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Single‐Crystal Silicon Membranes with High Lithium Conductivity and Application in Lithium‐Air Batteries
Author(s) -
Truong Tu T.,
Qin Yan,
Ren Yang,
Chen Zonghai,
Chan Maria K.,
Greeley Jeffery P.,
Amine Khalil,
Sun Yugang
Publication year - 2011
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201102449
Subject(s) - crystallinity , materials science , membrane , conductivity , lithium (medication) , diffusion , silicon , crystalline silicon , chemical engineering , electrical resistivity and conductivity , composite material , optoelectronics , chemistry , electrical engineering , biochemistry , physics , thermodynamics , medicine , engineering , endocrinology
Single‐crystalline membranes are assembled in test cells to evaluate their lithium conductivity and to monitor in situ the crystallinity variations under current flows. The results show that the single‐crystalline membranes exhibit lithium conductivity as high as 10 −6 S cm −1 while their single crystallinity remains to effectively block diffusion of oxygen molecules.