Patent
US 10,984,962SENSOR AND SUPERCAPACITOR BASED ON GRAPHENE POLYPYRROLE 3D POROUS STRUCTURE, AND INTEGRATED DEVICE INCLUDING THE SAME
Jeongsook HA
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,984,962Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagram for illustrating a synthesis process of a graphene polypyrrole structure according to the inventive concept, [0026]
FIG. 2 is a diagram for illustrating a process of manufacturing a sensor and a supercapacitor using a graphene polypyrrole structure synthesized in
FIG. 3 is a diagram for illustrating that a hydrophobic paper is patterned, and then used as a mask for patterning a liquid metal, [0028]
FIG. 4 is a diagram for illustrating an integration of sensors and supercapacitors on a flexible substrate through a liquid metal, [0029]
FIG. 5 is a graph for illustrating pressure and temperature measurement mechanisms of a multi-sensor, [0030]
FIG. 6 shows a state after PDMS is coated on a synthesized graphene polypyrrole structure, [0031]
FIG. 7 shows a surface of a synthesized graphene polypyrrole structure based on polypyrrole synthesis time, [0032]
FIG. 8 is a diagram illustrating a thickness of a synthesized graphene polypyrrole structure based on polypyrrole synthesis time, [0033]
FIG. 9 shows a state after nickel is completely etched from a graphene polypyrrole structure, [0034]
FIG. 10 is a diagram illustrating a pressure performance of a multi- sensor manufactured according to the inventive concept, [0035]
FIG. 11 shows a temperature performance of a multi-sensor manufactured according to the inventive concept, [0036]
FIG. 12 is a diagram for illustrating that a multi-sensor manufactured according to the inventive concept may be driven by itself, and [0037]
FIG. 13 is a graph illustrating a capacitance difference of a supercapacitor manufactured according to the inventive concept based on a polypyrrole growth time.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A sensor based on a graphene polypy rr ole 3-dimensional (3D) porous structure, the sensor comprising: the graphene polypyrrole 3D porous structure, wherein the graphene polypyrrole 3D porous structure is prepared by growing graphene on a nickel 3D porous structure, growing polypyrrole on a graphene-grown nickel 3D porous structure, and then coating polydimethylsiloxane (PDMS) on a graphene polypy rr ole grown structure; and electrodes respectively disposed on top and bottom faces of the graphene polypyrrole 3D porous structure.
The sensor of claim 1, wherein the coating of the PDMS includes mixing ethyl acetate, PDMS base, and PDMS curing agent at a weight ratio of 100:10:1 to form a mixture, and immersing the graphene polypyrrole grown structure in the mixture.
The sensor of claim 1, wherein each of the electrodes includes a polyethylene terephthalate (PET) indium tin oxide (ITO) film, wherein each of silver paste layers is interposed between each PET ITO film and each of the top and bottom faces of the graphene polypyrrole 3D structure.
The sensor of claim 1, wherein a PDMS-coated graphene polypyrrole grown structure is washed with deionized (DI) water, is immersed in FeCl 3 solution and is heated to remove nickel from the PDMS-coated graphene polypy rr ole grown structure.
The sensor of claim 1, wherein the growing of the graphene on the nickel 3D porous structure includes chemical vapor depositing (CVD) the graphene on the nickel 3D porous structure while a thickness of the deposited graphene is controlled via an adjustment of a predetermined methane gas injection time.
A supercapacitor based on a graphene polypy rr ole 3-dimensional (3D) porous structure, the supercapacitor comprising: first and second graphene polypyrrole 3D porous structures, wherein each of the first and second graphene polypyrrole 3D porous structures is prepared by growing graphene on a nickel 3D porous structure, growing polypy rr ole on a graphene-grown nickel 3D porous structure, and then coating polydimethylsiloxane (PDMS) on a graphene polypyrrole grown structure; and first and second electrolytes respectively applied on single faces of the first and second graphene polypyrrole 3D porous structures, wherein the first and second graphene polypyrrole 3D porous structures are arranged such that the first and second electrolytes contact each other.
The supercapacitor of claim 6, wherein each of the electrolytes is prepared by mixing acetonitrile, propylene carbonate, poly methyl methacrylate, and LiC lO 4 at a mass ratio of 70:20:7:3.
An integrated device comprising: a sensor comprising a graphene polypyrrole 3-dimensional (3D) porous structure and electrodes respectively disposed on top and bottom faces of the graphene polypy rr ole 3D porous structure; a supercapacitor comprising two graphene polypyrrole 3D porous structures, and two electrolytes respectively applied on single faces of the two graphene polypy rr ole 3D porous structures; and a liquid metal for electrically connecting the sensor and the supercapacitor with each other, wherein at least one of the graphene polypy rr ole 3D porous structure and the graphene polypyrrole 3D porous structures is prepared by growing graphene on a nickel 3D porous structure, growing polypyrrole on a graphene-grown nickel 3D porous structure, and then coating polydimethylsiloxane (PDMS) on a graphene polypyrrole grown structure.
The integrated device of claim 8, wherein the sensor includes at least two sensors based on the graphene polypyrrole 3D porous structure, and wherein at least one of the at least two sensors is configured as a pressure sensor for measuring a least two sensors is configured as a temperature
The integrated device of claim 8, wherein the and the supercapacitor via a liquid metal patterning pressure, and at least another sensor of the at sensor for measuring a temperature. liquid metal electrically connects the sensor using a mask including a hydrophobic paper.
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
Nickel 3D porous structure (4 cm x 2 cm x 1 mm) placed in quartz glass. Argon (500 sccm) and hydrogen (200 sccm) flowed. Heated to 1000 °C. Then 30 sccm methane gas flowed for 20 minutes to grow graphene on nickel 3D porous structure.
6 materials2 process steps
1.84 g NaClO₄ and 2.5 ml pyrrole monomer added to 50 ml DI water. Nickel 3D porous structure with grown graphene immersed. Pyrrole polymer grown in 3-electrode manner (Ag/AgCl reference, Pt counter) at fixed voltage 0.8 V for 500 seconds. Structure washed with DI water, immersed in 1 M FeCl3, heated at 90 °C for ~16 hours to remove nickel support.
6 materials1 process step
Ethyl acetate, PDMS base, and PDMS curing agent mixed at weight ratio 100:10:1. Graphene polypyrrole structure immersed in mixture. Cured in oven at 60–70 °C (preferably 65 °C) for ~2 hours. PET/ITO films attached to top and bottom faces via silver paste.
5 materials1 process step
Acetonitrile, propylene carbonate, poly(methyl methacrylate), and LiClO₄ mixed at mass ratio 70:20:7:3. Heated at 60–80 °C (preferably 70 °C) for ~12 hours. Coated on graphene polypyrrole structure and placed in vacuum desiccator for ~30 minutes.
Layer stacks claimed or described, ordered top of device to substrate.
pressure/temperature sensor based on graphene polypyrrole 3D porous structure
supercapacitor based on graphene polypyrrole 3D porous structure
Materials described outside the worked examples.
liquid metal
hydrophobic paper mask
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 8 is a diagram illustrating a thickness of a synthesized graphene polypyrrole structure based on polypyrrole synthesis time, [0033]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 60–70 °C | — |
Temperature | 60–80 °C |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,984,962Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagram for illustrating a synthesis process of a graphene polypyrrole structure according to the inventive concept, [0026]
FIG. 2 is a diagram for illustrating a process of manufacturing a sensor and a supercapacitor using a graphene polypyrrole structure synthesized in
FIG. 3 is a diagram for illustrating that a hydrophobic paper is patterned, and then used as a mask for patterning a liquid metal, [0028]
FIG. 4 is a diagram for illustrating an integration of sensors and supercapacitors on a flexible substrate through a liquid metal, [0029]
FIG. 5 is a graph for illustrating pressure and temperature measurement mechanisms of a multi-sensor, [0030]
FIG. 6 shows a state after PDMS is coated on a synthesized graphene polypyrrole structure, [0031]
FIG. 7 shows a surface of a synthesized graphene polypyrrole structure based on polypyrrole synthesis time, [0032]
FIG. 8 is a diagram illustrating a thickness of a synthesized graphene polypyrrole structure based on polypyrrole synthesis time, [0033]
FIG. 9 shows a state after nickel is completely etched from a graphene polypyrrole structure, [0034]
FIG. 10 is a diagram illustrating a pressure performance of a multi- sensor manufactured according to the inventive concept, [0035]
FIG. 11 shows a temperature performance of a multi-sensor manufactured according to the inventive concept, [0036]
FIG. 12 is a diagram for illustrating that a multi-sensor manufactured according to the inventive concept may be driven by itself, and [0037]
FIG. 13 is a graph illustrating a capacitance difference of a supercapacitor manufactured according to the inventive concept based on a polypyrrole growth time.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A sensor based on a graphene polypy rr ole 3-dimensional (3D) porous structure, the sensor comprising: the graphene polypyrrole 3D porous structure, wherein the graphene polypyrrole 3D porous structure is prepared by growing graphene on a nickel 3D porous structure, growing polypyrrole on a graphene-grown nickel 3D porous structure, and then coating polydimethylsiloxane (PDMS) on a graphene polypy rr ole grown structure; and electrodes respectively disposed on top and bottom faces of the graphene polypyrrole 3D porous structure.
The sensor of claim 1, wherein the coating of the PDMS includes mixing ethyl acetate, PDMS base, and PDMS curing agent at a weight ratio of 100:10:1 to form a mixture, and immersing the graphene polypyrrole grown structure in the mixture.
The sensor of claim 1, wherein each of the electrodes includes a polyethylene terephthalate (PET) indium tin oxide (ITO) film, wherein each of silver paste layers is interposed between each PET ITO film and each of the top and bottom faces of the graphene polypyrrole 3D structure.
The sensor of claim 1, wherein a PDMS-coated graphene polypyrrole grown structure is washed with deionized (DI) water, is immersed in FeCl 3 solution and is heated to remove nickel from the PDMS-coated graphene polypy rr ole grown structure.
The sensor of claim 1, wherein the growing of the graphene on the nickel 3D porous structure includes chemical vapor depositing (CVD) the graphene on the nickel 3D porous structure while a thickness of the deposited graphene is controlled via an adjustment of a predetermined methane gas injection time.
A supercapacitor based on a graphene polypy rr ole 3-dimensional (3D) porous structure, the supercapacitor comprising: first and second graphene polypyrrole 3D porous structures, wherein each of the first and second graphene polypyrrole 3D porous structures is prepared by growing graphene on a nickel 3D porous structure, growing polypy rr ole on a graphene-grown nickel 3D porous structure, and then coating polydimethylsiloxane (PDMS) on a graphene polypyrrole grown structure; and first and second electrolytes respectively applied on single faces of the first and second graphene polypyrrole 3D porous structures, wherein the first and second graphene polypyrrole 3D porous structures are arranged such that the first and second electrolytes contact each other.
The supercapacitor of claim 6, wherein each of the electrolytes is prepared by mixing acetonitrile, propylene carbonate, poly methyl methacrylate, and LiC lO 4 at a mass ratio of 70:20:7:3.
An integrated device comprising: a sensor comprising a graphene polypyrrole 3-dimensional (3D) porous structure and electrodes respectively disposed on top and bottom faces of the graphene polypy rr ole 3D porous structure; a supercapacitor comprising two graphene polypyrrole 3D porous structures, and two electrolytes respectively applied on single faces of the two graphene polypy rr ole 3D porous structures; and a liquid metal for electrically connecting the sensor and the supercapacitor with each other, wherein at least one of the graphene polypy rr ole 3D porous structure and the graphene polypyrrole 3D porous structures is prepared by growing graphene on a nickel 3D porous structure, growing polypyrrole on a graphene-grown nickel 3D porous structure, and then coating polydimethylsiloxane (PDMS) on a graphene polypyrrole grown structure.
The integrated device of claim 8, wherein the sensor includes at least two sensors based on the graphene polypyrrole 3D porous structure, and wherein at least one of the at least two sensors is configured as a pressure sensor for measuring a least two sensors is configured as a temperature
The integrated device of claim 8, wherein the and the supercapacitor via a liquid metal patterning pressure, and at least another sensor of the at sensor for measuring a temperature. liquid metal electrically connects the sensor using a mask including a hydrophobic paper.
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
Nickel 3D porous structure (4 cm x 2 cm x 1 mm) placed in quartz glass. Argon (500 sccm) and hydrogen (200 sccm) flowed. Heated to 1000 °C. Then 30 sccm methane gas flowed for 20 minutes to grow graphene on nickel 3D porous structure.
6 materials2 process steps
1.84 g NaClO₄ and 2.5 ml pyrrole monomer added to 50 ml DI water. Nickel 3D porous structure with grown graphene immersed. Pyrrole polymer grown in 3-electrode manner (Ag/AgCl reference, Pt counter) at fixed voltage 0.8 V for 500 seconds. Structure washed with DI water, immersed in 1 M FeCl3, heated at 90 °C for ~16 hours to remove nickel support.
6 materials1 process step
Ethyl acetate, PDMS base, and PDMS curing agent mixed at weight ratio 100:10:1. Graphene polypyrrole structure immersed in mixture. Cured in oven at 60–70 °C (preferably 65 °C) for ~2 hours. PET/ITO films attached to top and bottom faces via silver paste.
5 materials1 process step
Acetonitrile, propylene carbonate, poly(methyl methacrylate), and LiClO₄ mixed at mass ratio 70:20:7:3. Heated at 60–80 °C (preferably 70 °C) for ~12 hours. Coated on graphene polypyrrole structure and placed in vacuum desiccator for ~30 minutes.
Layer stacks claimed or described, ordered top of device to substrate.
pressure/temperature sensor based on graphene polypyrrole 3D porous structure
supercapacitor based on graphene polypyrrole 3D porous structure
Materials described outside the worked examples.
liquid metal
hydrophobic paper mask
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 8 is a diagram illustrating a thickness of a synthesized graphene polypyrrole structure based on polypyrrole synthesis time, [0033]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 60–70 °C | — |
Temperature | 60–80 °C |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,984,962Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagram for illustrating a synthesis process of a graphene polypyrrole structure according to the inventive concept, [0026]
FIG. 2 is a diagram for illustrating a process of manufacturing a sensor and a supercapacitor using a graphene polypyrrole structure synthesized in
FIG. 3 is a diagram for illustrating that a hydrophobic paper is patterned, and then used as a mask for patterning a liquid metal, [0028]
FIG. 4 is a diagram for illustrating an integration of sensors and supercapacitors on a flexible substrate through a liquid metal, [0029]
FIG. 5 is a graph for illustrating pressure and temperature measurement mechanisms of a multi-sensor, [0030]
FIG. 6 shows a state after PDMS is coated on a synthesized graphene polypyrrole structure, [0031]
FIG. 7 shows a surface of a synthesized graphene polypyrrole structure based on polypyrrole synthesis time, [0032]
FIG. 8 is a diagram illustrating a thickness of a synthesized graphene polypyrrole structure based on polypyrrole synthesis time, [0033]
FIG. 9 shows a state after nickel is completely etched from a graphene polypyrrole structure, [0034]
FIG. 10 is a diagram illustrating a pressure performance of a multi- sensor manufactured according to the inventive concept, [0035]
FIG. 11 shows a temperature performance of a multi-sensor manufactured according to the inventive concept, [0036]
FIG. 12 is a diagram for illustrating that a multi-sensor manufactured according to the inventive concept may be driven by itself, and [0037]
FIG. 13 is a graph illustrating a capacitance difference of a supercapacitor manufactured according to the inventive concept based on a polypyrrole growth time.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A sensor based on a graphene polypy rr ole 3-dimensional (3D) porous structure, the sensor comprising: the graphene polypyrrole 3D porous structure, wherein the graphene polypyrrole 3D porous structure is prepared by growing graphene on a nickel 3D porous structure, growing polypyrrole on a graphene-grown nickel 3D porous structure, and then coating polydimethylsiloxane (PDMS) on a graphene polypy rr ole grown structure; and electrodes respectively disposed on top and bottom faces of the graphene polypyrrole 3D porous structure.
The sensor of claim 1, wherein the coating of the PDMS includes mixing ethyl acetate, PDMS base, and PDMS curing agent at a weight ratio of 100:10:1 to form a mixture, and immersing the graphene polypyrrole grown structure in the mixture.
The sensor of claim 1, wherein each of the electrodes includes a polyethylene terephthalate (PET) indium tin oxide (ITO) film, wherein each of silver paste layers is interposed between each PET ITO film and each of the top and bottom faces of the graphene polypyrrole 3D structure.
The sensor of claim 1, wherein a PDMS-coated graphene polypyrrole grown structure is washed with deionized (DI) water, is immersed in FeCl 3 solution and is heated to remove nickel from the PDMS-coated graphene polypy rr ole grown structure.
The sensor of claim 1, wherein the growing of the graphene on the nickel 3D porous structure includes chemical vapor depositing (CVD) the graphene on the nickel 3D porous structure while a thickness of the deposited graphene is controlled via an adjustment of a predetermined methane gas injection time.
A supercapacitor based on a graphene polypy rr ole 3-dimensional (3D) porous structure, the supercapacitor comprising: first and second graphene polypyrrole 3D porous structures, wherein each of the first and second graphene polypyrrole 3D porous structures is prepared by growing graphene on a nickel 3D porous structure, growing polypy rr ole on a graphene-grown nickel 3D porous structure, and then coating polydimethylsiloxane (PDMS) on a graphene polypyrrole grown structure; and first and second electrolytes respectively applied on single faces of the first and second graphene polypyrrole 3D porous structures, wherein the first and second graphene polypyrrole 3D porous structures are arranged such that the first and second electrolytes contact each other.
The supercapacitor of claim 6, wherein each of the electrolytes is prepared by mixing acetonitrile, propylene carbonate, poly methyl methacrylate, and LiC lO 4 at a mass ratio of 70:20:7:3.
An integrated device comprising: a sensor comprising a graphene polypyrrole 3-dimensional (3D) porous structure and electrodes respectively disposed on top and bottom faces of the graphene polypy rr ole 3D porous structure; a supercapacitor comprising two graphene polypyrrole 3D porous structures, and two electrolytes respectively applied on single faces of the two graphene polypy rr ole 3D porous structures; and a liquid metal for electrically connecting the sensor and the supercapacitor with each other, wherein at least one of the graphene polypy rr ole 3D porous structure and the graphene polypyrrole 3D porous structures is prepared by growing graphene on a nickel 3D porous structure, growing polypyrrole on a graphene-grown nickel 3D porous structure, and then coating polydimethylsiloxane (PDMS) on a graphene polypyrrole grown structure.
The integrated device of claim 8, wherein the sensor includes at least two sensors based on the graphene polypyrrole 3D porous structure, and wherein at least one of the at least two sensors is configured as a pressure sensor for measuring a least two sensors is configured as a temperature
The integrated device of claim 8, wherein the and the supercapacitor via a liquid metal patterning pressure, and at least another sensor of the at sensor for measuring a temperature. liquid metal electrically connects the sensor using a mask including a hydrophobic paper.
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
Nickel 3D porous structure (4 cm x 2 cm x 1 mm) placed in quartz glass. Argon (500 sccm) and hydrogen (200 sccm) flowed. Heated to 1000 °C. Then 30 sccm methane gas flowed for 20 minutes to grow graphene on nickel 3D porous structure.
6 materials2 process steps
1.84 g NaClO₄ and 2.5 ml pyrrole monomer added to 50 ml DI water. Nickel 3D porous structure with grown graphene immersed. Pyrrole polymer grown in 3-electrode manner (Ag/AgCl reference, Pt counter) at fixed voltage 0.8 V for 500 seconds. Structure washed with DI water, immersed in 1 M FeCl3, heated at 90 °C for ~16 hours to remove nickel support.
6 materials1 process step
Ethyl acetate, PDMS base, and PDMS curing agent mixed at weight ratio 100:10:1. Graphene polypyrrole structure immersed in mixture. Cured in oven at 60–70 °C (preferably 65 °C) for ~2 hours. PET/ITO films attached to top and bottom faces via silver paste.
5 materials1 process step
Acetonitrile, propylene carbonate, poly(methyl methacrylate), and LiClO₄ mixed at mass ratio 70:20:7:3. Heated at 60–80 °C (preferably 70 °C) for ~12 hours. Coated on graphene polypyrrole structure and placed in vacuum desiccator for ~30 minutes.
Layer stacks claimed or described, ordered top of device to substrate.
pressure/temperature sensor based on graphene polypyrrole 3D porous structure
supercapacitor based on graphene polypyrrole 3D porous structure
Materials described outside the worked examples.
liquid metal
hydrophobic paper mask
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 8 is a diagram illustrating a thickness of a synthesized graphene polypyrrole structure based on polypyrrole synthesis time, [0033]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 60–70 °C | — |
Temperature | 60–80 °C |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,984,962Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagram for illustrating a synthesis process of a graphene polypyrrole structure according to the inventive concept, [0026]
FIG. 2 is a diagram for illustrating a process of manufacturing a sensor and a supercapacitor using a graphene polypyrrole structure synthesized in
FIG. 3 is a diagram for illustrating that a hydrophobic paper is patterned, and then used as a mask for patterning a liquid metal, [0028]
FIG. 4 is a diagram for illustrating an integration of sensors and supercapacitors on a flexible substrate through a liquid metal, [0029]
FIG. 5 is a graph for illustrating pressure and temperature measurement mechanisms of a multi-sensor, [0030]
FIG. 6 shows a state after PDMS is coated on a synthesized graphene polypyrrole structure, [0031]
FIG. 7 shows a surface of a synthesized graphene polypyrrole structure based on polypyrrole synthesis time, [0032]
FIG. 8 is a diagram illustrating a thickness of a synthesized graphene polypyrrole structure based on polypyrrole synthesis time, [0033]
FIG. 9 shows a state after nickel is completely etched from a graphene polypyrrole structure, [0034]
FIG. 10 is a diagram illustrating a pressure performance of a multi- sensor manufactured according to the inventive concept, [0035]
FIG. 11 shows a temperature performance of a multi-sensor manufactured according to the inventive concept, [0036]
FIG. 12 is a diagram for illustrating that a multi-sensor manufactured according to the inventive concept may be driven by itself, and [0037]
FIG. 13 is a graph illustrating a capacitance difference of a supercapacitor manufactured according to the inventive concept based on a polypyrrole growth time.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A sensor based on a graphene polypy rr ole 3-dimensional (3D) porous structure, the sensor comprising: the graphene polypyrrole 3D porous structure, wherein the graphene polypyrrole 3D porous structure is prepared by growing graphene on a nickel 3D porous structure, growing polypyrrole on a graphene-grown nickel 3D porous structure, and then coating polydimethylsiloxane (PDMS) on a graphene polypy rr ole grown structure; and electrodes respectively disposed on top and bottom faces of the graphene polypyrrole 3D porous structure.
The sensor of claim 1, wherein the coating of the PDMS includes mixing ethyl acetate, PDMS base, and PDMS curing agent at a weight ratio of 100:10:1 to form a mixture, and immersing the graphene polypyrrole grown structure in the mixture.
The sensor of claim 1, wherein each of the electrodes includes a polyethylene terephthalate (PET) indium tin oxide (ITO) film, wherein each of silver paste layers is interposed between each PET ITO film and each of the top and bottom faces of the graphene polypyrrole 3D structure.
The sensor of claim 1, wherein a PDMS-coated graphene polypyrrole grown structure is washed with deionized (DI) water, is immersed in FeCl 3 solution and is heated to remove nickel from the PDMS-coated graphene polypy rr ole grown structure.
The sensor of claim 1, wherein the growing of the graphene on the nickel 3D porous structure includes chemical vapor depositing (CVD) the graphene on the nickel 3D porous structure while a thickness of the deposited graphene is controlled via an adjustment of a predetermined methane gas injection time.
A supercapacitor based on a graphene polypy rr ole 3-dimensional (3D) porous structure, the supercapacitor comprising: first and second graphene polypyrrole 3D porous structures, wherein each of the first and second graphene polypyrrole 3D porous structures is prepared by growing graphene on a nickel 3D porous structure, growing polypy rr ole on a graphene-grown nickel 3D porous structure, and then coating polydimethylsiloxane (PDMS) on a graphene polypyrrole grown structure; and first and second electrolytes respectively applied on single faces of the first and second graphene polypyrrole 3D porous structures, wherein the first and second graphene polypyrrole 3D porous structures are arranged such that the first and second electrolytes contact each other.
The supercapacitor of claim 6, wherein each of the electrolytes is prepared by mixing acetonitrile, propylene carbonate, poly methyl methacrylate, and LiC lO 4 at a mass ratio of 70:20:7:3.
An integrated device comprising: a sensor comprising a graphene polypyrrole 3-dimensional (3D) porous structure and electrodes respectively disposed on top and bottom faces of the graphene polypy rr ole 3D porous structure; a supercapacitor comprising two graphene polypyrrole 3D porous structures, and two electrolytes respectively applied on single faces of the two graphene polypy rr ole 3D porous structures; and a liquid metal for electrically connecting the sensor and the supercapacitor with each other, wherein at least one of the graphene polypy rr ole 3D porous structure and the graphene polypyrrole 3D porous structures is prepared by growing graphene on a nickel 3D porous structure, growing polypyrrole on a graphene-grown nickel 3D porous structure, and then coating polydimethylsiloxane (PDMS) on a graphene polypyrrole grown structure.
The integrated device of claim 8, wherein the sensor includes at least two sensors based on the graphene polypyrrole 3D porous structure, and wherein at least one of the at least two sensors is configured as a pressure sensor for measuring a least two sensors is configured as a temperature
The integrated device of claim 8, wherein the and the supercapacitor via a liquid metal patterning pressure, and at least another sensor of the at sensor for measuring a temperature. liquid metal electrically connects the sensor using a mask including a hydrophobic paper.
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
Nickel 3D porous structure (4 cm x 2 cm x 1 mm) placed in quartz glass. Argon (500 sccm) and hydrogen (200 sccm) flowed. Heated to 1000 °C. Then 30 sccm methane gas flowed for 20 minutes to grow graphene on nickel 3D porous structure.
6 materials2 process steps
1.84 g NaClO₄ and 2.5 ml pyrrole monomer added to 50 ml DI water. Nickel 3D porous structure with grown graphene immersed. Pyrrole polymer grown in 3-electrode manner (Ag/AgCl reference, Pt counter) at fixed voltage 0.8 V for 500 seconds. Structure washed with DI water, immersed in 1 M FeCl3, heated at 90 °C for ~16 hours to remove nickel support.
6 materials1 process step
Ethyl acetate, PDMS base, and PDMS curing agent mixed at weight ratio 100:10:1. Graphene polypyrrole structure immersed in mixture. Cured in oven at 60–70 °C (preferably 65 °C) for ~2 hours. PET/ITO films attached to top and bottom faces via silver paste.
5 materials1 process step
Acetonitrile, propylene carbonate, poly(methyl methacrylate), and LiClO₄ mixed at mass ratio 70:20:7:3. Heated at 60–80 °C (preferably 70 °C) for ~12 hours. Coated on graphene polypyrrole structure and placed in vacuum desiccator for ~30 minutes.
Layer stacks claimed or described, ordered top of device to substrate.
pressure/temperature sensor based on graphene polypyrrole 3D porous structure
supercapacitor based on graphene polypyrrole 3D porous structure
Materials described outside the worked examples.
liquid metal
hydrophobic paper mask
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 8 is a diagram illustrating a thickness of a synthesized graphene polypyrrole structure based on polypyrrole synthesis time, [0033]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 60–70 °C | — |
Temperature | 60–80 °C |
Related documents with shared materials, methods, properties, or citations.
integrated sensor-supercapacitor device with liquid metal interconnect
FIG. 10 is a diagram illustrating a pressure performance of a multi- sensor manufactured according to the inventive concept, [0035]
FIG. 11 shows a temperature performance of a multi-sensor manufactured according to the inventive concept, [0036]
FIG. 13 is a graph illustrating a capacitance difference of a supercapacitor manufactured according to the inventive concept based on a polypyrrole growth time.
| — |
integrated sensor-supercapacitor device with liquid metal interconnect
FIG. 10 is a diagram illustrating a pressure performance of a multi- sensor manufactured according to the inventive concept, [0035]
FIG. 11 shows a temperature performance of a multi-sensor manufactured according to the inventive concept, [0036]
FIG. 13 is a graph illustrating a capacitance difference of a supercapacitor manufactured according to the inventive concept based on a polypyrrole growth time.
| — |
integrated sensor-supercapacitor device with liquid metal interconnect
FIG. 10 is a diagram illustrating a pressure performance of a multi- sensor manufactured according to the inventive concept, [0035]
FIG. 11 shows a temperature performance of a multi-sensor manufactured according to the inventive concept, [0036]
FIG. 13 is a graph illustrating a capacitance difference of a supercapacitor manufactured according to the inventive concept based on a polypyrrole growth time.
| — |
integrated sensor-supercapacitor device with liquid metal interconnect
FIG. 10 is a diagram illustrating a pressure performance of a multi- sensor manufactured according to the inventive concept, [0035]
FIG. 11 shows a temperature performance of a multi-sensor manufactured according to the inventive concept, [0036]
FIG. 13 is a graph illustrating a capacitance difference of a supercapacitor manufactured according to the inventive concept based on a polypyrrole growth time.
| — |