Journal
NANO LETTERS
Volume 15, Issue 5, Pages 3317-3323Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.nanolett.5b00538
Keywords
All-solid-state lithium batteries; bendable sulfide solid electrolytes; composite materials; nonwovens; electrodes; nanostructures
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Funding
- Energy Efficiency & Resources Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) - Korea government Ministry of Trade, Industry Energy [20112010100150]
- Basic Science Research Program through National Research Foundation of Korea (NRF) - Ministry of Education [NRF-2014R1A1A2058760]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20112010100150] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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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 (similar to 70 mu m) 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.
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