Journal
JOURNAL OF MATERIALS SCIENCE
Volume 52, Issue 7, Pages 3979-3991Publisher
SPRINGER
DOI: 10.1007/s10853-016-0660-7
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Funding
- Shanghai University of Engineering Science Innovation Fund for Graduate Students [16KY0404]
- National Natural Science Foundation of China [11602134]
- Shanghai Municipal Education Commission (High-energy Beam Intelligent Processing and Green Manufacturing)
- University of Minnesota Initiative for Renewable Energy and the Environment (IREE)
- NSF through the MRSEC program
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Thin-film electrodes were prepared using a one-step drop-casting strategy without polymer binder and carbon black. The electrodes exhibit a thin-layer structure, which is an intriguing architecture for lithium-ion battery applications. A high reversible capacity (335.3 and 311.6 mAh g(-1) for ZIF-8 and ZIF-67, respectively), good rate performance, and exceptionally cycling stability (about 95.5% initial capacity was retained after 100 cycles at a high current rate of 5 C) were observed in this study. Such an excellent electrochemical performance of the film electrodes is attributed to the thin-layer architecture, which provides easy access for Li+ ions to permeate the whole electrodes because of the shortened diffusion paths, and also to the unique property of the MOFs without the collapse of its structure.
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