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Graphene‐Rich Wrapped Petal‐Like Rutile TiO 2 tuned by Carbon Dots for High‐Performance Sodium Storage
Author(s) -
Zhang Yan,
Foster Christopher W.,
Banks Craig E.,
Shao Lidong,
Hou Hongshuai,
Zou Guoqiang,
Chen Jun,
Huang Zhaodong,
Ji Xiaobo
Publication year - 2016
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201601621
Subject(s) - rutile , materials science , graphene , carbon fibers , nanotechnology , chemical engineering , composite material , composite number , engineering
Carbon dots inducing petal‐like rutile TiO 2 wrapped by ultrathin graphene‐rich layers are proposed to fabricate superior anodes for sodium‐ion batteries, featuring high‐rate capabilities and long‐term cyclelife, benefiting from promoted electron transport and a shortened Na + diffusion length. High capacities of 144.4 mA h g −1 (at 837.5 mA g −1 ) after 1100 cycles and 74.6 mA h g −1 (at 3350 mA g −1 ) after 4000 cycles are delivered outstandingly.
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