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484164

Sigma-Aldrich

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

同義詞:

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About This Item

經驗公式(希爾表示法):
C
CAS號碼:
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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相關類別

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]

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


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分析證明 (COA)

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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.

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

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相關內容

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. 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)

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  2. 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/449/386/product-dating-information-mk.pdf

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  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

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