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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

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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Silica

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
Yuki Kobayashi et al.
Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology, 19(5), 176-176 (2017-06-06)
Si and its oxide are nonpoisonous materials, and thus, it can be taken for medical effects. We have developed a method of generation of hydrogen by use of reactions of Si nanopowder with water in the neutral pH region. Si
High temperature Boron-based thermoelectric materials
Mori T
Material Matters, 4, 37-37 (2009)
Chengyong Li et al.
Journal of nanoscience and nanotechnology, 13(3), 2272-2275 (2013-06-13)
Mesoporous Si-C-O fibers were fabricated by air activation of a kind of carbon-rich SiC-C fibers at 600 degrees C. The SiC-C fibers were prepared from the hybrid precursor of polycarbosilane and pitch through melt-spinning, air curing and pyrolysis in nitrogen.
Bo-Soon Kim et al.
Journal of nanoscience and nanotechnology, 13(5), 3622-3626 (2013-07-19)
A subwavelength structure (SWS) was formed via a simple chemical wet etching using a gold (Au) catalyst. Single nano-sized Au particles were fabricated by metallic self-aggregation. The deposition and thermal annealing of the thin metallic film were carried out. Thermal
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