期刊
CHINESE PHYSICS B
卷 21, 期 2, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1674-1056/21/2/028201
关键词
spinel; lithium titanate; Li4Ti5O12; sodium-ion battery
资金
- National High Technology Research and Development Program of China [2009AA033101]
- National Basic Research Program of China [2010CB833102]
- National Natural Science Foundation of China [50972164]
- Chinese Academy of Sciences [KJCX2-YW-W26]
This is the first time that a novel anode material, spinel Li4Ti5O12 which is well known as a zero-strain anode material for lithium storage, has been introduced for sodium-ion battery. The Li4Ti5O12 shows an average Na storage voltage of about 1.0 V and a reversible capacity of about 145 mAh/g, thereby making it a promising anode for sodium-ion battery. Ex-situ X-ray diffraction (XRD) is used to investigate the structure change in the Na insertion/deinsertion process. Based on this, a possible Na storage mechanism is proposed.
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