期刊
ADVANCED FUNCTIONAL MATERIALS
卷 31, 期 2, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.202002008
关键词
all-solid-state batteries; epoxy polymers; lithium ion batteries; solid electrolytes
类别
资金
- Technology Development Program to Solve Climate Changes of the National Research Foundation (NRF) - Ministry of Science ICT [2017M1A2A2044501]
- U.S. Department of Energy [DE-AC02-06CH11357]
A study on the safety aspects of Li(+)ion batteries explores the use of an epoxy-reinforced thin ceramic film (ERTCF) for solid-state batteries, demonstrating high ionic conductivity and enhanced mechanical properties, with initial charge-discharge capacities of 139/133 mAh g(-1).
Concerning the safety aspects of Li(+)ion batteries, an epoxy-reinforced thin ceramic film (ERTCF) is prepared by firing and sintering a slurry-casted composite powder film. The ERTCF is composed of Li(+)ion conduction channels and is made of high amounts of sintered ceramic Li1+xTi2-xAlx(PO4)(3)(LATP) and epoxy polymer with enhanced mechanical properties for solid-state batteries. The 2D and 3D characterizations are conducted not only for showing continuous Li(+)ion channels thorough LATP ceramic channels with over 10(-4)S cm(-1)of ionic conductivity but also to investigate small amounts of epoxy polymer with enhanced mechanical properties. Solid-state Li(+)ion cells are fabricated using the ERTCF and they show initial charge-discharge capacities of 139/133 mAh g(-1). Furthermore, the scope of the ERTCF is expanded to high-voltage (>8 V) solid-state Li(+)ion batteries through a bipolar stacked cell design. Hence, it is expected that the present investigation will significantly contribute in the preparation of the next generation reinforced thin ceramic film electrolytes for high-voltage solid-state batteries.
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