期刊
NANO ENERGY
卷 2, 期 5, 页码 720-725出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nanoen.2012.12.007
关键词
Atomic layer deposition (ALD); Lithium-ion battery; Conversion and alloying reaction; SnO2
类别
资金
- National Research foundation (NRF, Singapore) [NRF-CRP4-2008-03]
- Clean Energy Research Project (CERP) [NRF-2009-EWT-CERP001-036]
We first report the exceptional cycleability of SnO2 anodes by atomic layer deposition (ALD) over directly on stainless steel substrates without any capacity fade for 500 cycles. Perfect choice of cycling potential (5-800 mV vs. Li) and synthesis condition yielded such performance with reversible capacity of 646 mAh g(-1) at current density of 5 mu A cm(-2). Further, SnO2 undergoes the conversion reaction along with alloying reaction enables higher capacity than alloying reaction, however, experiencing severe capacity fade during cycling. Obtained results on SnO2 anodes by ALD technique certainly influence the impact on the development of solidstate, thin film and 3D Li-ion batteries. (C) 2013 Elsevier Ltd. All rights reserved.
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