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795585

Sigma-Aldrich

硅

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

别名:

Tekmat ™ Si-N100

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About This Item

线性分子式:
Si
CAS号:
7440-21-3
分子量:
28.09
EC 号:
231-130-8
MDL编号:
MFCD00085311
UNSPSC代码:
12352302
PubChem化学物质编号:
329768493

表单

nanopowder
solid

粒径

<100 nm (BET)

沸点

2355 °C (lit.)

mp

1410 °C (lit.)

密度

2.33 g/mL at 25 °C (lit.)

SMILES字符串

[Si]

InChI

1S/Si

InChI key

XUIMIQQOPSSXEZ-UHFFFAOYSA-N

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应用

  • 构建具有优异锂存储性能的硅/碳纳米管/碳集成复合材料的新化学合成策略。：本研究提出了一种合成硅、碳纳米管和碳的复合材料的新方法。这种复合材料具有优异的锂存储能力，非常适合用于高性能锂离子电池（Yan et al., 2023）。
  • 纳米硅表面氧化提高锂离子活性材料循环寿命的方法。：该研究调查了纳米硅表面氧化技术如何提高锂离子电池材料的循环寿命。这种方法解决了常见的硅降解问题，显著提高了电池寿命（Ratynski et al., 2020）。
  • 羧甲基葫芦巴胶：锂离子电池硅负极的流变学表征及新型粘结剂。：本文探讨了羧甲基胡芦巴胶作为锂离子电池硅阳极粘合剂的应用。这种新型粘合剂提高了硅阳极的机械稳定性和性能，为传统材料提供了可持续的替代品（Qiu et al., 2018）。
  • 锐钛矿TiO(2)作为锂离子电池负极中硅纳米颗粒的经济型可持续缓冲填料。：该研究强调了锐钛矿TiO2如何用作电池阳极中硅纳米颗粒的经济高效和可持续填料。该材料增强了阳极的结构完整性和性能，有助于实现更高效的储能解决方案（Maroni et al., 2017）。
  • 电纺复合纤维垫制备的高面积容量Si/LiCoO(2)电池。：本研究介绍了含有硅和LiCoO2的静电纺复合纤维垫，实现了高面容量电池。复合垫提高了锂离子电池的整体能量密度和稳定性，标志着电池技术的重大进步（Self et al., 2017）。

法律信息

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

象形图

Flame
GHS02

警示用语：

Warning

危险声明

H228

危险分类

Flam. Sol. 2

储存分类代码

4.1B - Flammable solid hazardous materials

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
MKBZ9434V
MKBT8896V

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访问文档库

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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