Patent
US 10,636,585of Invention
Jie TANG
US
Copyright © 2026 Matter42. All rights reserved.
Patent details
Patent
US 10,636,585Patent 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 method for manufacturing a stack consisting of graphene and carbon nanotubes, comprising: a step of dispersing the graphene in an aqueous MOH solution, wherein M represents an element selected from a group consisting of Li, Na, and K, to adsorb MOH on the graphene; a step of heating the graphene with MOH adsorbed thereon that is obtained in the adsorption step in vacuum or in an inert atmosphere in a temperature range of 400 ° C or more and 900 ° C or less to form pores in the graphene; a step of dispersing the carbon nanotubes and the graphene with the pores that are obtained in the step of forming the pores in a dispersion medium to stack the carbon nanotubes and the graphene with the pores; and a step of removing the dispersion medium. Currently amended
The method according to claim 1, wherein in the step of forming the pores, the graphene with MOH adsorbed thereon is heated in a temperature range of 650 ° C or more and 800 ° C or less for 10 minutes or more and 3 hours or less. Original
The method according to claim 1, further comprising prior to the adsorption step: a step of freeze-drying an oxidized graphene dispersion liquid in which oxidized graphene is dispersed in water; and 2 a step of thermally reducing the oxidized graphene dispersion liquid that is freeze-dried in a temperature range of 300 ° C or more and 700 ° C or less for I second or more and 10 minutes or less to prepare graphene including a graphene sheet of one or more and three or less layers. Original
The method according to claim 1, wherein in the adsorption step, the aqueous MOH solution has a molarity of 5 M or more and 10 M or less. Original
The method according to claim 1, wherein in the adsorption step, the aqueous MOH solution with the graphene dispersed therein is stirred at room temperature for 12 hours or more and 30 hours or less. Original
The method according to claim 1, wherein in the stacking step, the graphene and the carbon nanotubes are dispersed so that a mass ratio of the graphene to the carbon nanotubes (g raphene/carbon nanotubes) is in a range of 1 or more and 50 or less. Currently amended
The method according to claim 1, wherein in selected from a group consisting of water, N-methyl (DMF), and dimethyl sulfoxide (DMSO). Original
An electrode material onsisting of a stack wherein the graphene includes pores through which the graphene are stacked with the carbon nanotubes enable the electrolyte solution ions to pass. Currently
The electrode material according to claim 12 sheet of one or more and three or less layers, and or more and 10 nm or less. Original
The electrode material according to claim 12 range of 200 F/g or more and 400 F/g or less.
The electrode material according to claim 12 group and/or a hydroxyl group. Original
The electric double-layer capacitor according TFSI and an application voltage is 4.5 V or more. the graphene to the carbon nanotubes graphene/15 or less. Currently amended the stacking step, the dispersion medium is pyrrolidone (NMP), N,N- dimethylformamide consisting of graphene and carbon nanotubes, electrolyte solution ions pass, and layers of interposed therebetween at intervals that amended, wherein the graphene includes a graphene includes pores with a pore diameter of 0.4 nm, wherein the stack has a specific capacity in a Original, wherein the graphene includes a carboxylic an electrode and an electrolyte, wherein the to claim 12. Previously presented to claim 17, wherein the electrolyte is M 'OH, selected from the group consisting of EM I -TFSI, to claim 18, wherein the electrolyte is EM I-Original to claim 18, wherein the electrolyte is MPPp-Original
Canceled
An electric double-layer capacitor comprising electrode includes the electrode material according
The electric double-layer capacitor according wherein M' is an alkali metal, ' or an ionic liquid EM I -BF 4, and MPPp-TFSI. Currently amended
The electric double-layer capacitor according TFS I and an application voltage is 4 V or less.
Embodiments described in the patent, grouped by the materials and process steps they use.
4 materials3 process steps
A stack of CNT and graphene with pores formed by heating at 650°C was manufactured. Oxidized graphene was first prepared from natural graphite powder by improved Hummers method (graphite powder 2g, sodium nitrate 1g, sulfuric acid 50mL, sodium permanganate 12g), then thermally reduced to form graphene. The graphene was then dispersed in aqueous KOH solution, heated at 650°C in vacuum/inert atmosphere to form pores, and stacked with CNT in a dispersion medium.
Layer stacks claimed or described, ordered top of device to substrate.
electrode material stack of graphene and carbon nanotubes
electric double-layer capacitor
Materials described outside the worked examples.
aqueous MOH solution
dispersion medium
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
specific capacity of electrode material stack | 200–400 F/g | graphenecarbon nanotubes |
Voltage |
Table 1
ng conditions for the stacks according to Examples/Comparative examples/Reference example 1 to 6 are shown in Table 1, and the results are described in detail.
p. 21
Table 2
The results are shown in Table 2.
p. 23
Table 3
17, and Table 3.
p. 24
Table 4
As shown in Table 4, when the stack of the CNT and the graphene with the pores
p. 26
Related documents with shared materials, methods, properties, or citations.
Patent details
Patent
US 10,636,585Patent 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 method for manufacturing a stack consisting of graphene and carbon nanotubes, comprising: a step of dispersing the graphene in an aqueous MOH solution, wherein M represents an element selected from a group consisting of Li, Na, and K, to adsorb MOH on the graphene; a step of heating the graphene with MOH adsorbed thereon that is obtained in the adsorption step in vacuum or in an inert atmosphere in a temperature range of 400 ° C or more and 900 ° C or less to form pores in the graphene; a step of dispersing the carbon nanotubes and the graphene with the pores that are obtained in the step of forming the pores in a dispersion medium to stack the carbon nanotubes and the graphene with the pores; and a step of removing the dispersion medium. Currently amended
The method according to claim 1, wherein in the step of forming the pores, the graphene with MOH adsorbed thereon is heated in a temperature range of 650 ° C or more and 800 ° C or less for 10 minutes or more and 3 hours or less. Original
The method according to claim 1, further comprising prior to the adsorption step: a step of freeze-drying an oxidized graphene dispersion liquid in which oxidized graphene is dispersed in water; and 2 a step of thermally reducing the oxidized graphene dispersion liquid that is freeze-dried in a temperature range of 300 ° C or more and 700 ° C or less for I second or more and 10 minutes or less to prepare graphene including a graphene sheet of one or more and three or less layers. Original
The method according to claim 1, wherein in the adsorption step, the aqueous MOH solution has a molarity of 5 M or more and 10 M or less. Original
The method according to claim 1, wherein in the adsorption step, the aqueous MOH solution with the graphene dispersed therein is stirred at room temperature for 12 hours or more and 30 hours or less. Original
The method according to claim 1, wherein in the stacking step, the graphene and the carbon nanotubes are dispersed so that a mass ratio of the graphene to the carbon nanotubes (g raphene/carbon nanotubes) is in a range of 1 or more and 50 or less. Currently amended
The method according to claim 1, wherein in selected from a group consisting of water, N-methyl (DMF), and dimethyl sulfoxide (DMSO). Original
An electrode material onsisting of a stack wherein the graphene includes pores through which the graphene are stacked with the carbon nanotubes enable the electrolyte solution ions to pass. Currently
The electrode material according to claim 12 sheet of one or more and three or less layers, and or more and 10 nm or less. Original
The electrode material according to claim 12 range of 200 F/g or more and 400 F/g or less.
The electrode material according to claim 12 group and/or a hydroxyl group. Original
The electric double-layer capacitor according TFSI and an application voltage is 4.5 V or more. the graphene to the carbon nanotubes graphene/15 or less. Currently amended the stacking step, the dispersion medium is pyrrolidone (NMP), N,N- dimethylformamide consisting of graphene and carbon nanotubes, electrolyte solution ions pass, and layers of interposed therebetween at intervals that amended, wherein the graphene includes a graphene includes pores with a pore diameter of 0.4 nm, wherein the stack has a specific capacity in a Original, wherein the graphene includes a carboxylic an electrode and an electrolyte, wherein the to claim 12. Previously presented to claim 17, wherein the electrolyte is M 'OH, selected from the group consisting of EM I -TFSI, to claim 18, wherein the electrolyte is EM I-Original to claim 18, wherein the electrolyte is MPPp-Original
Canceled
An electric double-layer capacitor comprising electrode includes the electrode material according
The electric double-layer capacitor according wherein M' is an alkali metal, ' or an ionic liquid EM I -BF 4, and MPPp-TFSI. Currently amended
The electric double-layer capacitor according TFS I and an application voltage is 4 V or less.
Embodiments described in the patent, grouped by the materials and process steps they use.
4 materials3 process steps
A stack of CNT and graphene with pores formed by heating at 650°C was manufactured. Oxidized graphene was first prepared from natural graphite powder by improved Hummers method (graphite powder 2g, sodium nitrate 1g, sulfuric acid 50mL, sodium permanganate 12g), then thermally reduced to form graphene. The graphene was then dispersed in aqueous KOH solution, heated at 650°C in vacuum/inert atmosphere to form pores, and stacked with CNT in a dispersion medium.
Layer stacks claimed or described, ordered top of device to substrate.
electrode material stack of graphene and carbon nanotubes
electric double-layer capacitor
Materials described outside the worked examples.
aqueous MOH solution
dispersion medium
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
specific capacity of electrode material stack | 200–400 F/g | graphenecarbon nanotubes |
Voltage |
Table 1
ng conditions for the stacks according to Examples/Comparative examples/Reference example 1 to 6 are shown in Table 1, and the results are described in detail.
p. 21
Table 2
The results are shown in Table 2.
p. 23
Table 3
17, and Table 3.
p. 24
Table 4
As shown in Table 4, when the stack of the CNT and the graphene with the pores
p. 26
Related documents with shared materials, methods, properties, or citations.
Patent details
Patent
US 10,636,585Patent 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 method for manufacturing a stack consisting of graphene and carbon nanotubes, comprising: a step of dispersing the graphene in an aqueous MOH solution, wherein M represents an element selected from a group consisting of Li, Na, and K, to adsorb MOH on the graphene; a step of heating the graphene with MOH adsorbed thereon that is obtained in the adsorption step in vacuum or in an inert atmosphere in a temperature range of 400 ° C or more and 900 ° C or less to form pores in the graphene; a step of dispersing the carbon nanotubes and the graphene with the pores that are obtained in the step of forming the pores in a dispersion medium to stack the carbon nanotubes and the graphene with the pores; and a step of removing the dispersion medium. Currently amended
The method according to claim 1, wherein in the step of forming the pores, the graphene with MOH adsorbed thereon is heated in a temperature range of 650 ° C or more and 800 ° C or less for 10 minutes or more and 3 hours or less. Original
The method according to claim 1, further comprising prior to the adsorption step: a step of freeze-drying an oxidized graphene dispersion liquid in which oxidized graphene is dispersed in water; and 2 a step of thermally reducing the oxidized graphene dispersion liquid that is freeze-dried in a temperature range of 300 ° C or more and 700 ° C or less for I second or more and 10 minutes or less to prepare graphene including a graphene sheet of one or more and three or less layers. Original
The method according to claim 1, wherein in the adsorption step, the aqueous MOH solution has a molarity of 5 M or more and 10 M or less. Original
The method according to claim 1, wherein in the adsorption step, the aqueous MOH solution with the graphene dispersed therein is stirred at room temperature for 12 hours or more and 30 hours or less. Original
The method according to claim 1, wherein in the stacking step, the graphene and the carbon nanotubes are dispersed so that a mass ratio of the graphene to the carbon nanotubes (g raphene/carbon nanotubes) is in a range of 1 or more and 50 or less. Currently amended
The method according to claim 1, wherein in selected from a group consisting of water, N-methyl (DMF), and dimethyl sulfoxide (DMSO). Original
An electrode material onsisting of a stack wherein the graphene includes pores through which the graphene are stacked with the carbon nanotubes enable the electrolyte solution ions to pass. Currently
The electrode material according to claim 12 sheet of one or more and three or less layers, and or more and 10 nm or less. Original
The electrode material according to claim 12 range of 200 F/g or more and 400 F/g or less.
The electrode material according to claim 12 group and/or a hydroxyl group. Original
The electric double-layer capacitor according TFSI and an application voltage is 4.5 V or more. the graphene to the carbon nanotubes graphene/15 or less. Currently amended the stacking step, the dispersion medium is pyrrolidone (NMP), N,N- dimethylformamide consisting of graphene and carbon nanotubes, electrolyte solution ions pass, and layers of interposed therebetween at intervals that amended, wherein the graphene includes a graphene includes pores with a pore diameter of 0.4 nm, wherein the stack has a specific capacity in a Original, wherein the graphene includes a carboxylic an electrode and an electrolyte, wherein the to claim 12. Previously presented to claim 17, wherein the electrolyte is M 'OH, selected from the group consisting of EM I -TFSI, to claim 18, wherein the electrolyte is EM I-Original to claim 18, wherein the electrolyte is MPPp-Original
Canceled
An electric double-layer capacitor comprising electrode includes the electrode material according
The electric double-layer capacitor according wherein M' is an alkali metal, ' or an ionic liquid EM I -BF 4, and MPPp-TFSI. Currently amended
The electric double-layer capacitor according TFS I and an application voltage is 4 V or less.
Embodiments described in the patent, grouped by the materials and process steps they use.
4 materials3 process steps
A stack of CNT and graphene with pores formed by heating at 650°C was manufactured. Oxidized graphene was first prepared from natural graphite powder by improved Hummers method (graphite powder 2g, sodium nitrate 1g, sulfuric acid 50mL, sodium permanganate 12g), then thermally reduced to form graphene. The graphene was then dispersed in aqueous KOH solution, heated at 650°C in vacuum/inert atmosphere to form pores, and stacked with CNT in a dispersion medium.
Layer stacks claimed or described, ordered top of device to substrate.
electrode material stack of graphene and carbon nanotubes
electric double-layer capacitor
Materials described outside the worked examples.
aqueous MOH solution
dispersion medium
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
specific capacity of electrode material stack | 200–400 F/g | graphenecarbon nanotubes |
Voltage |
Table 1
ng conditions for the stacks according to Examples/Comparative examples/Reference example 1 to 6 are shown in Table 1, and the results are described in detail.
p. 21
Table 2
The results are shown in Table 2.
p. 23
Table 3
17, and Table 3.
p. 24
Table 4
As shown in Table 4, when the stack of the CNT and the graphene with the pores
p. 26
Related documents with shared materials, methods, properties, or citations.
Patent details
Patent
US 10,636,585Patent 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 method for manufacturing a stack consisting of graphene and carbon nanotubes, comprising: a step of dispersing the graphene in an aqueous MOH solution, wherein M represents an element selected from a group consisting of Li, Na, and K, to adsorb MOH on the graphene; a step of heating the graphene with MOH adsorbed thereon that is obtained in the adsorption step in vacuum or in an inert atmosphere in a temperature range of 400 ° C or more and 900 ° C or less to form pores in the graphene; a step of dispersing the carbon nanotubes and the graphene with the pores that are obtained in the step of forming the pores in a dispersion medium to stack the carbon nanotubes and the graphene with the pores; and a step of removing the dispersion medium. Currently amended
The method according to claim 1, wherein in the step of forming the pores, the graphene with MOH adsorbed thereon is heated in a temperature range of 650 ° C or more and 800 ° C or less for 10 minutes or more and 3 hours or less. Original
The method according to claim 1, further comprising prior to the adsorption step: a step of freeze-drying an oxidized graphene dispersion liquid in which oxidized graphene is dispersed in water; and 2 a step of thermally reducing the oxidized graphene dispersion liquid that is freeze-dried in a temperature range of 300 ° C or more and 700 ° C or less for I second or more and 10 minutes or less to prepare graphene including a graphene sheet of one or more and three or less layers. Original
The method according to claim 1, wherein in the adsorption step, the aqueous MOH solution has a molarity of 5 M or more and 10 M or less. Original
The method according to claim 1, wherein in the adsorption step, the aqueous MOH solution with the graphene dispersed therein is stirred at room temperature for 12 hours or more and 30 hours or less. Original
The method according to claim 1, wherein in the stacking step, the graphene and the carbon nanotubes are dispersed so that a mass ratio of the graphene to the carbon nanotubes (g raphene/carbon nanotubes) is in a range of 1 or more and 50 or less. Currently amended
The method according to claim 1, wherein in selected from a group consisting of water, N-methyl (DMF), and dimethyl sulfoxide (DMSO). Original
An electrode material onsisting of a stack wherein the graphene includes pores through which the graphene are stacked with the carbon nanotubes enable the electrolyte solution ions to pass. Currently
The electrode material according to claim 12 sheet of one or more and three or less layers, and or more and 10 nm or less. Original
The electrode material according to claim 12 range of 200 F/g or more and 400 F/g or less.
The electrode material according to claim 12 group and/or a hydroxyl group. Original
The electric double-layer capacitor according TFSI and an application voltage is 4.5 V or more. the graphene to the carbon nanotubes graphene/15 or less. Currently amended the stacking step, the dispersion medium is pyrrolidone (NMP), N,N- dimethylformamide consisting of graphene and carbon nanotubes, electrolyte solution ions pass, and layers of interposed therebetween at intervals that amended, wherein the graphene includes a graphene includes pores with a pore diameter of 0.4 nm, wherein the stack has a specific capacity in a Original, wherein the graphene includes a carboxylic an electrode and an electrolyte, wherein the to claim 12. Previously presented to claim 17, wherein the electrolyte is M 'OH, selected from the group consisting of EM I -TFSI, to claim 18, wherein the electrolyte is EM I-Original to claim 18, wherein the electrolyte is MPPp-Original
Canceled
An electric double-layer capacitor comprising electrode includes the electrode material according
The electric double-layer capacitor according wherein M' is an alkali metal, ' or an ionic liquid EM I -BF 4, and MPPp-TFSI. Currently amended
The electric double-layer capacitor according TFS I and an application voltage is 4 V or less.
Embodiments described in the patent, grouped by the materials and process steps they use.
4 materials3 process steps
A stack of CNT and graphene with pores formed by heating at 650°C was manufactured. Oxidized graphene was first prepared from natural graphite powder by improved Hummers method (graphite powder 2g, sodium nitrate 1g, sulfuric acid 50mL, sodium permanganate 12g), then thermally reduced to form graphene. The graphene was then dispersed in aqueous KOH solution, heated at 650°C in vacuum/inert atmosphere to form pores, and stacked with CNT in a dispersion medium.
Layer stacks claimed or described, ordered top of device to substrate.
electrode material stack of graphene and carbon nanotubes
electric double-layer capacitor
Materials described outside the worked examples.
aqueous MOH solution
dispersion medium
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
specific capacity of electrode material stack | 200–400 F/g | graphenecarbon nanotubes |
Voltage |
Table 1
ng conditions for the stacks according to Examples/Comparative examples/Reference example 1 to 6 are shown in Table 1, and the results are described in detail.
p. 21
Table 2
The results are shown in Table 2.
p. 23
Table 3
17, and Table 3.
p. 24
Table 4
As shown in Table 4, when the stack of the CNT and the graphene with the pores
p. 26
Related documents with shared materials, methods, properties, or citations.
M'OH electrolyte
EMI-TFSI
MPPp-TFSI
EMI-BF₄
| 0–3.5 V |
| — |
M'OH electrolyte
EMI-TFSI
MPPp-TFSI
EMI-BF₄
| 0–3.5 V |
| — |
M'OH electrolyte
EMI-TFSI
MPPp-TFSI
EMI-BF₄
| 0–3.5 V |
| — |
M'OH electrolyte
EMI-TFSI
MPPp-TFSI
EMI-BF₄
| 0–3.5 V |
| — |