₁-x-y-zCexYyTzO₃-δ (BZCYT ceramic)
BaZr₁-x-y-zCexYyTzO₃-δ
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Hydrogen Flux | 0.0031 mol m-2 s-1 | graphene-BZCYYb composite |
Hydrogen Flux Range | 0.0001–0.01 mol m-2 s-1 |
Patent
Atlas literature
Patent
US 10,899,613Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A hydrogen permeation membrane, comprising: a carbon- based material and a ceramic material mixed together, wherein the carbon-based material comprises graphene, graphite, carbon nanotubes, or a combination thereof, and wherein the ceramic material has the formula: B aZri -x-y-C exY\ TO₃-6 SVG 16158366.08-26-2020.KEBMRIL₅LDFLYX3.CLM.1.svg 0.53 3.08 Black and white., SVG 16158366.08-26-2020.KEBMRIL₅LDFLYX3.CLM.2.svg 0.14 0.77 Black and white + +, SVG 16158366.08-26-2020.KEBMRIL₅LDFLYX3.CLM.3.svg 0.15 1.04 Black and white T is Yb, Sc, Ti, Nb, Ta, Mo, Mn, Fe, Co, Ni, Cu, Zn, Ga, In, or a combination thereof. Currently amended
The hydrogen permeation membrane of claim 1, comprising the ceramic material in about % to about 80 % by volume. Original
The hydrogen permeation membrane of claim 1, wherein the hydrogen permeation membrane has a thickness of about 0.0 1 mm to about 10 mm. Original
Canceled
The hydrogen permeation membrane of claim [[4]] 1, wherein the carbon-based material is graphene. Currently amended
The hydrogen permeation membrane of claim [[4]] 1, SVG 16158366.08-26-2020.KEBMRIL₅LDFLYX3.CLM.4.svg 0.13 1.2 Black and white Currently amended
A method of forming a membrane, comprising: mixing a carbon-based material and a ceramic powder to form a carbon-ceramic mixture, wherein the carbon based material comprises graphene, graphite, carbon nanotubes, or a combination thereof; pressing the carbon-ceramic mixture to form a composite membrane; and sintering the carbon-ceramic mixture at a temperature of about 1100 ° C to about 1700 °C, wherein the ceramic powder comprises a ceramic material having the formula: B aZr i-x- y -zC exYyTzO₃-s Where 0<x<0.5,0y0.5, and0<z<0.5.,.,., + + 9; 0 K 5 K 0.5, and T is Yb, Sc, Ti, Nb, Ta, Mo, Mn, Fe, Co, Ni, Cu, Zn, Ga, In, or a combination thereof. Currently amended
The method of claim 7, wherein the carbon-ceramic mixture is sintered in a reducing atmosphere. Original
The method of claim 7, wherein the carbon-based material is SVG 16158366.08-26-2020.KEBMRIL₅LDFLYX3.CLM.5.svg 1.31 6.24 Black and white ceramic powder are mixed such that the carbon-ceramic mixture comprises the ceramic material in amount ranging from about 40 % by volume to about 80 % by volume. Original
The method of claim [[7]] 8 further comprising: heating the carbon-ceramic mixture is in an inert atmosphere prior to sintering in the reducing atmosphere. Currently amended
The method of claim 10, wherein the inert atmosphere comprises N2. Original
The method of claim 10, wherein the inert atmosphere comprises Ar. Original
A method of extracting hydrogen from a feed stream, comprising: exposing the feed stream to a first side of a membrane at a temperature of about 600 °C to about 1000 ° C, wherein the feed stream comprises hydrogen; and collecting pure hydrogen gas from a second side of the membrane opposite of the first side, wherein the membrane comprises a carbon-based material and a ceramic material, wherein the carbon-based material includes graphene, graphite, carbon nanotubes, or a combination thereof, and wherein the ceramic material has the formula: B aZr i-x- y -zC exY y TzO₃-s where 0<x 0.5, 0<y 0.5, and 0<z 0.5.,.,., (x +y+z)> 0; 0 < 6 < 0.5, and T is Yb, Sc, Ti, Nb, Ta, Mo, Mn, Fe, Co, Ni, Cu, Zn, Ga, In, or a combination thereof. Currently amended
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
A graphene-BZCYYb composite membrane was fabricated and sintered by spark plasma sintering (SPS) at 1200 °C. Cross-sectional SEM showed graphene particles (~20 micrometers) embedded in a dense BZCYYb ceramic matrix with grain size ~0.1–0.2 micrometers. The membrane was dense and free of pores. XRD showed only BZCYYb and graphene phases with no reaction between them. EDX confirmed the graphene and BZCYYb regions. Conductivity in different atmospheres was also measured.
Layer stacks claimed or described, ordered top of device to substrate.
hydrogen permeation membrane
Materials described outside the worked examples.
carbon-based material (graphene, graphite, or carbon nanotubes)
BaZr₁-x-y-zCexYyTzO₃-δ (BZCYT ceramic)
BaZr₁-x-y-zCexYyTzO₃-δ
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Hydrogen Flux | 0.0031 mol m-2 s-1 | graphene-BZCYYb composite |
Hydrogen Flux Range | 0.0001–0.01 mol m-2 s-1 |
graphene-BZCYYb composite
Electrical Conductivity | 300–500 S cm⁻¹ | graphene-BZCYYb composite |
Membrane Thickness | 0.1–5 mm | — |
Temperature | 700–1200 °C | — |
Pressure | 1–1000 psi | — |
Temperature | 600–1200 °C | — |
Thickness | 0.1–0.2 µm | — |
Thickness | 0.25–4 mm | — |
Thickness | 0.5–2 mm | — |
Temperature | 650–1100 °C | — |
Pressure | 1 atm | — |
Thickness | 0.1–100 nm | — |
Thickness | 1–10 mm | — |
Temperature | 1100–1700 °C | — |
Temperature | 600–1000 °C | — |
graphene-BZCYYb composite
Electrical Conductivity | 300–500 S cm⁻¹ | graphene-BZCYYb composite |
Membrane Thickness | 0.1–5 mm | — |
Temperature | 700–1200 °C | — |
Pressure | 1–1000 psi | — |
Temperature | 600–1200 °C | — |
Thickness | 0.1–0.2 µm | — |
Thickness | 0.25–4 mm | — |
Thickness | 0.5–2 mm | — |
Temperature | 650–1100 °C | — |
Pressure | 1 atm | — |
Thickness | 0.1–100 nm | — |
Thickness | 1–10 mm | — |
Temperature | 1100–1700 °C | — |
Temperature | 600–1000 °C | — |
graphene-BZCYYb composite
Electrical Conductivity | 300–500 S cm⁻¹ | graphene-BZCYYb composite |
Membrane Thickness | 0.1–5 mm | — |
Temperature | 700–1200 °C | — |
Pressure | 1–1000 psi | — |
Temperature | 600–1200 °C | — |
Thickness | 0.1–0.2 µm | — |
Thickness | 0.25–4 mm | — |
Thickness | 0.5–2 mm | — |
Temperature | 650–1100 °C | — |
Pressure | 1 atm | — |
Thickness | 0.1–100 nm | — |
Thickness | 1–10 mm | — |
Temperature | 1100–1700 °C | — |
Temperature | 600–1000 °C | — |
graphene-BZCYYb composite
Electrical Conductivity | 300–500 S cm⁻¹ | graphene-BZCYYb composite |
Membrane Thickness | 0.1–5 mm | — |
Temperature | 700–1200 °C | — |
Pressure | 1–1000 psi | — |
Temperature | 600–1200 °C | — |
Thickness | 0.1–0.2 µm | — |
Thickness | 0.25–4 mm | — |
Thickness | 0.5–2 mm | — |
Temperature | 650–1100 °C | — |
Pressure | 1 atm | — |
Thickness | 0.1–100 nm | — |
Thickness | 1–10 mm | — |
Temperature | 1100–1700 °C | — |
Temperature | 600–1000 °C | — |