期刊
NANO LETTERS
卷 11, 期 11, 页码 4826-4830出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl202675f
关键词
Rate capability; MoS2; nanoplate; anode; lithium battery
类别
资金
- MKE (The Ministry of Knowledge Economy), Korea, under the ITRC (Information Technology Research Center)
- NIPA (National IT Industry Promotion Agency) [NIPA-2011-C1090-1100-0002]
- Ministry of Public Safety & Security (MPSS), Republic of Korea [C1090-1100-0002] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
MoS2 nanoplates, consisting of disordered graphene-like layers, with a thickness of similar to 30 nm were prepared by a simple, scalable, one-pot reaction using Mo(CO)(6) and S in an autoclave. The product has a interlayer distance of 0.69 nm, which is much larger than its bulk counterpart (0.62 nm). This expanded interlater distance and disordered graphene-like morphology led to an excellent rate capability even at a 50C (53.1 A/g) rate, showing a reversible capacity of 700 mAh/g. In addition, a full cell (LiCoO2/MoS2) test result also demonstrates excellent capacity retention up to 60 cycles.
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