Anomalous High Ionic Conductivity of Nanoporous β-Li3PS4
Citations Over TimeTop 1% of 2013 papers
Abstract
Lithium-ion-conducting solid electrolytes hold promise for enabling high-energy battery chemistries and circumventing safety issues of conventional lithium batteries. Achieving the combination of high ionic conductivity and a broad electrochemical window in solid electrolytes is a grand challenge for the synthesis of battery materials. Herein we show an enhancement of the room-temperature lithium-ion conductivity by 3 orders of magnitude through the creation of nanostructured Li(3)PS(4). This material has a wide electrochemical window (5 V) and superior chemical stability against lithium metal. The nanoporous structure of Li(3)PS(4) reconciles two vital effects that enhance the ionic conductivity: (1) the reduction of the dimensions to a nanometer-sized framework stabilizes the high-conduction β phase that occurs at elevated temperatures, and (2) the high surface-to-bulk ratio of nanoporous β-Li(3)PS(4) promotes surface conduction. Manipulating the ionic conductivity of solid electrolytes has far-reaching implications for materials design and synthesis in a broad range of applications, including batteries, fuel cells, sensors, photovoltaic systems, and so forth.
Related Papers
- → A novel NASICON-based glass-ceramic composite electrolyte with enhanced Na-ion conductivity(2019)172 cited
- → Conductivity measurements on nasicon and nasicon-modified materials(1999)150 cited
- → Improving ionic conductivity of Nasicon (Na3Zr2Si2PO12) at intermediate temperatures by modifying phase transition behavior(2018)80 cited
- → Na3Zr2(SiO4)2PO4 NASICON-type solid electrolyte: Influence of milling duration on microstructure and ionic conductivity mechanism(2022)30 cited
- → Ionic conductivity of the solid solution(1990)4 cited