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
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)
Stable cycling of lithium sulfide cathodes through strong affinity with a bifunctional binder
Seh ZW, et al.
Chemical Science, 4(9), 3673-3677 (2013)
Wen Liu et al.
Proceedings of the National Academy of Sciences of the United States of America, 114(14), 3578-3583 (2017-03-23)
Lithium-sulfur batteries (Li-S batteries) have attracted intense interest because of their high specific capacity and low cost, although they are still hindered by severe capacity loss upon cycling caused by the soluble lithium polysulfide intermediates. Although many structure innovations at
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