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학술지 Low Resistance Flexible Current Collector for Lithium Secondary Battery
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저자
윤진호, 한기범, 이용민, 이영기, 김광만, 박정기, 조국영
발행일
201108
출처
Electrochemical and Solid-State Letters, v.14 no.8, pp.A116-A119
ISSN
1099-0062
출판사
Electrochemical Society (ECS)
DOI
https://dx.doi.org/10.1149/1.3596721
협약과제
10SB1400, 통합형 플랙서블 필름 전지 시스템 개발, 김광만
초록
Flexible current collectors are fabricated through the placement of a thin copper layer onto various polymeric films such as poly (ethylene naphthalate) (PEN), poly(ethylene terephthalate) (PET), polyimide (PI), and poly(ether sulfone) (PES) by radio-frequency magnetron sputtering. Flexible current collectors with different Cu-sputtered thicknesses were examined as a current collector for lithium secondary batteries. As the thickness of the copper layer increased, the surface resistance of the flexible current collector decreased to the level of 1 ?? /Sq, which could make the unit cell based on the flexible current collector obtain comparable capacity as a copper metal foil current collector. © 2011 The Electrochemical Society. [DOI: 10.1149/1.3596721] All rights reserved.
KSP 제안 키워드
Copper metal, Lithium secondary batteries, Low resistance, Metal foil, Poly(ether sulfone)(PES), Polyethylene terephthalate, Polymeric films, Radio Frequency(RF), Radio frequency magnetron sputtering, Thin copper layer, ether sulfone(Poly)