Journal
CHINESE PHYSICS B
Volume 27, Issue 7, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1674-1056/27/7/078201
Keywords
quasi-solid-state electrolyte; Li-O-2 battery
Categories
Funding
- National Key R&D Program of China [2016YFB0100300, 2016YFB0100100]
- National Basic Research Program of China [2014CB932300]
- Beijing Municipal Science & Technology Commission, China [D171100005517001]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDA09010000]
- National Natural Science Foundation of China [51502334]
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A novel transparent and soft quasi-solid-state electrolyte (QSSE) was proposed and fabricated, which consists of ionic liquid (PYR14 TFSI) and nano-fumed silica. The QSSE demonstrates high ionic conductivity of 4.6x10(-4) S/cm at room temperature and wide electrochemical stability window of over 5 V. The Li-O-2 battery using such quasi-solidstate electrolyte exhibits a low charge-discharge overpotential at the first cycle and excellent long-term cyclability over 500 cycles.
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