Carbon nanotube slurry, carbon nanotube slurry for electrodes, and electrode film
A carbon nanotube slurry with specific properties and a dispersant achieves low viscosity and conductivity, addressing the trade-off issues in existing slurries for lithium-ion batteries, enabling high-efficiency electrodes.
JP2026111688APending Publication Date: 2026-07-06MITSUBISHI PENCIL CO LTD
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- MITSUBISHI PENCIL CO LTD
- Filing Date
- 2024-12-24
- Publication Date
- 2026-07-06
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Figure 2026111688000001
Abstract
This invention provides a carbon nanotube slurry that has low viscosity, excellent handling properties, and good conductivity when used as an electrode film. [Solution] The fiber length is 50 μm or more, the average diameter is 3 nm to 20 nm, and the BET specific surface area is 70 m². 2 / g or more 180m 2 It comprises carbon nanotubes with a weight-average molecular weight of 70,000 or less, polyvinylpyrrolidone with a weight-average molecular weight of 70,000 or less, and at least one selected from the group consisting of N-methyl-2-pyrrolidone, ethanol, and water.
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Citation Information
Patent Citations
Carbon nanotube dispersion, secondary battery electrode composition using the same, electrode film, and secondary battery.
JP2023024526A
Slurry composition for negative electrode for secondary batteries
JP2024065983A