New double chloride in the LiCl-CoCl/sub 2/ system. Preparation, crystal structure, phase transformation, and ionic conductivity of Li/sub 6/CoCl/sub 8/
Journal Article
·
· J. Solid State Chem.; (United States)
The phase diagram of the LiCl-CoCl/sub 2/ system has been determined by X-ray diffraction and differential thermal analysis. The system contains two intermediate compounds, Li/sub 6/CoCl/sub 8/, with the Mg/sub 6/MnO/sub 8/-type structure, and Li/sub 2/CoCl/sub 4/, with a related spinel structure. The crystal structure of Li/sub 6/CoCl/sub 8/ was determined by X-ray powder Rietveld refinement at room temperature. This phase has the Mg/sub 6/MnO/sub 8/-type structure with ordered cations and vacancy arrangement over octahedral sites, and its cubic lattice parameter is a = 10.2584(3) A. Li/sub 6/CoCl/sub 8/ turns reversibly into the LiCl-type structure at 350/sup 0/C. The electrical conductivity measurements showed a high ionic conductivity of 9.3 x 10/sup -2/ S cm/sup -1/ at 400/sup 0/C.
- Research Organization:
- Mie Univ., Tsu, Japan
- OSTI ID:
- 5572435
- Journal Information:
- J. Solid State Chem.; (United States), Journal Name: J. Solid State Chem.; (United States) Vol. 71:1; ISSN JSSCB
- Country of Publication:
- United States
- Language:
- English
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Journal Article
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Sat Oct 31 23:00:00 EST 1987
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Ionic conductivity and phase transition of the spinel system Li/sub 2//sub -//sub 2/ /sub x/ M/sub 1//sub +/ /sub x/ C1/sub 4/(M = Mg, Mn, Cd)
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Related Subjects
25 ENERGY STORAGE
250903 -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALKALI METAL COMPOUNDS
CHLORIDES
CHLORINE COMPOUNDS
COBALT CHLORIDES
COBALT COMPOUNDS
COHERENT SCATTERING
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CUBIC LATTICES
DATA
DIFFERENTIAL THERMAL ANALYSIS
DIFFRACTION
ELECTRIC BATTERIES
ELECTROCHEMICAL CELLS
EXPERIMENTAL DATA
HALIDES
HALOGEN COMPOUNDS
INFORMATION
LATTICE PARAMETERS
LITHIUM CHLORIDES
LITHIUM COMPOUNDS
LITHIUM HALIDES
NUMERICAL DATA
PHASE STUDIES
POWDERS
SCATTERING
THERMAL ANALYSIS
TRANSITION ELEMENT COMPOUNDS
X-RAY DIFFRACTION
250903 -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALKALI METAL COMPOUNDS
CHLORIDES
CHLORINE COMPOUNDS
COBALT CHLORIDES
COBALT COMPOUNDS
COHERENT SCATTERING
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CUBIC LATTICES
DATA
DIFFERENTIAL THERMAL ANALYSIS
DIFFRACTION
ELECTRIC BATTERIES
ELECTROCHEMICAL CELLS
EXPERIMENTAL DATA
HALIDES
HALOGEN COMPOUNDS
INFORMATION
LATTICE PARAMETERS
LITHIUM CHLORIDES
LITHIUM COMPOUNDS
LITHIUM HALIDES
NUMERICAL DATA
PHASE STUDIES
POWDERS
SCATTERING
THERMAL ANALYSIS
TRANSITION ELEMENT COMPOUNDS
X-RAY DIFFRACTION