Evaluation of slurry characteristics for rechargeable lithium-ion batteries

•Lithium-ion battery slurries are prepared for rechargeable batteries.•The dispersion state of slurry constituents is identified.•Thermal, morphological, rheological, and electrical properties of slurries are analyzed. A multi-component slurry for rechargeable batteries is prepared by dispersing LiC...

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Bibliographic Details
Published in:Materials research bulletin 2013-08, Vol.48 (8), p.2922-2926
Main Authors: Cho, Ki Yeon, Kwon, Young Il, Youn, Jae Ryoun, Song, Young Seok
Format: Article
Language:English
Subjects:
A. Electronic materials
A. Oxides
A. Polymers
AGGLOMERATION
C. Electron microscopy
CARBON
D. Microstructure
ELECTRICAL PROPERTIES
ELECTRON MICROSCOPY
EVALUATION
INTERACTIONS
LITHIUM ION BATTERIES
LITHIUM IONS
MATERIALS SCIENCE
MICROSTRUCTURE
OXIDES
POLYMERS
SLURRIES
SOLVENTS
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Description
Summary:•Lithium-ion battery slurries are prepared for rechargeable batteries.•The dispersion state of slurry constituents is identified.•Thermal, morphological, rheological, and electrical properties of slurries are analyzed. A multi-component slurry for rechargeable batteries is prepared by dispersing LiCoO2, conductive additives, and polymeric binders in a solvent. The physical properties, including rheological, morphological, electrical, and spectroscopic features of battery slurries are investigated. The relationship between the measured physical properties and the internal structure of the slurry is analyzed. It is found that the rheological behavior of the slurry is determined by the interaction of active materials and binding materials (e.g., network structure) and that the dispersion state of conductive additives (e.g., agglomeration) also depends on the binder–carbon interaction.
ISSN:0025-5408
1873-4227
DOI:10.1016/j.materresbull.2013.04.026