NANO/MICRO COMPOSITE FIBER CAPABLE OF PERFORMANCE ELECTROCHEMICAL ENERGY STORAGE AND METHOD FOR FABRICATING THEREOF

• Main Authors: PARK, SANG YOON, YEO, CHANG SU, SHIN, MIN KYOO, KIM, HYUK JOON, CHO, YUN JAE, CHO, KANG RAE
• Format: Patent
• Language: English; Korean
• Published: 06.07.2016
• Subjects: 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; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

The present invention relates to a fiber composite having an electric energy storing capacity. The present invention provides the fiber composite which comprises: (a) a microfiber bundle, which is an electrode active material, formed by coupling a graphene flake and a carbon nanotube; (b) a nanofiber web for covering the outside of the microfiber bundle by coating a coating material selected among metal, the carbon nanotube, active carbon, and a metal oxide nanoparticle in a surface to move the microfiber and an electron; (c) an electrolyte filled in a microporous of the surface of the microfiber and the nanofiber web; and (d) an insulating layer for covering the nanofiber web and the electrolyte. 본 발명은 전기에너지 저장능력을 가지는 섬유 복합체에 관한 것으로, 본 발명은 (a) 전극 활물질로서 그래핀 플레이크와 탄소나노튜브가 결합되어 형성된 마이크로섬유 다발; (b) 상기 마이크로섬유와 전하 이동이 가능하도록 금속, 탄소나노튜브, 활성탄소, 금속산화물 나노입자 중에서 선택된 코팅물질이 표면에 코팅되어 상기 마이크로섬유 다발 외부를 감싸는 나노섬유 웹; (c) 상기 마이크로섬유 표면과 나노섬유 웹의 미세기공에 충진된 전해질; 및 (d)상기 나노섬유 웹과 전해질을 감싸는 절연막을 포함하는, 전기에너지 저장능력을 가지는 섬유 복합체를 제공한다.