Lithium cobalt (III) oxide (lithium cobaltite, lithium cobaltate) is an inorganic compound, double lithium and cobalt oxide with the formula LiCoO 2 (Li 2 O • Co 2 O 3 ), dark gray crystals, does not dissolve in water.
| Cobalt oxide | |
|---|---|
| Are common | |
| Systematic name | Cobalt (III) oxide |
| Traditional names | Cobalt lithium oxide; cobaltite lithium; lithium cobaltate |
| Chem. formula | LiCoO 2 |
| Physical properties | |
| condition | dark gray crystals |
| Molar mass | 97.87 g / mol |
| Density | 1.68 g / cm³ |
| Classification | |
| Reg. CAS number | 12190-79-3 |
| PubChem | |
| Reg. EINECS number | 235-362-0 |
| Smiles | |
| Inchi | |
| ChemSpider | |
Content
Getting
- Sintering of lithium and cobalt nitrates at 400-700 ° C.
Physical Properties
Lithium cobalt (III) oxide forms dark gray crystals of several modifications:
- trigonal syngonium , space group R 3 m , cell parameters a = 0.28156 nm, c = 1.40542 nm, Z = 1;
- cubic syngony , space group F m 3 m , cell parameters a = 0.799 nm.
It is not soluble in water [1] .
Application
- Most of the lithium-ion electric batteries used in portable electronics are manufactured using a positive lithium cobaltite electrode. [2] [3]
Notes
- ↑ CRC Handbook of Chemistry and Physics . - 89th Edition. - Taylor and Francis Group, LLC, 2008-2009. - S. 4-71.
- ↑ The Lithium Ion Battery Market Supply and Demand // ARPA E RANGE Conference, January 28, 2014 (English) "Lithium Ion Cobalt (LCO) .. Primary use: consumer electronics"
- ↑ Oswal, M., Paul, J., & Zhao, R. A comparative study of Lithium-Ion Batteries Archived July 14, 2015 at Wayback Machine // University of South California, 2010: "The positive electrode is made from chemical compound named lithium cobalt oxide (LiCoO2) ... Most of the Lithium Ion batteries for portable applications are cobalt-based. "