期刊
MATERIALS LETTERS
卷 160, 期 -, 页码 392-396出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2015.08.024
关键词
Porous materials; N-GA; Structural; Electrochemical property; Lithium ion battery
资金
- National Natural Science Foundation of China [U1304203]
- Innovation Foundation of Zhengzhou University [14LF00606Z8]
- Science and Technology Innovation Commission of Shenzhen, China [JCYJ2013041152508657]
Three-dimensional nitrogen-doped graphene aerogel (N-GA) is facilely synthesized via a hydrothermal method combined with freeze drying. When it is used as an anode for lithium-ion battery, N-GA possesses larger surface area (S-BET=379.1 m(2) g(-1)), higher reversible capacity (535.3 mAh g(-1) in the 100th cycle) and more stable cycling performance compared with those of pristine GA, which could result from the structural defects caused by the nitrogen doping. (C) 2015 Elsevier B.V. All rights reserved.
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