GRAPHENE MACRO-ASSEMBLY-FULLERENE COMPOSITE FOR ELECTRICAL ENERGY STORAGE

Patrick G. Campbell

Patent

Atlas literature

Patent

US 10,633,255

GRAPHENE MACRO-ASSEMBLY-FULLERENE COMPOSITE FOR ELECTRICAL ENERGY STORAGE

Patrick G. Campbell

Claims

Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.

2 independent · 18 dependent

1
Independentgraphene macro-assembly (GMA)fullerene compound
A composition comprising a graphene macro-assembly (GMA)- fullerene composite, wherein the GMA-fullerene composite comprises a GMA comprising a three-dimensional network of graphene sheets crosslinked by covalent carbon bonds, and at least 20 wt.% of at least one fullerene compound incorporated into the GMA based on the weight of the GMA. Original
1. 2
  Dependent← claim 1graphene macro-assembly (GMA)fullerene compound
  The composition of claim 1, wherein the fullerene compound is covalently bound to the graphene sheets. Original
2. 7
  Dependent← claim 1graphene macro-assembly (GMA)fullerene compound
  The composition of claim 1, wherein the fullerene compound is noncovalently attached to the graphene sheets. Original
3. 13
  Dependent← claim 1graphene macro-assembly (GMA)fullerene compound
  The composition of claim 1, wherein the GMA-fullerene composite comprises at least 50 wt.% of the fullerene compound based on the weight of the GMA. Original
4. 14
  Dependent← claim 1graphene macro-assembly (GMA)fullerene compound
  The composition of claim 1, wherein the GMA-fullerene composite comprises at least 100 wt. % of the fullerene compound based on the weight of the GMA. Original
5. 15
  Dependent← claim 1GMA-fullerene composite
  The composition of claim 1, wherein the GMA-fullerene composite is a monolith having a thickness of at least 1 mm. Original
6. 16
  Dependent← claim 1GMA-fullerene composite
  The composition of claim 1, wherein the GMA-fullerene composite has an electrical conductivity of at least 10 S/m. Original
7. 17
  Dependent← claim 1GMA-fullerene composite
  The composition of claim 1, wherein the GMA-fullerene composite has a mesopore volume of at least 0.5 cm 3/g. Original
8. 18
  Dependent← claim 1GMA-fullerene composite
  The composition of claim 1, wherein the GMA-fullerene composite has a BET surface area of at least 200 m 2/g. Original
9. 19
  Dependent← claim 1GMA-fullerene composite
  The composition of claim 1, wherein the GMA-fullerene composite has a Young's modulus of at least 20 MPa. Original
10. 20
  Dependent← claim 1GMA-fullerene compositesupercapacitor
  A supercapacitor comprising an electrode comprising the GMA- fullerene composite of claim 1, and further comprising an organic or ionic liquid electrolyte in contact with the electrode. Withdrawn
4
Independentfullerene compound
The composition of claim 4, wherein the conjugated linker comprises a conjugated C 1 -C hydrocarbon chain optionally substituted with one or more heteroatoms. Original
1. 5
  Dependent← claim 4fullerene compound
  The composition of claim 4, wherein the conjugated linker comprises alternating single and multiple bonds, and optionally comprises at least one aromatic or heteroaromatic ring. Original
2. 6
  Dependent← claim 4C₆₀C₇₀
  The composition of claim 4, wherein n is 1 or 2, F* is C 6o or C 7M, and SVG 15805010.09-04-2019.K05M₅₆₇₃RXEAPX5.CLM.1.svg 0.95 3 Black and white Original

Worked examples

Embodiments described in the patent, grouped by the materials and process steps they use.

GMA-C₆₀ noncovalent composite (FIG 1, FIG 7)

example section example

3 materials1 process step

GMA noncovalently functionalized with C₆₀ at 4.5 mM concentration, yielding 13 wt.% loading of C60. CV performed in MeCN/TBAP electrolyte at 5 mV/s.

GMA-PA-C₆₀ noncovalent composite (FIG 2)

example section example

3 materials1 process step

GMA noncovalently functionalized with phenylamine-C₆₀ (PA-C₆₀) at 7 mM concentration, yielding 50 wt.% loading of PA-C60. CV performed in MeCN/TBAP electrolyte at 5 mV/s.

GMA-diazonium-C₆₀ covalent composite (FIG 4, FIG 9)

example section example

3 materials1 process step

GMA covalently functionalized with diazonium-C60, yielding a final loading of 138 wt.%. CV performed in MeCN/TBAP electrolyte at 10 mV/s.

GMA-C₆₀ 17 wt.% loading (FIG 7)

example section example

3 materials

GMA-C₆₀ composite with 17 wt.% loading of C₆₀ compared to non-functionalized GMA by CV in MeCN/TBAP at 5 mV/s.

GMA-C₆₀-1 44 wt.% loading (FIG 8)

example section example

3 materials

GMA-C₆₀-1 composite with 44 wt.% loading of C₆₀-1 compared to non-functionalized GMA by CV in MeCN/TBAP at 5 mV/s.

Device structures

Layer stacks claimed or described, ordered top of device to substrate.

supercapacitor

MeCN/TBAP electrolyteelectrolyte

GMA-fullerene compositeelectrode

Materials

Materials described outside the worked examples.

fullerene compound

Guest/Dopant Incorporated Into GMA

C₇₀

Fullerene Guest Compound

GMA-fullerene composite

Process steps

Additional fabrication and treatment steps described in the patent.

Immersion Functionalization

Step 1

Process details

solvents:CS2, CH₂Cl2, CS2:CH₂Cl2, THF

temperature c max:20

temperature c min:1

concentration range mM:1-20

loading minimum wt percent:

Reported properties

Performance values and ranges asserted in the specification or claims.

Property	Value	Material
Electrical Conductivity	10	GMA-fullerene composite
Mesopore Volume	0.5

Why these are connected

Related documents with shared materials, methods, properties, or citations.

GRAPHENE MACRO-ASSEMBLY-FULLERENE COMPOSITE FOR ELECTRICAL ENERGY STORAGE | Matter42 Literature