Patent
US 8,665,049GRAPHENE-COATED COUPLING COIL FOR AC RESISTANCE REDUCTION
John M. Miller
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 8,665,049Patent drawings and their descriptions. Click a drawing to enlarge it.
FIGS. 1 A and 1 B is schematically illustrated. The system includes a charging station, a vehicle, and an optional gateway system, and an optional computing …
FIG. 2 shows a schematic of a portion of the exemplary wireless power transfer system of
FIG. 3C. The nearly sinusoidal O RNL 2637.1 Page 12 of 31 current is rectified to provide an input voltage as illustrated in
FIG. 4 is a high level functional diagram for the WPT illustrating various modules of an exemplary wireless power transfer system according to an embodiment of …
FIG. 5, a schematic for a charging station is shown, which can be employed for residential, stationary charging and public parking structure parking. A single …
FIG. 6A, a photograph shows a comparative exemplary structure including a wireless charging coupling coil. The wireless charging coupling coil of
FIG. 7, a contour plot of the magnitude of magnetic field generated by alternating current passing through a set of three parallel circular conductive wires …
FIGS. 8A, 8 B, 8C, and 8D. [0104] The metallic seed layer can be a thin metallic coating. For example, the thin metallic coating can have a thickness from one …
FIG. 9A. In one embodiment, the thickness of individual graphene layers can be from 0.2 micron to 6 micron. [0106] In an exemplary illustration, the support …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A structure comprising a first coupling coil for coupling a magnetic field with second coupling coil, said first coupling coil comprising: a support structure generally shaped to provide at least one loop and extending along a lengthwise direction at each portion thereof; a coating of at least one graphene layer that circumferentially surrounds said support structure, wherein a basal plane of said at least one graphene layer is tangential to a local surface of said support structure at each point in a circumference of said support structure;and a metallic seed la y er comprising at least one of nickel and a refractory metal, and c onti g uous l y surrounding and contacting outer surfaces of said support structure, and in direct contact with said at least one graphene la y er.
The structure of Claim 1, wherein said support structure has a shape of a tube with a cavity therein.
The structure of Claim 1, wherein said support structure comprises a metallic material.
The structure of Claim 1, further comprising an insulator layer that circumferentially surrounds said coating. original
The structure of Claim 1, wherein said at least one graphene layer comprises a plurality of graphene layers that collectively extend around an entirety of said circumference, wherein said plurality of graphene layers comprise at least one graphene layer that does not extend around said entirety of said circumference. 2 H \work\2017\28796\AM E ND\28796 am l doc
The structure of Claim 1, wherein said first coupling coil is configured to enclose an area, and is configured to generate, or capture, a flux of a magnetic field that passes through said enclosed area.
The structure of Claim 1, wherein said at least one graphene layer comprises a plurality of graphene layers, and at least 20 % of said plurality of graphene layers is metallic graphene layers.
The structure of Claim 1, wherein said structure further comprises said second coupling coil, and said second coupling coil comprises: a second support structure generally shaped to form at least another loop and extending along a lengthwise direction at each portion thereof; a second coating of at least another graphene layer that circumferentially surrounds said second support structure, wherein a basal plane of said at least another graphene layer is tangential to a local surface of said second support structure at each point in a circumference of said another support structure.
canceled
A conductive structure comprising: a support structure extending along a lengthwise direction; [[and]] a coating of at least one graphene layer that circumferentially surrounds said support structure, wherein a basal plane of said at least one graphene layer is tangential to a local surface of said support structure at each point in a circumference of said support structure; and a metallic seed layer comprising at least one of nickel and a refractory metal, and c onti gu ous l y surrounding and contacting outer surfaces of said support structure, and in direct contact with said at least one graphene la y er. 3 H \work\2017\28796\A M END\28796 am l doc
The conductive structure of Claim 11, wherein said support structure has a shape of a tube with a cavity therein.
The conductive structure of Claim 11, wherein said at least one graphene layer comprises at least a contiguous graphene layer that contiguously extends around an entirety of said circumference.
The conductive structure of Claim 11, wherein said at least one graphene layer comprises a plurality of graphene layers that collectively extend around an entirety of said circumference, wherein said plurality of graphene layers comprise at least one graphene layer that does not extend around said entirety of said circumference.
The conductive structure of Claim 11, wherein said conductive structure is configured to enclose an area, and is configured to generate, or capture, a flux of a magnetic field that passes through said enclosed area.
canceled
A wireless power transfer system comprising: a primary circuit including a grid converter and a primary coil located in a primary pad; and a secondary circuit located in a vehicle and comprising a secondary coil, wherein said primary coil comprises: a first support structure generally shaped to provide at least one first loop and extending along a lengthwise direction at each portion thereof; [[and]] a first coating of at least one graphene layer that circumferentially surrounds said support structure, wherein a basal plane of said at least one graphene layer is tangential to a local surface of said support structure at each point in a circumference of said support structure; and 4 H \work\2017\28796\AMEN D \28796 a ml doc a metallic seed layer com p rising at least one of nickel and a refractor y metal, and contiguously surrounding and contacting outer surfaces of said first support structure, and in direct contact with said at least one graphene layer. currently amended
The wireless power transfer system of Claim 18, wherein said secondary coil comprises: a second support structure generally shaped to form at least another loop and extending along a lengthwise direction at each portion thereof; a second coating of at least another graphene layer that circumferentially surrounds said second support structure, wherein a basal plane of said at least another graphene layer is tangential to a local surface of said second support structure at each point in a circumference of said second support structure.
The wireless power transfer system of Claim 18, wherein said first support structure has a shape of a tube with a cavity therein.
The wireless power transfer system of Claim 18, wherein said first support structure comprises a metallic material.
The wireless power transfer system of Claim 18, wherein said primary coil further comprises an insulator layer that circumferentially surrounds said first coating. 5 H \work\2017\28796 \A MEND\28796 am l doc
canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene-coated coupling coil structure
second coupling coil
Materials described outside the worked examples.
graphene layer
nickel
Ni
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 3C. The nearly sinusoidal O RNL 2637.1 Page 12 of 31 current is rectified to provide an input voltage as illustrated in
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PASSIVE LAYER FOR ATTENUATION OF NEAR-FIELD ELECTROMAGNETIC WAVES AND HEATDISSIPATION INCLUDING GRAPHENE, AND ELECTROMAGNETIC DEVICE INCLUDING THE SAME
METHOD FOR PROCESSING A CARRIER AND METHOD FOR TRANSFERRING A GRAPHENE LAYER
Patent
Atlas literature
Patent
US 8,665,049Patent drawings and their descriptions. Click a drawing to enlarge it.
FIGS. 1 A and 1 B is schematically illustrated. The system includes a charging station, a vehicle, and an optional gateway system, and an optional computing …
FIG. 2 shows a schematic of a portion of the exemplary wireless power transfer system of
FIG. 3C. The nearly sinusoidal O RNL 2637.1 Page 12 of 31 current is rectified to provide an input voltage as illustrated in
FIG. 4 is a high level functional diagram for the WPT illustrating various modules of an exemplary wireless power transfer system according to an embodiment of …
FIG. 5, a schematic for a charging station is shown, which can be employed for residential, stationary charging and public parking structure parking. A single …
FIG. 6A, a photograph shows a comparative exemplary structure including a wireless charging coupling coil. The wireless charging coupling coil of
FIG. 7, a contour plot of the magnitude of magnetic field generated by alternating current passing through a set of three parallel circular conductive wires …
FIGS. 8A, 8 B, 8C, and 8D. [0104] The metallic seed layer can be a thin metallic coating. For example, the thin metallic coating can have a thickness from one …
FIG. 9A. In one embodiment, the thickness of individual graphene layers can be from 0.2 micron to 6 micron. [0106] In an exemplary illustration, the support …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A structure comprising a first coupling coil for coupling a magnetic field with second coupling coil, said first coupling coil comprising: a support structure generally shaped to provide at least one loop and extending along a lengthwise direction at each portion thereof; a coating of at least one graphene layer that circumferentially surrounds said support structure, wherein a basal plane of said at least one graphene layer is tangential to a local surface of said support structure at each point in a circumference of said support structure;and a metallic seed la y er comprising at least one of nickel and a refractory metal, and c onti g uous l y surrounding and contacting outer surfaces of said support structure, and in direct contact with said at least one graphene la y er.
The structure of Claim 1, wherein said support structure has a shape of a tube with a cavity therein.
The structure of Claim 1, wherein said support structure comprises a metallic material.
The structure of Claim 1, further comprising an insulator layer that circumferentially surrounds said coating. original
The structure of Claim 1, wherein said at least one graphene layer comprises a plurality of graphene layers that collectively extend around an entirety of said circumference, wherein said plurality of graphene layers comprise at least one graphene layer that does not extend around said entirety of said circumference. 2 H \work\2017\28796\AM E ND\28796 am l doc
The structure of Claim 1, wherein said first coupling coil is configured to enclose an area, and is configured to generate, or capture, a flux of a magnetic field that passes through said enclosed area.
The structure of Claim 1, wherein said at least one graphene layer comprises a plurality of graphene layers, and at least 20 % of said plurality of graphene layers is metallic graphene layers.
The structure of Claim 1, wherein said structure further comprises said second coupling coil, and said second coupling coil comprises: a second support structure generally shaped to form at least another loop and extending along a lengthwise direction at each portion thereof; a second coating of at least another graphene layer that circumferentially surrounds said second support structure, wherein a basal plane of said at least another graphene layer is tangential to a local surface of said second support structure at each point in a circumference of said another support structure.
canceled
A conductive structure comprising: a support structure extending along a lengthwise direction; [[and]] a coating of at least one graphene layer that circumferentially surrounds said support structure, wherein a basal plane of said at least one graphene layer is tangential to a local surface of said support structure at each point in a circumference of said support structure; and a metallic seed layer comprising at least one of nickel and a refractory metal, and c onti gu ous l y surrounding and contacting outer surfaces of said support structure, and in direct contact with said at least one graphene la y er. 3 H \work\2017\28796\A M END\28796 am l doc
The conductive structure of Claim 11, wherein said support structure has a shape of a tube with a cavity therein.
The conductive structure of Claim 11, wherein said at least one graphene layer comprises at least a contiguous graphene layer that contiguously extends around an entirety of said circumference.
The conductive structure of Claim 11, wherein said at least one graphene layer comprises a plurality of graphene layers that collectively extend around an entirety of said circumference, wherein said plurality of graphene layers comprise at least one graphene layer that does not extend around said entirety of said circumference.
The conductive structure of Claim 11, wherein said conductive structure is configured to enclose an area, and is configured to generate, or capture, a flux of a magnetic field that passes through said enclosed area.
canceled
A wireless power transfer system comprising: a primary circuit including a grid converter and a primary coil located in a primary pad; and a secondary circuit located in a vehicle and comprising a secondary coil, wherein said primary coil comprises: a first support structure generally shaped to provide at least one first loop and extending along a lengthwise direction at each portion thereof; [[and]] a first coating of at least one graphene layer that circumferentially surrounds said support structure, wherein a basal plane of said at least one graphene layer is tangential to a local surface of said support structure at each point in a circumference of said support structure; and 4 H \work\2017\28796\AMEN D \28796 a ml doc a metallic seed layer com p rising at least one of nickel and a refractor y metal, and contiguously surrounding and contacting outer surfaces of said first support structure, and in direct contact with said at least one graphene layer. currently amended
The wireless power transfer system of Claim 18, wherein said secondary coil comprises: a second support structure generally shaped to form at least another loop and extending along a lengthwise direction at each portion thereof; a second coating of at least another graphene layer that circumferentially surrounds said second support structure, wherein a basal plane of said at least another graphene layer is tangential to a local surface of said second support structure at each point in a circumference of said second support structure.
The wireless power transfer system of Claim 18, wherein said first support structure has a shape of a tube with a cavity therein.
The wireless power transfer system of Claim 18, wherein said first support structure comprises a metallic material.
The wireless power transfer system of Claim 18, wherein said primary coil further comprises an insulator layer that circumferentially surrounds said first coating. 5 H \work\2017\28796 \A MEND\28796 am l doc
canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene-coated coupling coil structure
second coupling coil
Materials described outside the worked examples.
graphene layer
nickel
Ni
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 3C. The nearly sinusoidal O RNL 2637.1 Page 12 of 31 current is rectified to provide an input voltage as illustrated in
Related documents with shared materials, methods, properties, or citations.
PASSIVE LAYER FOR ATTENUATION OF NEAR-FIELD ELECTROMAGNETIC WAVES AND HEATDISSIPATION INCLUDING GRAPHENE, AND ELECTROMAGNETIC DEVICE INCLUDING THE SAME
METHOD FOR PROCESSING A CARRIER AND METHOD FOR TRANSFERRING A GRAPHENE LAYER
Patent
Atlas literature
Patent
US 8,665,049Patent drawings and their descriptions. Click a drawing to enlarge it.
FIGS. 1 A and 1 B is schematically illustrated. The system includes a charging station, a vehicle, and an optional gateway system, and an optional computing …
FIG. 2 shows a schematic of a portion of the exemplary wireless power transfer system of
FIG. 3C. The nearly sinusoidal O RNL 2637.1 Page 12 of 31 current is rectified to provide an input voltage as illustrated in
FIG. 4 is a high level functional diagram for the WPT illustrating various modules of an exemplary wireless power transfer system according to an embodiment of …
FIG. 5, a schematic for a charging station is shown, which can be employed for residential, stationary charging and public parking structure parking. A single …
FIG. 6A, a photograph shows a comparative exemplary structure including a wireless charging coupling coil. The wireless charging coupling coil of
FIG. 7, a contour plot of the magnitude of magnetic field generated by alternating current passing through a set of three parallel circular conductive wires …
FIGS. 8A, 8 B, 8C, and 8D. [0104] The metallic seed layer can be a thin metallic coating. For example, the thin metallic coating can have a thickness from one …
FIG. 9A. In one embodiment, the thickness of individual graphene layers can be from 0.2 micron to 6 micron. [0106] In an exemplary illustration, the support …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A structure comprising a first coupling coil for coupling a magnetic field with second coupling coil, said first coupling coil comprising: a support structure generally shaped to provide at least one loop and extending along a lengthwise direction at each portion thereof; a coating of at least one graphene layer that circumferentially surrounds said support structure, wherein a basal plane of said at least one graphene layer is tangential to a local surface of said support structure at each point in a circumference of said support structure;and a metallic seed la y er comprising at least one of nickel and a refractory metal, and c onti g uous l y surrounding and contacting outer surfaces of said support structure, and in direct contact with said at least one graphene la y er.
The structure of Claim 1, wherein said support structure has a shape of a tube with a cavity therein.
The structure of Claim 1, wherein said support structure comprises a metallic material.
The structure of Claim 1, further comprising an insulator layer that circumferentially surrounds said coating. original
The structure of Claim 1, wherein said at least one graphene layer comprises a plurality of graphene layers that collectively extend around an entirety of said circumference, wherein said plurality of graphene layers comprise at least one graphene layer that does not extend around said entirety of said circumference. 2 H \work\2017\28796\AM E ND\28796 am l doc
The structure of Claim 1, wherein said first coupling coil is configured to enclose an area, and is configured to generate, or capture, a flux of a magnetic field that passes through said enclosed area.
The structure of Claim 1, wherein said at least one graphene layer comprises a plurality of graphene layers, and at least 20 % of said plurality of graphene layers is metallic graphene layers.
The structure of Claim 1, wherein said structure further comprises said second coupling coil, and said second coupling coil comprises: a second support structure generally shaped to form at least another loop and extending along a lengthwise direction at each portion thereof; a second coating of at least another graphene layer that circumferentially surrounds said second support structure, wherein a basal plane of said at least another graphene layer is tangential to a local surface of said second support structure at each point in a circumference of said another support structure.
canceled
A conductive structure comprising: a support structure extending along a lengthwise direction; [[and]] a coating of at least one graphene layer that circumferentially surrounds said support structure, wherein a basal plane of said at least one graphene layer is tangential to a local surface of said support structure at each point in a circumference of said support structure; and a metallic seed layer comprising at least one of nickel and a refractory metal, and c onti gu ous l y surrounding and contacting outer surfaces of said support structure, and in direct contact with said at least one graphene la y er. 3 H \work\2017\28796\A M END\28796 am l doc
The conductive structure of Claim 11, wherein said support structure has a shape of a tube with a cavity therein.
The conductive structure of Claim 11, wherein said at least one graphene layer comprises at least a contiguous graphene layer that contiguously extends around an entirety of said circumference.
The conductive structure of Claim 11, wherein said at least one graphene layer comprises a plurality of graphene layers that collectively extend around an entirety of said circumference, wherein said plurality of graphene layers comprise at least one graphene layer that does not extend around said entirety of said circumference.
The conductive structure of Claim 11, wherein said conductive structure is configured to enclose an area, and is configured to generate, or capture, a flux of a magnetic field that passes through said enclosed area.
canceled
A wireless power transfer system comprising: a primary circuit including a grid converter and a primary coil located in a primary pad; and a secondary circuit located in a vehicle and comprising a secondary coil, wherein said primary coil comprises: a first support structure generally shaped to provide at least one first loop and extending along a lengthwise direction at each portion thereof; [[and]] a first coating of at least one graphene layer that circumferentially surrounds said support structure, wherein a basal plane of said at least one graphene layer is tangential to a local surface of said support structure at each point in a circumference of said support structure; and 4 H \work\2017\28796\AMEN D \28796 a ml doc a metallic seed layer com p rising at least one of nickel and a refractor y metal, and contiguously surrounding and contacting outer surfaces of said first support structure, and in direct contact with said at least one graphene layer. currently amended
The wireless power transfer system of Claim 18, wherein said secondary coil comprises: a second support structure generally shaped to form at least another loop and extending along a lengthwise direction at each portion thereof; a second coating of at least another graphene layer that circumferentially surrounds said second support structure, wherein a basal plane of said at least another graphene layer is tangential to a local surface of said second support structure at each point in a circumference of said second support structure.
The wireless power transfer system of Claim 18, wherein said first support structure has a shape of a tube with a cavity therein.
The wireless power transfer system of Claim 18, wherein said first support structure comprises a metallic material.
The wireless power transfer system of Claim 18, wherein said primary coil further comprises an insulator layer that circumferentially surrounds said first coating. 5 H \work\2017\28796 \A MEND\28796 am l doc
canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene-coated coupling coil structure
second coupling coil
Materials described outside the worked examples.
graphene layer
nickel
Ni
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 3C. The nearly sinusoidal O RNL 2637.1 Page 12 of 31 current is rectified to provide an input voltage as illustrated in
Related documents with shared materials, methods, properties, or citations.
PASSIVE LAYER FOR ATTENUATION OF NEAR-FIELD ELECTROMAGNETIC WAVES AND HEATDISSIPATION INCLUDING GRAPHENE, AND ELECTROMAGNETIC DEVICE INCLUDING THE SAME
METHOD FOR PROCESSING A CARRIER AND METHOD FOR TRANSFERRING A GRAPHENE LAYER
Patent
Atlas literature
Patent
US 8,665,049Patent drawings and their descriptions. Click a drawing to enlarge it.
FIGS. 1 A and 1 B is schematically illustrated. The system includes a charging station, a vehicle, and an optional gateway system, and an optional computing …
FIG. 2 shows a schematic of a portion of the exemplary wireless power transfer system of
FIG. 3C. The nearly sinusoidal O RNL 2637.1 Page 12 of 31 current is rectified to provide an input voltage as illustrated in
FIG. 4 is a high level functional diagram for the WPT illustrating various modules of an exemplary wireless power transfer system according to an embodiment of …
FIG. 5, a schematic for a charging station is shown, which can be employed for residential, stationary charging and public parking structure parking. A single …
FIG. 6A, a photograph shows a comparative exemplary structure including a wireless charging coupling coil. The wireless charging coupling coil of
FIG. 7, a contour plot of the magnitude of magnetic field generated by alternating current passing through a set of three parallel circular conductive wires …
FIGS. 8A, 8 B, 8C, and 8D. [0104] The metallic seed layer can be a thin metallic coating. For example, the thin metallic coating can have a thickness from one …
FIG. 9A. In one embodiment, the thickness of individual graphene layers can be from 0.2 micron to 6 micron. [0106] In an exemplary illustration, the support …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A structure comprising a first coupling coil for coupling a magnetic field with second coupling coil, said first coupling coil comprising: a support structure generally shaped to provide at least one loop and extending along a lengthwise direction at each portion thereof; a coating of at least one graphene layer that circumferentially surrounds said support structure, wherein a basal plane of said at least one graphene layer is tangential to a local surface of said support structure at each point in a circumference of said support structure;and a metallic seed la y er comprising at least one of nickel and a refractory metal, and c onti g uous l y surrounding and contacting outer surfaces of said support structure, and in direct contact with said at least one graphene la y er.
The structure of Claim 1, wherein said support structure has a shape of a tube with a cavity therein.
The structure of Claim 1, wherein said support structure comprises a metallic material.
The structure of Claim 1, further comprising an insulator layer that circumferentially surrounds said coating. original
The structure of Claim 1, wherein said at least one graphene layer comprises a plurality of graphene layers that collectively extend around an entirety of said circumference, wherein said plurality of graphene layers comprise at least one graphene layer that does not extend around said entirety of said circumference. 2 H \work\2017\28796\AM E ND\28796 am l doc
The structure of Claim 1, wherein said first coupling coil is configured to enclose an area, and is configured to generate, or capture, a flux of a magnetic field that passes through said enclosed area.
The structure of Claim 1, wherein said at least one graphene layer comprises a plurality of graphene layers, and at least 20 % of said plurality of graphene layers is metallic graphene layers.
The structure of Claim 1, wherein said structure further comprises said second coupling coil, and said second coupling coil comprises: a second support structure generally shaped to form at least another loop and extending along a lengthwise direction at each portion thereof; a second coating of at least another graphene layer that circumferentially surrounds said second support structure, wherein a basal plane of said at least another graphene layer is tangential to a local surface of said second support structure at each point in a circumference of said another support structure.
canceled
A conductive structure comprising: a support structure extending along a lengthwise direction; [[and]] a coating of at least one graphene layer that circumferentially surrounds said support structure, wherein a basal plane of said at least one graphene layer is tangential to a local surface of said support structure at each point in a circumference of said support structure; and a metallic seed layer comprising at least one of nickel and a refractory metal, and c onti gu ous l y surrounding and contacting outer surfaces of said support structure, and in direct contact with said at least one graphene la y er. 3 H \work\2017\28796\A M END\28796 am l doc
The conductive structure of Claim 11, wherein said support structure has a shape of a tube with a cavity therein.
The conductive structure of Claim 11, wherein said at least one graphene layer comprises at least a contiguous graphene layer that contiguously extends around an entirety of said circumference.
The conductive structure of Claim 11, wherein said at least one graphene layer comprises a plurality of graphene layers that collectively extend around an entirety of said circumference, wherein said plurality of graphene layers comprise at least one graphene layer that does not extend around said entirety of said circumference.
The conductive structure of Claim 11, wherein said conductive structure is configured to enclose an area, and is configured to generate, or capture, a flux of a magnetic field that passes through said enclosed area.
canceled
A wireless power transfer system comprising: a primary circuit including a grid converter and a primary coil located in a primary pad; and a secondary circuit located in a vehicle and comprising a secondary coil, wherein said primary coil comprises: a first support structure generally shaped to provide at least one first loop and extending along a lengthwise direction at each portion thereof; [[and]] a first coating of at least one graphene layer that circumferentially surrounds said support structure, wherein a basal plane of said at least one graphene layer is tangential to a local surface of said support structure at each point in a circumference of said support structure; and 4 H \work\2017\28796\AMEN D \28796 a ml doc a metallic seed layer com p rising at least one of nickel and a refractor y metal, and contiguously surrounding and contacting outer surfaces of said first support structure, and in direct contact with said at least one graphene layer. currently amended
The wireless power transfer system of Claim 18, wherein said secondary coil comprises: a second support structure generally shaped to form at least another loop and extending along a lengthwise direction at each portion thereof; a second coating of at least another graphene layer that circumferentially surrounds said second support structure, wherein a basal plane of said at least another graphene layer is tangential to a local surface of said second support structure at each point in a circumference of said second support structure.
The wireless power transfer system of Claim 18, wherein said first support structure has a shape of a tube with a cavity therein.
The wireless power transfer system of Claim 18, wherein said first support structure comprises a metallic material.
The wireless power transfer system of Claim 18, wherein said primary coil further comprises an insulator layer that circumferentially surrounds said first coating. 5 H \work\2017\28796 \A MEND\28796 am l doc
canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene-coated coupling coil structure
second coupling coil
Materials described outside the worked examples.
graphene layer
nickel
Ni
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 3C. The nearly sinusoidal O RNL 2637.1 Page 12 of 31 current is rectified to provide an input voltage as illustrated in
Related documents with shared materials, methods, properties, or citations.
PASSIVE LAYER FOR ATTENUATION OF NEAR-FIELD ELECTROMAGNETIC WAVES AND HEATDISSIPATION INCLUDING GRAPHENE, AND ELECTROMAGNETIC DEVICE INCLUDING THE SAME
METHOD FOR PROCESSING A CARRIER AND METHOD FOR TRANSFERRING A GRAPHENE LAYER
graphene-coated conductive structure
wireless power transfer system with graphene-coated primary coil
refractory metal
metallic material
insulator layer
FIG. 6A, a photograph shows a comparative exemplary structure including a wireless charging coupling coil. The wireless charging coupling coil of
FIGS. 8A, 8 B, 8C, and 8D. [0104] The metallic seed layer can be a thin metallic coating. For example, the thin metallic coating can have a thickness from one …
FIG. 9A. In one embodiment, the thickness of individual graphene layers can be from 0.2 micron to 6 micron. [0106] In an exemplary illustration, the support …
graphene-coated conductive structure
wireless power transfer system with graphene-coated primary coil
refractory metal
metallic material
insulator layer
FIG. 6A, a photograph shows a comparative exemplary structure including a wireless charging coupling coil. The wireless charging coupling coil of
FIGS. 8A, 8 B, 8C, and 8D. [0104] The metallic seed layer can be a thin metallic coating. For example, the thin metallic coating can have a thickness from one …
FIG. 9A. In one embodiment, the thickness of individual graphene layers can be from 0.2 micron to 6 micron. [0106] In an exemplary illustration, the support …
graphene-coated conductive structure
wireless power transfer system with graphene-coated primary coil
refractory metal
metallic material
insulator layer
FIG. 6A, a photograph shows a comparative exemplary structure including a wireless charging coupling coil. The wireless charging coupling coil of
FIGS. 8A, 8 B, 8C, and 8D. [0104] The metallic seed layer can be a thin metallic coating. For example, the thin metallic coating can have a thickness from one …
FIG. 9A. In one embodiment, the thickness of individual graphene layers can be from 0.2 micron to 6 micron. [0106] In an exemplary illustration, the support …
graphene-coated conductive structure
wireless power transfer system with graphene-coated primary coil
refractory metal
metallic material
insulator layer
FIG. 6A, a photograph shows a comparative exemplary structure including a wireless charging coupling coil. The wireless charging coupling coil of
FIGS. 8A, 8 B, 8C, and 8D. [0104] The metallic seed layer can be a thin metallic coating. For example, the thin metallic coating can have a thickness from one …
FIG. 9A. In one embodiment, the thickness of individual graphene layers can be from 0.2 micron to 6 micron. [0106] In an exemplary illustration, the support …