Patent
US 9,963,570METHOD OF FORMING CARBON NANOTUBE OR GRAPHENE-BASED AEROGELS
LEI ZHAI
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,963,570Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 B is a listing that provides some example aromatic molecules with cross linkable groups that can be used to form disclosed aerogels, according to an …
FIG. 2A is a simplified schematic illustration of the structure of example supramolecular structures formed by poly(3-hexylthiophene) (P₃HT)-b-Poly [3- …
FIG. 3 shows the percolation threshold of MWCNTs as a function of molecular weight of PTMSPMA (M nPTMSPMA) with a solid cycle (") and solid line (-) …
FIG. 4B. A median size of the honeycomb cells 410 is generally in a range from 20 to 500 p m and a thickness of the honeycomb walls 414 is generally from 50 to …
FIG. 5A represented a IUPAC type IV curve, characteristic of mesoporous (2-50 nm pore diameter) materials. The explicit adsorption/desorption hysteresis loop …
FIG. 6 shows MWCNT aerogel electrical conductivity with the number of 15 ms 100 mA current pulses applied, according to an embodiment of the invention. The …
FIG. 7C shows a simplified schematic for an example aerogel-based pressure sensor, according to an embodiment of the invention. [0023]
FIG. 8C shows a simplified schematic for an example aerogel-based chemical vapor sensor, according to an embodiment of the invention.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Cu rr ently amended) A method of forming aerogels, comprising: mixing a plurality of polymers or aromatic molecules, a solvent, and a plurality of carbon nanotubes (CNTs) or graphene comprising structures to form a mixture, wherein said plurality of polymers or aromatic molecules have at least one crosslinkable structure and disperse and stabilize said CNTs or said graphene comprising structures to provide individual units in solution; crosslinking between said crosslinkable structures to form ing a solid gel comprising a plurality of supramolecular structures from said mixture, said plurality of supramolecular structures comprising said plurality of polymers or aromatic molecules secured by n-n bonds to an outer surface of said CNT or said graphene comprising structures, wherein said solid gel includes a portion of said solvent trapped therein, and drying after said crosslinking to remove said solvent trapped therein to form said SVG 14606709.02-13-2017.IZ₄CNS₄BRXEAPX3.CLM.1.svg 0.15 0.52 Black and white
The method of claim 1, wherein said crosslinking comprises hydrolysis and condensation, irradiation, or thermal inducement.
The method of claim 1, wherein said plurality of polymers comprises block copolymers comprising at least one conjugated polymer block and at least one block of a crosslinkable nonconjugated polymer that provides said crosslinkable structure, wherein said conjugated polymer block is non-covalently bonded to said outer surface of said CNT or said graphene comprising structures, and wherein said mixture comprises a liquid dispersion.
The method of claim 1, wherein said plurality of polymers or aromatic molecules comprises said aromatic molecules, and wherein said aromatic molecules comprise a plurality of fused benzene rings or a heterocyclic macrocycle.
The method of claim 1, wherein said aerogel provides a surface area > 300 m 2/g, a density < 15 mg/cm 3, and a 25 ° C electrical conductivity > 1 x 10- 4 S/cm.
The method of claim 1, wherein said aerogel comprises a macroporous honeycomb structure comprising honeycomb cells having honeycomb walls, said honeycomb walls comprising a plurality of said CNTs entangled together.
The method of claim 1, wherein said drying comprises critical-point-drying or lyophilization.
Layer stacks claimed or described, ordered top of device to substrate.
CNT or graphene-based aerogel
Materials described outside the worked examples.
carbon nanotubes (CNTs)
graphene comprising structures
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4B. A median size of the honeycomb cells 410 is generally in a range from 20 to 500 p m and a thickness of the honeycomb walls 414 is generally from 50 to …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
BET surface area of claimed aerogel | ≥ 300 m2/g | — |
bulk density of claimed aerogel | ≤ 15 mg/cm3 | — |
25°C electrical conductivity of claimed aerogel |
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US 9,963,570Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 B is a listing that provides some example aromatic molecules with cross linkable groups that can be used to form disclosed aerogels, according to an …
FIG. 2A is a simplified schematic illustration of the structure of example supramolecular structures formed by poly(3-hexylthiophene) (P₃HT)-b-Poly [3- …
FIG. 3 shows the percolation threshold of MWCNTs as a function of molecular weight of PTMSPMA (M nPTMSPMA) with a solid cycle (") and solid line (-) …
FIG. 4B. A median size of the honeycomb cells 410 is generally in a range from 20 to 500 p m and a thickness of the honeycomb walls 414 is generally from 50 to …
FIG. 5A represented a IUPAC type IV curve, characteristic of mesoporous (2-50 nm pore diameter) materials. The explicit adsorption/desorption hysteresis loop …
FIG. 6 shows MWCNT aerogel electrical conductivity with the number of 15 ms 100 mA current pulses applied, according to an embodiment of the invention. The …
FIG. 7C shows a simplified schematic for an example aerogel-based pressure sensor, according to an embodiment of the invention. [0023]
FIG. 8C shows a simplified schematic for an example aerogel-based chemical vapor sensor, according to an embodiment of the invention.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Cu rr ently amended) A method of forming aerogels, comprising: mixing a plurality of polymers or aromatic molecules, a solvent, and a plurality of carbon nanotubes (CNTs) or graphene comprising structures to form a mixture, wherein said plurality of polymers or aromatic molecules have at least one crosslinkable structure and disperse and stabilize said CNTs or said graphene comprising structures to provide individual units in solution; crosslinking between said crosslinkable structures to form ing a solid gel comprising a plurality of supramolecular structures from said mixture, said plurality of supramolecular structures comprising said plurality of polymers or aromatic molecules secured by n-n bonds to an outer surface of said CNT or said graphene comprising structures, wherein said solid gel includes a portion of said solvent trapped therein, and drying after said crosslinking to remove said solvent trapped therein to form said SVG 14606709.02-13-2017.IZ₄CNS₄BRXEAPX3.CLM.1.svg 0.15 0.52 Black and white
The method of claim 1, wherein said crosslinking comprises hydrolysis and condensation, irradiation, or thermal inducement.
The method of claim 1, wherein said plurality of polymers comprises block copolymers comprising at least one conjugated polymer block and at least one block of a crosslinkable nonconjugated polymer that provides said crosslinkable structure, wherein said conjugated polymer block is non-covalently bonded to said outer surface of said CNT or said graphene comprising structures, and wherein said mixture comprises a liquid dispersion.
The method of claim 1, wherein said plurality of polymers or aromatic molecules comprises said aromatic molecules, and wherein said aromatic molecules comprise a plurality of fused benzene rings or a heterocyclic macrocycle.
The method of claim 1, wherein said aerogel provides a surface area > 300 m 2/g, a density < 15 mg/cm 3, and a 25 ° C electrical conductivity > 1 x 10- 4 S/cm.
The method of claim 1, wherein said aerogel comprises a macroporous honeycomb structure comprising honeycomb cells having honeycomb walls, said honeycomb walls comprising a plurality of said CNTs entangled together.
The method of claim 1, wherein said drying comprises critical-point-drying or lyophilization.
Layer stacks claimed or described, ordered top of device to substrate.
CNT or graphene-based aerogel
Materials described outside the worked examples.
carbon nanotubes (CNTs)
graphene comprising structures
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4B. A median size of the honeycomb cells 410 is generally in a range from 20 to 500 p m and a thickness of the honeycomb walls 414 is generally from 50 to …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
BET surface area of claimed aerogel | ≥ 300 m2/g | — |
bulk density of claimed aerogel | ≤ 15 mg/cm3 | — |
25°C electrical conductivity of claimed aerogel |
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US 9,963,570Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 B is a listing that provides some example aromatic molecules with cross linkable groups that can be used to form disclosed aerogels, according to an …
FIG. 2A is a simplified schematic illustration of the structure of example supramolecular structures formed by poly(3-hexylthiophene) (P₃HT)-b-Poly [3- …
FIG. 3 shows the percolation threshold of MWCNTs as a function of molecular weight of PTMSPMA (M nPTMSPMA) with a solid cycle (") and solid line (-) …
FIG. 4B. A median size of the honeycomb cells 410 is generally in a range from 20 to 500 p m and a thickness of the honeycomb walls 414 is generally from 50 to …
FIG. 5A represented a IUPAC type IV curve, characteristic of mesoporous (2-50 nm pore diameter) materials. The explicit adsorption/desorption hysteresis loop …
FIG. 6 shows MWCNT aerogel electrical conductivity with the number of 15 ms 100 mA current pulses applied, according to an embodiment of the invention. The …
FIG. 7C shows a simplified schematic for an example aerogel-based pressure sensor, according to an embodiment of the invention. [0023]
FIG. 8C shows a simplified schematic for an example aerogel-based chemical vapor sensor, according to an embodiment of the invention.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Cu rr ently amended) A method of forming aerogels, comprising: mixing a plurality of polymers or aromatic molecules, a solvent, and a plurality of carbon nanotubes (CNTs) or graphene comprising structures to form a mixture, wherein said plurality of polymers or aromatic molecules have at least one crosslinkable structure and disperse and stabilize said CNTs or said graphene comprising structures to provide individual units in solution; crosslinking between said crosslinkable structures to form ing a solid gel comprising a plurality of supramolecular structures from said mixture, said plurality of supramolecular structures comprising said plurality of polymers or aromatic molecules secured by n-n bonds to an outer surface of said CNT or said graphene comprising structures, wherein said solid gel includes a portion of said solvent trapped therein, and drying after said crosslinking to remove said solvent trapped therein to form said SVG 14606709.02-13-2017.IZ₄CNS₄BRXEAPX3.CLM.1.svg 0.15 0.52 Black and white
The method of claim 1, wherein said crosslinking comprises hydrolysis and condensation, irradiation, or thermal inducement.
The method of claim 1, wherein said plurality of polymers comprises block copolymers comprising at least one conjugated polymer block and at least one block of a crosslinkable nonconjugated polymer that provides said crosslinkable structure, wherein said conjugated polymer block is non-covalently bonded to said outer surface of said CNT or said graphene comprising structures, and wherein said mixture comprises a liquid dispersion.
The method of claim 1, wherein said plurality of polymers or aromatic molecules comprises said aromatic molecules, and wherein said aromatic molecules comprise a plurality of fused benzene rings or a heterocyclic macrocycle.
The method of claim 1, wherein said aerogel provides a surface area > 300 m 2/g, a density < 15 mg/cm 3, and a 25 ° C electrical conductivity > 1 x 10- 4 S/cm.
The method of claim 1, wherein said aerogel comprises a macroporous honeycomb structure comprising honeycomb cells having honeycomb walls, said honeycomb walls comprising a plurality of said CNTs entangled together.
The method of claim 1, wherein said drying comprises critical-point-drying or lyophilization.
Layer stacks claimed or described, ordered top of device to substrate.
CNT or graphene-based aerogel
Materials described outside the worked examples.
carbon nanotubes (CNTs)
graphene comprising structures
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4B. A median size of the honeycomb cells 410 is generally in a range from 20 to 500 p m and a thickness of the honeycomb walls 414 is generally from 50 to …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
BET surface area of claimed aerogel | ≥ 300 m2/g | — |
bulk density of claimed aerogel | ≤ 15 mg/cm3 | — |
25°C electrical conductivity of claimed aerogel |
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US 9,963,570Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 B is a listing that provides some example aromatic molecules with cross linkable groups that can be used to form disclosed aerogels, according to an …
FIG. 2A is a simplified schematic illustration of the structure of example supramolecular structures formed by poly(3-hexylthiophene) (P₃HT)-b-Poly [3- …
FIG. 3 shows the percolation threshold of MWCNTs as a function of molecular weight of PTMSPMA (M nPTMSPMA) with a solid cycle (") and solid line (-) …
FIG. 4B. A median size of the honeycomb cells 410 is generally in a range from 20 to 500 p m and a thickness of the honeycomb walls 414 is generally from 50 to …
FIG. 5A represented a IUPAC type IV curve, characteristic of mesoporous (2-50 nm pore diameter) materials. The explicit adsorption/desorption hysteresis loop …
FIG. 6 shows MWCNT aerogel electrical conductivity with the number of 15 ms 100 mA current pulses applied, according to an embodiment of the invention. The …
FIG. 7C shows a simplified schematic for an example aerogel-based pressure sensor, according to an embodiment of the invention. [0023]
FIG. 8C shows a simplified schematic for an example aerogel-based chemical vapor sensor, according to an embodiment of the invention.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Cu rr ently amended) A method of forming aerogels, comprising: mixing a plurality of polymers or aromatic molecules, a solvent, and a plurality of carbon nanotubes (CNTs) or graphene comprising structures to form a mixture, wherein said plurality of polymers or aromatic molecules have at least one crosslinkable structure and disperse and stabilize said CNTs or said graphene comprising structures to provide individual units in solution; crosslinking between said crosslinkable structures to form ing a solid gel comprising a plurality of supramolecular structures from said mixture, said plurality of supramolecular structures comprising said plurality of polymers or aromatic molecules secured by n-n bonds to an outer surface of said CNT or said graphene comprising structures, wherein said solid gel includes a portion of said solvent trapped therein, and drying after said crosslinking to remove said solvent trapped therein to form said SVG 14606709.02-13-2017.IZ₄CNS₄BRXEAPX3.CLM.1.svg 0.15 0.52 Black and white
The method of claim 1, wherein said crosslinking comprises hydrolysis and condensation, irradiation, or thermal inducement.
The method of claim 1, wherein said plurality of polymers comprises block copolymers comprising at least one conjugated polymer block and at least one block of a crosslinkable nonconjugated polymer that provides said crosslinkable structure, wherein said conjugated polymer block is non-covalently bonded to said outer surface of said CNT or said graphene comprising structures, and wherein said mixture comprises a liquid dispersion.
The method of claim 1, wherein said plurality of polymers or aromatic molecules comprises said aromatic molecules, and wherein said aromatic molecules comprise a plurality of fused benzene rings or a heterocyclic macrocycle.
The method of claim 1, wherein said aerogel provides a surface area > 300 m 2/g, a density < 15 mg/cm 3, and a 25 ° C electrical conductivity > 1 x 10- 4 S/cm.
The method of claim 1, wherein said aerogel comprises a macroporous honeycomb structure comprising honeycomb cells having honeycomb walls, said honeycomb walls comprising a plurality of said CNTs entangled together.
The method of claim 1, wherein said drying comprises critical-point-drying or lyophilization.
Layer stacks claimed or described, ordered top of device to substrate.
CNT or graphene-based aerogel
Materials described outside the worked examples.
carbon nanotubes (CNTs)
graphene comprising structures
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4B. A median size of the honeycomb cells 410 is generally in a range from 20 to 500 p m and a thickness of the honeycomb walls 414 is generally from 50 to …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
BET surface area of claimed aerogel | ≥ 300 m2/g | — |
bulk density of claimed aerogel | ≤ 15 mg/cm3 | — |
25°C electrical conductivity of claimed aerogel |
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polymers or aromatic molecules with crosslinkable structure
block copolymers comprising conjugated polymer block and crosslinkable non-conjugated polymer block
conjugated polymer block
crosslinkable non-conjugated polymer
aromatic molecules comprising fused benzene rings or heterocyclic macrocycle
poly(3-hexylthiophene) (P₃HT)
poly(3-(trimethoxysilyl)propyl methacrylate) (PTMSPMA)
multi-walled carbon nanotubes (MWCNTs)
single wall carbon nanotubes (SWCNTs)
graphite oxide (GO)
reduced graphite oxide (RGO)
FIG. 5A represented a IUPAC type IV curve, characteristic of mesoporous (2-50 nm pore diameter) materials. The explicit adsorption/desorption hysteresis loop …
FIG. 5A represented a IUPAC type IV curve, characteristic of mesoporous (2-50 nm pore diameter) materials. The explicit adsorption/desorption hysteresis loop …
FIG. 6 shows MWCNT aerogel electrical conductivity with the number of 15 ms 100 mA current pulses applied, according to an embodiment of the invention. The …
| ≥ 0.0001 S/cm |
| — |
25°C electrical conductivity after high-current pulse treatment | ≥ 0.1 S/cm | — |
aerogel density definition per summary | ≤ 500 mg/cm3 | — |
Thickness | 50–500 nm | — |
Pressure | 0–180 Pa | — |
Thickness | 10–20 nm | — |
Thickness | 2–50 nm | — |
Thickness | ≤ 1 nm | — |
Pressure | ≥ 180 Pa | — |
Duration | ≤ 1 second | — |
Thickness | ≥ 1 nm | — |
polymers or aromatic molecules with crosslinkable structure
block copolymers comprising conjugated polymer block and crosslinkable non-conjugated polymer block
conjugated polymer block
crosslinkable non-conjugated polymer
aromatic molecules comprising fused benzene rings or heterocyclic macrocycle
poly(3-hexylthiophene) (P₃HT)
poly(3-(trimethoxysilyl)propyl methacrylate) (PTMSPMA)
multi-walled carbon nanotubes (MWCNTs)
single wall carbon nanotubes (SWCNTs)
graphite oxide (GO)
reduced graphite oxide (RGO)
FIG. 5A represented a IUPAC type IV curve, characteristic of mesoporous (2-50 nm pore diameter) materials. The explicit adsorption/desorption hysteresis loop …
FIG. 5A represented a IUPAC type IV curve, characteristic of mesoporous (2-50 nm pore diameter) materials. The explicit adsorption/desorption hysteresis loop …
FIG. 6 shows MWCNT aerogel electrical conductivity with the number of 15 ms 100 mA current pulses applied, according to an embodiment of the invention. The …
| ≥ 0.0001 S/cm |
| — |
25°C electrical conductivity after high-current pulse treatment | ≥ 0.1 S/cm | — |
aerogel density definition per summary | ≤ 500 mg/cm3 | — |
Thickness | 50–500 nm | — |
Pressure | 0–180 Pa | — |
Thickness | 10–20 nm | — |
Thickness | 2–50 nm | — |
Thickness | ≤ 1 nm | — |
Pressure | ≥ 180 Pa | — |
Duration | ≤ 1 second | — |
Thickness | ≥ 1 nm | — |
polymers or aromatic molecules with crosslinkable structure
block copolymers comprising conjugated polymer block and crosslinkable non-conjugated polymer block
conjugated polymer block
crosslinkable non-conjugated polymer
aromatic molecules comprising fused benzene rings or heterocyclic macrocycle
poly(3-hexylthiophene) (P₃HT)
poly(3-(trimethoxysilyl)propyl methacrylate) (PTMSPMA)
multi-walled carbon nanotubes (MWCNTs)
single wall carbon nanotubes (SWCNTs)
graphite oxide (GO)
reduced graphite oxide (RGO)
FIG. 5A represented a IUPAC type IV curve, characteristic of mesoporous (2-50 nm pore diameter) materials. The explicit adsorption/desorption hysteresis loop …
FIG. 5A represented a IUPAC type IV curve, characteristic of mesoporous (2-50 nm pore diameter) materials. The explicit adsorption/desorption hysteresis loop …
FIG. 6 shows MWCNT aerogel electrical conductivity with the number of 15 ms 100 mA current pulses applied, according to an embodiment of the invention. The …
| ≥ 0.0001 S/cm |
| — |
25°C electrical conductivity after high-current pulse treatment | ≥ 0.1 S/cm | — |
aerogel density definition per summary | ≤ 500 mg/cm3 | — |
Thickness | 50–500 nm | — |
Pressure | 0–180 Pa | — |
Thickness | 10–20 nm | — |
Thickness | 2–50 nm | — |
Thickness | ≤ 1 nm | — |
Pressure | ≥ 180 Pa | — |
Duration | ≤ 1 second | — |
Thickness | ≥ 1 nm | — |
polymers or aromatic molecules with crosslinkable structure
block copolymers comprising conjugated polymer block and crosslinkable non-conjugated polymer block
conjugated polymer block
crosslinkable non-conjugated polymer
aromatic molecules comprising fused benzene rings or heterocyclic macrocycle
poly(3-hexylthiophene) (P₃HT)
poly(3-(trimethoxysilyl)propyl methacrylate) (PTMSPMA)
multi-walled carbon nanotubes (MWCNTs)
single wall carbon nanotubes (SWCNTs)
graphite oxide (GO)
reduced graphite oxide (RGO)
FIG. 5A represented a IUPAC type IV curve, characteristic of mesoporous (2-50 nm pore diameter) materials. The explicit adsorption/desorption hysteresis loop …
FIG. 5A represented a IUPAC type IV curve, characteristic of mesoporous (2-50 nm pore diameter) materials. The explicit adsorption/desorption hysteresis loop …
FIG. 6 shows MWCNT aerogel electrical conductivity with the number of 15 ms 100 mA current pulses applied, according to an embodiment of the invention. The …
| ≥ 0.0001 S/cm |
| — |
25°C electrical conductivity after high-current pulse treatment | ≥ 0.1 S/cm | — |
aerogel density definition per summary | ≤ 500 mg/cm3 | — |
Thickness | 50–500 nm | — |
Pressure | 0–180 Pa | — |
Thickness | 10–20 nm | — |
Thickness | 2–50 nm | — |
Thickness | ≤ 1 nm | — |
Pressure | ≥ 180 Pa | — |
Duration | ≤ 1 second | — |
Thickness | ≥ 1 nm | — |