930903
氢氧化锂 一水合物
≥99.9% trace metals basis
别名:
Lithine hydrate, Lithium hydroxide hydrate
InChI
1S/Li.2H2O/h;2*1H2/q+1;;/p-1
SMILES string
[Li+].O.[OH-]
InChI key
GLXDVVHUTZTUQK-UHFFFAOYSA-M
grade
battery grade
assay
≥99.9% trace metals basis
form
powder
reaction suitability
core: lithium
greener alternative product characteristics
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sustainability
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impurities
≤1000 ppm (trace metals analysis)
mp
423 °C
solubility
H2O: soluble ((lit.)), ethanol: slightly soluble ((lit.)), methanol: soluble ((lit.))
anion traces
chloride (Cl-): ≤50 ppm, sulfate (SO42-): ≤50 ppm
application(s)
battery precursors
catalysts
material synthesis precursor
greener alternative category
Quality Level
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General description
Lithium hydroxide monohydrate is a white-to-colorless, crystalline salt. The monohydrate is hygroscopic. It is soluble in water and generates heat when dissolving. It is also soluble in methanol, somewhat soluble in ethanol, but only sparingly soluble in isopropanol.
Lithium hydroxide is produced in several ways. Most commonly, lithium carbonate is reacted with calcium hydroxide in a metathesis reaction. This directly yields lithium hydroxide hydrate, which is separated from the insoluble calcium carbonate byproduct and purified. Alternatively, when the source of lithium is spodumene ore, the ore can be converted to lithium hydroxide without first forming the carbonate. In the process, the lithium ore is treated with high-temperatures and sulfuric acid to form lithium sulfate; then the lithium sulfate is reacted with sodium hydroxide to form lithium hydroxide hydrate, which is purified.
Lithium hydroxide is produced in several ways. Most commonly, lithium carbonate is reacted with calcium hydroxide in a metathesis reaction. This directly yields lithium hydroxide hydrate, which is separated from the insoluble calcium carbonate byproduct and purified. Alternatively, when the source of lithium is spodumene ore, the ore can be converted to lithium hydroxide without first forming the carbonate. In the process, the lithium ore is treated with high-temperatures and sulfuric acid to form lithium sulfate; then the lithium sulfate is reacted with sodium hydroxide to form lithium hydroxide hydrate, which is purified.
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Application
The primary application of battery-grade lithium hydroxide is in the synthesis and manufacturing of cathode materials for lithium-ion batteries. In particular, lithium hydroxide is the reagent of choice for making nickel-rich cathodes like nickel-manganese-cobalt oxide (NMC) and nickel-cobalt-aluminum oxide (NCA). For these materials, the nickel-rich precursors must be fired in oxygen at relatively low temperatures (~500 °C) in order to promote higher oxidation states of nickel while suppressing cation mixing. Lithium hydroxide, which melts at 462 °C, is preferred because it melts at these temperatures, yielding more complete reactions and superior crystallinity, than reactions using lithium carbonate. Lithium carbonate, which melts at 723 °C, is still a solid at these temperatures.
Our battery grade lithium hydroxide monohydrate is well-suited for synthesis of nickel-rich metal oxides, like lithium nickel-manganese-aluminum oxide (NMA) and complex quaternary transition metal oxides like Zr-doped or Ti-doped nickel-manganese oxide.
Our lithium hydroxide monohydrate can also be used to synthesize lithium iron phosphates like LiFePO4 or lithium manganese oxides like Li2Mn2O4.
Our battery grade lithium hydroxide monohydrate is well-suited for synthesis of nickel-rich metal oxides, like lithium nickel-manganese-aluminum oxide (NMA) and complex quaternary transition metal oxides like Zr-doped or Ti-doped nickel-manganese oxide.
Our lithium hydroxide monohydrate can also be used to synthesize lithium iron phosphates like LiFePO4 or lithium manganese oxides like Li2Mn2O4.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B
存储类别
8A - Combustible corrosive hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
危险化学品
此项目有
Designing principle for Ni-rich cathode materials with high energy density for practical applications.
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商品
A comprehensive guide to high-purity salt precursors for cathode active materials, advancing lithium-ion battery efficiency, safety, and cycle life.
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