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Merck

931969

Sigma-Aldrich

高氯酸锂

greener alternative

anhydrous, ≥99.9% trace metals basis

别名:

Perchloric acid lithium salt

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About This Item

线性分子式:
LiClO4
CAS号:
分子量:
106.39
MDL號碼:
分類程式碼代碼:
12352302
NACRES:
NA.23

等級

anhydrous
battery grade

品質等級

化驗

≥99.9% trace metals basis

形狀

powder

環保替代產品特色

Design for Energy Efficiency
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sustainability

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雜質

≤1000 ppm (trace metals analysis)

pH值

6.0-7.5 (25 °C, 5%, aq.sol.)

mp

236 °C (lit.)

溶解度

H2O: 59.8 g/dL at 25 °C

負離子痕跡

chloride (Cl-): ≤30 ppm
sulfate (SO42-): ≤10 ppm

正離子痕跡

Fe: ≤5 ppm
heavy metals: ≤10 ppm

應用

battery manufacturing

環保替代類別

SMILES 字串

[Li+].[O-]Cl(=O)(=O)=O

InChI

1S/ClHO4.Li/c2-1(3,4)5;/h(H,2,3,4,5);/q;+1/p-1

InChI 密鑰

MHCFAGZWMAWTNR-UHFFFAOYSA-M

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一般說明

Anhydrous lithium perchlorate is a white-to-colorless crystalline salt. It is hygroscopic and deliquescent and usually stored under inert atmosphere. It is highly soluble in water and soluble in a variety of organic solvents including alcohols, acetone, acetonitrile, ethyl acetate, ethers, carbonates, and other polar organic solvents. Lithium perchlorate is a strong oxidizing agent.
Industrially, lithium perchlorate is manufactured in several ways. Most commonly, it is prepared from sodium perchlorate through a metathesis reaction with lithium chloride or lithium carbonate. Lithium perchlorate can also be prepared by direct electrochemical oxidation of lithium chloride or by reacting lithium carbonate with perchloric acid. The hydrate can be dried either by highly controlled heating or by displacing water with volatile amines, which are removed by drying under vacuum.
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應用

The primary application of lithium perchlorate is as an electrolytic salt in lithium-ion batteries. Many of the early, now-famous reports of lithium batteries used lithium perchlorate dissolved in polar organics as the electrolyte and the salt remains popular because of its high solubility, electrochemical stability, and low cost. In the search for solid electrolytes, lithium perchlorate (5-12 wt%) is often added to polyethylene oxide (PEO) and composited with ceramic nanoparticles like LLZO and LATP .
Researchers also use lithium perchlorate as an electrolytic salt in aqueous media when testing electrocatalysts. For example, recent experiments improving the electrochemical reduction of nitrogen over TiO2 nanoparticles or gold nanoparticles use aqueous lithium perchlorate as the electrolyte.

包裝

100g in poly bottle
500g in poly bottle

訊號詞

Danger

危險分類

Acute Tox. 4 Oral - Eye Dam. 1 - Ox. Sol. 2 - Skin Corr. 1A - STOT SE 3

標靶器官

Respiratory system

儲存類別代碼

5.1A - Strongly oxidizing hazardous materials

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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分析证书(COA)

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Electrochemical and In Situ X?Ray Diffraction Studies of Lithium Intercalation in Lix CoO2
Reimers, J.N., et al.
Journal of the Electrochemical Society, 139, 2091-2091 (1992)
The spinel phase of lithium manganese oxide (LiMn2O4) as a cathode in secondary lithium cells
Tarascon, J.M., et al.
Journal of the Electrochemical Society, 138, 2859-2864 (1991)

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