期刊
ACS APPLIED MATERIALS & INTERFACES
卷 7, 期 31, 页码 17307-17310出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.5b04409
关键词
all-solid-state; Li-air batteries; solid-state electrolyte; SWCNTs; air electrode catalyst
资金
- National Basic Research Program of China (973 Program) [2014CB932302, 2014CB932303]
- National Natural Science Foundation of China [21373111, 21403107]
- Natural Science Foundation of Jiangsu Province of China [BK2012309, BK20140055]
The all-solid-state Li-air battery has been fabricated, which is constructed by a lithium foil anode, a NASICON-type solid state electrolyte Li1+xAlyGe2-y(PO4)(3) (LAGP) and single-walled carbon nanotubes (SWCNTs)/LAGP nanoparticles composite as air electrode. Its electrochemical performance was investigated in air atmosphere. Particularly, this battery exhibited a larger capacity about 2800 mAh g(-1). for the first cycle, while comparatively the battery with multiwalled carbon nanotubes (MWCNTs)/LAGP as cathode had a capacity of only about 1700 mAh g(-1) Also, the battery with SWCNTs/LAGP showed improved cycling performance with a reversible capacity of 1000 mAh g(-1) at a current density of 200 mA g(-1). Our result demonstrated that the all-solid-state Li-air battery with SWCNTs/LAGP as cathode catalyst has a considerable potential for practical application.
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