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Key Documents

900411

Sigma-Aldrich

Graphene nanoplatelets

25 μm particle size

Synonyme(s) :

xGnP H-25

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About This Item

Formule empirique (notation de Hill):
C
Numéro CAS:
Poids moléculaire :
12.01
Numéro CE :
Code UNSPSC :
12141908
Nomenclature NACRES :
NA.23

Description

residual acid content: <0.5 wt%

Niveau de qualité

Forme

powder

Composition

oxygen content, <1%

Superficie

50-80 m2/g

Épaisseur

15 nm , average

Taille des particules

25 μm

Masse volumique apparente

0.03‑0.1 g/cm3

InChI

1S/C

Clé InChI

OKTJSMMVPCPJKN-UHFFFAOYSA-N

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Description générale

  • xGnP® graphene nanoplatelets are unique nanoparticles consisting of short stacks of graphene sheets having a platelet shape.
  • The unique size and platelet morphology of xGnP® graphene nanoplatelets makes these particles especially effective at providing barrier properties, while their pure graphitic composition makes them excellent electrical and thermal conductors. xGnP® graphene nanoplatelets can improve mechanical properties such as stiffness, strength, and surface hardness of the matrix material.
  • xGnP® graphene nanoplatelets are compatible with almost all polymers, and can be an active ingredient in inks or coatings as well as an excellent additive to platics of all types. The unique manufacturing processes are non-oxidizing, so material has a pristine graphitic surface of sp2 carbon molecules that makes it especially suitable for applications requiring high electrical or thermal conductivity.
  • Grade H particles have an average thickness of approximately 15 nanometers and a typical surface area of 50 to 80 m2/g. Grade H is available with average particle diameters of 5, 15 or 25 microns.
  • Note: Graphene nanoplatelets have naturally occurring functional groups like ethers, carboxyls, or hydroxyls that can react with atmospheric humidity to form acids or other compounds. These functional groups are present on the edges of the particles and their wt% varies with particle size.

Application

  • Ultracapacitor electrodes
  • Anode materials for lithium-ion batteries
  • Conductive additive for battery electrodes
  • Electrically conductive inks
  • Thermally conductive films and coatings
  • Additive for lightweight composites
  • Films or coatings for EMI shielding
  • Substrate for chemical and biochemical sensors
  • Barrier material for packaging
  • Additive for super-strong concrete
  • Additive for metal-matrix composites

Informations légales

xGnP is a registered trademark of XG Sciences, Inc.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

Mechanical properties of graphene nanoplatelet/epoxy composites.
King JA, et al.
Journal of Composite Materials, 49(6), 659-668 (2015)
Performance dependence of thermosyphon on the functionalization approaches: An experimental study on thermo-physical properties of graphene nanoplatelet-based water nanofluids.
Amiri A, et al.
Energy Conversion and Management , 92, 322-330 (2015)

Articles

Advances in scalable synthesis and processing of two-dimensional materials

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