期刊
ADVANCED ENERGY MATERIALS
卷 5, 期 24, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.201501294
关键词
solid electrolytes; selenide; chalcogenides; sodium batteries; ball milling
类别
资金
- National Science Foundation of China [51201149, 51401089, 51202212]
- Key Basic Research Project of Hebei [14961013D]
- Natural Science Foundation of Jiangsu Province [BK20140552]
A new Na3PSe4 compound is synthesized and exhibits a large cell parameter of 7.3094 angstrom, thereby providing 3D channels that are optimal for Na ion diffusion. Na3PSe4 has the highest ionic conductivity reported for chalcogenides so far, with a value of over 1 mS cm(-1) at room temperature and a low activation energy of 0.21 eV. [GRAPHICS]
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