화학공학소재연구정보센터
학회 한국공업화학회
학술대회 2022년 봄 (05/11 ~ 05/13, 제주국제컨벤션센터(ICC JEJU))
권호 26권 1호
발표분야 포스터-에너지저장·변환
제목 Flexible Lithium-Metal Full Cells with Ultrahigh-Energy-Density Based on Conductive Fibrous Skeletons
초록 Despite extensive studies on lithium metal batteries  that have garnered considerable attention as a promising high-energy-density system, their application to flexible power sources is staggering due to the difficulty in simultaneously achieving electrochemical sustainability and mechanical deformability. To address this issue, herein, we propose a new electrode architecture strategy based on conductive fibrous skeletons (CFS). Lithium (Li) is impregnated into nickel/copper-deposited conductive poly(ethylene terephthalate) nonwovens via electrochemical plating. And, over-lithiated layered oxide (OLO) particles are compactly embedded in conductive heteronanomats (fibrous mixtures of multiwalled carbon nanotubes (MWCNT) and functional polymer nanofibers). Driven by these structural uniqueness, the CFS–LMB full cells provide improvements in the cyclability, rate performance, and  gravimetric/volumetric energy density along with the exceptional mechanical flexibility.

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저자 김승혁1, 이상영2
소속 1울산과학기술원, 2연세대
키워드 Li metal anode; flexible battery; ultrahigh energy density
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