期刊
MATERIALS CHEMISTRY FRONTIERS
卷 2, 期 3, 页码 520-529出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7qm00500h
关键词
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资金
- National Natural Science Foundation of China [21473059]
- Large Instruments Open Foundation of East China Normal University
- Deanship of Scientific Research (DSR), King Abdulaziz University, Jeddah [KEP-1-130-39]
- DSR
Few-layer graphitic shell networks show great promise in energy storage applications such as electrochemical accommodation of alkaline ions. However, the networking and graphitization processes remain a challenge because of the complicated procedures and high temperature used for fabrication. In this work, we report a simple synthetic method by employing low-temperature solid-state pyrolysis of ZIF-67 crystals to weave graphitic shells consisting of 3-10 layers into capsules. Owing to their unique structure, the few-layer graphitic shell networks show excellent electrochemical performance for fast sodium ion storage.
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