카본나노튜브의 분산체, 및 그것을 사용한 전극용 도공액 조성물, 전극 및 리튬 이온 2차 전지

• Main Authors: HIGASHIZAKI TETSUYA, YAMAMOTO MIKA, HIBINO ATSUHIKO, NAKAYAMA MASASHI
• Format: Patent
• Language: Korean
• Published: 28.06.2024
• 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

유기 용제에 대한 분산성이 우수한 카본나노튜브의 분산체를 제공한다. 실시형태에 따른 분산체는, 카본나노튜브를, 중합 성분으로서 하기 일반식(1)으로 표시되는 방향족 디아민 화합물을 포함하는 폴리이미드로 유기 용제 중에 분산하여 이루어진다. 식(1) 중, R1~R8은 수소 원자, 불소 원자, 포화 지방족 기, 포화 지환식 기 및 방향족 기로 이루어지는 군으로부터 선택되고, R1~R8의 적어도 1개가 방향족 기이다. JPEGpct00018.jpg3085 Provided is a dispersion of carbon nanotubes having excellent dispersibility in an organic solvent. A dispersion according to an embodiment includes carbon nanotubes dispersed in an organic solvent with a polyimide containing an aromatic diamine compound represented by the following general formula (1) as a polymerization component. In formula (1), R1 to R8 are each 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 to R8 is an aromatic group.