Li∕Polymer Electrolyte∕Water Stable Lithium-Conducting Glass Ceramics Composite for Lithium–Air Secondary Batteries with an Aqueous Electrolyte
作者： Tao Zhang , Nobuyuki Imanishi , Satoshi Hasegawa , Atsushi Hirano , Jian Xie
DOI: 10.1149/1.2990717
关键词:
摘要: A water-stable Li metal anode with lithium-conducting glass ceramics, 1+x+y Ti 2-x Al x Si y P 3-y O 12 (LTAP), and a polymer electrolyte, PEO 18 Li(CF 4 SO 2 ) N (PEO LiTFSI), was proposed as the lithium for lithium-air batteries an aqueous solution at air electrode. LTAP unstable when in direct contact metal, cell resistance of Li/LTAP/Li rapidly increased function time. The Li/PEO LiTFSI/LTAP/PEO LiTFSI/Li symmetrical showed no change total (around 800 Ω cm 60°C) over period 1 month. LiTFSI membrane served protective interlayer to suppress reaction between ceramics effectively. LiTFSI/LTAP/aqueous LiCl/Pt stable open-circuit voltage 3.70 V 60°C months. comparable that calculated from 2Li + 1/2O H = 2LiOH. exhibited favorable discharge charge performance 0.25 mA -2 60°C.
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