Patent
US 10,872,735SUPERCAPACITOR OF N-P DOPING POROUS GRAPHENE MATERIAL IN I ONIC LIQUID
Chien-Liang Chang
US
Copyright © 2026 Matter42. All rights reserved.
Patent
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US 10,872,735Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is an exploded schematic diagram of a supercapacit o r 1 according to an embodiment of the present invention. According to an embodiment of the present …
FIG. 2. Since the viscosity and conductivity of the electrolyte will affect the migration rate of charged ions from the working electrode to the counter …
FIG. 3 is a diagram illustrating diameters of different types of ions of the i o nic liquid. The i o nic liquid electrolyte with an i o nic liquid viscosity …
FIG. 4. In order to measure electrical properties of the single electrode of the active material of the present invention, the above-mentioned electrical …
FIG. 5. [0053] Referring to
FIG. 6). The purpose of this step is preventing the slurry from being adsorbed onto the nickel mesh (the dense structure) when the nickel mesh is immersed in …
FIG. 7. The ideal weight of the adsorbed active material is 0. 15 m g, and the ratio of the atomic percentages of carbon, oxygen, nitrogen, and phosphorus of …
FIG. 8 is a schematic diagram illustrating an electrical measurement of the electrical evaluation device acc o rding to
FIG. 9 is a schematic diagram illustrating an electrical performance of undoped porous graphene. [0026]
FIG. 10 is a schematic diagram illustrating an electrical performance of N-P doping p oro us graphene. The t ri -electrode electrical evaluation device 3 is …
FIG. 11, comparing to the und o ped p oro us graphene electrode, an additi o nal red o x peak is generated during the process of charging and discharging of …
FIG. 12 are schematic diagrams illustrating the powder fell fr o m (a) und o ped p oro us graphene electrode and (b) N-P d o ping p oro us graphene electrode …
FIG. 13, the physical properties of graphene can be greatly improved with the nitrogen and phosphorus d o ping technology of the present invention, thereby …
FIG. 14 is a schematic diagram illustrating a process fl o w of a preparation method of a working electrode and a co unter electrode. SVG …
FIG. 15 is a schematic diagram illustrating a pr ocess fl o w ofa preparation method of an active material. SVG …
FIG. 16 is a schematic diagram illustrating a pr ocess fl o w ofa preparation method of the porous graphene. SVG …
FIG. 17 is a schematic diagram illustrating a pr oces s fl o w of a preparation process of a graphite oxide. [0034]
FIG. 18 is a schematic diagram illustrating a process fl o w of a preparation method of a nickel mesh with N-P doping porous graphene adsorbed thereon. Detailed …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A supercapacitor, comprising: a working electrode, comprising an active material of nitrogen-phosphorous (N-P) doping porous graphene; and an ionic liquid electrolyte, wherein a viscosity of the ionic liquid electrolyte is less than 60 mPa.s, a conductivity of the ionic liquid electrolyte is greater than 0.5 S/m, a diameter of anions of the ionic liquid electrolyte is less than 0.7 nm, and a diameter of cations of the ionic liquid electrolyte is less than 0.7 nm. Withdrawn
The supercapacitor of claim 1, wherein the cations of the ionic liquid electrolyte comprise 1-Ethyl-3-methylimidazolium (EMI), N-methyl-N-propylpyrrolidinium (PM P), N-butyl-N-methylpyrrolidinium (BMP), or any combination thereof. Withdrawn
The supercapacitor of claim 1, wherein the anions of the ionic liquid electrolyte comprise one selected from a group consisting of Bis(fluorosulfonyl) imide (FSI), bis(trifluoromethylsulfony)imide (TFSI), tetrafluoroborate (BF 4), and any combination thereof. Withdrawn
The supercapacitor of claim 1, wherein the working electrode comprises a conductive substrate, and the active material is deposited on the conductive substrate. Withdrawn
The supercapacitor of claim 1, wherein the active material comprises a porous graphene surface doped with more than 3 at % of nitrogen and more than 1 at % of phosphorous. Withdrawn
A method for preparing a supercapacitor, comprising: preparing an active material comprising nitrogen-phosphorous (N-P) doping porous graphene; depositing the active material on a conductive substrate to form a working electrode; and adsorbing an ionic liquid electrolyte on a surface of the working electrode having the active material, wherein a viscosity of the ionic liquid electrolyte is less than 60 mPa.s, a conductivity of the ionic liquid electrolyte is greater than 0.5 S/m, a diameter of anions of the ionic liquid electrolyte is less than 0.7 nm, and a diameter of cations of the ionic liquid electrolyte is less than 0.7 nm. Original
The method for preparing the supercapacitor of claim 6, wherein the cations of the ionic liquid electrolyte comprise 1-Ethyl-3-methylimidazolium (EMI), N-methyl-N-propylpyrrolidinium (PMP), N-butyl-N-methylpyrrolidinium (BMP), or any combination thereof. Original
The method for preparing the supercapacitor of claim 6, wherein the anions of the ionic liquid electrolyte comprise Bis(fluorosulfonyl) imide (FS I), bis(trifluoromethylsulfony)imide (TFSI), tetrafluoroborate (BF 4), or any combination thereof. Original
The method for preparing the supercapacitor of claim 6, wherein the active material is deposited on the conductive substrate by a blade coating method. Original
The method for preparing the supercapacitor of claim 6, wherein preparing the active material comprising the N-P doping porous graphene further comprises following sub-steps: placing porous graphene and red phosphorous in a vacuum environment, and raising a temperature to 700 C in one hour to form a phosphorous doping porous graphene; and placing the phosphorous doping porous graphene in an ammonia environment or an argon environment, and raising a temperature to 800C in thirty minutes to form the active material. Original
The method for preparing the supercapacitor of claim 6, further comprising electrically activating the working electrode with the ionic liquid electrolyte adsorbed thereon. Original
Embodiments described in the patent, grouped by the materials and process steps they use.
3 materials3 process steps
Graphite oxide is quickly transferred into a furnace held at 300°C to produce porous graphene. The porous graphene and red phosphorus are placed together in an evacuated tube furnace and heated to 700°C for 1 hour to form phosphorous-doped porous graphene. The material is then heated to 800°C for 30 minutes in a mixed argon and ammonia atmosphere to produce N-P doping porous graphene.
Layer stacks claimed or described, ordered top of device to substrate.
supercapacitor
Materials described outside the worked examples.
ionic liquid electrolyte
1-Ethyl-3-methylimidazolium (EMI)
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4. In order to measure electrical properties of the single electrode of the active material of the present invention, the above-mentioned electrical …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Gravimetric Capacitance | 105 F/g | nitrogen-phosphorous (N-P) doping porous graphene |
Volumetric Power Density |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,872,735Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is an exploded schematic diagram of a supercapacit o r 1 according to an embodiment of the present invention. According to an embodiment of the present …
FIG. 2. Since the viscosity and conductivity of the electrolyte will affect the migration rate of charged ions from the working electrode to the counter …
FIG. 3 is a diagram illustrating diameters of different types of ions of the i o nic liquid. The i o nic liquid electrolyte with an i o nic liquid viscosity …
FIG. 4. In order to measure electrical properties of the single electrode of the active material of the present invention, the above-mentioned electrical …
FIG. 5. [0053] Referring to
FIG. 6). The purpose of this step is preventing the slurry from being adsorbed onto the nickel mesh (the dense structure) when the nickel mesh is immersed in …
FIG. 7. The ideal weight of the adsorbed active material is 0. 15 m g, and the ratio of the atomic percentages of carbon, oxygen, nitrogen, and phosphorus of …
FIG. 8 is a schematic diagram illustrating an electrical measurement of the electrical evaluation device acc o rding to
FIG. 9 is a schematic diagram illustrating an electrical performance of undoped porous graphene. [0026]
FIG. 10 is a schematic diagram illustrating an electrical performance of N-P doping p oro us graphene. The t ri -electrode electrical evaluation device 3 is …
FIG. 11, comparing to the und o ped p oro us graphene electrode, an additi o nal red o x peak is generated during the process of charging and discharging of …
FIG. 12 are schematic diagrams illustrating the powder fell fr o m (a) und o ped p oro us graphene electrode and (b) N-P d o ping p oro us graphene electrode …
FIG. 13, the physical properties of graphene can be greatly improved with the nitrogen and phosphorus d o ping technology of the present invention, thereby …
FIG. 14 is a schematic diagram illustrating a process fl o w of a preparation method of a working electrode and a co unter electrode. SVG …
FIG. 15 is a schematic diagram illustrating a pr ocess fl o w ofa preparation method of an active material. SVG …
FIG. 16 is a schematic diagram illustrating a pr ocess fl o w ofa preparation method of the porous graphene. SVG …
FIG. 17 is a schematic diagram illustrating a pr oces s fl o w of a preparation process of a graphite oxide. [0034]
FIG. 18 is a schematic diagram illustrating a process fl o w of a preparation method of a nickel mesh with N-P doping porous graphene adsorbed thereon. Detailed …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A supercapacitor, comprising: a working electrode, comprising an active material of nitrogen-phosphorous (N-P) doping porous graphene; and an ionic liquid electrolyte, wherein a viscosity of the ionic liquid electrolyte is less than 60 mPa.s, a conductivity of the ionic liquid electrolyte is greater than 0.5 S/m, a diameter of anions of the ionic liquid electrolyte is less than 0.7 nm, and a diameter of cations of the ionic liquid electrolyte is less than 0.7 nm. Withdrawn
The supercapacitor of claim 1, wherein the cations of the ionic liquid electrolyte comprise 1-Ethyl-3-methylimidazolium (EMI), N-methyl-N-propylpyrrolidinium (PM P), N-butyl-N-methylpyrrolidinium (BMP), or any combination thereof. Withdrawn
The supercapacitor of claim 1, wherein the anions of the ionic liquid electrolyte comprise one selected from a group consisting of Bis(fluorosulfonyl) imide (FSI), bis(trifluoromethylsulfony)imide (TFSI), tetrafluoroborate (BF 4), and any combination thereof. Withdrawn
The supercapacitor of claim 1, wherein the working electrode comprises a conductive substrate, and the active material is deposited on the conductive substrate. Withdrawn
The supercapacitor of claim 1, wherein the active material comprises a porous graphene surface doped with more than 3 at % of nitrogen and more than 1 at % of phosphorous. Withdrawn
A method for preparing a supercapacitor, comprising: preparing an active material comprising nitrogen-phosphorous (N-P) doping porous graphene; depositing the active material on a conductive substrate to form a working electrode; and adsorbing an ionic liquid electrolyte on a surface of the working electrode having the active material, wherein a viscosity of the ionic liquid electrolyte is less than 60 mPa.s, a conductivity of the ionic liquid electrolyte is greater than 0.5 S/m, a diameter of anions of the ionic liquid electrolyte is less than 0.7 nm, and a diameter of cations of the ionic liquid electrolyte is less than 0.7 nm. Original
The method for preparing the supercapacitor of claim 6, wherein the cations of the ionic liquid electrolyte comprise 1-Ethyl-3-methylimidazolium (EMI), N-methyl-N-propylpyrrolidinium (PMP), N-butyl-N-methylpyrrolidinium (BMP), or any combination thereof. Original
The method for preparing the supercapacitor of claim 6, wherein the anions of the ionic liquid electrolyte comprise Bis(fluorosulfonyl) imide (FS I), bis(trifluoromethylsulfony)imide (TFSI), tetrafluoroborate (BF 4), or any combination thereof. Original
The method for preparing the supercapacitor of claim 6, wherein the active material is deposited on the conductive substrate by a blade coating method. Original
The method for preparing the supercapacitor of claim 6, wherein preparing the active material comprising the N-P doping porous graphene further comprises following sub-steps: placing porous graphene and red phosphorous in a vacuum environment, and raising a temperature to 700 C in one hour to form a phosphorous doping porous graphene; and placing the phosphorous doping porous graphene in an ammonia environment or an argon environment, and raising a temperature to 800C in thirty minutes to form the active material. Original
The method for preparing the supercapacitor of claim 6, further comprising electrically activating the working electrode with the ionic liquid electrolyte adsorbed thereon. Original
Embodiments described in the patent, grouped by the materials and process steps they use.
3 materials3 process steps
Graphite oxide is quickly transferred into a furnace held at 300°C to produce porous graphene. The porous graphene and red phosphorus are placed together in an evacuated tube furnace and heated to 700°C for 1 hour to form phosphorous-doped porous graphene. The material is then heated to 800°C for 30 minutes in a mixed argon and ammonia atmosphere to produce N-P doping porous graphene.
Layer stacks claimed or described, ordered top of device to substrate.
supercapacitor
Materials described outside the worked examples.
ionic liquid electrolyte
1-Ethyl-3-methylimidazolium (EMI)
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4. In order to measure electrical properties of the single electrode of the active material of the present invention, the above-mentioned electrical …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Gravimetric Capacitance | 105 F/g | nitrogen-phosphorous (N-P) doping porous graphene |
Volumetric Power Density |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,872,735Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is an exploded schematic diagram of a supercapacit o r 1 according to an embodiment of the present invention. According to an embodiment of the present …
FIG. 2. Since the viscosity and conductivity of the electrolyte will affect the migration rate of charged ions from the working electrode to the counter …
FIG. 3 is a diagram illustrating diameters of different types of ions of the i o nic liquid. The i o nic liquid electrolyte with an i o nic liquid viscosity …
FIG. 4. In order to measure electrical properties of the single electrode of the active material of the present invention, the above-mentioned electrical …
FIG. 5. [0053] Referring to
FIG. 6). The purpose of this step is preventing the slurry from being adsorbed onto the nickel mesh (the dense structure) when the nickel mesh is immersed in …
FIG. 7. The ideal weight of the adsorbed active material is 0. 15 m g, and the ratio of the atomic percentages of carbon, oxygen, nitrogen, and phosphorus of …
FIG. 8 is a schematic diagram illustrating an electrical measurement of the electrical evaluation device acc o rding to
FIG. 9 is a schematic diagram illustrating an electrical performance of undoped porous graphene. [0026]
FIG. 10 is a schematic diagram illustrating an electrical performance of N-P doping p oro us graphene. The t ri -electrode electrical evaluation device 3 is …
FIG. 11, comparing to the und o ped p oro us graphene electrode, an additi o nal red o x peak is generated during the process of charging and discharging of …
FIG. 12 are schematic diagrams illustrating the powder fell fr o m (a) und o ped p oro us graphene electrode and (b) N-P d o ping p oro us graphene electrode …
FIG. 13, the physical properties of graphene can be greatly improved with the nitrogen and phosphorus d o ping technology of the present invention, thereby …
FIG. 14 is a schematic diagram illustrating a process fl o w of a preparation method of a working electrode and a co unter electrode. SVG …
FIG. 15 is a schematic diagram illustrating a pr ocess fl o w ofa preparation method of an active material. SVG …
FIG. 16 is a schematic diagram illustrating a pr ocess fl o w ofa preparation method of the porous graphene. SVG …
FIG. 17 is a schematic diagram illustrating a pr oces s fl o w of a preparation process of a graphite oxide. [0034]
FIG. 18 is a schematic diagram illustrating a process fl o w of a preparation method of a nickel mesh with N-P doping porous graphene adsorbed thereon. Detailed …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A supercapacitor, comprising: a working electrode, comprising an active material of nitrogen-phosphorous (N-P) doping porous graphene; and an ionic liquid electrolyte, wherein a viscosity of the ionic liquid electrolyte is less than 60 mPa.s, a conductivity of the ionic liquid electrolyte is greater than 0.5 S/m, a diameter of anions of the ionic liquid electrolyte is less than 0.7 nm, and a diameter of cations of the ionic liquid electrolyte is less than 0.7 nm. Withdrawn
The supercapacitor of claim 1, wherein the cations of the ionic liquid electrolyte comprise 1-Ethyl-3-methylimidazolium (EMI), N-methyl-N-propylpyrrolidinium (PM P), N-butyl-N-methylpyrrolidinium (BMP), or any combination thereof. Withdrawn
The supercapacitor of claim 1, wherein the anions of the ionic liquid electrolyte comprise one selected from a group consisting of Bis(fluorosulfonyl) imide (FSI), bis(trifluoromethylsulfony)imide (TFSI), tetrafluoroborate (BF 4), and any combination thereof. Withdrawn
The supercapacitor of claim 1, wherein the working electrode comprises a conductive substrate, and the active material is deposited on the conductive substrate. Withdrawn
The supercapacitor of claim 1, wherein the active material comprises a porous graphene surface doped with more than 3 at % of nitrogen and more than 1 at % of phosphorous. Withdrawn
A method for preparing a supercapacitor, comprising: preparing an active material comprising nitrogen-phosphorous (N-P) doping porous graphene; depositing the active material on a conductive substrate to form a working electrode; and adsorbing an ionic liquid electrolyte on a surface of the working electrode having the active material, wherein a viscosity of the ionic liquid electrolyte is less than 60 mPa.s, a conductivity of the ionic liquid electrolyte is greater than 0.5 S/m, a diameter of anions of the ionic liquid electrolyte is less than 0.7 nm, and a diameter of cations of the ionic liquid electrolyte is less than 0.7 nm. Original
The method for preparing the supercapacitor of claim 6, wherein the cations of the ionic liquid electrolyte comprise 1-Ethyl-3-methylimidazolium (EMI), N-methyl-N-propylpyrrolidinium (PMP), N-butyl-N-methylpyrrolidinium (BMP), or any combination thereof. Original
The method for preparing the supercapacitor of claim 6, wherein the anions of the ionic liquid electrolyte comprise Bis(fluorosulfonyl) imide (FS I), bis(trifluoromethylsulfony)imide (TFSI), tetrafluoroborate (BF 4), or any combination thereof. Original
The method for preparing the supercapacitor of claim 6, wherein the active material is deposited on the conductive substrate by a blade coating method. Original
The method for preparing the supercapacitor of claim 6, wherein preparing the active material comprising the N-P doping porous graphene further comprises following sub-steps: placing porous graphene and red phosphorous in a vacuum environment, and raising a temperature to 700 C in one hour to form a phosphorous doping porous graphene; and placing the phosphorous doping porous graphene in an ammonia environment or an argon environment, and raising a temperature to 800C in thirty minutes to form the active material. Original
The method for preparing the supercapacitor of claim 6, further comprising electrically activating the working electrode with the ionic liquid electrolyte adsorbed thereon. Original
Embodiments described in the patent, grouped by the materials and process steps they use.
3 materials3 process steps
Graphite oxide is quickly transferred into a furnace held at 300°C to produce porous graphene. The porous graphene and red phosphorus are placed together in an evacuated tube furnace and heated to 700°C for 1 hour to form phosphorous-doped porous graphene. The material is then heated to 800°C for 30 minutes in a mixed argon and ammonia atmosphere to produce N-P doping porous graphene.
Layer stacks claimed or described, ordered top of device to substrate.
supercapacitor
Materials described outside the worked examples.
ionic liquid electrolyte
1-Ethyl-3-methylimidazolium (EMI)
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4. In order to measure electrical properties of the single electrode of the active material of the present invention, the above-mentioned electrical …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Gravimetric Capacitance | 105 F/g | nitrogen-phosphorous (N-P) doping porous graphene |
Volumetric Power Density |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,872,735Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is an exploded schematic diagram of a supercapacit o r 1 according to an embodiment of the present invention. According to an embodiment of the present …
FIG. 2. Since the viscosity and conductivity of the electrolyte will affect the migration rate of charged ions from the working electrode to the counter …
FIG. 3 is a diagram illustrating diameters of different types of ions of the i o nic liquid. The i o nic liquid electrolyte with an i o nic liquid viscosity …
FIG. 4. In order to measure electrical properties of the single electrode of the active material of the present invention, the above-mentioned electrical …
FIG. 5. [0053] Referring to
FIG. 6). The purpose of this step is preventing the slurry from being adsorbed onto the nickel mesh (the dense structure) when the nickel mesh is immersed in …
FIG. 7. The ideal weight of the adsorbed active material is 0. 15 m g, and the ratio of the atomic percentages of carbon, oxygen, nitrogen, and phosphorus of …
FIG. 8 is a schematic diagram illustrating an electrical measurement of the electrical evaluation device acc o rding to
FIG. 9 is a schematic diagram illustrating an electrical performance of undoped porous graphene. [0026]
FIG. 10 is a schematic diagram illustrating an electrical performance of N-P doping p oro us graphene. The t ri -electrode electrical evaluation device 3 is …
FIG. 11, comparing to the und o ped p oro us graphene electrode, an additi o nal red o x peak is generated during the process of charging and discharging of …
FIG. 12 are schematic diagrams illustrating the powder fell fr o m (a) und o ped p oro us graphene electrode and (b) N-P d o ping p oro us graphene electrode …
FIG. 13, the physical properties of graphene can be greatly improved with the nitrogen and phosphorus d o ping technology of the present invention, thereby …
FIG. 14 is a schematic diagram illustrating a process fl o w of a preparation method of a working electrode and a co unter electrode. SVG …
FIG. 15 is a schematic diagram illustrating a pr ocess fl o w ofa preparation method of an active material. SVG …
FIG. 16 is a schematic diagram illustrating a pr ocess fl o w ofa preparation method of the porous graphene. SVG …
FIG. 17 is a schematic diagram illustrating a pr oces s fl o w of a preparation process of a graphite oxide. [0034]
FIG. 18 is a schematic diagram illustrating a process fl o w of a preparation method of a nickel mesh with N-P doping porous graphene adsorbed thereon. Detailed …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A supercapacitor, comprising: a working electrode, comprising an active material of nitrogen-phosphorous (N-P) doping porous graphene; and an ionic liquid electrolyte, wherein a viscosity of the ionic liquid electrolyte is less than 60 mPa.s, a conductivity of the ionic liquid electrolyte is greater than 0.5 S/m, a diameter of anions of the ionic liquid electrolyte is less than 0.7 nm, and a diameter of cations of the ionic liquid electrolyte is less than 0.7 nm. Withdrawn
The supercapacitor of claim 1, wherein the cations of the ionic liquid electrolyte comprise 1-Ethyl-3-methylimidazolium (EMI), N-methyl-N-propylpyrrolidinium (PM P), N-butyl-N-methylpyrrolidinium (BMP), or any combination thereof. Withdrawn
The supercapacitor of claim 1, wherein the anions of the ionic liquid electrolyte comprise one selected from a group consisting of Bis(fluorosulfonyl) imide (FSI), bis(trifluoromethylsulfony)imide (TFSI), tetrafluoroborate (BF 4), and any combination thereof. Withdrawn
The supercapacitor of claim 1, wherein the working electrode comprises a conductive substrate, and the active material is deposited on the conductive substrate. Withdrawn
The supercapacitor of claim 1, wherein the active material comprises a porous graphene surface doped with more than 3 at % of nitrogen and more than 1 at % of phosphorous. Withdrawn
A method for preparing a supercapacitor, comprising: preparing an active material comprising nitrogen-phosphorous (N-P) doping porous graphene; depositing the active material on a conductive substrate to form a working electrode; and adsorbing an ionic liquid electrolyte on a surface of the working electrode having the active material, wherein a viscosity of the ionic liquid electrolyte is less than 60 mPa.s, a conductivity of the ionic liquid electrolyte is greater than 0.5 S/m, a diameter of anions of the ionic liquid electrolyte is less than 0.7 nm, and a diameter of cations of the ionic liquid electrolyte is less than 0.7 nm. Original
The method for preparing the supercapacitor of claim 6, wherein the cations of the ionic liquid electrolyte comprise 1-Ethyl-3-methylimidazolium (EMI), N-methyl-N-propylpyrrolidinium (PMP), N-butyl-N-methylpyrrolidinium (BMP), or any combination thereof. Original
The method for preparing the supercapacitor of claim 6, wherein the anions of the ionic liquid electrolyte comprise Bis(fluorosulfonyl) imide (FS I), bis(trifluoromethylsulfony)imide (TFSI), tetrafluoroborate (BF 4), or any combination thereof. Original
The method for preparing the supercapacitor of claim 6, wherein the active material is deposited on the conductive substrate by a blade coating method. Original
The method for preparing the supercapacitor of claim 6, wherein preparing the active material comprising the N-P doping porous graphene further comprises following sub-steps: placing porous graphene and red phosphorous in a vacuum environment, and raising a temperature to 700 C in one hour to form a phosphorous doping porous graphene; and placing the phosphorous doping porous graphene in an ammonia environment or an argon environment, and raising a temperature to 800C in thirty minutes to form the active material. Original
The method for preparing the supercapacitor of claim 6, further comprising electrically activating the working electrode with the ionic liquid electrolyte adsorbed thereon. Original
Embodiments described in the patent, grouped by the materials and process steps they use.
3 materials3 process steps
Graphite oxide is quickly transferred into a furnace held at 300°C to produce porous graphene. The porous graphene and red phosphorus are placed together in an evacuated tube furnace and heated to 700°C for 1 hour to form phosphorous-doped porous graphene. The material is then heated to 800°C for 30 minutes in a mixed argon and ammonia atmosphere to produce N-P doping porous graphene.
Layer stacks claimed or described, ordered top of device to substrate.
supercapacitor
Materials described outside the worked examples.
ionic liquid electrolyte
1-Ethyl-3-methylimidazolium (EMI)
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4. In order to measure electrical properties of the single electrode of the active material of the present invention, the above-mentioned electrical …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Gravimetric Capacitance | 105 F/g | nitrogen-phosphorous (N-P) doping porous graphene |
Volumetric Power Density |
Related documents with shared materials, methods, properties, or citations.
N-methyl-N-propylpyrrolidinium (PMP)
N-butyl-N-methylpyrrolidinium (BMP)
Bis(fluorosulfonyl)imide (FSI)
bis(trifluoromethylsulfony)imide (TFSI)
tetrafluoroborate (BF₄)
BF₄
conductive substrate
phosphorous doping porous graphene
EMI-FSI ionic liquid
aluminum (Al) substrate
Al
FIG. 8 is a schematic diagram illustrating an electrical measurement of the electrical evaluation device acc o rding to
FIG. 9 is a schematic diagram illustrating an electrical performance of undoped porous graphene. [0026]
FIG. 9 is a schematic diagram illustrating an electrical performance of undoped porous graphene. [0026]
FIG. 10 is a schematic diagram illustrating an electrical performance of N-P doping p oro us graphene. The t ri -electrode electrical evaluation device 3 is …
FIG. 10 is a schematic diagram illustrating an electrical performance of N-P doping p oro us graphene. The t ri -electrode electrical evaluation device 3 is …
FIG. 13, the physical properties of graphene can be greatly improved with the nitrogen and phosphorus d o ping technology of the present invention, thereby …
| 1.19 kW/L |
nitrogen-phosphorous (N-P) doping porous graphene |
Ionic Liquid Viscosity Max | 60 mPa.s | ionic liquid electrolyte |
Ionic Liquid Conductivity Min | 0.5 S/m | ionic liquid electrolyte |
Ionic Liquid Anion Diameter Max | 0.7 nm | ionic liquid electrolyte |
Ionic Liquid Cation Diameter Max | 0.7 nm | ionic liquid electrolyte |
Nitrogen Doping Level Min | 3 at% | nitrogen-phosphorous (N-P) doping porous graphene |
Phosphorous Doping Level Min | 1 at% | nitrogen-phosphorous (N-P) doping porous graphene |
Voltage | 2.1-1.4 V | — |
Pressure | ≤ 60 mPa | — |
Thickness | ≤ 0.7 nm | — |
N-methyl-N-propylpyrrolidinium (PMP)
N-butyl-N-methylpyrrolidinium (BMP)
Bis(fluorosulfonyl)imide (FSI)
bis(trifluoromethylsulfony)imide (TFSI)
tetrafluoroborate (BF₄)
BF₄
conductive substrate
phosphorous doping porous graphene
EMI-FSI ionic liquid
aluminum (Al) substrate
Al
FIG. 8 is a schematic diagram illustrating an electrical measurement of the electrical evaluation device acc o rding to
FIG. 9 is a schematic diagram illustrating an electrical performance of undoped porous graphene. [0026]
FIG. 9 is a schematic diagram illustrating an electrical performance of undoped porous graphene. [0026]
FIG. 10 is a schematic diagram illustrating an electrical performance of N-P doping p oro us graphene. The t ri -electrode electrical evaluation device 3 is …
FIG. 10 is a schematic diagram illustrating an electrical performance of N-P doping p oro us graphene. The t ri -electrode electrical evaluation device 3 is …
FIG. 13, the physical properties of graphene can be greatly improved with the nitrogen and phosphorus d o ping technology of the present invention, thereby …
| 1.19 kW/L |
nitrogen-phosphorous (N-P) doping porous graphene |
Ionic Liquid Viscosity Max | 60 mPa.s | ionic liquid electrolyte |
Ionic Liquid Conductivity Min | 0.5 S/m | ionic liquid electrolyte |
Ionic Liquid Anion Diameter Max | 0.7 nm | ionic liquid electrolyte |
Ionic Liquid Cation Diameter Max | 0.7 nm | ionic liquid electrolyte |
Nitrogen Doping Level Min | 3 at% | nitrogen-phosphorous (N-P) doping porous graphene |
Phosphorous Doping Level Min | 1 at% | nitrogen-phosphorous (N-P) doping porous graphene |
Voltage | 2.1-1.4 V | — |
Pressure | ≤ 60 mPa | — |
Thickness | ≤ 0.7 nm | — |
N-methyl-N-propylpyrrolidinium (PMP)
N-butyl-N-methylpyrrolidinium (BMP)
Bis(fluorosulfonyl)imide (FSI)
bis(trifluoromethylsulfony)imide (TFSI)
tetrafluoroborate (BF₄)
BF₄
conductive substrate
phosphorous doping porous graphene
EMI-FSI ionic liquid
aluminum (Al) substrate
Al
FIG. 8 is a schematic diagram illustrating an electrical measurement of the electrical evaluation device acc o rding to
FIG. 9 is a schematic diagram illustrating an electrical performance of undoped porous graphene. [0026]
FIG. 9 is a schematic diagram illustrating an electrical performance of undoped porous graphene. [0026]
FIG. 10 is a schematic diagram illustrating an electrical performance of N-P doping p oro us graphene. The t ri -electrode electrical evaluation device 3 is …
FIG. 10 is a schematic diagram illustrating an electrical performance of N-P doping p oro us graphene. The t ri -electrode electrical evaluation device 3 is …
FIG. 13, the physical properties of graphene can be greatly improved with the nitrogen and phosphorus d o ping technology of the present invention, thereby …
| 1.19 kW/L |
nitrogen-phosphorous (N-P) doping porous graphene |
Ionic Liquid Viscosity Max | 60 mPa.s | ionic liquid electrolyte |
Ionic Liquid Conductivity Min | 0.5 S/m | ionic liquid electrolyte |
Ionic Liquid Anion Diameter Max | 0.7 nm | ionic liquid electrolyte |
Ionic Liquid Cation Diameter Max | 0.7 nm | ionic liquid electrolyte |
Nitrogen Doping Level Min | 3 at% | nitrogen-phosphorous (N-P) doping porous graphene |
Phosphorous Doping Level Min | 1 at% | nitrogen-phosphorous (N-P) doping porous graphene |
Voltage | 2.1-1.4 V | — |
Pressure | ≤ 60 mPa | — |
Thickness | ≤ 0.7 nm | — |
N-methyl-N-propylpyrrolidinium (PMP)
N-butyl-N-methylpyrrolidinium (BMP)
Bis(fluorosulfonyl)imide (FSI)
bis(trifluoromethylsulfony)imide (TFSI)
tetrafluoroborate (BF₄)
BF₄
conductive substrate
phosphorous doping porous graphene
EMI-FSI ionic liquid
aluminum (Al) substrate
Al
FIG. 8 is a schematic diagram illustrating an electrical measurement of the electrical evaluation device acc o rding to
FIG. 9 is a schematic diagram illustrating an electrical performance of undoped porous graphene. [0026]
FIG. 9 is a schematic diagram illustrating an electrical performance of undoped porous graphene. [0026]
FIG. 10 is a schematic diagram illustrating an electrical performance of N-P doping p oro us graphene. The t ri -electrode electrical evaluation device 3 is …
FIG. 10 is a schematic diagram illustrating an electrical performance of N-P doping p oro us graphene. The t ri -electrode electrical evaluation device 3 is …
FIG. 13, the physical properties of graphene can be greatly improved with the nitrogen and phosphorus d o ping technology of the present invention, thereby …
| 1.19 kW/L |
nitrogen-phosphorous (N-P) doping porous graphene |
Ionic Liquid Viscosity Max | 60 mPa.s | ionic liquid electrolyte |
Ionic Liquid Conductivity Min | 0.5 S/m | ionic liquid electrolyte |
Ionic Liquid Anion Diameter Max | 0.7 nm | ionic liquid electrolyte |
Ionic Liquid Cation Diameter Max | 0.7 nm | ionic liquid electrolyte |
Nitrogen Doping Level Min | 3 at% | nitrogen-phosphorous (N-P) doping porous graphene |
Phosphorous Doping Level Min | 1 at% | nitrogen-phosphorous (N-P) doping porous graphene |
Voltage | 2.1-1.4 V | — |
Pressure | ≤ 60 mPa | — |
Thickness | ≤ 0.7 nm | — |