Patent
US 9,947,926METHOD OF FORMING NITROGEN-DOPED POROUS GRAPHENE ENVELOPE
Hee-yeon KIM
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,947,926Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 shows the result of TEM analysis of a nitrogen-doped graphene envelope according to
FIG. 2 shows the result of TEM analysis of a graphene 15 envelope according to Comparative Example 1
FIG. 3 shows the result of TEM analysis of a nitrogen-doped graphene envelope according to Example 5
FIG. 4 is a graph showing the result of cyclic voltammetry of Comparative Example 2 (commercial 20 catalyst);
FIGS. 5 to 7, it can be confirmed that the reaction activity is reduced by about 12 % after 5 1000 cycles in Example 1, the reaction activity is reduced by …
FIG. 8 is a graph showing the result of cyclic 25 voltammetry of a catalyst synthesized in Comparative 12 Example 1
FIG. 9, it was confirmed that the long-term durability of the catalyst synthesized in Example 4 was excellent. Test Example 5: Performance test of a secondary …
FIGS. 10 and 11 and 15 Table 1 As for the test results, when the carbon coating layer (graphene envelope) had a thickness of 10 nm or less and included less …
FIG. 11 shows the result of the charging and 10 discharging test of an electrode for a secondary battery, which is manufactured using silicon nanoparticles …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of forming a nitrogen-doped porous graphene envelope, the method comprising: (S 1) vaporizing an organic precursor and a nitrogen precursor to form the graphene envelope in a vaporizer; (S₂) providing substrate particles in a reactor, in which synthesis is to be performed, and then heating the reactor to increase a temperature to a final reaction temperature; and (S₃) supplying the organic precursor and the nitrogen precursor of step (S 1) using a carrier gas to the reactor of step (S₂) and maintaining the reactor for a predetermined time, wherein the organic precursor is a liquid precursor selected from the group consisting of ethanol, methanol, acetylene, and acetone, and wherein the nitrogen precursor is pyridine. Currently amended
The method of claim 1, wherein the substrate particles are a platinum- supported carbon black catalyst, metal nanoparticles for catalyst reforming, or silicon nanoparticles for a secondary battery electrode. Original
The method of claim 1, wherein the step (S 1) includes vaporizing a precursor solution which includes the nitrogen precursor dissolved in the organic precursor. Original
The method of claim 1, wherein the temperature of the reactor is increased to 400 to 1100 * C during the step (S₂). Original
The method of claim 1, wherein the carrier gas is an oxygen, hydrogen, argon, helium, or nitrogen gas. Original
A method of formin g a nitrogen-doped porous g raphene envelope, the method comprising: (S 1) vaporizin g an organic precursor and a nitrogen precursor to form the graphene envelope in a vaporizer; (S₂) providing substrate particles in a reactor, in which synthesis is to be performed, and then heating the reactor to increase a temperature to a final reaction temperature; and (S₃) supplyin g the organic precursor and the nitrogen precursor of step (S 1) usin g a carrier g as to the reactor of step (S₂) and maintainin g the reactor for a predetermined time, wherein the organic precursor is a li q uid precursor selected from the group consistin g of ethanol, methanol, acetylene, and acetone, wherein the substrate particles are metal nanoparticles for catalyst reforming, and wherein the metal nanoparticles are nickel-supported alumina particles. Currently amended
. Canceled
Canceled
Materials described outside the worked examples.
ethanol
C₂H₅OH
methanol
CH₃OH
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1 shows the result of TEM analysis of a nitrogen-doped graphene envelope according to
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
reactor temperature range during step S2 | 400–1100 °C | — |
reactor maintenance time during step S3 | 0.167–30 min | — |
nitrogen precursor concentration in precursor solution |
Related documents with shared materials, methods, properties, or citations.
NANOCRYSTALLINE GRAPHENE AND METHOD OF FORMING NANOCRYSTALLINE GRAPHENE
HIGH STRENGTH POLYMER FILAMENT FOR FDM 3D PRINTER INCLUDING GRAPHENE COATED METAL NANOPARTICLES, NANOCARBONS FOR 3D PRINTER, AND PREPARATION METHOD OF THE SAME
Patent
Atlas literature
Patent
US 9,947,926Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 shows the result of TEM analysis of a nitrogen-doped graphene envelope according to
FIG. 2 shows the result of TEM analysis of a graphene 15 envelope according to Comparative Example 1
FIG. 3 shows the result of TEM analysis of a nitrogen-doped graphene envelope according to Example 5
FIG. 4 is a graph showing the result of cyclic voltammetry of Comparative Example 2 (commercial 20 catalyst);
FIGS. 5 to 7, it can be confirmed that the reaction activity is reduced by about 12 % after 5 1000 cycles in Example 1, the reaction activity is reduced by …
FIG. 8 is a graph showing the result of cyclic 25 voltammetry of a catalyst synthesized in Comparative 12 Example 1
FIG. 9, it was confirmed that the long-term durability of the catalyst synthesized in Example 4 was excellent. Test Example 5: Performance test of a secondary …
FIGS. 10 and 11 and 15 Table 1 As for the test results, when the carbon coating layer (graphene envelope) had a thickness of 10 nm or less and included less …
FIG. 11 shows the result of the charging and 10 discharging test of an electrode for a secondary battery, which is manufactured using silicon nanoparticles …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of forming a nitrogen-doped porous graphene envelope, the method comprising: (S 1) vaporizing an organic precursor and a nitrogen precursor to form the graphene envelope in a vaporizer; (S₂) providing substrate particles in a reactor, in which synthesis is to be performed, and then heating the reactor to increase a temperature to a final reaction temperature; and (S₃) supplying the organic precursor and the nitrogen precursor of step (S 1) using a carrier gas to the reactor of step (S₂) and maintaining the reactor for a predetermined time, wherein the organic precursor is a liquid precursor selected from the group consisting of ethanol, methanol, acetylene, and acetone, and wherein the nitrogen precursor is pyridine. Currently amended
The method of claim 1, wherein the substrate particles are a platinum- supported carbon black catalyst, metal nanoparticles for catalyst reforming, or silicon nanoparticles for a secondary battery electrode. Original
The method of claim 1, wherein the step (S 1) includes vaporizing a precursor solution which includes the nitrogen precursor dissolved in the organic precursor. Original
The method of claim 1, wherein the temperature of the reactor is increased to 400 to 1100 * C during the step (S₂). Original
The method of claim 1, wherein the carrier gas is an oxygen, hydrogen, argon, helium, or nitrogen gas. Original
A method of formin g a nitrogen-doped porous g raphene envelope, the method comprising: (S 1) vaporizin g an organic precursor and a nitrogen precursor to form the graphene envelope in a vaporizer; (S₂) providing substrate particles in a reactor, in which synthesis is to be performed, and then heating the reactor to increase a temperature to a final reaction temperature; and (S₃) supplyin g the organic precursor and the nitrogen precursor of step (S 1) usin g a carrier g as to the reactor of step (S₂) and maintainin g the reactor for a predetermined time, wherein the organic precursor is a li q uid precursor selected from the group consistin g of ethanol, methanol, acetylene, and acetone, wherein the substrate particles are metal nanoparticles for catalyst reforming, and wherein the metal nanoparticles are nickel-supported alumina particles. Currently amended
. Canceled
Canceled
Materials described outside the worked examples.
ethanol
C₂H₅OH
methanol
CH₃OH
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1 shows the result of TEM analysis of a nitrogen-doped graphene envelope according to
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
reactor temperature range during step S2 | 400–1100 °C | — |
reactor maintenance time during step S3 | 0.167–30 min | — |
nitrogen precursor concentration in precursor solution |
Related documents with shared materials, methods, properties, or citations.
NANOCRYSTALLINE GRAPHENE AND METHOD OF FORMING NANOCRYSTALLINE GRAPHENE
HIGH STRENGTH POLYMER FILAMENT FOR FDM 3D PRINTER INCLUDING GRAPHENE COATED METAL NANOPARTICLES, NANOCARBONS FOR 3D PRINTER, AND PREPARATION METHOD OF THE SAME
Patent
Atlas literature
Patent
US 9,947,926Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 shows the result of TEM analysis of a nitrogen-doped graphene envelope according to
FIG. 2 shows the result of TEM analysis of a graphene 15 envelope according to Comparative Example 1
FIG. 3 shows the result of TEM analysis of a nitrogen-doped graphene envelope according to Example 5
FIG. 4 is a graph showing the result of cyclic voltammetry of Comparative Example 2 (commercial 20 catalyst);
FIGS. 5 to 7, it can be confirmed that the reaction activity is reduced by about 12 % after 5 1000 cycles in Example 1, the reaction activity is reduced by …
FIG. 8 is a graph showing the result of cyclic 25 voltammetry of a catalyst synthesized in Comparative 12 Example 1
FIG. 9, it was confirmed that the long-term durability of the catalyst synthesized in Example 4 was excellent. Test Example 5: Performance test of a secondary …
FIGS. 10 and 11 and 15 Table 1 As for the test results, when the carbon coating layer (graphene envelope) had a thickness of 10 nm or less and included less …
FIG. 11 shows the result of the charging and 10 discharging test of an electrode for a secondary battery, which is manufactured using silicon nanoparticles …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of forming a nitrogen-doped porous graphene envelope, the method comprising: (S 1) vaporizing an organic precursor and a nitrogen precursor to form the graphene envelope in a vaporizer; (S₂) providing substrate particles in a reactor, in which synthesis is to be performed, and then heating the reactor to increase a temperature to a final reaction temperature; and (S₃) supplying the organic precursor and the nitrogen precursor of step (S 1) using a carrier gas to the reactor of step (S₂) and maintaining the reactor for a predetermined time, wherein the organic precursor is a liquid precursor selected from the group consisting of ethanol, methanol, acetylene, and acetone, and wherein the nitrogen precursor is pyridine. Currently amended
The method of claim 1, wherein the substrate particles are a platinum- supported carbon black catalyst, metal nanoparticles for catalyst reforming, or silicon nanoparticles for a secondary battery electrode. Original
The method of claim 1, wherein the step (S 1) includes vaporizing a precursor solution which includes the nitrogen precursor dissolved in the organic precursor. Original
The method of claim 1, wherein the temperature of the reactor is increased to 400 to 1100 * C during the step (S₂). Original
The method of claim 1, wherein the carrier gas is an oxygen, hydrogen, argon, helium, or nitrogen gas. Original
A method of formin g a nitrogen-doped porous g raphene envelope, the method comprising: (S 1) vaporizin g an organic precursor and a nitrogen precursor to form the graphene envelope in a vaporizer; (S₂) providing substrate particles in a reactor, in which synthesis is to be performed, and then heating the reactor to increase a temperature to a final reaction temperature; and (S₃) supplyin g the organic precursor and the nitrogen precursor of step (S 1) usin g a carrier g as to the reactor of step (S₂) and maintainin g the reactor for a predetermined time, wherein the organic precursor is a li q uid precursor selected from the group consistin g of ethanol, methanol, acetylene, and acetone, wherein the substrate particles are metal nanoparticles for catalyst reforming, and wherein the metal nanoparticles are nickel-supported alumina particles. Currently amended
. Canceled
Canceled
Materials described outside the worked examples.
ethanol
C₂H₅OH
methanol
CH₃OH
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1 shows the result of TEM analysis of a nitrogen-doped graphene envelope according to
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
reactor temperature range during step S2 | 400–1100 °C | — |
reactor maintenance time during step S3 | 0.167–30 min | — |
nitrogen precursor concentration in precursor solution |
Related documents with shared materials, methods, properties, or citations.
NANOCRYSTALLINE GRAPHENE AND METHOD OF FORMING NANOCRYSTALLINE GRAPHENE
HIGH STRENGTH POLYMER FILAMENT FOR FDM 3D PRINTER INCLUDING GRAPHENE COATED METAL NANOPARTICLES, NANOCARBONS FOR 3D PRINTER, AND PREPARATION METHOD OF THE SAME
Patent
Atlas literature
Patent
US 9,947,926Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 shows the result of TEM analysis of a nitrogen-doped graphene envelope according to
FIG. 2 shows the result of TEM analysis of a graphene 15 envelope according to Comparative Example 1
FIG. 3 shows the result of TEM analysis of a nitrogen-doped graphene envelope according to Example 5
FIG. 4 is a graph showing the result of cyclic voltammetry of Comparative Example 2 (commercial 20 catalyst);
FIGS. 5 to 7, it can be confirmed that the reaction activity is reduced by about 12 % after 5 1000 cycles in Example 1, the reaction activity is reduced by …
FIG. 8 is a graph showing the result of cyclic 25 voltammetry of a catalyst synthesized in Comparative 12 Example 1
FIG. 9, it was confirmed that the long-term durability of the catalyst synthesized in Example 4 was excellent. Test Example 5: Performance test of a secondary …
FIGS. 10 and 11 and 15 Table 1 As for the test results, when the carbon coating layer (graphene envelope) had a thickness of 10 nm or less and included less …
FIG. 11 shows the result of the charging and 10 discharging test of an electrode for a secondary battery, which is manufactured using silicon nanoparticles …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of forming a nitrogen-doped porous graphene envelope, the method comprising: (S 1) vaporizing an organic precursor and a nitrogen precursor to form the graphene envelope in a vaporizer; (S₂) providing substrate particles in a reactor, in which synthesis is to be performed, and then heating the reactor to increase a temperature to a final reaction temperature; and (S₃) supplying the organic precursor and the nitrogen precursor of step (S 1) using a carrier gas to the reactor of step (S₂) and maintaining the reactor for a predetermined time, wherein the organic precursor is a liquid precursor selected from the group consisting of ethanol, methanol, acetylene, and acetone, and wherein the nitrogen precursor is pyridine. Currently amended
The method of claim 1, wherein the substrate particles are a platinum- supported carbon black catalyst, metal nanoparticles for catalyst reforming, or silicon nanoparticles for a secondary battery electrode. Original
The method of claim 1, wherein the step (S 1) includes vaporizing a precursor solution which includes the nitrogen precursor dissolved in the organic precursor. Original
The method of claim 1, wherein the temperature of the reactor is increased to 400 to 1100 * C during the step (S₂). Original
The method of claim 1, wherein the carrier gas is an oxygen, hydrogen, argon, helium, or nitrogen gas. Original
A method of formin g a nitrogen-doped porous g raphene envelope, the method comprising: (S 1) vaporizin g an organic precursor and a nitrogen precursor to form the graphene envelope in a vaporizer; (S₂) providing substrate particles in a reactor, in which synthesis is to be performed, and then heating the reactor to increase a temperature to a final reaction temperature; and (S₃) supplyin g the organic precursor and the nitrogen precursor of step (S 1) usin g a carrier g as to the reactor of step (S₂) and maintainin g the reactor for a predetermined time, wherein the organic precursor is a li q uid precursor selected from the group consistin g of ethanol, methanol, acetylene, and acetone, wherein the substrate particles are metal nanoparticles for catalyst reforming, and wherein the metal nanoparticles are nickel-supported alumina particles. Currently amended
. Canceled
Canceled
Materials described outside the worked examples.
ethanol
C₂H₅OH
methanol
CH₃OH
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1 shows the result of TEM analysis of a nitrogen-doped graphene envelope according to
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
reactor temperature range during step S2 | 400–1100 °C | — |
reactor maintenance time during step S3 | 0.167–30 min | — |
nitrogen precursor concentration in precursor solution |
Related documents with shared materials, methods, properties, or citations.
NANOCRYSTALLINE GRAPHENE AND METHOD OF FORMING NANOCRYSTALLINE GRAPHENE
HIGH STRENGTH POLYMER FILAMENT FOR FDM 3D PRINTER INCLUDING GRAPHENE COATED METAL NANOPARTICLES, NANOCARBONS FOR 3D PRINTER, AND PREPARATION METHOD OF THE SAME
acetylene
C₂H₂
acetone
C₃H₆O
pyridine
C₅H₅N
platinum-supported carbon black catalyst
metal nanoparticles for catalyst reforming
silicon nanoparticles for secondary battery electrode
Si
nickel-supported alumina particles
nitrogen-doped porous graphene envelope
FIG. 2 shows the result of TEM analysis of a graphene 15 envelope according to Comparative Example 1
FIG. 3 shows the result of TEM analysis of a nitrogen-doped graphene envelope according to Example 5
FIG. 4 is a graph showing the result of cyclic voltammetry of Comparative Example 2 (commercial 20 catalyst);
FIG. 8 is a graph showing the result of cyclic 25 voltammetry of a catalyst synthesized in Comparative 12 Example 1
FIG. 9, it was confirmed that the long-term durability of the catalyst synthesized in Example 4 was excellent. Test Example 5: Performance test of a secondary …
FIGS. 10 and 11 and 15 Table 1 As for the test results, when the carbon coating layer (graphene envelope) had a thickness of 10 nm or less and included less …
durability of the catalyst synthesized in Example 4 was excellent. Test Example 5: Performance test of a secondary 20 battery using silicon nanoparticles having a graphene envelope In order to manufacture the electrode, carbon-coated (graphene envelope-formed)
| 0–20 v/v% |
C₅H₅N |
Voltage | 0.01–1.5 V | — |
Thickness | 2–20 nm | — |
Voltage | ≥ 0 v | — |
Voltage | ≥ 20 v | — |
acetylene
C₂H₂
acetone
C₃H₆O
pyridine
C₅H₅N
platinum-supported carbon black catalyst
metal nanoparticles for catalyst reforming
silicon nanoparticles for secondary battery electrode
Si
nickel-supported alumina particles
nitrogen-doped porous graphene envelope
FIG. 2 shows the result of TEM analysis of a graphene 15 envelope according to Comparative Example 1
FIG. 3 shows the result of TEM analysis of a nitrogen-doped graphene envelope according to Example 5
FIG. 4 is a graph showing the result of cyclic voltammetry of Comparative Example 2 (commercial 20 catalyst);
FIG. 8 is a graph showing the result of cyclic 25 voltammetry of a catalyst synthesized in Comparative 12 Example 1
FIG. 9, it was confirmed that the long-term durability of the catalyst synthesized in Example 4 was excellent. Test Example 5: Performance test of a secondary …
FIGS. 10 and 11 and 15 Table 1 As for the test results, when the carbon coating layer (graphene envelope) had a thickness of 10 nm or less and included less …
durability of the catalyst synthesized in Example 4 was excellent. Test Example 5: Performance test of a secondary 20 battery using silicon nanoparticles having a graphene envelope In order to manufacture the electrode, carbon-coated (graphene envelope-formed)
| 0–20 v/v% |
C₅H₅N |
Voltage | 0.01–1.5 V | — |
Thickness | 2–20 nm | — |
Voltage | ≥ 0 v | — |
Voltage | ≥ 20 v | — |
acetylene
C₂H₂
acetone
C₃H₆O
pyridine
C₅H₅N
platinum-supported carbon black catalyst
metal nanoparticles for catalyst reforming
silicon nanoparticles for secondary battery electrode
Si
nickel-supported alumina particles
nitrogen-doped porous graphene envelope
FIG. 2 shows the result of TEM analysis of a graphene 15 envelope according to Comparative Example 1
FIG. 3 shows the result of TEM analysis of a nitrogen-doped graphene envelope according to Example 5
FIG. 4 is a graph showing the result of cyclic voltammetry of Comparative Example 2 (commercial 20 catalyst);
FIG. 8 is a graph showing the result of cyclic 25 voltammetry of a catalyst synthesized in Comparative 12 Example 1
FIG. 9, it was confirmed that the long-term durability of the catalyst synthesized in Example 4 was excellent. Test Example 5: Performance test of a secondary …
FIGS. 10 and 11 and 15 Table 1 As for the test results, when the carbon coating layer (graphene envelope) had a thickness of 10 nm or less and included less …
durability of the catalyst synthesized in Example 4 was excellent. Test Example 5: Performance test of a secondary 20 battery using silicon nanoparticles having a graphene envelope In order to manufacture the electrode, carbon-coated (graphene envelope-formed)
| 0–20 v/v% |
C₅H₅N |
Voltage | 0.01–1.5 V | — |
Thickness | 2–20 nm | — |
Voltage | ≥ 0 v | — |
Voltage | ≥ 20 v | — |
acetylene
C₂H₂
acetone
C₃H₆O
pyridine
C₅H₅N
platinum-supported carbon black catalyst
metal nanoparticles for catalyst reforming
silicon nanoparticles for secondary battery electrode
Si
nickel-supported alumina particles
nitrogen-doped porous graphene envelope
FIG. 2 shows the result of TEM analysis of a graphene 15 envelope according to Comparative Example 1
FIG. 3 shows the result of TEM analysis of a nitrogen-doped graphene envelope according to Example 5
FIG. 4 is a graph showing the result of cyclic voltammetry of Comparative Example 2 (commercial 20 catalyst);
FIG. 8 is a graph showing the result of cyclic 25 voltammetry of a catalyst synthesized in Comparative 12 Example 1
FIG. 9, it was confirmed that the long-term durability of the catalyst synthesized in Example 4 was excellent. Test Example 5: Performance test of a secondary …
FIGS. 10 and 11 and 15 Table 1 As for the test results, when the carbon coating layer (graphene envelope) had a thickness of 10 nm or less and included less …
durability of the catalyst synthesized in Example 4 was excellent. Test Example 5: Performance test of a secondary 20 battery using silicon nanoparticles having a graphene envelope In order to manufacture the electrode, carbon-coated (graphene envelope-formed)
| 0–20 v/v% |
C₅H₅N |
Voltage | 0.01–1.5 V | — |
Thickness | 2–20 nm | — |
Voltage | ≥ 0 v | — |
Voltage | ≥ 20 v | — |