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Lithium Cobalt Oxide

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Origin: China

Cas No: 12190-79-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

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  • Products Specification
  • Product Description
  • Property

    CAS No.: 12190-79-3 Formula: CoLiO2 Molecular Weight: 97.87300

    Description

    Lithium cobalt oxide (LiCoO 2) is a chemical compound commonly used in the positive electrodes of lithium-ion batteries. The structure of LiCoO 2 has been studied with numerous techniques including x-ray diffraction, electron microscopy, neutron powder diffraction, and EXAFS: it consists of layers of lithium that lie between slabs of octahedra formed by cobalt and oxygen atoms. The space group is R3¯m in Hermann-Mauguin notation, signifying a rhombus-like unit cell with threefold improper rotational symmetry and a mirror plane. More simply, however, both lithium and cobalt are octahedrally coordinated by oxygen. These octahedra are edge-sharing, and tilted relative to the layered structure. The threefold rotational axis (which is normal to the layers) is termed improper because the triangles of oxygen (being on opposite sides of each octahedron) are anti-aligned.
    Batteries produced with LiCoO 2 cathodes, have very stable capacities, but have lower capacities and power than cathodes based on nickel-cobalt-aluminum (NCA) oxides. Issues with thermal stability are better for LiCoO 2 cathodes than other nickel-rich chemistries although not significantly. This makes LiCoO 2 batteries susceptible to thermal runaway in cases of abuse such as high temperature operation (>130°C) or overcharging. At elevated temperatures, LiCoO 2 decomposition generates oxygen, which then reacts with the organic electrolyte of the cell. This is a safety concern due to the magnitude of this highly exothermic reaction, which can spread to adjacent cells or ignite nearby combustible material. In general, this is seen for many lithium ion battery cathodes.
    The compound's usefulness as an intercalation electrode was discovered in 1980 by John B. Goodenough's research group at Oxford.

    Basic Info

    Chemical Name Lithium Cobalt Oxide
    Synonyms

    Lithium cobalt(III) oxide;

    CAS No. 12190-79-3
    Molecular Formula CoLiO2
    Molecular Weight 97.87300
    PSA 40.13000
    LogP -0.23760

    Properties

    Appearance & Physical State White Plastic Prismatic cases with ribs, hermetically sealed and fitted with a metallic terminals/connections.
    Melting Point > 1000ºC

    Safety Info

    Safety Statements S36
    HS Code 2841900001
    WGK Germany 3
    Risk Statements R42/43
    Hazard Codes Xn
    Hazard Declaration H317; H350
    Symbol GHS07, GHS08
    Caution Statement P201; P280; P308 + P313
    Signal Word Danger

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