ＣＮＴ金属複合材及びその製造方法

• Format: Patent
• Language: Japanese
• Published: 02.03.2017
• Subjects: APPARATUS THEREFOR; BASIC ELECTRIC ELEMENTS; CABLES; CHEMISTRY; COMPOUNDS THEREOF; CONDUCTORS; ELECTRICITY; ELECTROFORMING; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; INORGANIC CHEMISTRY; INSULATORS; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; METALLURGY; NANOTECHNOLOGY; NON-METALLIC ELEMENTS; PERFORMING OPERATIONS; PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES; SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; TRANSPORTING

軽量で、高電気伝導率と高電気容量を有し、さらに高温でも高い電気伝導率を有するＣＮＴ金属複合材及びその製造方法を提供すること。本発明のＣＮＴ金属複合材は、複数のＣＮＴに金属を被着してなるＣＮＴ金属複合材であって、３重量％以上７０重量％以下の前記ＣＮＴを含み、一万倍の走査型電子顕微鏡像において、前記ＣＮＴが一様に分布した領域を備え、前記領域の長さが少なくとも１μｍであり、一万倍の２次元の元素分析で、前記金属の信号と炭素の信号とが特定の領域に局在しておらず、前記金属の信号と前記炭素の信号とが一様に分布した領域の長さが少なくとも１μｍであり、且つ、許容電流密度が６×１０６Ａ／ｃｍ２以上であり、かつ体積抵抗率が１×１０−６Ω・ｃｍ以上５×１０−３Ω・ｃｍ以下である。 A CNT metal composite material is provided depositing a metal into a plurality of CNTs is provided including 3% by weight or more and 70% by weight or less of the CNTs, a region is arranged with the metal uniformly distributed in a scanning electron microscope image magnified ten thousand times and the length of the region is at least 1 μm, a signal of the metal and a signal of carbon are not localized in a specific area in a two-dimensional elemental analysis image magnified ten thousand times, and a length of a region uniformly distributing the signal of the metal and the signal of carbon uniformly distributed is at least 1 μm, an allowable current density is at 6×106 A/cm2 or more, and volume resistivity is 1×10−6 Ω·cm or more and 5×10−3 Ω·cm or less.