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Merck
CN

449903

Sigma-Aldrich

氟化锂

greener alternative

≥99.99% trace metals basis

别名:

氟石

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关于此项目

线性分子式:
LiF
化学文摘社编号:
分子量:
25.94
EC 号:
MDL编号:
UNSPSC代码:
12352302
PubChem化学物质编号:
NACRES:
NA.23
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质量水平

方案

≥99.99% trace metals basis

表单

powder and chunks

反应适用性

core: lithium

环保替代产品特性

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

sustainability

Greener Alternative Product

杂质

≤100.0 ppm Trace Metal Analysis

沸点

1673 °C/1 atm (lit.)

mp

845 °C (lit.)

溶解性

aqueous acid: slightly soluble(lit.)

密度

2.64 g/mL at 25 °C (lit.)

应用

battery precursors
catalysts
material synthesis precursor

环保替代产品分类

SMILES字符串

[Li+].[F-]

InChI

1S/FH.Li/h1H;/q;+1/p-1

InChI key

PQXKHYXIUOZZFA-UHFFFAOYSA-M

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一般描述

我们竭诚为您带来符合一项或多项绿色化学12项原则要求的绿色替代产品。该产品为增强型,提高了能源效率。点击此处以获取更多信息。
氟化锂是具有高熔点的白色晶体固体。它广泛应用于可充电电池、存储设备和热致发光材料领域。LiF也用作OLED或PLED器件中的耦合层,以增强电子注入。另一方面,由于其带隙允许高效地传输光,因此更适合于光学应用。

应用

氟化锂可用于:
  • 作为添加剂,制造用于锂离子电池的SiO@C/石墨复合阳极材料。氟化锂能稳定固体电解质界面(SEI),并提高初始库仑效率。
  • 作为SEI中的一个关键组分,用于稳定SEI层并提高锂金属电池的循环效率。
  • 用于制造高效n型晶体硅太阳能电池的电子接触件。
  • 用于制备辐射成像探测器的固态光源。
  • 用于合成不对称超级电容器应用的高度结晶MXene。此外,还用于制备具有合理强度、高导电性和出色电磁干扰屏蔽性能的轻质、柔性和疏水性MXene泡沫。
  • 作为电子注入层,用于制造具有20%量子效率的ITO/PEDOT:PSS/钙钛矿/B3PYMPM/LiF/Al OLED器件。

特点和优势

  • High purity in lithium fluoride is vital for the best performance and lifespan of lithium-ion batteries, helping to reduce degradation from metal impurities.
  • The presence of metal impurities such as calcium, sodium, and iron at levels below 10 ppm helps maintain optimal battery performance .
  • High purity lithium fluoride enhances electrochemical efficiency by ensuring optimal ionic conductivity, minimizes side reactions that degrade battery materials, contributes to stable electrolyte formulations for improved longevity and cycle life, and reduces the risk of hazardous reactions during battery operation, thereby enhancing safety and reliability.
  • Low moisture content (114ppm) improves the performance of LiF in high-temperature or high-humidity environments, making it suitable for a wider range of applications.
  • High purity lithium fluoride enhances charge transport for increased solar cell efficiency, maintains material stability for long-term performance, reduces structural defects to improve light absorption, and boosts durability for extended operational life.

象形图

Exclamation mark

警示用语:

Warning

危险声明

危险分类

Acute Tox. 4 Oral - Eye Irrit. 2

补充剂危害

储存分类代码

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 2

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

法规信息

危险化学品
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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Radiat. Prot. Dosim., 66, 423-423 (1996)
A growing appreciation for the role of LiF in the solid electrolyte interphase
Jian Tan, et al.
Advanced Energy Materials, 11, 2100046-2100046 (2021)
Photoluminescence of colour centres in lithium fluoride thin films: from solid-state miniaturised light sources to novel radiation imaging detectors
R M Montereali, et al.
Journal of Luminescence, 170, 761-769 (2016)
Lithium fluoride based electron contacts for high efficiency n-type crystalline silicon solar cells
James Bullock, et al
Advanced Energy Materials, 6, 1600241-1600241 (2016)
Perovskite light-emitting diodes with external quantum efficiency exceeding 20 per cent
Kebin Lin, et al.
Nature, 562, 245-248 (2018)

商品

Professor Gogotsi and Dr. Shuck introduce MXenes: a promising family of two-dimensional materials with a unique combination of high conductivity, hydrophilicity, and extensive tunability.

Solid-state lithium fast-ion conductors are crucial for safer, high-energy-density all-solid-state batteries, addressing conventional battery limitations.

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