Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 57, Issue 50, Pages 16436-16441Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201810434
Keywords
2D carbon hybrids; lithium ion batteries; metal-polymer coordination; microwave-assisted synthesis; nanosheets
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Funding
- National Key R&D Program of China [2017YFA0207201]
- National Natural Science Foundation of China [51872139, 21501091]
- NSF of Jiangsu Province [BK20170045]
- Six Talent Peak Project of Jiangsu Province [XCL-043]
- National Key Basic Research Program of China (973) [2015CB932200]
- Postgraduate Research & Practice Innovation Program of Jiangsu Province [KYCX17-0955]
- China Postdoctoral Science Foundation [2016M600404, 2017T100360]
- Jiangsu Postdoctoral Science Foundation [1701094C]
- Recruitment Program of Global Experts [1211019]
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Two-dimensional (2D) carbon hybrids have promise in various areas such as energy storage and catalysis. Simple methods for controllable fabrication of 2D graphitic carbon hybrids in a scalable manner remains challenging. Now, a microwave-assisted strategy for mass production of 2D carbon hybrids based on self-boosting catalytic carbonization of a metal-agarose framework is demonstrated. Hybrids including hollow Fe3C nanoparticles, Ni/Co nanoparticles, and hollow FeOx nanoparticles uniformly embedded in 2D graphitic carbon nanosheets (GCNs) are obtained, demonstrating the generality of the approach. Metal-polymer coordination and microwave-enabled fast catalytic decomposition of precursors play vital roles in facilitating the formation of the nanosheet structure. The resulting FeOx-GCNs hybrid exhibits superior lithium-storage performance (1118mAhg(-1) at 500mAg(-1) and 818mAhg(-1) at 2000mAg(-1) after 1200 cycles).
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