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795585

Sigma-Aldrich

Silicon

nanopowder, <100 nm (BET), <3% oxygen passivation

Synonym(s):

Tekmat™ Si-N100

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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:
329768493

form

nanopowder
solid

particle size

<100 nm (BET)

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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Application

  • New Chemical Synthesis Strategy To Construct a Silicon/Carbon Nanotubes/Carbon-Integrated Composite with Outstanding Lithium Storage Capability.: This research presents a novel synthesis method to create a composite material integrating silicon, carbon nanotubes, and carbon. This composite demonstrates exceptional lithium storage capacity, making it a promising material for high-performance lithium-ion batteries (Yan et al., 2023).
  • Surface Oxidation of Nano-Silicon as a Method for Cycle Life Enhancement of Li-ion Active Materials.: The study investigates surface oxidation techniques on nano-silicon to enhance the cycle life of lithium-ion battery materials. This approach addresses the common issue of silicon degradation, significantly improving battery longevity (Ratynski et al., 2020).
  • Carboxymethyl fenugreek gum: Rheological characterization and as a novel binder for silicon anode of lithium-ion batteries.: This paper explores the use of carboxymethyl fenugreek gum as a binder for silicon anodes in lithium-ion batteries. The novel binder improves the mechanical stability and performance of the silicon anodes, offering a sustainable alternative to traditional materials (Qiu et al., 2018).
  • Anatase TiO(2) as a Cheap and Sustainable Buffering Filler for Silicon Nanoparticles in Lithium-Ion Battery Anodes.: This research highlights the use of anatase TiO2 as a cost-effective and sustainable filler for silicon nanoparticles in battery anodes. The material enhances the structural integrity and performance of the anodes, contributing to more efficient energy storage solutions (Maroni et al., 2017).
  • High Areal Capacity Si/LiCoO(2) Batteries from Electrospun Composite Fiber Mats.: This study introduces electrospun composite fiber mats incorporating silicon and LiCoO2, achieving high areal capacity batteries. The composite mats improve the overall energy density and stability of lithium-ion batteries, marking a significant advancement in battery technology (Self et al., 2017).

Legal Information

Product of Tekna Advanced Materials; Inc.
Tekmat is a trademark of Tekna Advanced Materials, Inc.

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

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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Sigma-Aldrich

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Shu-Man Liu et al.
Langmuir : the ACS journal of surfaces and colloids, 21(14), 6324-6329 (2005-06-29)
Silicon nanopowder with a narrow size distribution was synthesized by a simple method, in which amorphous SiO(x) (x < 2) powder as starting material was annealed at high temperature and then etched by hydrofluoric acid (HF). Si nanoparticles thus obtained
The Surface of Nanoparticle Silicon as Studied by Solid-State NMR
Faulkner R, et al.
Materials, 6(1), 18-46 (2012)
Alexandre Magasinski et al.
ACS applied materials & interfaces, 2(11), 3004-3010 (2010-11-09)
Si-based Li-ion battery anodes offer specific capacity an order of magnitude beyond that of conventional graphite. However, the formation of stable Si anodes is a challenge because of significant volume changes occurring during their electrochemical alloying and dealloying with Li.
High temperature Boron-based thermoelectric materials
Mori T
Material Matters, 4, 37-37 (2009)

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