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US 12,709,543 B2Granted
Carbon nanotube dispersion liquid, method for preparing same, electrode slurry composition comprising same, electrode comprising same, and lithium secondary battery comprising same
AssigneeBETTERIAL Co., Ltd.
InventorsSeong Kyun Kang, Jin Yeong Lee, Kwang Hyun Yoo
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Abstract
The present specification relates to a carbon nanotube dispersion liquid, a method for preparing same, an electrode slurry composition comprising same, an electrode comprising same, and a lithium secondary battery comprising same, the carbon nanotube dispersion liquid comprising carbon nanotubes; a first dispersant having an amide group; and a second dispersant having an aromatic ring, wherein the viscosity at 25° C. and a shear rate of 15 sec−1 is 2,000 cPs or less.
Claims16
A carbon nanotube dispersion liquid comprising:
- carbon nanotubes;
- a first dispersant having an amide group;
- a second dispersant having an aromatic ring and
- an alkali metal salt;
- wherein the dispersion liquid has a viscosity of 2,000 cPs or less at a temperature of 25° C. and a shear rate of 15 sec−1
- wherein the first dispersant comprises a polyvinylpyrrolidone-based resin, and
- wherein the first dispersant comprises a polyvinylpyrrolidone-based resin, and a molar ratio of the alkali metal salt based on 100 mol of a vinylpyrrolidone monomer contained in the polyvinylpyrrolidone-based resin is 60 mol or less.
4 more elements
Dependencies are inferred from the claim text.