Patent
US 10,644,315SINGLE-LAYER AND MULTILAYER GRAPHENE, METHOD OF MANUFACTURING THE SAME, OBJECT INCLUDING THE SAME, AND ELECTRIC DEVICE INCLUDING THE SAME
Teppei Oguni
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,644,315Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 2 schematically illustrates the above current collector and w hiskers, and a graphene layer. A surface o f a current collector 201 is processed to be …
FIG. 3 schematically illustrates a structure of a coin-type secondary battery. A s illustrated in FI G. 3, the coin-type secondary battery includes a cathode., …
FIG. 4 illustrates specific structures of the electronic and electric devices. In F IG. 4, a display device 40 1 is an example of an elec tron ic a nd electric …
FIGS. 5 A to 5 C ar e images showing silicon whiskers and a graphene layer formed on surfaces of the silicon whiskers. 1 0
FIGS. 6 A to 6C- are images relating to Example 1.
FIG. 7B shows the relation between the capacity and a change in 30 the potential which ar e asso c iat e d with the desorption (o r absorption) of lithium in …
FIG. 8A, an SE l f ormed o n the surface of Sample B 15 was not as thick as the S EI fo rmed on the sur face of Sample A. [0100] A coin cell was manufactured …
FIG. 25 4 illustrates the case where the. power storage device 424 is provided in the indoor unit 421; alternati vely, the power storage device 424 may be pro …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
2-3. Canceled
Canceled
The battery according to claim 1, wherein the active m aterial layer is a negative electrode active m aterial layer. Previously presented
The battery according to claim 1, wherein the one or each of the plurality of graphene layers includes at least one pore. Previously presented
The battery according to claim 1, further comprising a layer comprising a material different from graphene, the layer being provided over the one or the plurality of graphene layers. Previously presented
Canceled
The battery according to claim [[1]] 38, wherein the number of layers of the one or the plurality of graphene layers is 20 or less. Currently amended
The battery according to claim 1, wherein each o f the plurality o f whiskers comprises silicon. l 0. Canceled
1 1. (Previ o usly Presented) The battery acc o rding to claim 1, wherein a thic k ness of the plurality o f graphene layers is substantially un if orm. Previously presented
An electric device comprising the battery according to claim 1. Previously presented
13-28. Canceled
Canceled
An electr o de c o mprising: a current collector; an active material layer over the current collector, the active material layer comprising: a plurality of whiskers comprising silicon the plurality of whiskers comprising a first whisker and a second whisker; and one o r a plurality o f graphene layers covering the plura l ity o f whisk e rs, and wherein a part o f the one or the plurality o f graphene layers connects the first whisker to the second whisker. Currently amended
The electrode according to claim 29, wherein the one or each of the plurality of graphene layers includes at least o ne p o re. Previously presented
The electrode according to claim 29, f u rther comprising a layer comprising a material di ff erent f rom graphene, the layer being provided over the one or the plurality o f graphene layers. Previously presented
The electrode according to claim 29, wherein a thickness of the plurality of graphene layers is substantially uniform. Previously presented
An electric device comprising the electr o de according to claim 29. Previously presented
35. (Pr evio usly Presented) The electr o de acc o rding to claim 29, wherein the o ne or the plurality of graphene layers is provided o ver a surface of the current collector and a surface of the plurality of whis k ers. Previously presented
(Pr evio usly Presented) The electr o de acc o rding to claim 29, wherein a d e pressi o n between the first whis k er, the s eco nd whis k er, and the part of the o ne o r the plurality of graphene layers comprises a space. Previously presented
The electrode according to claim 29, wherein number o f layers o f the one or the plurality o f graphene layers is 50 or less, wherein a direction of the plurality of whiskers is rando m, wherein a c o ncentrati o n of elements other than carbon and hydrogen contained in the o ne o r the plurality of graphene layers is l ow er than o r equal to 1 5 ato m ic%, and wherein a c o ncentrati o n of oxygen contained in the o ne o r the plurality of graphene layers is higher than or equal to 5 ato m ic% and lower than or equal to 1 5 ato m ic% New
The electr o de acc o rding to claim [[29]] 39, wherein the number of layers of the o ne o r the plurality of graphene layers is 2 0 o r less. Currently amended
The battery according to claim 1, wherein a depression between the f irst whisker, the second whisker, and the part o f the one o r the plurality of graphene layers comprises a space. Previously presented
The battery according to claim 1, wherein number o f layers o f the one or the plurality of graphene layers is 50 or less, wherein a direction o f the plurality of whiskers is random, wherein a concentration of elements other than carbon and hydrogen contained in the one or the plurality o f graphene layers is lower than or equal to 1 5 atomic %, and wherein a c once ntrati o n of o xyg e n c o ntain e d in the o ne o r the plurality of graphene layers is higher than o r equal to 5 at o mic % and l ow er than o r equal to 1 5 at o mic%. New
Layer stacks claimed or described, ordered top of device to substrate.
battery with graphene-coated whisker electrode
electrode with silicon whiskers covered by graphene layers
Materials described outside the worked examples.
graphene
silicon whiskers
Si
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 7B shows the relation between the capacity and a change in 30 the potential which ar e asso c iat e d with the desorption (o r absorption) of lithium in …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
number of graphene layers (preferred range for electrode application) | 1–50 layers | graphene |
concentration of elements other than carbon and hydrogen in graphene layers (claim range) | ≤ 15 atomic% |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,644,315Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 2 schematically illustrates the above current collector and w hiskers, and a graphene layer. A surface o f a current collector 201 is processed to be …
FIG. 3 schematically illustrates a structure of a coin-type secondary battery. A s illustrated in FI G. 3, the coin-type secondary battery includes a cathode., …
FIG. 4 illustrates specific structures of the electronic and electric devices. In F IG. 4, a display device 40 1 is an example of an elec tron ic a nd electric …
FIGS. 5 A to 5 C ar e images showing silicon whiskers and a graphene layer formed on surfaces of the silicon whiskers. 1 0
FIGS. 6 A to 6C- are images relating to Example 1.
FIG. 7B shows the relation between the capacity and a change in 30 the potential which ar e asso c iat e d with the desorption (o r absorption) of lithium in …
FIG. 8A, an SE l f ormed o n the surface of Sample B 15 was not as thick as the S EI fo rmed on the sur face of Sample A. [0100] A coin cell was manufactured …
FIG. 25 4 illustrates the case where the. power storage device 424 is provided in the indoor unit 421; alternati vely, the power storage device 424 may be pro …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
2-3. Canceled
Canceled
The battery according to claim 1, wherein the active m aterial layer is a negative electrode active m aterial layer. Previously presented
The battery according to claim 1, wherein the one or each of the plurality of graphene layers includes at least one pore. Previously presented
The battery according to claim 1, further comprising a layer comprising a material different from graphene, the layer being provided over the one or the plurality of graphene layers. Previously presented
Canceled
The battery according to claim [[1]] 38, wherein the number of layers of the one or the plurality of graphene layers is 20 or less. Currently amended
The battery according to claim 1, wherein each o f the plurality o f whiskers comprises silicon. l 0. Canceled
1 1. (Previ o usly Presented) The battery acc o rding to claim 1, wherein a thic k ness of the plurality o f graphene layers is substantially un if orm. Previously presented
An electric device comprising the battery according to claim 1. Previously presented
13-28. Canceled
Canceled
An electr o de c o mprising: a current collector; an active material layer over the current collector, the active material layer comprising: a plurality of whiskers comprising silicon the plurality of whiskers comprising a first whisker and a second whisker; and one o r a plurality o f graphene layers covering the plura l ity o f whisk e rs, and wherein a part o f the one or the plurality o f graphene layers connects the first whisker to the second whisker. Currently amended
The electrode according to claim 29, wherein the one or each of the plurality of graphene layers includes at least o ne p o re. Previously presented
The electrode according to claim 29, f u rther comprising a layer comprising a material di ff erent f rom graphene, the layer being provided over the one or the plurality o f graphene layers. Previously presented
The electrode according to claim 29, wherein a thickness of the plurality of graphene layers is substantially uniform. Previously presented
An electric device comprising the electr o de according to claim 29. Previously presented
35. (Pr evio usly Presented) The electr o de acc o rding to claim 29, wherein the o ne or the plurality of graphene layers is provided o ver a surface of the current collector and a surface of the plurality of whis k ers. Previously presented
(Pr evio usly Presented) The electr o de acc o rding to claim 29, wherein a d e pressi o n between the first whis k er, the s eco nd whis k er, and the part of the o ne o r the plurality of graphene layers comprises a space. Previously presented
The electrode according to claim 29, wherein number o f layers o f the one or the plurality o f graphene layers is 50 or less, wherein a direction of the plurality of whiskers is rando m, wherein a c o ncentrati o n of elements other than carbon and hydrogen contained in the o ne o r the plurality of graphene layers is l ow er than o r equal to 1 5 ato m ic%, and wherein a c o ncentrati o n of oxygen contained in the o ne o r the plurality of graphene layers is higher than or equal to 5 ato m ic% and lower than or equal to 1 5 ato m ic% New
The electr o de acc o rding to claim [[29]] 39, wherein the number of layers of the o ne o r the plurality of graphene layers is 2 0 o r less. Currently amended
The battery according to claim 1, wherein a depression between the f irst whisker, the second whisker, and the part o f the one o r the plurality of graphene layers comprises a space. Previously presented
The battery according to claim 1, wherein number o f layers o f the one or the plurality of graphene layers is 50 or less, wherein a direction o f the plurality of whiskers is random, wherein a concentration of elements other than carbon and hydrogen contained in the one or the plurality o f graphene layers is lower than or equal to 1 5 atomic %, and wherein a c once ntrati o n of o xyg e n c o ntain e d in the o ne o r the plurality of graphene layers is higher than o r equal to 5 at o mic % and l ow er than o r equal to 1 5 at o mic%. New
Layer stacks claimed or described, ordered top of device to substrate.
battery with graphene-coated whisker electrode
electrode with silicon whiskers covered by graphene layers
Materials described outside the worked examples.
graphene
silicon whiskers
Si
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 7B shows the relation between the capacity and a change in 30 the potential which ar e asso c iat e d with the desorption (o r absorption) of lithium in …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
number of graphene layers (preferred range for electrode application) | 1–50 layers | graphene |
concentration of elements other than carbon and hydrogen in graphene layers (claim range) | ≤ 15 atomic% |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,644,315Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 2 schematically illustrates the above current collector and w hiskers, and a graphene layer. A surface o f a current collector 201 is processed to be …
FIG. 3 schematically illustrates a structure of a coin-type secondary battery. A s illustrated in FI G. 3, the coin-type secondary battery includes a cathode., …
FIG. 4 illustrates specific structures of the electronic and electric devices. In F IG. 4, a display device 40 1 is an example of an elec tron ic a nd electric …
FIGS. 5 A to 5 C ar e images showing silicon whiskers and a graphene layer formed on surfaces of the silicon whiskers. 1 0
FIGS. 6 A to 6C- are images relating to Example 1.
FIG. 7B shows the relation between the capacity and a change in 30 the potential which ar e asso c iat e d with the desorption (o r absorption) of lithium in …
FIG. 8A, an SE l f ormed o n the surface of Sample B 15 was not as thick as the S EI fo rmed on the sur face of Sample A. [0100] A coin cell was manufactured …
FIG. 25 4 illustrates the case where the. power storage device 424 is provided in the indoor unit 421; alternati vely, the power storage device 424 may be pro …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
2-3. Canceled
Canceled
The battery according to claim 1, wherein the active m aterial layer is a negative electrode active m aterial layer. Previously presented
The battery according to claim 1, wherein the one or each of the plurality of graphene layers includes at least one pore. Previously presented
The battery according to claim 1, further comprising a layer comprising a material different from graphene, the layer being provided over the one or the plurality of graphene layers. Previously presented
Canceled
The battery according to claim [[1]] 38, wherein the number of layers of the one or the plurality of graphene layers is 20 or less. Currently amended
The battery according to claim 1, wherein each o f the plurality o f whiskers comprises silicon. l 0. Canceled
1 1. (Previ o usly Presented) The battery acc o rding to claim 1, wherein a thic k ness of the plurality o f graphene layers is substantially un if orm. Previously presented
An electric device comprising the battery according to claim 1. Previously presented
13-28. Canceled
Canceled
An electr o de c o mprising: a current collector; an active material layer over the current collector, the active material layer comprising: a plurality of whiskers comprising silicon the plurality of whiskers comprising a first whisker and a second whisker; and one o r a plurality o f graphene layers covering the plura l ity o f whisk e rs, and wherein a part o f the one or the plurality o f graphene layers connects the first whisker to the second whisker. Currently amended
The electrode according to claim 29, wherein the one or each of the plurality of graphene layers includes at least o ne p o re. Previously presented
The electrode according to claim 29, f u rther comprising a layer comprising a material di ff erent f rom graphene, the layer being provided over the one or the plurality o f graphene layers. Previously presented
The electrode according to claim 29, wherein a thickness of the plurality of graphene layers is substantially uniform. Previously presented
An electric device comprising the electr o de according to claim 29. Previously presented
35. (Pr evio usly Presented) The electr o de acc o rding to claim 29, wherein the o ne or the plurality of graphene layers is provided o ver a surface of the current collector and a surface of the plurality of whis k ers. Previously presented
(Pr evio usly Presented) The electr o de acc o rding to claim 29, wherein a d e pressi o n between the first whis k er, the s eco nd whis k er, and the part of the o ne o r the plurality of graphene layers comprises a space. Previously presented
The electrode according to claim 29, wherein number o f layers o f the one or the plurality o f graphene layers is 50 or less, wherein a direction of the plurality of whiskers is rando m, wherein a c o ncentrati o n of elements other than carbon and hydrogen contained in the o ne o r the plurality of graphene layers is l ow er than o r equal to 1 5 ato m ic%, and wherein a c o ncentrati o n of oxygen contained in the o ne o r the plurality of graphene layers is higher than or equal to 5 ato m ic% and lower than or equal to 1 5 ato m ic% New
The electr o de acc o rding to claim [[29]] 39, wherein the number of layers of the o ne o r the plurality of graphene layers is 2 0 o r less. Currently amended
The battery according to claim 1, wherein a depression between the f irst whisker, the second whisker, and the part o f the one o r the plurality of graphene layers comprises a space. Previously presented
The battery according to claim 1, wherein number o f layers o f the one or the plurality of graphene layers is 50 or less, wherein a direction o f the plurality of whiskers is random, wherein a concentration of elements other than carbon and hydrogen contained in the one or the plurality o f graphene layers is lower than or equal to 1 5 atomic %, and wherein a c once ntrati o n of o xyg e n c o ntain e d in the o ne o r the plurality of graphene layers is higher than o r equal to 5 at o mic % and l ow er than o r equal to 1 5 at o mic%. New
Layer stacks claimed or described, ordered top of device to substrate.
battery with graphene-coated whisker electrode
electrode with silicon whiskers covered by graphene layers
Materials described outside the worked examples.
graphene
silicon whiskers
Si
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 7B shows the relation between the capacity and a change in 30 the potential which ar e asso c iat e d with the desorption (o r absorption) of lithium in …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
number of graphene layers (preferred range for electrode application) | 1–50 layers | graphene |
concentration of elements other than carbon and hydrogen in graphene layers (claim range) | ≤ 15 atomic% |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,644,315Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 2 schematically illustrates the above current collector and w hiskers, and a graphene layer. A surface o f a current collector 201 is processed to be …
FIG. 3 schematically illustrates a structure of a coin-type secondary battery. A s illustrated in FI G. 3, the coin-type secondary battery includes a cathode., …
FIG. 4 illustrates specific structures of the electronic and electric devices. In F IG. 4, a display device 40 1 is an example of an elec tron ic a nd electric …
FIGS. 5 A to 5 C ar e images showing silicon whiskers and a graphene layer formed on surfaces of the silicon whiskers. 1 0
FIGS. 6 A to 6C- are images relating to Example 1.
FIG. 7B shows the relation between the capacity and a change in 30 the potential which ar e asso c iat e d with the desorption (o r absorption) of lithium in …
FIG. 8A, an SE l f ormed o n the surface of Sample B 15 was not as thick as the S EI fo rmed on the sur face of Sample A. [0100] A coin cell was manufactured …
FIG. 25 4 illustrates the case where the. power storage device 424 is provided in the indoor unit 421; alternati vely, the power storage device 424 may be pro …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
2-3. Canceled
Canceled
The battery according to claim 1, wherein the active m aterial layer is a negative electrode active m aterial layer. Previously presented
The battery according to claim 1, wherein the one or each of the plurality of graphene layers includes at least one pore. Previously presented
The battery according to claim 1, further comprising a layer comprising a material different from graphene, the layer being provided over the one or the plurality of graphene layers. Previously presented
Canceled
The battery according to claim [[1]] 38, wherein the number of layers of the one or the plurality of graphene layers is 20 or less. Currently amended
The battery according to claim 1, wherein each o f the plurality o f whiskers comprises silicon. l 0. Canceled
1 1. (Previ o usly Presented) The battery acc o rding to claim 1, wherein a thic k ness of the plurality o f graphene layers is substantially un if orm. Previously presented
An electric device comprising the battery according to claim 1. Previously presented
13-28. Canceled
Canceled
An electr o de c o mprising: a current collector; an active material layer over the current collector, the active material layer comprising: a plurality of whiskers comprising silicon the plurality of whiskers comprising a first whisker and a second whisker; and one o r a plurality o f graphene layers covering the plura l ity o f whisk e rs, and wherein a part o f the one or the plurality o f graphene layers connects the first whisker to the second whisker. Currently amended
The electrode according to claim 29, wherein the one or each of the plurality of graphene layers includes at least o ne p o re. Previously presented
The electrode according to claim 29, f u rther comprising a layer comprising a material di ff erent f rom graphene, the layer being provided over the one or the plurality o f graphene layers. Previously presented
The electrode according to claim 29, wherein a thickness of the plurality of graphene layers is substantially uniform. Previously presented
An electric device comprising the electr o de according to claim 29. Previously presented
35. (Pr evio usly Presented) The electr o de acc o rding to claim 29, wherein the o ne or the plurality of graphene layers is provided o ver a surface of the current collector and a surface of the plurality of whis k ers. Previously presented
(Pr evio usly Presented) The electr o de acc o rding to claim 29, wherein a d e pressi o n between the first whis k er, the s eco nd whis k er, and the part of the o ne o r the plurality of graphene layers comprises a space. Previously presented
The electrode according to claim 29, wherein number o f layers o f the one or the plurality o f graphene layers is 50 or less, wherein a direction of the plurality of whiskers is rando m, wherein a c o ncentrati o n of elements other than carbon and hydrogen contained in the o ne o r the plurality of graphene layers is l ow er than o r equal to 1 5 ato m ic%, and wherein a c o ncentrati o n of oxygen contained in the o ne o r the plurality of graphene layers is higher than or equal to 5 ato m ic% and lower than or equal to 1 5 ato m ic% New
The electr o de acc o rding to claim [[29]] 39, wherein the number of layers of the o ne o r the plurality of graphene layers is 2 0 o r less. Currently amended
The battery according to claim 1, wherein a depression between the f irst whisker, the second whisker, and the part o f the one o r the plurality of graphene layers comprises a space. Previously presented
The battery according to claim 1, wherein number o f layers o f the one or the plurality of graphene layers is 50 or less, wherein a direction o f the plurality of whiskers is random, wherein a concentration of elements other than carbon and hydrogen contained in the one or the plurality o f graphene layers is lower than or equal to 1 5 atomic %, and wherein a c once ntrati o n of o xyg e n c o ntain e d in the o ne o r the plurality of graphene layers is higher than o r equal to 5 at o mic % and l ow er than o r equal to 1 5 at o mic%. New
Layer stacks claimed or described, ordered top of device to substrate.
battery with graphene-coated whisker electrode
electrode with silicon whiskers covered by graphene layers
Materials described outside the worked examples.
graphene
silicon whiskers
Si
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 7B shows the relation between the capacity and a change in 30 the potential which ar e asso c iat e d with the desorption (o r absorption) of lithium in …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
number of graphene layers (preferred range for electrode application) | 1–50 layers | graphene |
concentration of elements other than carbon and hydrogen in graphene layers (claim range) | ≤ 15 atomic% |
Related documents with shared materials, methods, properties, or citations.
graphene oxide
graphene |
concentration of oxygen in graphene layers (claim range) | 5–15 atomic% | graphene |
graphene oxide
graphene |
concentration of oxygen in graphene layers (claim range) | 5–15 atomic% | graphene |
graphene oxide
graphene |
concentration of oxygen in graphene layers (claim range) | 5–15 atomic% | graphene |
graphene oxide
graphene |
concentration of oxygen in graphene layers (claim range) | 5–15 atomic% | graphene |