期刊
RSC ADVANCES
卷 7, 期 73, 页码 46499-46504出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra09081a
关键词
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资金
- Japan Science and Technology Agency (JST)
- Advanced Low Carbon Technology Research and Development Program (ALCA)
- Specially Promoted Research for Innovative Next Generation Batteries (SPRING) project
- Material Analysis and Structure Analysis Open Unit (MASAOU)
A solid electrolyte with a small particle size, good mechanical properties and high ionic conductivity is required to achieve high energy and power density in the all-solid-state battery. Here, we report an instantaneous preparation of high lithium-ion conducting sulfide solid electrolyte Li7P3S11 by a simple procedure involving a liquid phase process under ultrasonic irradiation and low thermal treatment at 220 degrees C. A short reaction time of 30 min was enough to produce the formation of PS43- units. Subsequent drying and heating processes led to the precipitation of the Li7P3S11 phase with a particle size below 500 nm, achieving high ionic conductivity of 1.0 x 10(-3) S cm(-1) at 22 degrees C and a low activation energy of 12.8 kJ mol(-1).
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