213241
硫化锂
99.98% trace metals basis
别名:
硫化锂
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关于此项目
经验公式（希尔记法）:
Li2S
化学文摘社编号:
分子量:
45.95
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352300
EC Number:
235-228-1
MDL number:
产品名称
硫化锂, 99.98% trace metals basis
composition
Li2S
InChI key
ZWDBUTFCWLVLCQ-UHFFFAOYSA-N
InChI
1S/2Li.S
SMILES string
[Li]S[Li]
grade
battery grade
assay
99.98% trace metals basis
form
powder
reaction suitability
reagent type: catalyst
core: lithium
density
1.66 g/mL at 25 °C (lit.)
application(s)
battery manufacturing
battery manufacturing
storage temp.
2-8°C
Quality Level
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Application
高纯度的 硫化锂主要可作为前体用于合成其它 锂化合物，如硫代乙酸锂、 四氟硼酸锂和 thio-LISICON，这些物质可用于 锂离子电池和其它应用。高纯度的硫化锂还可直接用于 电池应用，作为锂硫电池的正极材料。硫化锂的 理论容量高达1166 mAh/g，几乎是锂钴氧化物理论容量的四倍， 作为下一代正极材料其受到广泛 关注。 此外，在半导体行业硫化锂可作为前体 用于生产薄膜晶体管（TFT）和其它 电子设备，特别是硫化锂-氧化磷（Li2S-P2O5） TFT。在化学制造行业它也可作为前体用于制造 氢化锂、硼氢化锂和氨基化锂 ，还用于许多其它应用。
Features and Benefits
高纯度-99.98%,令其成为需要较高纯度物质应用的理想选择。
General description
硫化锂 粉末是一种高纯度的无机化合物，外观为白色至 淡黄色结晶粉末。其分子量为45.95 g/mo， 密度为1.82 g/cm³。硫化锂是一种强亲核试剂， 化学式为 Li₂S。它容易与水反应形成氢氧化锂 和硫化氢气体。它也可溶于一些有机溶剂， 如吡啶和二甲亚砜。
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Oral - Eye Dam. 1 - Skin Corr. 1B
supp_hazards
存储类别
6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
Stable cycling of lithium sulfide cathodes through strong affinity with a bifunctional binder
Seh ZW, et al.
Chemical Science, 4(9), 3673-3677 (2013)
Li-Ling Chiu et al.
Polymers, 13(4) (2021-03-07)
In lithium-sulfur cells, the dissolution and relocation of the liquid-state active material (polysulfides) lead to fast capacity fading and low Coulombic efficiency, resulting in poor long-term electrochemical stability. To solve this problem, we synthesize a composite using a gel polymer
Shiyou Zheng et al.
ACS nano, 7(12), 10995-11003 (2013-11-21)
Highly stable sulfur/microporous carbon (S/MC) composites are prepared by vacuum infusion of sulfur vapor into microporous carbon at 600 °C, and lithium sulfide/microporous carbon (Li2S/MC) cathodes are fabricated via a novel and facile in situ lithiation strategy, i.e., spraying commercial
Is Lithium Sulfide a MgB2-like Superconductor?-like Superconductor?
Isikaku-Ironkwe OP
arXiv (2012)
Marvin A Kraft et al.
Journal of the American Chemical Society, 139(31), 10909-10918 (2017-07-26)
In the search for novel solid electrolytes for solid-state batteries, thiophosphate ionic conductors have been in recent focus owing to their high ionic conductivities, which are believed to stem from a softer, more polarizable anion framework. Inspired by the oft-cited
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