Journal
CARBON
Volume 82, Issue -, Pages 116-123Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2014.10.041
Keywords
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Funding
- National Natural Science Foundation of China [21404014]
- Science and Technology Bureau of Changchun City project Foundation [2008280]
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Crumpled nitrogen-doped porous carbon sheets are successfully fabricated via chemical activation of polypyrrole-functionalized graphene sheets with KOH (APGs). The obtained APGs with nitrogen doping, high surface area, porous and crumpled structure exhibit exceptional electrochemical performances as the electrode material for LIBs, including a superhigh reversible specific capacity of 1516.2 mAh g(-1), excellent cycling stability over 10,000 cycles, and good rate capability (133.2 mAh g(-1) even at a very high current density of 40 A g(-1)). The chemical activation synthesis strategy might open new avenues for the design of high-performance carbon-based anode materials. (C) 2014 Elsevier Ltd. All rights reserved.
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