跳转至内容
Merck
CN

215619

Sigma-Aldrich

硅

greener alternative

powder, −325 mesh, 99% trace metals basis

登录查看公司和协议定价

选择尺寸

关于此项目

线性分子式:
Si
化学文摘社编号:
7440-21-3
分子量:
28.09
EC 号:
231-130-8
MDL编号:
MFCD00085311
UNSPSC代码:
12141911
PubChem化学物质编号:
24852908
NACRES:
NA.23

主要文件

查看所有文档
技术服务
需要帮助？我们经验丰富的科学家团队随时乐意为您服务。
让我们为您提供帮助
技术服务
需要帮助？我们经验丰富的科学家团队随时乐意为您服务。
让我们为您提供帮助

质量水平

100

方案

99% trace metals basis

表单

powder

环保替代产品特性

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

粒径

−325 mesh

沸点

2355 °C (lit.)

mp

1410 °C (lit.)

密度

2.33 g/mL at 25 °C (lit.)

环保替代产品分类

Enabling

SMILES字符串

[Si]

InChI

1S/Si

InChI key

XUIMIQQOPSSXEZ-UHFFFAOYSA-N

正在寻找类似产品? 访问 产品对比指南

相关类别

一般描述

硅粉是精细的灰色粉末。这款硅粉经过325目大小筛分，即粉末颗粒小到可以通过孔径约为44 mil（1 mil=千分之一英寸）的筛子。 硅是一种化学元素，为坚硬易碎的银灰色固体，具有高耐化学侵蚀性和高熔点。硅是地壳第二大丰富元素，存在于多种矿物中。
We are committed to bringing you Greener Alternative Products, which belongs to one of the four categories of greener alternatives. This enabling product has been enhanced for energy efficiency. Click here for more information.

应用

硅可用作 锂离子电池的负极(anode)材料。

可用于制造Al2O3-C 耐火材料。 硅粉可制成β-Sialon晶须， 赋予耐火材料高温强度、 抗渣性和抗热震性。

硅粉可掺入高密度聚乙烯(HDPE)高分子复合材料，增强复合材料的热稳定性和热导率。

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

个人防护装备

Eyeshields, Gloves, type N95 (US)

法规信息

危险化学品
此项目有

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
MKCT8391
MKCR9919
MKCP7149
MKCK6629
MKCG5658

没有发现合适的版本？

如果您需要特殊版本，可通过批号或批次号查找具体证书。

搜索COA

已有该产品？

在文件库中查找您最近购买产品的文档。

访问文档库

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.
Jae Cheol Shin et al.
Journal of nanoscience and nanotechnology, 13(5), 3511-3514 (2013-07-19)
We have characterized the structural properties of the ternary In(x)Ga(1-x)As nanowires (NWs) grown on silicon (Si) substrates using metalorganic chemical vapor deposition (MOCVD). Au catalyzed vapor-liquid-solid (VLS) mode was used for the NW growth. The density of the In(x)Ga(1-x)As NW
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
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.
查看所有相关文献

商品

Self-Propagating Reactions Induced by Mechanical Alloying

An article concerning self-propagating reactions induced by mechanical alloying, presented by Sigma-Aldrich.com.

Recent Developments in Silicon Anode Materials for High Performance Lithium-Ion Batteries

Recent demand for electric and hybrid vehicles, coupled with a reduction in prices, has caused lithium-ion batteries (LIBs) to become an increasingly popular form of rechargeable battery technology.

Silicides: Promising Thermoelectrics

Higher transition metal silicides are ideal for anisotropic thermoelectric conversion due to their Seebeck coefficient anisotropy and mechanical properties.

锂离子电池电极材料

固体氧化物燃料电池(SOFC)和固体氧化物电解池(SOE)正处于早期开发阶段，但性能发展已有望实现电化学能量的转化。

查看所有结果

我们的科学家团队拥有各种研究领域经验，包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.

联系客户支持