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633097

Sigma-Aldrich

Silicon

nanopowder, <100 nm particle size (TEM), ≥98% trace metals basis

Synonym(s):

Silicon anode material

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About This Item

Linear Formula:
Si
CAS Number:
7440-21-3
Molecular Weight:
28.09
EC Number:
231-130-8
MDL number:
MFCD00085311
UNSPSC Code:
12352302
PubChem Substance ID:
24882537
NACRES:
NA.23

Assay

≥98% trace metals basis

form

nanopowder

particle size

<100 nm (TEM)

bp

2355 °C (lit.)

mp

1410 °C (lit.)

density

2.33 g/mL at 25 °C (lit.)

SMILES string

[Si]

InChI

1S/Si

InChI key

XUIMIQQOPSSXEZ-UHFFFAOYSA-N

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General description

Our battery-grade silicon nanopowder features a 100 nm particle size with a purity of 98%. This light grey powder is a highly sought-after material for advanced battery research and development due to its exceptional electrochemical properties. It has a high specific surface area, allowing for better electrochemical performance, and its small particle size ensures excellent dispersion within battery electrode formulations. With consistent particle size and high purity, this silicon nanopowder is an excellent choice for battery researchers and manufacturers looking to enhance the performance of their lithium-ion batteries.

Application

Our silicon nanopowder is a highly versatile material with applications in various fields such as energy storage, biomedical, and electronics industries. Its exceptional electrochemical properties make it a highly sought-after material for the development of advanced lithium-ion batteries. The small particle size and high specific surface area of our battery-grade silicon nanopowder make it an excellent candidate for use in the anode of lithium-ion batteries. The high-capacity lithium-ion batteries utilizing silicon nanopowder anodes have the potential to achieve greater energy density and longer cycle life compared to traditional graphite anodes. Furthermore, its high purity and consistent particle size make it a reliable material for battery researchers and manufacturers.

Features and Benefits

This battery-grade silicon nanopowder ensures excellent dispersion within battery electrode formulations due to its small particle size.
  • Superior Dispersion
  • High Specific Surface Area
  • Improved Mechanical Stability
  • Enhanced Performance

Pictograms

Flame
GHS02

Signal Word

Warning

Hazard Statements

H228

Hazard Classifications

Flam. Sol. 2

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 2: Flammable solids
Metal powder
Hazardous rank II
1st combustible solid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

633097-VAR:
633097-25G:
633097-BULK:
633097-10G:

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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Zhenhui Kang et al.
Nanoscale, 3(3), 777-791 (2010-12-17)
Owing to their abundant unique properties and ready compatibility with Si microelectronic technology, Si nanostructures are becoming one of the most important classes of nano semiconductors. Particularly, small-sized Si nanoparticles possess distinctive photoluminescence (PL), biocompatibility, and active surface properties. In
High temperature Boron-based thermoelectric materials
Mori T
Material Matters, 4, 37-37 (2009)
Jaewoo Lee et al.
Journal of nanoscience and nanotechnology, 13(5), 3495-3499 (2013-07-19)
A spin-casting process for fabricating polycrystalline silicon sheets for use as solar cell wafers is proposed, and the parameters that control the sheet thickness are investigated. A numerical study of the fluidity of molten silicon indicates that the formation of
Seungil Park et al.
Journal of nanoscience and nanotechnology, 13(5), 3397-3402 (2013-07-19)
We investigated the thin film growths of hydrogenated silicon by hot-wire chemical vapor deposition with different flow rates of SiH4 and H2 mixture ambient and fabricated thin film solar cells by implementing the intrinsic layers to SiC/Si heterojunction p-i-n structures.
Hyunhui Kim et al.
Journal of nanoscience and nanotechnology, 13(5), 3559-3563 (2013-07-19)
Silicon sheets were fabricated by a new fabricating method, spin casting with various rotation speeds of the graphite mold. The microstructure of spin-cast silicon sheets were investigated using an electron probe microanalyzer (EPMA) and scanning electron microscope/electron backscatter diffraction/orientation image
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