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Merck

484164

Sigma-Aldrich

glassy, spherical powder, 2-12 μm, 99.95% trace metals basis

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关于此项目

经验公式(希尔记法):
C
化学文摘社编号:
分子量:
12.01
EC號碼:
MDL號碼:
分類程式碼代碼:
11101522
PubChem物質ID:
NACRES:
NA.23

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品質等級

化驗

99.95% trace metals basis

形狀

glassy, spherical powder

分子量

Mw 12.011 g/mol

成份

C

粒徑

2-12 μm

密度

1.8-2.1 g/cm3

應用

battery manufacturing

SMILES 字串

[C]

InChI

1S/C

InChI 密鑰

OKTJSMMVPCPJKN-UHFFFAOYSA-N

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此商品
GF01511626GF52352355GF14123685
particle size

2-12 μm

particle size

-

particle size

-

particle size

-

Quality Level

200

Quality Level

-

Quality Level

-

Quality Level

-

form

glassy, spherical powder

form

powder

form

powder

form

powder

composition

C

composition

-

composition

-

composition

-

application(s)

battery manufacturing

application(s)

-

application(s)

-

application(s)

-

assay

99.95% trace metals basis

assay

99.997%

assay

99.997%

assay

99.997%

一般說明

玻璃碳的结构仅显示短程有序。人们研究了球形碳颗粒悬浮液的光声多普勒效应。[1]玻璃碳的电导率为 700Scm-1。4

應用

无定形碳可用于开发基于零电阻温度系数(TCR)的系统。[2]玻璃碳已被用作双金属 Rh-ReOx 的催化剂载体。[3]它可用于提高微机电系统(MEMS)上红外(IR)表面温度测量的准确度。 [4]
•Electrochemical Applications: as Electrodes thanks to excellent conductivity and inertness; as Substrate for catalytic materials in Electrochemical Sensors; Modified with catalysts for green catalysis.
•High-Temperature Applications: as Crucibles, as Furnace Components; as Thermocouple Protection.
•Semiconductor Industry: as Wafer Handling (wafer holders and susceptors); as durable electrode material for plasma etching and ion implantation.
•Biomedical Applications: as load-bearing joints and dental implants; as Scaffold material for Tissue Engineering.
•Other Applications: Antistatic Agent (prevents static electricity buildup in packaging); Molding Materials (precision and glass molding); as Fuel Cell Electrodes.

特點和優勢

•Customized for battery: our 2-12 μm spherical glassy carbon
•Electrical Conductivity: Excellent conductivity (700Scm-1) makes it ideal for electrochemical applications.
•Chemical Inertness: High resistance to chemical reactions enhances durability in harsh environments.
•High-Temperature Resistance and low thermal expansion: Can withstand temperatures up to 3000°C, suitable for high-temperature applications. •Biocompatibility: Safe for use in biomedical applications, particularly in prosthetics and tissue engineering.
•Tailorable Properties: Customizable properties through heat treatment and surface modifications.

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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From 5-hydroxymethylfurfural (HMF) to polymer precursors: catalyst screening studies on the conversion of 1, 2, 6-hexanetriol to 1, 6-hexanediol.
Buntara T, et al.
Topics in Catalysis, 55(5-7), 612-619 (2012)
Photoacoustic doppler effect from flowing small light-absorbing particles.
Fang H, et al.
Physical Review Letters, 99, 184501-184501 null
Smart conducting polymer composites having zero temperature coefficient of resistance
Chu K, et al.
Nanoscale, 7, 471-478 (2015)
Use of carbon microparticles for improved infrared temperature measurement of CMOS MEMS devices.
Hopper RH, et al.
Measurement Science and Technology, 21 null
I N Kurchenko et al.
Mikrobiolohichnyi zhurnal (Kiev, Ukraine : 1993), 75(3), 12-23 (2013-07-23)
The ability of soil and endophytic strains of P. funiculosum to accumulate biomass under cultivation conditions in media containing carbon sources from mono- to polysaccharides has been studied. It has been shown that the most favorable carbon sources for the

商品

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。

Solid oxide fuel cells and electrolyzers show potential for chemical-to-electrical energy conversion, despite early development stages.

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.

Li-ion batteries are currently the focus of numerous research efforts with applications designed to reduce carbon-based emissions and improve energy storage capabilities.

Questions

1–3 of 3 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

      Helpful?

  2. 비표면적(BET)가 얼마정도 되나요?

    1 answer
    1. The surface area for this product is not determined on a lot to lot basis. However, historical data indicates a surface area range of 1-2 m²/g. Please see below for additional physical properties of this material.
      Maximum service temperature (inert gas): 3000 °C
      Electrical resistance: 45 x 10-4 ?·cm
      Open porosity: 0 %
      Permeability coefficient:10-9 cm2/s
      Vickers hardness: HV1 230
      Coefficient of thermal expansion (20-200°C): 2.6 x 10-6 1/K
      Thermal conductivity: 6.3 W/(K x m)

      Helpful?

  3. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

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