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广州伟伯科技有限公司

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Graphene nanoplatelets

产品编号：

4092856

规格：	25 μm particle size, surface area 50-80 m²/g

CAS NO：

包装规格：

250 G

产品类别：

进口试剂

品牌：	Sigma-Aldrich

优惠价：

产品价格查看更多规格...

产品编号	包装单位	单价(元)	国内现货	国外库存	询价单
4092856	250 G	1880	2-5天	4-6周

产品别名

7782-42-5

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Graphene nanoplatelets

xGnP H-25

基本信息

Empirical Formula【经验(实验)分子式】	C
Molecular weight	12.01
EC number【EC 号】	231-955-3
General description【一般描述】	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【应用】	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
Legal Information【法律信息】	xGnP is a registered trademark of XG Sciences, Inc.

产品性质

Quality Level【质量水平】	100
description【描述】	residual acid content: <0.5 wt%
form【形式】	powder
composition【组成】	oxygen content, <1%
thickness【厚度】	15 nm , average
Particle size【粒径】	25 μm
surface area【表面积】	50-80 m²/g
bulk density【堆积密度】	0.03‑0.1 g/cm³

安全信息

Storage Class Code【储存分类代码】	11 - Combustible Solids
WGK	WGK 1

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