Patent
US 9,887,046Title: GRAPHENE COMPOSITES AND METHODS OF MAKING AND USING THE SAME
LI, Zaijun, YAN, Tao, SUN, Xiulan, LIU, Junkang et al.
3 July 2014·US
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reductive agent
first salt comprising a divalent cation
second salt comprising a trivalent cation
tetrahydrofuran or toluene solvent
polyolefin, polystyrene, acrylic, or silica particles
polypropylene particles
hydrazine hydrate or sodium borohydrate reductive agent
Ni(NO₃)2
Al(NO₃)3
layered double hydroxide
polytetrafluoroethylene binding medium
acetylene black conductive agent
chemical activation agent (LiOH, NaOH, Ca(OH)2, Sr(OH)2, or Ba(OH)2)
graphene composite (reduced graphene oxide with layered double hydroxide)
| — |
Temperature | 600–1400 °C | — |
Temperature | 800–1200 °C | — |
Duration | 1800–18000 s | — |
Duration | 1–3 hours | — |
Duration | 1800–360000 s | — |
Duration | 4–24 hours | — |
Thickness | ≤ 5 nm | — |
Thickness | ≥ 250 nm | — |
Thickness | ≥ 500 nm | — |
Thickness | ≥ 750 nm | — |
Pressure | ≥ 1 atm | — |
Duration | ≥ 30 minutes | — |
Duration | ≥ 1 hour | — |
Duration | ≥ 4 hours | — |
Duration | ≥ 12 hours | — |
Duration | ≥ 24 hours | — |
Pressure | ≥ 1.2 atm | — |
Pressure | ≥ 1.5 atm | — |
Pressure | ≥ 2 atm | — |
Thickness | 500–1200 nm | — |
Temperature | 90–100 °C | — |
Temperature | 1–500 °C | — |
reductive agent
first salt comprising a divalent cation
second salt comprising a trivalent cation
tetrahydrofuran or toluene solvent
polyolefin, polystyrene, acrylic, or silica particles
polypropylene particles
hydrazine hydrate or sodium borohydrate reductive agent
Ni(NO₃)2
Al(NO₃)3
layered double hydroxide
polytetrafluoroethylene binding medium
acetylene black conductive agent
chemical activation agent (LiOH, NaOH, Ca(OH)2, Sr(OH)2, or Ba(OH)2)
graphene composite (reduced graphene oxide with layered double hydroxide)
| — |
Temperature | 600–1400 °C | — |
Temperature | 800–1200 °C | — |
Duration | 1800–18000 s | — |
Duration | 1–3 hours | — |
Duration | 1800–360000 s | — |
Duration | 4–24 hours | — |
Thickness | ≤ 5 nm | — |
Thickness | ≥ 250 nm | — |
Thickness | ≥ 500 nm | — |
Thickness | ≥ 750 nm | — |
Pressure | ≥ 1 atm | — |
Duration | ≥ 30 minutes | — |
Duration | ≥ 1 hour | — |
Duration | ≥ 4 hours | — |
Duration | ≥ 12 hours | — |
Duration | ≥ 24 hours | — |
Pressure | ≥ 1.2 atm | — |
Pressure | ≥ 1.5 atm | — |
Pressure | ≥ 2 atm | — |
Thickness | 500–1200 nm | — |
Temperature | 90–100 °C | — |
Temperature | 1–500 °C | — |
reductive agent
first salt comprising a divalent cation
second salt comprising a trivalent cation
tetrahydrofuran or toluene solvent
polyolefin, polystyrene, acrylic, or silica particles
polypropylene particles
hydrazine hydrate or sodium borohydrate reductive agent
Ni(NO₃)2
Al(NO₃)3
layered double hydroxide
polytetrafluoroethylene binding medium
acetylene black conductive agent
chemical activation agent (LiOH, NaOH, Ca(OH)2, Sr(OH)2, or Ba(OH)2)
graphene composite (reduced graphene oxide with layered double hydroxide)
| — |
Temperature | 600–1400 °C | — |
Temperature | 800–1200 °C | — |
Duration | 1800–18000 s | — |
Duration | 1–3 hours | — |
Duration | 1800–360000 s | — |
Duration | 4–24 hours | — |
Thickness | ≤ 5 nm | — |
Thickness | ≥ 250 nm | — |
Thickness | ≥ 500 nm | — |
Thickness | ≥ 750 nm | — |
Pressure | ≥ 1 atm | — |
Duration | ≥ 30 minutes | — |
Duration | ≥ 1 hour | — |
Duration | ≥ 4 hours | — |
Duration | ≥ 12 hours | — |
Duration | ≥ 24 hours | — |
Pressure | ≥ 1.2 atm | — |
Pressure | ≥ 1.5 atm | — |
Pressure | ≥ 2 atm | — |
Thickness | 500–1200 nm | — |
Temperature | 90–100 °C | — |
Temperature | 1–500 °C | — |
reductive agent
first salt comprising a divalent cation
second salt comprising a trivalent cation
tetrahydrofuran or toluene solvent
polyolefin, polystyrene, acrylic, or silica particles
polypropylene particles
hydrazine hydrate or sodium borohydrate reductive agent
Ni(NO₃)2
Al(NO₃)3
layered double hydroxide
polytetrafluoroethylene binding medium
acetylene black conductive agent
chemical activation agent (LiOH, NaOH, Ca(OH)2, Sr(OH)2, or Ba(OH)2)
graphene composite (reduced graphene oxide with layered double hydroxide)
| — |
Temperature | 600–1400 °C | — |
Temperature | 800–1200 °C | — |
Duration | 1800–18000 s | — |
Duration | 1–3 hours | — |
Duration | 1800–360000 s | — |
Duration | 4–24 hours | — |
Thickness | ≤ 5 nm | — |
Thickness | ≥ 250 nm | — |
Thickness | ≥ 500 nm | — |
Thickness | ≥ 750 nm | — |
Pressure | ≥ 1 atm | — |
Duration | ≥ 30 minutes | — |
Duration | ≥ 1 hour | — |
Duration | ≥ 4 hours | — |
Duration | ≥ 12 hours | — |
Duration | ≥ 24 hours | — |
Pressure | ≥ 1.2 atm | — |
Pressure | ≥ 1.5 atm | — |
Pressure | ≥ 2 atm | — |
Thickness | 500–1200 nm | — |
Temperature | 90–100 °C | — |
Temperature | 1–500 °C | — |