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902942

Sigma-Aldrich

Graphite dispersion

few-layers (3-15 graphene layers), 1.0mg/mL in acetone-water, avg. no. of layers, 3 ‑ 15

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About This Item

description

Capacity:400−450 mAh/g
Conductivity: 1.0x10-3 − 1.0x10-5 S/m
I_D/I_G peaks ratio: <0.25 (by Raman)
Surface area: 1.0x105–4.0x106 mm²/g

form

dispersion

feature

avg. no. of layers 3 ‑ 15

composition

C: >96%, H: 0 −1%, N: 0 −1%, Oxygen: 0−2% (graphene)

Related Categories

General description

Graphite dispersion is an acceptor molecule with high thermal and electrical conductivity. It can be used in the formation of an electrode for electrochemical applications.

Application

Graphite dispersion (few-layers: 3-15 graphene layers, 1.0mg/mL in acetone-water) can be used for a variety application such as
  • in the synthesis of graphene layer
  • in the preparation of ruthenium catalyst for the synthesis of ammonia
  • development of biosensors
  • fabrication of multi-layer thin films for li-ion micro-batteries

Preparation Note

Production method: Thermomechanical exfoliation of natural graphite in a liquid medium controlled at a nanoscale level.

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Statements

H225 - H319 - H336

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

Target Organs

Central nervous system

Supplementary Hazards

EUH066

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

5.0 °F

Flash Point(C)

-15 °C

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Autonomous microscopic bunch inspection using region-based deep learning for evaluating graphite powder dispersion
Liu H, et al.
Construction Building Materials, 173, 525-539 (2018)
Development of flexible sensors using knit fabrics with conductive polyaniline coating and graphite electrodes
de Oliveira CRS, et al.
Journal of Applied Polymer Science, 134(18), 525-539 (2017)
The effect of graphene dispersion on the mechanical properties of graphene/epoxy composites.
Tang L C, et al.
Carbon, 60, 16-27 (2013)
Kan-Sheng Chen et al.
Nano letters, 17(4), 2539-2546 (2017-02-28)
Efficient energy storage systems based on lithium-ion batteries represent a critical technology across many sectors including consumer electronics, electrified transportation, and a smart grid accommodating intermittent renewable energy sources. Nanostructured electrode materials present compelling opportunities for high-performance lithium-ion batteries, but
Preparation of efficient ruthenium catalysts for ammonia synthesis via high surface area graphite dispersion
Han W, et al.
Reaction Kinetics, Mechanisms and Catalysis, 113(2), 361-374 (2014)

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