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학술지 Bendable and Thin Sulfide Solid Electrolyte Film: A New Electrolyte Opportunity for Free-Standing and Stackable High-Energy All-Solid-State Lithium-Ion Batteries
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저자
남영진, 조성주, 오대양, 임준묵, 김성엽, 송준호, 이영기, 이상영, 정윤석
발행일
201504
출처
Nano Letters, v.15 no.5, pp.3317-3323
ISSN
1530-6984
출판사
American Chemical Society(ACS)
DOI
https://dx.doi.org/10.1021/acs.nanolett.5b00538
협약과제
14PB4300, 중대형 전고체 리튬이차전지용 유무기 하이브리드 고체전해질, 이영기
초록
Bulk-type all-solid-state lithium batteries (ASLBs) are considered a promising candidate to outperform the conventional lithium-ion batteries. Unfortunately, the current technology level of ASLBs is in a stage of infancy in terms of cell-based (not electrode-material-based) energy densities and scalable fabrication. Here, we report on the first ever bendable and thin sulfide solid electrolyte films reinforced with a mechanically compliant poly(paraphenylene terephthalamide) nonwoven (NW) scaffold, which enables the fabrication of free-standing and stackable ASLBs with high energy density and high rate capabilities. The ASLB, using a thin (~70 μm) NW-reinforced SE film, exhibits a 3-fold increase of the cell-energy-density compared to that of a conventional cell without the NW scaffold.
키워드
All-solid-state lithium batteries, bendable sulfide solid electrolytes, composite materials, electrodes, nanostructures, nonwovens
KSP 제안 키워드
All-solid-state lithium batteries, Composite materials, Current technology, Electrolyte film, Free-standing, High energy density, High rate, Rate Capability, all-solid-state lithium-ion batteries, bendable sulfide solid electrolytes, cell-based