Electrode for power storage device, power storage device, and method for manufacturing electrode for power storage device

• Main Authors: Hattori, Maki, Kuramoto, Masamichi, Okuno, Kazuki, Majima, Masatoshi, Ishikawa, Masashi, Noguchi, Takayuki, Iida, Daisuke, Inui, Takumi
• Format: Patent
• Language: English
• Published: 15.05.2018
• Subjects: APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL; BASIC ELECTRIC ELEMENTS; CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; PERFORMING OPERATIONS; PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; SPRAYING OR ATOMISING IN GENERAL; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TRANSPORTING

An electrode for a power storage device includes carbon nanotubes, graphene, an ionic liquid, and a three-dimensional network metal porous body which holds the carbon nanotubes, the graphene, and the ionic liquid in pore portions, wherein a ratio of a total amount of the carbon nanotubes and the graphene to an amount of the ionic liquid is more than or equal to 10% by mass and less than or equal to 90% by mass, and a mass ratio between the carbon nanotubes and the graphene is within a range of 3:7 to 7:3.