DISPERSION OF CARBON NANOTUBES, COATING LIQUID COMPOSITION FOR ELECTRODE USING THE SAME, ELECTRODE, AND LITHIUM ION SECONDARY BATTERY

• Main Authors: TOZAKI TETSUYA, YAMAMOTO MIKA, NAKAYAMA SHINJI, HIBINO ATSUHIKO
• Format: Patent
• Language: English; Japanese
• Published: 18.05.2023
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; COMPOUNDS THEREOF; ELECTRICITY; INORGANIC CHEMISTRY; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; NON-METALLIC ELEMENTS; ORGANIC MACROMOLECULAR COMPOUNDS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

To provide a dispersion of carbon nanotubes having excellent dispersibility in an organic solvent.SOLUTION: A dispersion according to an embodiment is obtained by dispersing carbon nanotubes in an organic solvent with a polyimide including an aromatic diamine compound represented by general formula (1) as a polymerization component. In formula (1), R1-R8 are selected from the group consisting of a hydrogen atom, a fluorine atom, a saturated aliphatic group, a saturated alicyclic group, and an aromatic group, and at least one of R1-R8 is an aromatic group.SELECTED DRAWING: None 【課題】有機溶剤に対する分散性に優れたカーボンナノチューブの分散体を提供する。【解決手段】実施形態に係る分散体は、カーボンナノチューブを、重合成分として下記一般式（１）で表される芳香族ジアミン化合物を含むポリイミドにて有機溶剤中に分散してなる。式（１）中、Ｒ１～Ｒ８は、水素原子、フッ素原子、飽和脂肪族基、飽和脂環式基、及び芳香族基からなる群より選択され、Ｒ１～Ｒ８の少なくとも１つが芳香族基である。【化１】TIFF2023069043000018.tif44139【選択図】なし