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918334

Sigma-Aldrich

High-performance silicon anode

100 nm silicon particles in crosslinked conducting polyanaline matrix

Synonym(s):

100nm Si, 100nm SiReversible Si, Anode grade, Doped polyaniline, Nano-Si/PANi composite, Si encapsulated in 3D crosslinked polyaniline, Silicon nano particle

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2 G
€414.00

€414.00

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2 G
€414.00

About This Item

UNSPSC Code:
12352103
NACRES:
NA.23

€414.00

Please contact Customer Service for Availability
Request a Bulk Order

Quality Level

100

form

powder

color

dark

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Application

Silicon is a most promising next generation lithium ion battery electrode material but it suffers poor cyclability due to the volume expansion that results in loss of electrical contact and unstable SEI.[1]
This Si composite product is made by encapsulating nano-Si particles in the 3D cross-linked conductive polymer framework. It not only allows fast electrical and ionic transport, but also provides free space to allow giant volume expansion. This Si composite provides a ready-to-use electrochemically active nano-Si anode that would [1] increase the capacity of conventional lithium ion battery, and [2] improve the cycle-life performance of Si-based anodes.[2][3][4][5][6]

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Deformation and stress in electrode materials for Li-ion batteries.
Mukhopadhyay M, et al.
Progress in Materials Science, 63, 58-116 (2014)
Ye Shi et al.
Nano letters, 17(3), 1906-1914 (2017-02-14)
Controlling architecture of electrode composites is of particular importance to optimize both electronic and ionic conduction within the entire electrode and improve the dispersion of active particles, thus achieving the best energy delivery from a battery. Electrodes based on conventional
Hui Wu et al.
Nature communications, 4, 1943-1943 (2013-06-05)
Silicon has a high-specific capacity as an anode material for Li-ion batteries, and much research has been focused on overcoming the poor cycling stability issue associated with its large volume changes during charging and discharging processes, mostly through nanostructured material
Borui Liu et al.
Nano letters, 13(7), 3414-3419 (2013-06-22)
Silicon is considered one of the most promising anode materials for high-performance Li-ion batteries due to its 4200 mAh/g theoretical specific capacity, relative abundance, low cost, and environmental benignity. However, silicon experiences a dramatic volume change (∼300%) during full charge/discharge
Fei Zhao et al.
Advanced materials (Deerfield Beach, Fla.), 30(48), e1801796-e1801796 (2018-08-21)
Nanostructured materials are critically important in many areas of technology because of their unusual physical/chemical properties due to confined dimensions. Owing to their intrinsic hierarchical micro-/nanostructures, unique chemical/physical properties, and tailorable functionalities, hydrogels and their derivatives have emerged as an
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