Journal
SUSTAINABLE ENERGY & FUELS
Volume 1, Issue 5, Pages 1130-1136Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7se00134g
Keywords
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Funding
- National Natural Science Foundation of China [51622406, 21673298, 21473258]
- Innovation Mover Program of Central South University [2016CX020]
- Distinguished Young Scientists of Hunan Province [13JJ1004]
- Fundamental Research Funds for the Central Universities of Central South University [2016zzts022]
- Technology Department in Sichuan Province Supporting Plan [20147GZ0151, 2016JQ0022]
- Open Project Program of the State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University [SKLPEE-KF201703]
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Well-defined 3D nitrogen-doped porous carbon materials (NPCMs) have been obtained from CQDs and melamine by the self-assembly process, presenting a distinct textural structure with uniform N-doping distribution. The as-prepared NPCMs, as the anode materials for SIBs, display high specify capacity, long-term cyclability and good rate capacity. At 100 mA g(-1), the NPCM electrode can reach the first capacity of 225 mA h g(-1) (204.7 mA h cm(-2)) and maintain 241.2 mA h g(-1) (219.3 mA h cm(-2)) after 100 cycles. Even at the current density of 1000 mA g(-1), a reversible capacity of 130.2 mA h g(-1) (118.9 mA h cm(-2)) can be retained, which can be attributed to the improved extrinsic defects and electrical conductivity resulting from N-doping.
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