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硫化锂

硫化锂名称

[ CAS 号 ]:
12136-58-2

[ 中文名 ]:
硫化锂

[ 英文名 ]:
Lithium Sulfide

[中文别名 ]:

硫化鋰

[英文别名 ]:

EINECS 235-228-1
(lithiosulfanyl)lithium
MFCD00011085
dilithium,sulfanide

硫化锂物理化学性质

[ 密度 ]:
1.66 g/mL at 25 °C(lit.)

[ 熔点 ]:
>900°C

[ 分子式 ]:
Li₂S

[ 分子量 ]:
45.94700

[ 精确质量 ]:
46.00410

[ PSA ]:
25.30000

[ LogP ]:
0.64820

[ 外观性状 ]:
固体;White to Light yellow to Light orange powder to crystal

[ 储存条件 ]:
2-8°C

硫化锂MSDS

详细MSDS(安全技术说明书)

硫化锂安全信息

[ 符号 ]:

GHS05, GHS06

[ 信号词 ]:
Danger

[ 危害声明 ]:
H301-H314

[ 补充危害声明 ]:
Contact with water liberates toxic gas.

[ 警示性声明 ]:
P280-P301 + P310-P305 + P351 + P338-P310

[ 个人防护装备 ]:
Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges

[ 危害码 (欧洲) ]:
C

[ 风险声明 (欧洲) ]:
R22:Harmful if swallowed. R31:Contact with acids liberates toxic gas. R34:Causes burns.

[ 安全声明 (欧洲) ]:
S26-S36/37/39-S45

[ 危险品运输编码 ]:
UN 2923 8/PG 2

[ WGK德国 ]:
3

[ RTECS号 ]:
OJ6439500

[ 包装等级 ]:
II

[ 危险类别 ]:
4.3

硫化锂制备

由单质直接化合，即将化学计量的锂和硫混合，在镍坩埚中于惰性气氛（氩或氦气）下加热到熔融，待形成均一熔体即可。

也可以用炭粉将硫酸锂还原。

取100g硫酸锂和436g炭粉的混合物，在电炉中加热到形成均一熔体。

本品极易溶于水，水溶液中形成氢氧化锂和硫氢化锂，呈强碱性：

Li2S+H2OLiOH+LiHS

盐酸与硫化锂，在冷时即迅速反应，生成硫化氢及氯化锂：

Li2S+HClLiCl+2H2S

硫化锂文献

Hybrid Lithium-Sulfur Batteries with a Solid Electrolyte Membrane and Lithium Polysulfide Catholyte.

ACS Appl. Mater. Interfaces 7 , 16625-31, (2015)

Lithium-sulfur (Li-S) batteries are receiving great attention as the most promising next-generation power source with significantly high charge-storage capacity. However, the implementation of Li-S ba...

Mechanism and Kinetics of Li2S Precipitation in Lithium-Sulfur Batteries.

Adv. Mater. 27 , 5203-9, (2015)

The kinetics of Li2 S electrodeposition onto carbon in lithium-sulfur batteries are characterized. Electrodeposition is found to be dominated by a 2D nucleation and growth process with rate constants ...

In situ formed lithium sulfide/microporous carbon cathodes for lithium-ion batteries.

ACS Nano 7(12) , 10995-11003, (2013)

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 a...

更多文献

硫化锂