Patent
US 10,889,494Graphene Oxide/Metal Nanocrystal Multilaminates the Atomic Limit for Safe, Selective Hydrogen Storage
Jeffrey J. Urban, Eun Seon Cho, Anne M. Ruminski, Shaul Aloni
US
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Patent
Atlas literature
Patent
US 10,889,494Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A composition of matter comprising: a reduced graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminate, the nanolaminate comprising two rGO sheets with Mg nanocrystals distributed there between, the nanolaminate having a hydrogen storage capacity of approximately 6.5 weight percent hydrogen and 0.105 kg H 2/L, the hydrogen storage capacity of the nanolaminate being equivalent to approximately 7.56 wei g ht percent hydrogen in the M Q nanocrystals. Currently amended
Canceled
The composition of matter claim [[2]] 1, wherein the Mg nanocrystals are distributed in an approximately hexagonal pattern corresponding to a d-spacing of 2.778 A. Currently amended
The composition of matter claim 3, wherein the Mg nanocrystals are distributed in an approximately hexagonal close-packed (hcp) pattern. Previously presented
The composition of matter claim [[2]] 1, wherein the nanolaminate further comprises hydrogen %W. Currently amended
The composition of matter claim [[2]] 1, wherein the nanolaminate further comprises hydrogen {L) in the form of MgH2. Currently amended
Canceled
(Withdrawn, Currently Amended) A method of preparing reduced graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminates comprising: ball-milling graphene oxide (GO) to break down the GO to GO platelets in order to complex with bis(cyclopentadienyl) magnesium (Cp 2 Mg); preparing a lithium naphthalenide solution by dissolving naphthalene in tetrahydrofuran (THF), followed by the addition of Li metal to produce the lithium naphthalenide solution; dispersing GO in the TH F to form a GO solution; adding a Cp 2 Mg solution to the GO solution to produce a GO/Cp 2 Mg solution; adding the GO/Cp 2 Mg solution to the lithium naphthalenide solution to produce the reduced graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminates; centrifuging and washing the reduced graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminates with THF; and drying the graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminates,a graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminate comprising two rGO sheets with Mg nanocrystals distributed there between, the nanolaminate having a hydrogen storage capacity of approximately 6.5 weight percent hydrogen and 0.105 kg H 2/L, the hydrogen storage capacity of the nanolaminate being equivalent to approximately 7.56 weight percent hydrogen in the Mg nanocrystals. Currently amended
Canceled
A composition of matter comprising: a reduced graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminate, the nanolaminate comprising two rGO sheets with Mg nanocrystals distributed there between, the nanolaminate having a hydrogen storage capacity of above 5.5 weight percent hydrogen and 0.070 kg H 2/L. New
The composition of matter claim 12, wherein the Mg nanocrystals are distributed in an approximately hexagonal pattern corresponding to a d-spacing of 2.778 A. New
The composition of matter claim 12, wherein the nanolaminate further comprises hydrogen. New
The composition of matter claim 12, wherein the nanolaminate further comprises hydrogen in the form of MgH2. New
Layer stacks claimed or described, ordered top of device to substrate.
rGO-Mg nanocrystal nanolaminate
Materials described outside the worked examples.
reduced graphene oxide
rGO
magnesium nanocrystals
Mg
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
gravimetric hydrogen storage capacity of rGO-Mg nanolaminate composite | 6.5 wt% | rGO-Mg nanocrystal nanolaminate |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,889,494Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A composition of matter comprising: a reduced graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminate, the nanolaminate comprising two rGO sheets with Mg nanocrystals distributed there between, the nanolaminate having a hydrogen storage capacity of approximately 6.5 weight percent hydrogen and 0.105 kg H 2/L, the hydrogen storage capacity of the nanolaminate being equivalent to approximately 7.56 wei g ht percent hydrogen in the M Q nanocrystals. Currently amended
Canceled
The composition of matter claim [[2]] 1, wherein the Mg nanocrystals are distributed in an approximately hexagonal pattern corresponding to a d-spacing of 2.778 A. Currently amended
The composition of matter claim 3, wherein the Mg nanocrystals are distributed in an approximately hexagonal close-packed (hcp) pattern. Previously presented
The composition of matter claim [[2]] 1, wherein the nanolaminate further comprises hydrogen %W. Currently amended
The composition of matter claim [[2]] 1, wherein the nanolaminate further comprises hydrogen {L) in the form of MgH2. Currently amended
Canceled
(Withdrawn, Currently Amended) A method of preparing reduced graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminates comprising: ball-milling graphene oxide (GO) to break down the GO to GO platelets in order to complex with bis(cyclopentadienyl) magnesium (Cp 2 Mg); preparing a lithium naphthalenide solution by dissolving naphthalene in tetrahydrofuran (THF), followed by the addition of Li metal to produce the lithium naphthalenide solution; dispersing GO in the TH F to form a GO solution; adding a Cp 2 Mg solution to the GO solution to produce a GO/Cp 2 Mg solution; adding the GO/Cp 2 Mg solution to the lithium naphthalenide solution to produce the reduced graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminates; centrifuging and washing the reduced graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminates with THF; and drying the graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminates,a graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminate comprising two rGO sheets with Mg nanocrystals distributed there between, the nanolaminate having a hydrogen storage capacity of approximately 6.5 weight percent hydrogen and 0.105 kg H 2/L, the hydrogen storage capacity of the nanolaminate being equivalent to approximately 7.56 weight percent hydrogen in the Mg nanocrystals. Currently amended
Canceled
A composition of matter comprising: a reduced graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminate, the nanolaminate comprising two rGO sheets with Mg nanocrystals distributed there between, the nanolaminate having a hydrogen storage capacity of above 5.5 weight percent hydrogen and 0.070 kg H 2/L. New
The composition of matter claim 12, wherein the Mg nanocrystals are distributed in an approximately hexagonal pattern corresponding to a d-spacing of 2.778 A. New
The composition of matter claim 12, wherein the nanolaminate further comprises hydrogen. New
The composition of matter claim 12, wherein the nanolaminate further comprises hydrogen in the form of MgH2. New
Layer stacks claimed or described, ordered top of device to substrate.
rGO-Mg nanocrystal nanolaminate
Materials described outside the worked examples.
reduced graphene oxide
rGO
magnesium nanocrystals
Mg
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
gravimetric hydrogen storage capacity of rGO-Mg nanolaminate composite | 6.5 wt% | rGO-Mg nanocrystal nanolaminate |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,889,494Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A composition of matter comprising: a reduced graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminate, the nanolaminate comprising two rGO sheets with Mg nanocrystals distributed there between, the nanolaminate having a hydrogen storage capacity of approximately 6.5 weight percent hydrogen and 0.105 kg H 2/L, the hydrogen storage capacity of the nanolaminate being equivalent to approximately 7.56 wei g ht percent hydrogen in the M Q nanocrystals. Currently amended
Canceled
The composition of matter claim [[2]] 1, wherein the Mg nanocrystals are distributed in an approximately hexagonal pattern corresponding to a d-spacing of 2.778 A. Currently amended
The composition of matter claim 3, wherein the Mg nanocrystals are distributed in an approximately hexagonal close-packed (hcp) pattern. Previously presented
The composition of matter claim [[2]] 1, wherein the nanolaminate further comprises hydrogen %W. Currently amended
The composition of matter claim [[2]] 1, wherein the nanolaminate further comprises hydrogen {L) in the form of MgH2. Currently amended
Canceled
(Withdrawn, Currently Amended) A method of preparing reduced graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminates comprising: ball-milling graphene oxide (GO) to break down the GO to GO platelets in order to complex with bis(cyclopentadienyl) magnesium (Cp 2 Mg); preparing a lithium naphthalenide solution by dissolving naphthalene in tetrahydrofuran (THF), followed by the addition of Li metal to produce the lithium naphthalenide solution; dispersing GO in the TH F to form a GO solution; adding a Cp 2 Mg solution to the GO solution to produce a GO/Cp 2 Mg solution; adding the GO/Cp 2 Mg solution to the lithium naphthalenide solution to produce the reduced graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminates; centrifuging and washing the reduced graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminates with THF; and drying the graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminates,a graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminate comprising two rGO sheets with Mg nanocrystals distributed there between, the nanolaminate having a hydrogen storage capacity of approximately 6.5 weight percent hydrogen and 0.105 kg H 2/L, the hydrogen storage capacity of the nanolaminate being equivalent to approximately 7.56 weight percent hydrogen in the Mg nanocrystals. Currently amended
Canceled
A composition of matter comprising: a reduced graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminate, the nanolaminate comprising two rGO sheets with Mg nanocrystals distributed there between, the nanolaminate having a hydrogen storage capacity of above 5.5 weight percent hydrogen and 0.070 kg H 2/L. New
The composition of matter claim 12, wherein the Mg nanocrystals are distributed in an approximately hexagonal pattern corresponding to a d-spacing of 2.778 A. New
The composition of matter claim 12, wherein the nanolaminate further comprises hydrogen. New
The composition of matter claim 12, wherein the nanolaminate further comprises hydrogen in the form of MgH2. New
Layer stacks claimed or described, ordered top of device to substrate.
rGO-Mg nanocrystal nanolaminate
Materials described outside the worked examples.
reduced graphene oxide
rGO
magnesium nanocrystals
Mg
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
gravimetric hydrogen storage capacity of rGO-Mg nanolaminate composite | 6.5 wt% | rGO-Mg nanocrystal nanolaminate |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,889,494Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A composition of matter comprising: a reduced graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminate, the nanolaminate comprising two rGO sheets with Mg nanocrystals distributed there between, the nanolaminate having a hydrogen storage capacity of approximately 6.5 weight percent hydrogen and 0.105 kg H 2/L, the hydrogen storage capacity of the nanolaminate being equivalent to approximately 7.56 wei g ht percent hydrogen in the M Q nanocrystals. Currently amended
Canceled
The composition of matter claim [[2]] 1, wherein the Mg nanocrystals are distributed in an approximately hexagonal pattern corresponding to a d-spacing of 2.778 A. Currently amended
The composition of matter claim 3, wherein the Mg nanocrystals are distributed in an approximately hexagonal close-packed (hcp) pattern. Previously presented
The composition of matter claim [[2]] 1, wherein the nanolaminate further comprises hydrogen %W. Currently amended
The composition of matter claim [[2]] 1, wherein the nanolaminate further comprises hydrogen {L) in the form of MgH2. Currently amended
Canceled
(Withdrawn, Currently Amended) A method of preparing reduced graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminates comprising: ball-milling graphene oxide (GO) to break down the GO to GO platelets in order to complex with bis(cyclopentadienyl) magnesium (Cp 2 Mg); preparing a lithium naphthalenide solution by dissolving naphthalene in tetrahydrofuran (THF), followed by the addition of Li metal to produce the lithium naphthalenide solution; dispersing GO in the TH F to form a GO solution; adding a Cp 2 Mg solution to the GO solution to produce a GO/Cp 2 Mg solution; adding the GO/Cp 2 Mg solution to the lithium naphthalenide solution to produce the reduced graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminates; centrifuging and washing the reduced graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminates with THF; and drying the graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminates,a graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminate comprising two rGO sheets with Mg nanocrystals distributed there between, the nanolaminate having a hydrogen storage capacity of approximately 6.5 weight percent hydrogen and 0.105 kg H 2/L, the hydrogen storage capacity of the nanolaminate being equivalent to approximately 7.56 weight percent hydrogen in the Mg nanocrystals. Currently amended
Canceled
A composition of matter comprising: a reduced graphene oxide (rGO)-magnesium (Mg) nanocrystal nanolaminate, the nanolaminate comprising two rGO sheets with Mg nanocrystals distributed there between, the nanolaminate having a hydrogen storage capacity of above 5.5 weight percent hydrogen and 0.070 kg H 2/L. New
The composition of matter claim 12, wherein the Mg nanocrystals are distributed in an approximately hexagonal pattern corresponding to a d-spacing of 2.778 A. New
The composition of matter claim 12, wherein the nanolaminate further comprises hydrogen. New
The composition of matter claim 12, wherein the nanolaminate further comprises hydrogen in the form of MgH2. New
Layer stacks claimed or described, ordered top of device to substrate.
rGO-Mg nanocrystal nanolaminate
Materials described outside the worked examples.
reduced graphene oxide
rGO
magnesium nanocrystals
Mg
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
gravimetric hydrogen storage capacity of rGO-Mg nanolaminate composite | 6.5 wt% | rGO-Mg nanocrystal nanolaminate |
Related documents with shared materials, methods, properties, or citations.
rGO-Mg nanocrystal nanolaminate
hydrogen
H₂
magnesium hydride
MgH₂
graphene oxide
GO
bis(cyclopentadienyl)magnesium
Cp₂Mg
lithium naphthalenide
tetrahydrofuran
THF
naphthalene
C₁₀H₈
lithium metal
Li
volumetric hydrogen storage capacity of rGO-Mg nanolaminate composite | 0.105 kg H₂/L | rGO-Mg nanocrystal nanolaminate |
gravimetric hydrogen storage capacity equivalent in Mg nanocrystals | 7.56 wt% | Mg |
d-spacing of Mg (100) plane in hexagonal Mg nanocrystals | 2.778 Angstrom | Mg |
Mg nanocrystal diameter from TEM | 3.26 nm | Mg |
Mg crystallite size from Scherrer analysis of XRD | 15 nm | Mg |
Thickness | 1–2685 cm | — |
Pressure | 1e-8 torr | — |
rGO-Mg nanocrystal nanolaminate
hydrogen
H₂
magnesium hydride
MgH₂
graphene oxide
GO
bis(cyclopentadienyl)magnesium
Cp₂Mg
lithium naphthalenide
tetrahydrofuran
THF
naphthalene
C₁₀H₈
lithium metal
Li
volumetric hydrogen storage capacity of rGO-Mg nanolaminate composite | 0.105 kg H₂/L | rGO-Mg nanocrystal nanolaminate |
gravimetric hydrogen storage capacity equivalent in Mg nanocrystals | 7.56 wt% | Mg |
d-spacing of Mg (100) plane in hexagonal Mg nanocrystals | 2.778 Angstrom | Mg |
Mg nanocrystal diameter from TEM | 3.26 nm | Mg |
Mg crystallite size from Scherrer analysis of XRD | 15 nm | Mg |
Thickness | 1–2685 cm | — |
Pressure | 1e-8 torr | — |
rGO-Mg nanocrystal nanolaminate
hydrogen
H₂
magnesium hydride
MgH₂
graphene oxide
GO
bis(cyclopentadienyl)magnesium
Cp₂Mg
lithium naphthalenide
tetrahydrofuran
THF
naphthalene
C₁₀H₈
lithium metal
Li
volumetric hydrogen storage capacity of rGO-Mg nanolaminate composite | 0.105 kg H₂/L | rGO-Mg nanocrystal nanolaminate |
gravimetric hydrogen storage capacity equivalent in Mg nanocrystals | 7.56 wt% | Mg |
d-spacing of Mg (100) plane in hexagonal Mg nanocrystals | 2.778 Angstrom | Mg |
Mg nanocrystal diameter from TEM | 3.26 nm | Mg |
Mg crystallite size from Scherrer analysis of XRD | 15 nm | Mg |
Thickness | 1–2685 cm | — |
Pressure | 1e-8 torr | — |
rGO-Mg nanocrystal nanolaminate
hydrogen
H₂
magnesium hydride
MgH₂
graphene oxide
GO
bis(cyclopentadienyl)magnesium
Cp₂Mg
lithium naphthalenide
tetrahydrofuran
THF
naphthalene
C₁₀H₈
lithium metal
Li
volumetric hydrogen storage capacity of rGO-Mg nanolaminate composite | 0.105 kg H₂/L | rGO-Mg nanocrystal nanolaminate |
gravimetric hydrogen storage capacity equivalent in Mg nanocrystals | 7.56 wt% | Mg |
d-spacing of Mg (100) plane in hexagonal Mg nanocrystals | 2.778 Angstrom | Mg |
Mg nanocrystal diameter from TEM | 3.26 nm | Mg |
Mg crystallite size from Scherrer analysis of XRD | 15 nm | Mg |
Thickness | 1–2685 cm | — |
Pressure | 1e-8 torr | — |