Current-induced composition gradients in molten LiCl-KCl battery electrolytes

Journal Article · Tue Jan 01 00:00:00 EST 1985 · Proc., Intersoc. Energy Convers. Eng. Conf.; (United States)

OSTI ID:5496942

Braunstein, J; Cantor, S; Vallet, C E

Current induced composition gradients were demonstrated in molten LiCl-KCl eutectic mixture, the electrolyte of a LiAl/LiCl-KCl/FeS/sub x/ battery. The gradients were produced by electrolysis of the salt between LiAl electrodes at currents of 50-100 mA cm/sup -2/, and quenching. Analysis of composition profiles in quenched samples was by atomic absorption spectroscopy (AA), which gave good precision, and by x-ray fluorescence spectroscopy in a scanning electron microscope (SEM/EDX), which gave good distance resolution. Work is in progress to improve the precision of the SEM/EDX measurements to that demonstrated in model systems. 5 references, 5 figures, 1 table.

• Research Organization: Oak Ridge National Lab., TN
• DOE Contract Number: W-7405-ENG-26
• OSTI ID: 5496942
• Journal Information: Proc., Intersoc. Energy Convers. Eng. Conf.; (United States), Vol. 16
• Country of Publication: United States
• Language: English

Related Subjects

25 ENERGY STORAGE
ELECTROLYTES
ABSORPTION SPECTROSCOPY
FLUORESCENCE SPECTROSCOPY
SCANNING ELECTRON MICROSCOPY
LITHIUM CHLORIDES
ELECTROCHEMISTRY
POTASSIUM CHLORIDES
ALUMINIUM
ELECTRIC BATTERIES
ELECTRODES
ELECTROLYSIS
EXPERIMENTAL DATA
HIGH TEMPERATURE
IRON SULFIDES
LITHIUM
MOLTEN SALTS
QUANTITY RATIO
X-RAY FLUORESCENCE ANALYZERS
ALKALI METAL COMPOUNDS
ALKALI METALS
CHALCOGENIDES
CHEMISTRY
CHLORIDES
CHLORINE COMPOUNDS
DATA
ELECTROCHEMICAL CELLS
ELECTRON MICROSCOPY
ELEMENTS
EMISSION SPECTROSCOPY
HALIDES
HALOGEN COMPOUNDS
INFORMATION
IRON COMPOUNDS
LITHIUM COMPOUNDS
LITHIUM HALIDES
LYSIS
METALS
MICROSCOPY
NUMERICAL DATA
POTASSIUM COMPOUNDS
SALTS
SPECTROSCOPY
SULFIDES
SULFUR COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
250901* - Energy Storage- Batteries- Design & Development
250903 - Energy Storage- Batteries- Materials
Components
& Auxiliaries