# US 10,121,562 B2 · Graphene-nanomaterial complex, flexible and stretchable complex comprising the same and methods for manufacturing complexes > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,121,562 B2 - Document ID: US10121562B2 - Status: Granted - Kind: B2 - Application number: 15/131,799 - Filed: 2016-04-18 - Published: 2017-03-09 - Granted: 2018-11-06 - Earliest claimed: 2015-09-03 - Assignees: Korea Advanced Institute of Science and Technology - Applicants: Korea Advanced Institute of Science and Technology - Inventors: Soon Hyung Hong; Ho Jin Ryu; Gwang Hoon Jun; Jae Young Oh - Web page: https://patentgrep.com/patent/US10121562B2 ## CPC - H01B 1/04: mainly consisting of carbon-silicon compounds, carbon or silicon - H01B: CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F1/00; waveguides H01P {; printed circuits H05K}) ## Abstract The present disclosure relates to a graphene-nanomaterial complex, a flexible and stretchable complex including the same, and methods for manufacturing the complexes. A graphene-nanomaterial complex according to a first aspect of the present disclosure includes a plurality of graphenes and nanomaterials disposed between the graphenes, in which the graphenes are not disposed on the same plane to form a three-dimensional (3D) graphene structure, and the graphenes, the nanomaterials or both form an electrical network. ## Claims ### Claim 1 A flexible and stretchable complex comprising: a graphene-nanomaterial complex, the graphene-nanomaterial complex comprising: a three-dimensional graphene nanostructure comprising a plurality of irregularly arranged and interconnected graphenes; and nanomaterials disposed between the interconnected graphenes, wherein the interconnected graphenes, the nanomaterials or both form an electrical network; and a flexible and stretchable polymer, wherein the graphene-nanomaterial complex is disposed within the polymer to form the flexible and stretchable complex. ### Claim 2 (depends on 1) The flexible and stretchable complex of claim 1, wherein the polymer comprises at least one polymer selected from the group consisting of a polysiloxane base rubber, a one-part silicone rubber, a butadiene base rubber, and an acrylic base rubber. ### Claim 3 (depends on 1) The flexible and stretchable complex of claim 1, wherein the polymer comprises at least one polymer selected from the group consisting of polydimethylsiloxane (PDMS), polyethylene terephthalate (PET), polyvinylidene fluoride (PVDF), polyethersulfone (PES), polystyrene (PS), polycarbonate (PC), polyimide (PI), polyethylene naphthalate (PEN), and polyarylate (PAR). ### Claim 4 (depends on 1) The flexible and stretchable complex of claim 1, wherein the flexible and stretchable complex has a strain rate of 1,000% or lower. ### Claim 5 (depends on 1) The flexible and stretchable complex of claim 1, wherein the flexible and stretchable complex has an electrical conductivity of 1×10−15 S/cm to 1×107 S/cm. ### Claim 6 (depends on 1) The flexible and stretchable complex of claim 1, wherein the nanomaterials are present in an amount of 0.01% by weight (wt %) to 80 wt % in the flexible and stretchable complex. ### Claim 7 (depends on 1) The flexible and stretchable complex of claim 1, wherein the nanomaterials comprise at least one structure selected from the group consisting of nano particles, a nanorod, a nanotube, and a nanowire. ### Claim 8 (depends on 7) The flexible and stretchable complex of claim 7, wherein the nanomaterials comprise at least one material selected from the group consisting of a metal, a semiconducting material, a conductive polymer, a conductive oxide, a conductive nitride, a conductive carbide, and a carbon nanotube. ### Claim 9 (depends on 8) The flexible and stretchable complex of claim 8, wherein the nanomaterial is a metal selected from the group consisting of silver (Ag), gold (Au), platinum (Pt), ruthenium (Ru), aluminum (Al), iridium (Ir), palladium (Pd), tungsten (W), molybdenum (Mo), iron (Fe), cobalt (Co), and copper (Cu). ### Claim 10 (depends on 8) The flexible and stretchable complex of claim 8, wherein the nanomaterial is a semiconducting material selected from the group consisting of Si, MoSi2, WSi2, TiSi2, TaSi2, NiCoSi2, NiSi2, and PtSi2. ### Claim 11 (depends on 8) The flexible and stretchable complex of claim 8, wherein the nanomaterial is a conductive polymer selected from the group consisting of Poly(fluorene)s, polyphenylenes, polypyrenes, polyazulenes, polynaphthalenes, poly(pyrrole)s (PPY), polycarbazoles, polyindoles, polyazepines, polyanilines (PANI), poly(thiophene)s (PT), poly(3,4-ethylenedioxythiophene) (PEDOT), poly(p-phenylene sulfide) (PPS), Poly(acetylene)s (PAC), and Poly(p-phenylene vinylene) (PPV). ### Claim 12 (depends on 8) The flexible and stretchable complex of claim 8, wherein the nanomaterial is a conductive oxide selected from the group consisting of indium tin oxide (ITO), ZnO, MgO, CaO, SrO, CoOx, VOx, FeO, MoOx, WOx, Cr2O3, Ga23, Al2O3, In2O3, SnO2, and TiO2. ### Claim 13 (depends on 8) The flexible and stretchable complex of claim 8, wherein the nanomaterial is a conductive nitride selected from the group consisting of TiN, TaN, NbN, ZrN, Si3N4, AlN, GaN, InN, and Mo2N. ### Claim 14 (depends on 8) The flexible and stretchable complex of claim 8, wherein the nanomaterial is a conductive carbide selected from the group consisting of WC, TiC, and SiC. ### Claim 15 (depends on 8) The flexible and stretchable complex of claim 8, wherein the nanomaterial is a carbon nanotube selected from the group consisting of a single-walled carbon nanotube (SWCNT), a double-walled carbon nanotube (DWCNT), and a multi-walled carbon nanotube (MWCNT). ### Claim 16 (depends on 1) The graphene-nanomaterial complex of claim 1, wherein the nanomaterials are present in an amount of 10 wt. % to 99.99 wt. % in the graphene-nanomaterial complex.